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<h1>Node.js v24.12.0 documentation</h1>
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Table of contents
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<div class="picker" tabindex="-1"><div class="toc"><ul id="toc-picker">
<li><span class="stability_2"><a href="#web-crypto-api">Web Crypto API</a></span>
<ul>
<li><span class="stability_1.1"><a href="#modern-algorithms-in-the-web-cryptography-api">Modern Algorithms in the Web Cryptography API</a></span></li>
<li><span class="stability_1.1"><a href="#secure-curves-in-the-web-cryptography-api">Secure Curves in the Web Cryptography API</a></span></li>
<li><a href="#examples">Examples</a>
<ul>
<li><a href="#generating-keys">Generating keys</a>
<ul>
<li><a href="#aes-keys">AES keys</a></li>
<li><a href="#ecdsa-key-pairs">ECDSA key pairs</a></li>
<li><a href="#ed25519x25519-key-pairs">Ed25519/X25519 key pairs</a></li>
<li><a href="#hmac-keys">HMAC keys</a></li>
<li><a href="#rsa-key-pairs">RSA key pairs</a></li>
</ul>
</li>
<li><a href="#encryption-and-decryption">Encryption and decryption</a></li>
<li><a href="#exporting-and-importing-keys">Exporting and importing keys</a></li>
<li><a href="#wrapping-and-unwrapping-keys">Wrapping and unwrapping keys</a></li>
<li><a href="#sign-and-verify">Sign and verify</a></li>
<li><a href="#deriving-bits-and-keys">Deriving bits and keys</a></li>
<li><a href="#digest">Digest</a></li>
<li><a href="#checking-for-runtime-algorithm-support">Checking for runtime algorithm support</a></li>
</ul>
</li>
<li><a href="#algorithm-matrix">Algorithm matrix</a>
<ul>
<li><a href="#key-management-apis">Key Management APIs</a></li>
<li><a href="#crypto-operation-apis">Crypto Operation APIs</a></li>
</ul>
</li>
<li><a href="#class-crypto">Class: <code>Crypto</code></a>
<ul>
<li><a href="#cryptosubtle"><code>crypto.subtle</code></a></li>
<li><a href="#cryptogetrandomvaluestypedarray"><code>crypto.getRandomValues(typedArray)</code></a></li>
<li><a href="#cryptorandomuuid"><code>crypto.randomUUID()</code></a></li>
</ul>
</li>
<li><a href="#class-cryptokey">Class: <code>CryptoKey</code></a>
<ul>
<li><a href="#cryptokeyalgorithm"><code>cryptoKey.algorithm</code></a></li>
<li><a href="#cryptokeyextractable"><code>cryptoKey.extractable</code></a></li>
<li><a href="#cryptokeytype"><code>cryptoKey.type</code></a></li>
<li><a href="#cryptokeyusages"><code>cryptoKey.usages</code></a></li>
</ul>
</li>
<li><a href="#class-cryptokeypair">Class: <code>CryptoKeyPair</code></a>
<ul>
<li><a href="#cryptokeypairprivatekey"><code>cryptoKeyPair.privateKey</code></a></li>
<li><a href="#cryptokeypairpublickey"><code>cryptoKeyPair.publicKey</code></a></li>
</ul>
</li>
<li><a href="#class-subtlecrypto">Class: <code>SubtleCrypto</code></a>
<ul>
<li><span class="stability_1.1"><a href="#static-method-subtlecryptosupportsoperation-algorithm-lengthoradditionalalgorithm">Static method: <code>SubtleCrypto.supports(operation, algorithm[, lengthOrAdditionalAlgorithm])</code></a></span></li>
<li><span class="stability_1.1"><a href="#subtledecapsulatebitsdecapsulationalgorithm-decapsulationkey-ciphertext"><code>subtle.decapsulateBits(decapsulationAlgorithm, decapsulationKey, ciphertext)</code></a></span></li>
<li><span class="stability_1.1"><a href="#subtledecapsulatekeydecapsulationalgorithm-decapsulationkey-ciphertext-sharedkeyalgorithm-extractable-usages"><code>subtle.decapsulateKey(decapsulationAlgorithm, decapsulationKey, ciphertext, sharedKeyAlgorithm, extractable, usages)</code></a></span></li>
<li><a href="#subtledecryptalgorithm-key-data"><code>subtle.decrypt(algorithm, key, data)</code></a></li>
<li><a href="#subtlederivebitsalgorithm-basekey-length"><code>subtle.deriveBits(algorithm, baseKey[, length])</code></a></li>
<li><a href="#subtlederivekeyalgorithm-basekey-derivedkeyalgorithm-extractable-keyusages"><code>subtle.deriveKey(algorithm, baseKey, derivedKeyAlgorithm, extractable, keyUsages)</code></a></li>
<li><a href="#subtledigestalgorithm-data"><code>subtle.digest(algorithm, data)</code></a></li>
<li><span class="stability_1.1"><a href="#subtleencapsulatebitsencapsulationalgorithm-encapsulationkey"><code>subtle.encapsulateBits(encapsulationAlgorithm, encapsulationKey)</code></a></span></li>
<li><span class="stability_1.1"><a href="#subtleencapsulatekeyencapsulationalgorithm-encapsulationkey-sharedkeyalgorithm-extractable-usages"><code>subtle.encapsulateKey(encapsulationAlgorithm, encapsulationKey, sharedKeyAlgorithm, extractable, usages)</code></a></span></li>
<li><a href="#subtleencryptalgorithm-key-data"><code>subtle.encrypt(algorithm, key, data)</code></a></li>
<li><a href="#subtleexportkeyformat-key"><code>subtle.exportKey(format, key)</code></a></li>
<li><span class="stability_1.1"><a href="#subtlegetpublickeykey-keyusages"><code>subtle.getPublicKey(key, keyUsages)</code></a></span></li>
<li><a href="#subtlegeneratekeyalgorithm-extractable-keyusages"><code>subtle.generateKey(algorithm, extractable, keyUsages)</code></a></li>
<li><a href="#subtleimportkeyformat-keydata-algorithm-extractable-keyusages"><code>subtle.importKey(format, keyData, algorithm, extractable, keyUsages)</code></a></li>
<li><a href="#subtlesignalgorithm-key-data"><code>subtle.sign(algorithm, key, data)</code></a></li>
<li><a href="#subtleunwrapkeyformat-wrappedkey-unwrappingkey-unwrapalgo-unwrappedkeyalgo-extractable-keyusages"><code>subtle.unwrapKey(format, wrappedKey, unwrappingKey, unwrapAlgo, unwrappedKeyAlgo, extractable, keyUsages)</code></a></li>
<li><a href="#subtleverifyalgorithm-key-signature-data"><code>subtle.verify(algorithm, key, signature, data)</code></a></li>
<li><a href="#subtlewrapkeyformat-key-wrappingkey-wrapalgo"><code>subtle.wrapKey(format, key, wrappingKey, wrapAlgo)</code></a></li>
</ul>
</li>
<li><a href="#algorithm-parameters">Algorithm parameters</a>
<ul>
<li><a href="#class-algorithm">Class: <code>Algorithm</code></a>
<ul>
<li><a href="#algorithmname"><code>Algorithm.name</code></a></li>
</ul>
</li>
<li><a href="#class-aeadparams">Class: <code>AeadParams</code></a>
<ul>
<li><a href="#aeadparamsadditionaldata"><code>aeadParams.additionalData</code></a></li>
<li><a href="#aeadparamsiv"><code>aeadParams.iv</code></a></li>
<li><a href="#aeadparamsname"><code>aeadParams.name</code></a></li>
<li><a href="#aeadparamstaglength"><code>aeadParams.tagLength</code></a></li>
</ul>
</li>
<li><a href="#class-aesderivedkeyparams">Class: <code>AesDerivedKeyParams</code></a>
<ul>
<li><a href="#aesderivedkeyparamsname"><code>aesDerivedKeyParams.name</code></a></li>
<li><a href="#aesderivedkeyparamslength"><code>aesDerivedKeyParams.length</code></a></li>
</ul>
</li>
<li><a href="#class-aescbcparams">Class: <code>AesCbcParams</code></a>
<ul>
<li><a href="#aescbcparamsiv"><code>aesCbcParams.iv</code></a></li>
<li><a href="#aescbcparamsname"><code>aesCbcParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-aesctrparams">Class: <code>AesCtrParams</code></a>
<ul>
<li><a href="#aesctrparamscounter"><code>aesCtrParams.counter</code></a></li>
<li><a href="#aesctrparamslength"><code>aesCtrParams.length</code></a></li>
<li><a href="#aesctrparamsname"><code>aesCtrParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-aeskeyalgorithm">Class: <code>AesKeyAlgorithm</code></a>
<ul>
<li><a href="#aeskeyalgorithmlength"><code>aesKeyAlgorithm.length</code></a></li>
<li><a href="#aeskeyalgorithmname"><code>aesKeyAlgorithm.name</code></a></li>
</ul>
</li>
<li><a href="#class-aeskeygenparams">Class: <code>AesKeyGenParams</code></a>
<ul>
<li><a href="#aeskeygenparamslength"><code>aesKeyGenParams.length</code></a></li>
<li><a href="#aeskeygenparamsname"><code>aesKeyGenParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-argon2params">Class: <code>Argon2Params</code></a>
<ul>
<li><a href="#argon2paramsassociateddata"><code>argon2Params.associatedData</code></a></li>
<li><a href="#argon2paramsmemory"><code>argon2Params.memory</code></a></li>
<li><a href="#argon2paramsname"><code>argon2Params.name</code></a></li>
<li><a href="#argon2paramsnonce"><code>argon2Params.nonce</code></a></li>
<li><a href="#argon2paramsparallelism"><code>argon2Params.parallelism</code></a></li>
<li><a href="#argon2paramspasses"><code>argon2Params.passes</code></a></li>
<li><a href="#argon2paramssecretvalue"><code>argon2Params.secretValue</code></a></li>
<li><a href="#argon2paramsversion"><code>argon2Params.version</code></a></li>
</ul>
</li>
<li><a href="#class-contextparams">Class: <code>ContextParams</code></a>
<ul>
<li><a href="#contextparamsname"><code>contextParams.name</code></a></li>
<li><a href="#contextparamscontext"><code>contextParams.context</code></a></li>
</ul>
</li>
<li><a href="#class-cshakeparams">Class: <code>CShakeParams</code></a>
<ul>
<li><a href="#cshakeparamscustomization"><code>cShakeParams.customization</code></a></li>
<li><a href="#cshakeparamsfunctionname"><code>cShakeParams.functionName</code></a></li>
<li><a href="#cshakeparamslength"><code>cShakeParams.length</code></a></li>
<li><a href="#cshakeparamsname"><code>cShakeParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-ecdhkeyderiveparams">Class: <code>EcdhKeyDeriveParams</code></a>
<ul>
<li><a href="#ecdhkeyderiveparamsname"><code>ecdhKeyDeriveParams.name</code></a></li>
<li><a href="#ecdhkeyderiveparamspublic"><code>ecdhKeyDeriveParams.public</code></a></li>
</ul>
</li>
<li><a href="#class-ecdsaparams">Class: <code>EcdsaParams</code></a>
<ul>
<li><a href="#ecdsaparamshash"><code>ecdsaParams.hash</code></a></li>
<li><a href="#ecdsaparamsname"><code>ecdsaParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-eckeyalgorithm">Class: <code>EcKeyAlgorithm</code></a>
<ul>
<li><a href="#eckeyalgorithmname"><code>ecKeyAlgorithm.name</code></a></li>
<li><a href="#eckeyalgorithmnamedcurve"><code>ecKeyAlgorithm.namedCurve</code></a></li>
</ul>
</li>
<li><a href="#class-eckeygenparams">Class: <code>EcKeyGenParams</code></a>
<ul>
<li><a href="#eckeygenparamsname"><code>ecKeyGenParams.name</code></a></li>
<li><a href="#eckeygenparamsnamedcurve"><code>ecKeyGenParams.namedCurve</code></a></li>
</ul>
</li>
<li><a href="#class-eckeyimportparams">Class: <code>EcKeyImportParams</code></a>
<ul>
<li><a href="#eckeyimportparamsname"><code>ecKeyImportParams.name</code></a></li>
<li><a href="#eckeyimportparamsnamedcurve"><code>ecKeyImportParams.namedCurve</code></a></li>
</ul>
</li>
<li><a href="#class-encapsulatedbits">Class: <code>EncapsulatedBits</code></a>
<ul>
<li><a href="#encapsulatedbitsciphertext"><code>encapsulatedBits.ciphertext</code></a></li>
<li><a href="#encapsulatedbitssharedkey"><code>encapsulatedBits.sharedKey</code></a></li>
</ul>
</li>
<li><a href="#class-encapsulatedkey">Class: <code>EncapsulatedKey</code></a>
<ul>
<li><a href="#encapsulatedkeyciphertext"><code>encapsulatedKey.ciphertext</code></a></li>
<li><a href="#encapsulatedkeysharedkey"><code>encapsulatedKey.sharedKey</code></a></li>
</ul>
</li>
<li><a href="#class-hkdfparams">Class: <code>HkdfParams</code></a>
<ul>
<li><a href="#hkdfparamshash"><code>hkdfParams.hash</code></a></li>
<li><a href="#hkdfparamsinfo"><code>hkdfParams.info</code></a></li>
<li><a href="#hkdfparamsname"><code>hkdfParams.name</code></a></li>
<li><a href="#hkdfparamssalt"><code>hkdfParams.salt</code></a></li>
</ul>
</li>
<li><a href="#class-hmacimportparams">Class: <code>HmacImportParams</code></a>
<ul>
<li><a href="#hmacimportparamshash"><code>hmacImportParams.hash</code></a></li>
<li><a href="#hmacimportparamslength"><code>hmacImportParams.length</code></a></li>
<li><a href="#hmacimportparamsname"><code>hmacImportParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-hmackeyalgorithm">Class: <code>HmacKeyAlgorithm</code></a>
<ul>
<li><a href="#hmackeyalgorithmhash"><code>hmacKeyAlgorithm.hash</code></a></li>
<li><a href="#hmackeyalgorithmlength"><code>hmacKeyAlgorithm.length</code></a></li>
<li><a href="#hmackeyalgorithmname"><code>hmacKeyAlgorithm.name</code></a></li>
</ul>
</li>
<li><a href="#class-hmackeygenparams">Class: <code>HmacKeyGenParams</code></a>
<ul>
<li><a href="#hmackeygenparamshash"><code>hmacKeyGenParams.hash</code></a></li>
<li><a href="#hmackeygenparamslength"><code>hmacKeyGenParams.length</code></a></li>
<li><a href="#hmackeygenparamsname"><code>hmacKeyGenParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-keyalgorithm">Class: <code>KeyAlgorithm</code></a>
<ul>
<li><a href="#keyalgorithmname"><code>keyAlgorithm.name</code></a></li>
</ul>
</li>
<li><a href="#class-kmacimportparams">Class: <code>KmacImportParams</code></a>
<ul>
<li><a href="#kmacimportparamslength"><code>kmacImportParams.length</code></a></li>
<li><a href="#kmacimportparamsname"><code>kmacImportParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-kmackeyalgorithm">Class: <code>KmacKeyAlgorithm</code></a>
<ul>
<li><a href="#kmackeyalgorithmlength"><code>kmacKeyAlgorithm.length</code></a></li>
<li><a href="#kmackeyalgorithmname"><code>kmacKeyAlgorithm.name</code></a></li>
</ul>
</li>
<li><a href="#class-kmackeygenparams">Class: <code>KmacKeyGenParams</code></a>
<ul>
<li><a href="#kmackeygenparamslength"><code>kmacKeyGenParams.length</code></a></li>
<li><a href="#kmackeygenparamsname"><code>kmacKeyGenParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-kmacparams">Class: <code>KmacParams</code></a>
<ul>
<li><a href="#kmacparamsalgorithm"><code>kmacParams.algorithm</code></a></li>
<li><a href="#kmacparamscustomization"><code>kmacParams.customization</code></a></li>
<li><a href="#kmacparamslength"><code>kmacParams.length</code></a></li>
</ul>
</li>
<li><a href="#class-pbkdf2params">Class: <code>Pbkdf2Params</code></a>
<ul>
<li><a href="#pbkdf2paramshash"><code>pbkdf2Params.hash</code></a></li>
<li><a href="#pbkdf2paramsiterations"><code>pbkdf2Params.iterations</code></a></li>
<li><a href="#pbkdf2paramsname"><code>pbkdf2Params.name</code></a></li>
<li><a href="#pbkdf2paramssalt"><code>pbkdf2Params.salt</code></a></li>
</ul>
</li>
<li><a href="#class-rsahashedimportparams">Class: <code>RsaHashedImportParams</code></a>
<ul>
<li><a href="#rsahashedimportparamshash"><code>rsaHashedImportParams.hash</code></a></li>
<li><a href="#rsahashedimportparamsname"><code>rsaHashedImportParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-rsahashedkeyalgorithm">Class: <code>RsaHashedKeyAlgorithm</code></a>
<ul>
<li><a href="#rsahashedkeyalgorithmhash"><code>rsaHashedKeyAlgorithm.hash</code></a></li>
<li><a href="#rsahashedkeyalgorithmmoduluslength"><code>rsaHashedKeyAlgorithm.modulusLength</code></a></li>
<li><a href="#rsahashedkeyalgorithmname"><code>rsaHashedKeyAlgorithm.name</code></a></li>
<li><a href="#rsahashedkeyalgorithmpublicexponent"><code>rsaHashedKeyAlgorithm.publicExponent</code></a></li>
</ul>
</li>
<li><a href="#class-rsahashedkeygenparams">Class: <code>RsaHashedKeyGenParams</code></a>
<ul>
<li><a href="#rsahashedkeygenparamshash"><code>rsaHashedKeyGenParams.hash</code></a></li>
<li><a href="#rsahashedkeygenparamsmoduluslength"><code>rsaHashedKeyGenParams.modulusLength</code></a></li>
<li><a href="#rsahashedkeygenparamsname"><code>rsaHashedKeyGenParams.name</code></a></li>
<li><a href="#rsahashedkeygenparamspublicexponent"><code>rsaHashedKeyGenParams.publicExponent</code></a></li>
</ul>
</li>
<li><a href="#class-rsaoaepparams">Class: <code>RsaOaepParams</code></a>
<ul>
<li><a href="#rsaoaepparamslabel"><code>rsaOaepParams.label</code></a></li>
<li><a href="#rsaoaepparamsname"><code>rsaOaepParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-rsapssparams">Class: <code>RsaPssParams</code></a>
<ul>
<li><a href="#rsapssparamsname"><code>rsaPssParams.name</code></a></li>
<li><a href="#rsapssparamssaltlength"><code>rsaPssParams.saltLength</code></a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul></div></div>
</li>
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</header>
<details role="navigation" id="toc" open><summary>Table of contents</summary><ul>
<li><span class="stability_2"><a href="#web-crypto-api">Web Crypto API</a></span>
<ul>
<li><span class="stability_1.1"><a href="#modern-algorithms-in-the-web-cryptography-api">Modern Algorithms in the Web Cryptography API</a></span></li>
<li><span class="stability_1.1"><a href="#secure-curves-in-the-web-cryptography-api">Secure Curves in the Web Cryptography API</a></span></li>
<li><a href="#examples">Examples</a>
<ul>
<li><a href="#generating-keys">Generating keys</a>
<ul>
<li><a href="#aes-keys">AES keys</a></li>
<li><a href="#ecdsa-key-pairs">ECDSA key pairs</a></li>
<li><a href="#ed25519x25519-key-pairs">Ed25519/X25519 key pairs</a></li>
<li><a href="#hmac-keys">HMAC keys</a></li>
<li><a href="#rsa-key-pairs">RSA key pairs</a></li>
</ul>
</li>
<li><a href="#encryption-and-decryption">Encryption and decryption</a></li>
<li><a href="#exporting-and-importing-keys">Exporting and importing keys</a></li>
<li><a href="#wrapping-and-unwrapping-keys">Wrapping and unwrapping keys</a></li>
<li><a href="#sign-and-verify">Sign and verify</a></li>
<li><a href="#deriving-bits-and-keys">Deriving bits and keys</a></li>
<li><a href="#digest">Digest</a></li>
<li><a href="#checking-for-runtime-algorithm-support">Checking for runtime algorithm support</a></li>
</ul>
</li>
<li><a href="#algorithm-matrix">Algorithm matrix</a>
<ul>
<li><a href="#key-management-apis">Key Management APIs</a></li>
<li><a href="#crypto-operation-apis">Crypto Operation APIs</a></li>
</ul>
</li>
<li><a href="#class-crypto">Class: <code>Crypto</code></a>
<ul>
<li><a href="#cryptosubtle"><code>crypto.subtle</code></a></li>
<li><a href="#cryptogetrandomvaluestypedarray"><code>crypto.getRandomValues(typedArray)</code></a></li>
<li><a href="#cryptorandomuuid"><code>crypto.randomUUID()</code></a></li>
</ul>
</li>
<li><a href="#class-cryptokey">Class: <code>CryptoKey</code></a>
<ul>
<li><a href="#cryptokeyalgorithm"><code>cryptoKey.algorithm</code></a></li>
<li><a href="#cryptokeyextractable"><code>cryptoKey.extractable</code></a></li>
<li><a href="#cryptokeytype"><code>cryptoKey.type</code></a></li>
<li><a href="#cryptokeyusages"><code>cryptoKey.usages</code></a></li>
</ul>
</li>
<li><a href="#class-cryptokeypair">Class: <code>CryptoKeyPair</code></a>
<ul>
<li><a href="#cryptokeypairprivatekey"><code>cryptoKeyPair.privateKey</code></a></li>
<li><a href="#cryptokeypairpublickey"><code>cryptoKeyPair.publicKey</code></a></li>
</ul>
</li>
<li><a href="#class-subtlecrypto">Class: <code>SubtleCrypto</code></a>
<ul>
<li><span class="stability_1.1"><a href="#static-method-subtlecryptosupportsoperation-algorithm-lengthoradditionalalgorithm">Static method: <code>SubtleCrypto.supports(operation, algorithm[, lengthOrAdditionalAlgorithm])</code></a></span></li>
<li><span class="stability_1.1"><a href="#subtledecapsulatebitsdecapsulationalgorithm-decapsulationkey-ciphertext"><code>subtle.decapsulateBits(decapsulationAlgorithm, decapsulationKey, ciphertext)</code></a></span></li>
<li><span class="stability_1.1"><a href="#subtledecapsulatekeydecapsulationalgorithm-decapsulationkey-ciphertext-sharedkeyalgorithm-extractable-usages"><code>subtle.decapsulateKey(decapsulationAlgorithm, decapsulationKey, ciphertext, sharedKeyAlgorithm, extractable, usages)</code></a></span></li>
<li><a href="#subtledecryptalgorithm-key-data"><code>subtle.decrypt(algorithm, key, data)</code></a></li>
<li><a href="#subtlederivebitsalgorithm-basekey-length"><code>subtle.deriveBits(algorithm, baseKey[, length])</code></a></li>
<li><a href="#subtlederivekeyalgorithm-basekey-derivedkeyalgorithm-extractable-keyusages"><code>subtle.deriveKey(algorithm, baseKey, derivedKeyAlgorithm, extractable, keyUsages)</code></a></li>
<li><a href="#subtledigestalgorithm-data"><code>subtle.digest(algorithm, data)</code></a></li>
<li><span class="stability_1.1"><a href="#subtleencapsulatebitsencapsulationalgorithm-encapsulationkey"><code>subtle.encapsulateBits(encapsulationAlgorithm, encapsulationKey)</code></a></span></li>
<li><span class="stability_1.1"><a href="#subtleencapsulatekeyencapsulationalgorithm-encapsulationkey-sharedkeyalgorithm-extractable-usages"><code>subtle.encapsulateKey(encapsulationAlgorithm, encapsulationKey, sharedKeyAlgorithm, extractable, usages)</code></a></span></li>
<li><a href="#subtleencryptalgorithm-key-data"><code>subtle.encrypt(algorithm, key, data)</code></a></li>
<li><a href="#subtleexportkeyformat-key"><code>subtle.exportKey(format, key)</code></a></li>
<li><span class="stability_1.1"><a href="#subtlegetpublickeykey-keyusages"><code>subtle.getPublicKey(key, keyUsages)</code></a></span></li>
<li><a href="#subtlegeneratekeyalgorithm-extractable-keyusages"><code>subtle.generateKey(algorithm, extractable, keyUsages)</code></a></li>
<li><a href="#subtleimportkeyformat-keydata-algorithm-extractable-keyusages"><code>subtle.importKey(format, keyData, algorithm, extractable, keyUsages)</code></a></li>
<li><a href="#subtlesignalgorithm-key-data"><code>subtle.sign(algorithm, key, data)</code></a></li>
<li><a href="#subtleunwrapkeyformat-wrappedkey-unwrappingkey-unwrapalgo-unwrappedkeyalgo-extractable-keyusages"><code>subtle.unwrapKey(format, wrappedKey, unwrappingKey, unwrapAlgo, unwrappedKeyAlgo, extractable, keyUsages)</code></a></li>
<li><a href="#subtleverifyalgorithm-key-signature-data"><code>subtle.verify(algorithm, key, signature, data)</code></a></li>
<li><a href="#subtlewrapkeyformat-key-wrappingkey-wrapalgo"><code>subtle.wrapKey(format, key, wrappingKey, wrapAlgo)</code></a></li>
</ul>
</li>
<li><a href="#algorithm-parameters">Algorithm parameters</a>
<ul>
<li><a href="#class-algorithm">Class: <code>Algorithm</code></a>
<ul>
<li><a href="#algorithmname"><code>Algorithm.name</code></a></li>
</ul>
</li>
<li><a href="#class-aeadparams">Class: <code>AeadParams</code></a>
<ul>
<li><a href="#aeadparamsadditionaldata"><code>aeadParams.additionalData</code></a></li>
<li><a href="#aeadparamsiv"><code>aeadParams.iv</code></a></li>
<li><a href="#aeadparamsname"><code>aeadParams.name</code></a></li>
<li><a href="#aeadparamstaglength"><code>aeadParams.tagLength</code></a></li>
</ul>
</li>
<li><a href="#class-aesderivedkeyparams">Class: <code>AesDerivedKeyParams</code></a>
<ul>
<li><a href="#aesderivedkeyparamsname"><code>aesDerivedKeyParams.name</code></a></li>
<li><a href="#aesderivedkeyparamslength"><code>aesDerivedKeyParams.length</code></a></li>
</ul>
</li>
<li><a href="#class-aescbcparams">Class: <code>AesCbcParams</code></a>
<ul>
<li><a href="#aescbcparamsiv"><code>aesCbcParams.iv</code></a></li>
<li><a href="#aescbcparamsname"><code>aesCbcParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-aesctrparams">Class: <code>AesCtrParams</code></a>
<ul>
<li><a href="#aesctrparamscounter"><code>aesCtrParams.counter</code></a></li>
<li><a href="#aesctrparamslength"><code>aesCtrParams.length</code></a></li>
<li><a href="#aesctrparamsname"><code>aesCtrParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-aeskeyalgorithm">Class: <code>AesKeyAlgorithm</code></a>
<ul>
<li><a href="#aeskeyalgorithmlength"><code>aesKeyAlgorithm.length</code></a></li>
<li><a href="#aeskeyalgorithmname"><code>aesKeyAlgorithm.name</code></a></li>
</ul>
</li>
<li><a href="#class-aeskeygenparams">Class: <code>AesKeyGenParams</code></a>
<ul>
<li><a href="#aeskeygenparamslength"><code>aesKeyGenParams.length</code></a></li>
<li><a href="#aeskeygenparamsname"><code>aesKeyGenParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-argon2params">Class: <code>Argon2Params</code></a>
<ul>
<li><a href="#argon2paramsassociateddata"><code>argon2Params.associatedData</code></a></li>
<li><a href="#argon2paramsmemory"><code>argon2Params.memory</code></a></li>
<li><a href="#argon2paramsname"><code>argon2Params.name</code></a></li>
<li><a href="#argon2paramsnonce"><code>argon2Params.nonce</code></a></li>
<li><a href="#argon2paramsparallelism"><code>argon2Params.parallelism</code></a></li>
<li><a href="#argon2paramspasses"><code>argon2Params.passes</code></a></li>
<li><a href="#argon2paramssecretvalue"><code>argon2Params.secretValue</code></a></li>
<li><a href="#argon2paramsversion"><code>argon2Params.version</code></a></li>
</ul>
</li>
<li><a href="#class-contextparams">Class: <code>ContextParams</code></a>
<ul>
<li><a href="#contextparamsname"><code>contextParams.name</code></a></li>
<li><a href="#contextparamscontext"><code>contextParams.context</code></a></li>
</ul>
</li>
<li><a href="#class-cshakeparams">Class: <code>CShakeParams</code></a>
<ul>
<li><a href="#cshakeparamscustomization"><code>cShakeParams.customization</code></a></li>
<li><a href="#cshakeparamsfunctionname"><code>cShakeParams.functionName</code></a></li>
<li><a href="#cshakeparamslength"><code>cShakeParams.length</code></a></li>
<li><a href="#cshakeparamsname"><code>cShakeParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-ecdhkeyderiveparams">Class: <code>EcdhKeyDeriveParams</code></a>
<ul>
<li><a href="#ecdhkeyderiveparamsname"><code>ecdhKeyDeriveParams.name</code></a></li>
<li><a href="#ecdhkeyderiveparamspublic"><code>ecdhKeyDeriveParams.public</code></a></li>
</ul>
</li>
<li><a href="#class-ecdsaparams">Class: <code>EcdsaParams</code></a>
<ul>
<li><a href="#ecdsaparamshash"><code>ecdsaParams.hash</code></a></li>
<li><a href="#ecdsaparamsname"><code>ecdsaParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-eckeyalgorithm">Class: <code>EcKeyAlgorithm</code></a>
<ul>
<li><a href="#eckeyalgorithmname"><code>ecKeyAlgorithm.name</code></a></li>
<li><a href="#eckeyalgorithmnamedcurve"><code>ecKeyAlgorithm.namedCurve</code></a></li>
</ul>
</li>
<li><a href="#class-eckeygenparams">Class: <code>EcKeyGenParams</code></a>
<ul>
<li><a href="#eckeygenparamsname"><code>ecKeyGenParams.name</code></a></li>
<li><a href="#eckeygenparamsnamedcurve"><code>ecKeyGenParams.namedCurve</code></a></li>
</ul>
</li>
<li><a href="#class-eckeyimportparams">Class: <code>EcKeyImportParams</code></a>
<ul>
<li><a href="#eckeyimportparamsname"><code>ecKeyImportParams.name</code></a></li>
<li><a href="#eckeyimportparamsnamedcurve"><code>ecKeyImportParams.namedCurve</code></a></li>
</ul>
</li>
<li><a href="#class-encapsulatedbits">Class: <code>EncapsulatedBits</code></a>
<ul>
<li><a href="#encapsulatedbitsciphertext"><code>encapsulatedBits.ciphertext</code></a></li>
<li><a href="#encapsulatedbitssharedkey"><code>encapsulatedBits.sharedKey</code></a></li>
</ul>
</li>
<li><a href="#class-encapsulatedkey">Class: <code>EncapsulatedKey</code></a>
<ul>
<li><a href="#encapsulatedkeyciphertext"><code>encapsulatedKey.ciphertext</code></a></li>
<li><a href="#encapsulatedkeysharedkey"><code>encapsulatedKey.sharedKey</code></a></li>
</ul>
</li>
<li><a href="#class-hkdfparams">Class: <code>HkdfParams</code></a>
<ul>
<li><a href="#hkdfparamshash"><code>hkdfParams.hash</code></a></li>
<li><a href="#hkdfparamsinfo"><code>hkdfParams.info</code></a></li>
<li><a href="#hkdfparamsname"><code>hkdfParams.name</code></a></li>
<li><a href="#hkdfparamssalt"><code>hkdfParams.salt</code></a></li>
</ul>
</li>
<li><a href="#class-hmacimportparams">Class: <code>HmacImportParams</code></a>
<ul>
<li><a href="#hmacimportparamshash"><code>hmacImportParams.hash</code></a></li>
<li><a href="#hmacimportparamslength"><code>hmacImportParams.length</code></a></li>
<li><a href="#hmacimportparamsname"><code>hmacImportParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-hmackeyalgorithm">Class: <code>HmacKeyAlgorithm</code></a>
<ul>
<li><a href="#hmackeyalgorithmhash"><code>hmacKeyAlgorithm.hash</code></a></li>
<li><a href="#hmackeyalgorithmlength"><code>hmacKeyAlgorithm.length</code></a></li>
<li><a href="#hmackeyalgorithmname"><code>hmacKeyAlgorithm.name</code></a></li>
</ul>
</li>
<li><a href="#class-hmackeygenparams">Class: <code>HmacKeyGenParams</code></a>
<ul>
<li><a href="#hmackeygenparamshash"><code>hmacKeyGenParams.hash</code></a></li>
<li><a href="#hmackeygenparamslength"><code>hmacKeyGenParams.length</code></a></li>
<li><a href="#hmackeygenparamsname"><code>hmacKeyGenParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-keyalgorithm">Class: <code>KeyAlgorithm</code></a>
<ul>
<li><a href="#keyalgorithmname"><code>keyAlgorithm.name</code></a></li>
</ul>
</li>
<li><a href="#class-kmacimportparams">Class: <code>KmacImportParams</code></a>
<ul>
<li><a href="#kmacimportparamslength"><code>kmacImportParams.length</code></a></li>
<li><a href="#kmacimportparamsname"><code>kmacImportParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-kmackeyalgorithm">Class: <code>KmacKeyAlgorithm</code></a>
<ul>
<li><a href="#kmackeyalgorithmlength"><code>kmacKeyAlgorithm.length</code></a></li>
<li><a href="#kmackeyalgorithmname"><code>kmacKeyAlgorithm.name</code></a></li>
</ul>
</li>
<li><a href="#class-kmackeygenparams">Class: <code>KmacKeyGenParams</code></a>
<ul>
<li><a href="#kmackeygenparamslength"><code>kmacKeyGenParams.length</code></a></li>
<li><a href="#kmackeygenparamsname"><code>kmacKeyGenParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-kmacparams">Class: <code>KmacParams</code></a>
<ul>
<li><a href="#kmacparamsalgorithm"><code>kmacParams.algorithm</code></a></li>
<li><a href="#kmacparamscustomization"><code>kmacParams.customization</code></a></li>
<li><a href="#kmacparamslength"><code>kmacParams.length</code></a></li>
</ul>
</li>
<li><a href="#class-pbkdf2params">Class: <code>Pbkdf2Params</code></a>
<ul>
<li><a href="#pbkdf2paramshash"><code>pbkdf2Params.hash</code></a></li>
<li><a href="#pbkdf2paramsiterations"><code>pbkdf2Params.iterations</code></a></li>
<li><a href="#pbkdf2paramsname"><code>pbkdf2Params.name</code></a></li>
<li><a href="#pbkdf2paramssalt"><code>pbkdf2Params.salt</code></a></li>
</ul>
</li>
<li><a href="#class-rsahashedimportparams">Class: <code>RsaHashedImportParams</code></a>
<ul>
<li><a href="#rsahashedimportparamshash"><code>rsaHashedImportParams.hash</code></a></li>
<li><a href="#rsahashedimportparamsname"><code>rsaHashedImportParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-rsahashedkeyalgorithm">Class: <code>RsaHashedKeyAlgorithm</code></a>
<ul>
<li><a href="#rsahashedkeyalgorithmhash"><code>rsaHashedKeyAlgorithm.hash</code></a></li>
<li><a href="#rsahashedkeyalgorithmmoduluslength"><code>rsaHashedKeyAlgorithm.modulusLength</code></a></li>
<li><a href="#rsahashedkeyalgorithmname"><code>rsaHashedKeyAlgorithm.name</code></a></li>
<li><a href="#rsahashedkeyalgorithmpublicexponent"><code>rsaHashedKeyAlgorithm.publicExponent</code></a></li>
</ul>
</li>
<li><a href="#class-rsahashedkeygenparams">Class: <code>RsaHashedKeyGenParams</code></a>
<ul>
<li><a href="#rsahashedkeygenparamshash"><code>rsaHashedKeyGenParams.hash</code></a></li>
<li><a href="#rsahashedkeygenparamsmoduluslength"><code>rsaHashedKeyGenParams.modulusLength</code></a></li>
<li><a href="#rsahashedkeygenparamsname"><code>rsaHashedKeyGenParams.name</code></a></li>
<li><a href="#rsahashedkeygenparamspublicexponent"><code>rsaHashedKeyGenParams.publicExponent</code></a></li>
</ul>
</li>
<li><a href="#class-rsaoaepparams">Class: <code>RsaOaepParams</code></a>
<ul>
<li><a href="#rsaoaepparamslabel"><code>rsaOaepParams.label</code></a></li>
<li><a href="#rsaoaepparamsname"><code>rsaOaepParams.name</code></a></li>
</ul>
</li>
<li><a href="#class-rsapssparams">Class: <code>RsaPssParams</code></a>
<ul>
<li><a href="#rsapssparamsname"><code>rsaPssParams.name</code></a></li>
<li><a href="#rsapssparamssaltlength"><code>rsaPssParams.saltLength</code></a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul></details>
<div role="main" id="apicontent">
<h2>Web Crypto API<span><a class="mark" href="#web-crypto-api" id="web-crypto-api">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_web_crypto_api"></a></h2>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.8.0</td>
<td><p>KMAC algorithms are now supported.</p></td></tr>
<tr><td>v24.8.0</td>
<td><p>Argon2 algorithms are now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>AES-OCB algorithm is now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ML-KEM algorithms are now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ChaCha20-Poly1305 algorithm is now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>SHA-3 algorithms are now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>SHAKE algorithms are now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ML-DSA algorithms are now supported.</p></td></tr>
<tr><td>v23.5.0, v22.13.0</td>
<td><p>Algorithms <code>Ed25519</code> and <code>X25519</code> are now stable.</p></td></tr>
<tr><td>v19.0.0</td>
<td><p>No longer experimental except for the <code>Ed25519</code>, <code>Ed448</code>, <code>X25519</code>, and <code>X448</code> algorithms.</p></td></tr>
<tr><td>v20.0.0, v18.17.0</td>
<td><p>Arguments are now coerced and validated as per their WebIDL definitions like in other Web Crypto API implementations.</p></td></tr>
<tr><td>v18.4.0, v16.17.0</td>
<td><p>Removed proprietary <code>'node.keyObject'</code> import/export format.</p></td></tr>
<tr><td>v18.4.0, v16.17.0</td>
<td><p>Removed proprietary <code>'NODE-DSA'</code>, <code>'NODE-DH'</code>, and <code>'NODE-SCRYPT'</code> algorithms.</p></td></tr>
<tr><td>v18.4.0, v16.17.0</td>
<td><p>Added <code>'Ed25519'</code>, <code>'Ed448'</code>, <code>'X25519'</code>, and <code>'X448'</code> algorithms.</p></td></tr>
<tr><td>v18.4.0, v16.17.0</td>
<td><p>Removed proprietary <code>'NODE-ED25519'</code> and <code>'NODE-ED448'</code> algorithms.</p></td></tr>
<tr><td>v18.4.0, v16.17.0</td>
<td><p>Removed proprietary <code>'NODE-X25519'</code> and <code>'NODE-X448'</code> named curves from the <code>'ECDH'</code> algorithm.</p></td></tr>
</tbody></table>
</details>
</div>
<p></p><div class="api_stability api_stability_2"><a href="documentation.html#stability-index">Stability: 2</a> - Stable</div><p></p>
<p>Node.js provides an implementation of the <a href="https://www.w3.org/TR/WebCryptoAPI/">Web Crypto API</a> standard.</p>
<p>Use <code>globalThis.crypto</code> or <code>require('node:crypto').webcrypto</code> to access this
module.</p>
<pre><code class="language-js"><span class="hljs-keyword">const</span> { subtle } = globalThis.<span class="hljs-property">crypto</span>;
(<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span>(<span class="hljs-params"></span>) {
<span class="hljs-keyword">const</span> key = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">generateKey</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'HMAC'</span>,
<span class="hljs-attr">hash</span>: <span class="hljs-string">'SHA-256'</span>,
<span class="hljs-attr">length</span>: <span class="hljs-number">256</span>,
}, <span class="hljs-literal">true</span>, [<span class="hljs-string">'sign'</span>, <span class="hljs-string">'verify'</span>]);
<span class="hljs-keyword">const</span> enc = <span class="hljs-keyword">new</span> <span class="hljs-title class_">TextEncoder</span>();
<span class="hljs-keyword">const</span> message = enc.<span class="hljs-title function_">encode</span>(<span class="hljs-string">'I love cupcakes'</span>);
<span class="hljs-keyword">const</span> digest = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">sign</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'HMAC'</span>,
}, key, message);
})();</code> <button class="copy-button">copy</button></pre>
<section><h3>Modern Algorithms in the Web Cryptography API<span><a class="mark" href="#modern-algorithms-in-the-web-cryptography-api" id="modern-algorithms-in-the-web-cryptography-api">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_modern_algorithms_in_the_web_cryptography_api"></a></h3>
<p></p><div class="api_stability api_stability_1"><a href="documentation.html#stability-index">Stability: 1.1</a> - Active development</div><p></p>
<p>Node.js provides an implementation of the following features from the
<a href="https://wicg.github.io/webcrypto-modern-algos/">Modern Algorithms in the Web Cryptography API</a>
WICG proposal:</p>
<p>Algorithms:</p>
<ul>
<li><code>'AES-OCB'</code><sup><a href="#user-content-fn-openssl30" id="user-content-fnref-openssl30" data-footnote-ref="" aria-describedby="footnote-label">1</a></sup></li>
<li><code>'Argon2d'</code><sup><a href="#user-content-fn-openssl32" id="user-content-fnref-openssl32" data-footnote-ref="" aria-describedby="footnote-label">2</a></sup></li>
<li><code>'Argon2i'</code><sup><a href="#user-content-fn-openssl32" id="user-content-fnref-openssl32-2" data-footnote-ref="" aria-describedby="footnote-label">2</a></sup></li>
<li><code>'Argon2id'</code><sup><a href="#user-content-fn-openssl32" id="user-content-fnref-openssl32-3" data-footnote-ref="" aria-describedby="footnote-label">2</a></sup></li>
<li><code>'ChaCha20-Poly1305'</code></li>
<li><code>'cSHAKE128'</code></li>
<li><code>'cSHAKE256'</code></li>
<li><code>'KMAC128'</code><sup><a href="#user-content-fn-openssl30" id="user-content-fnref-openssl30-2" data-footnote-ref="" aria-describedby="footnote-label">1</a></sup></li>
<li><code>'KMAC256'</code><sup><a href="#user-content-fn-openssl30" id="user-content-fnref-openssl30-3" data-footnote-ref="" aria-describedby="footnote-label">1</a></sup></li>
<li><code>'ML-DSA-44'</code><sup><a href="#user-content-fn-openssl35" id="user-content-fnref-openssl35" data-footnote-ref="" aria-describedby="footnote-label">3</a></sup></li>
<li><code>'ML-DSA-65'</code><sup><a href="#user-content-fn-openssl35" id="user-content-fnref-openssl35-2" data-footnote-ref="" aria-describedby="footnote-label">3</a></sup></li>
<li><code>'ML-DSA-87'</code><sup><a href="#user-content-fn-openssl35" id="user-content-fnref-openssl35-3" data-footnote-ref="" aria-describedby="footnote-label">3</a></sup></li>
<li><code>'ML-KEM-512'</code><sup><a href="#user-content-fn-openssl35" id="user-content-fnref-openssl35-4" data-footnote-ref="" aria-describedby="footnote-label">3</a></sup></li>
<li><code>'ML-KEM-768'</code><sup><a href="#user-content-fn-openssl35" id="user-content-fnref-openssl35-5" data-footnote-ref="" aria-describedby="footnote-label">3</a></sup></li>
<li><code>'ML-KEM-1024'</code><sup><a href="#user-content-fn-openssl35" id="user-content-fnref-openssl35-6" data-footnote-ref="" aria-describedby="footnote-label">3</a></sup></li>
<li><code>'SHA3-256'</code></li>
<li><code>'SHA3-384'</code></li>
<li><code>'SHA3-512'</code></li>
</ul>
<p>Key Formats:</p>
<ul>
<li><code>'raw-public'</code></li>
<li><code>'raw-secret'</code></li>
<li><code>'raw-seed'</code></li>
</ul>
<p>Methods:</p>
<ul>
<li><a href="#subtledecapsulatebitsdecapsulationalgorithm-decapsulationkey-ciphertext"><code>subtle.decapsulateBits()</code></a></li>
<li><a href="#subtledecapsulatekeydecapsulationalgorithm-decapsulationkey-ciphertext-sharedkeyalgorithm-extractable-usages"><code>subtle.decapsulateKey()</code></a></li>
<li><a href="#subtleencapsulatebitsencapsulationalgorithm-encapsulationkey"><code>subtle.encapsulateBits()</code></a></li>
<li><a href="#subtleencapsulatekeyencapsulationalgorithm-encapsulationkey-sharedkeyalgorithm-extractable-usages"><code>subtle.encapsulateKey()</code></a></li>
<li><a href="#subtlegetpublickeykey-keyusages"><code>subtle.getPublicKey()</code></a></li>
<li><a href="#static-method-subtlecryptosupportsoperation-algorithm-lengthoradditionalalgorithm"><code>SubtleCrypto.supports()</code></a></li>
</ul>
</section><section><h3>Secure Curves in the Web Cryptography API<span><a class="mark" href="#secure-curves-in-the-web-cryptography-api" id="secure-curves-in-the-web-cryptography-api">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_secure_curves_in_the_web_cryptography_api"></a></h3>
<p></p><div class="api_stability api_stability_1"><a href="documentation.html#stability-index">Stability: 1.1</a> - Active development</div><p></p>
<p>Node.js provides an implementation of the following features from the
<a href="https://wicg.github.io/webcrypto-secure-curves/">Secure Curves in the Web Cryptography API</a>
WICG proposal:</p>
<p>Algorithms:</p>
<ul>
<li><code>'Ed448'</code></li>
<li><code>'X448'</code></li>
</ul>
</section><section><h3>Examples<span><a class="mark" href="#examples" id="examples">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_examples"></a></h3>
<div>
<h4>Generating keys<span><a class="mark" href="#generating-keys" id="generating-keys">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_generating_keys"></a></h4>
<p>The <a href="webcrypto.html#class-subtlecrypto" class="type"><SubtleCrypto></a> class can be used to generate symmetric (secret) keys
or asymmetric key pairs (public key and private key).</p>
<div>
<h5>AES keys<span><a class="mark" href="#aes-keys" id="aes-keys">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aes_keys"></a></h5>
<pre><code class="language-js"><span class="hljs-keyword">const</span> { subtle } = globalThis.<span class="hljs-property">crypto</span>;
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">generateAesKey</span>(<span class="hljs-params">length = <span class="hljs-number">256</span></span>) {
<span class="hljs-keyword">const</span> key = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">generateKey</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'AES-CBC'</span>,
length,
}, <span class="hljs-literal">true</span>, [<span class="hljs-string">'encrypt'</span>, <span class="hljs-string">'decrypt'</span>]);
<span class="hljs-keyword">return</span> key;
}</code> <button class="copy-button">copy</button></pre>
</div><div>
<h5>ECDSA key pairs<span><a class="mark" href="#ecdsa-key-pairs" id="ecdsa-key-pairs">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_ecdsa_key_pairs"></a></h5>
<pre><code class="language-js"><span class="hljs-keyword">const</span> { subtle } = globalThis.<span class="hljs-property">crypto</span>;
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">generateEcKey</span>(<span class="hljs-params">namedCurve = <span class="hljs-string">'P-521'</span></span>) {
<span class="hljs-keyword">const</span> {
publicKey,
privateKey,
} = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">generateKey</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'ECDSA'</span>,
namedCurve,
}, <span class="hljs-literal">true</span>, [<span class="hljs-string">'sign'</span>, <span class="hljs-string">'verify'</span>]);
<span class="hljs-keyword">return</span> { publicKey, privateKey };
}</code> <button class="copy-button">copy</button></pre>
</div><div>
<h5>Ed25519/X25519 key pairs<span><a class="mark" href="#ed25519x25519-key-pairs" id="ed25519x25519-key-pairs">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_ed25519_x25519_key_pairs"></a></h5>
<pre><code class="language-js"><span class="hljs-keyword">const</span> { subtle } = globalThis.<span class="hljs-property">crypto</span>;
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">generateEd25519Key</span>(<span class="hljs-params"></span>) {
<span class="hljs-keyword">return</span> subtle.<span class="hljs-title function_">generateKey</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'Ed25519'</span>,
}, <span class="hljs-literal">true</span>, [<span class="hljs-string">'sign'</span>, <span class="hljs-string">'verify'</span>]);
}
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">generateX25519Key</span>(<span class="hljs-params"></span>) {
<span class="hljs-keyword">return</span> subtle.<span class="hljs-title function_">generateKey</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'X25519'</span>,
}, <span class="hljs-literal">true</span>, [<span class="hljs-string">'deriveKey'</span>]);
}</code> <button class="copy-button">copy</button></pre>
</div><div>
<h5>HMAC keys<span><a class="mark" href="#hmac-keys" id="hmac-keys">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hmac_keys"></a></h5>
<pre><code class="language-js"><span class="hljs-keyword">const</span> { subtle } = globalThis.<span class="hljs-property">crypto</span>;
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">generateHmacKey</span>(<span class="hljs-params">hash = <span class="hljs-string">'SHA-256'</span></span>) {
<span class="hljs-keyword">const</span> key = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">generateKey</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'HMAC'</span>,
hash,
}, <span class="hljs-literal">true</span>, [<span class="hljs-string">'sign'</span>, <span class="hljs-string">'verify'</span>]);
<span class="hljs-keyword">return</span> key;
}</code> <button class="copy-button">copy</button></pre>
</div><div>
<h5>RSA key pairs<span><a class="mark" href="#rsa-key-pairs" id="rsa-key-pairs">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsa_key_pairs"></a></h5>
<pre><code class="language-js"><span class="hljs-keyword">const</span> { subtle } = globalThis.<span class="hljs-property">crypto</span>;
<span class="hljs-keyword">const</span> publicExponent = <span class="hljs-keyword">new</span> <span class="hljs-title class_">Uint8Array</span>([<span class="hljs-number">1</span>, <span class="hljs-number">0</span>, <span class="hljs-number">1</span>]);
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">generateRsaKey</span>(<span class="hljs-params">modulusLength = <span class="hljs-number">2048</span>, hash = <span class="hljs-string">'SHA-256'</span></span>) {
<span class="hljs-keyword">const</span> {
publicKey,
privateKey,
} = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">generateKey</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'RSASSA-PKCS1-v1_5'</span>,
modulusLength,
publicExponent,
hash,
}, <span class="hljs-literal">true</span>, [<span class="hljs-string">'sign'</span>, <span class="hljs-string">'verify'</span>]);
<span class="hljs-keyword">return</span> { publicKey, privateKey };
}</code> <button class="copy-button">copy</button></pre>
</div></div><div>
<h4>Encryption and decryption<span><a class="mark" href="#encryption-and-decryption" id="encryption-and-decryption">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_encryption_and_decryption"></a></h4>
<pre><code class="language-js"><span class="hljs-keyword">const</span> crypto = globalThis.<span class="hljs-property">crypto</span>;
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">aesEncrypt</span>(<span class="hljs-params">plaintext</span>) {
<span class="hljs-keyword">const</span> ec = <span class="hljs-keyword">new</span> <span class="hljs-title class_">TextEncoder</span>();
<span class="hljs-keyword">const</span> key = <span class="hljs-keyword">await</span> <span class="hljs-title function_">generateAesKey</span>();
<span class="hljs-keyword">const</span> iv = crypto.<span class="hljs-title function_">getRandomValues</span>(<span class="hljs-keyword">new</span> <span class="hljs-title class_">Uint8Array</span>(<span class="hljs-number">16</span>));
<span class="hljs-keyword">const</span> ciphertext = <span class="hljs-keyword">await</span> crypto.<span class="hljs-property">subtle</span>.<span class="hljs-title function_">encrypt</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'AES-CBC'</span>,
iv,
}, key, ec.<span class="hljs-title function_">encode</span>(plaintext));
<span class="hljs-keyword">return</span> {
key,
iv,
ciphertext,
};
}
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">aesDecrypt</span>(<span class="hljs-params">ciphertext, key, iv</span>) {
<span class="hljs-keyword">const</span> dec = <span class="hljs-keyword">new</span> <span class="hljs-title class_">TextDecoder</span>();
<span class="hljs-keyword">const</span> plaintext = <span class="hljs-keyword">await</span> crypto.<span class="hljs-property">subtle</span>.<span class="hljs-title function_">decrypt</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'AES-CBC'</span>,
iv,
}, key, ciphertext);
<span class="hljs-keyword">return</span> dec.<span class="hljs-title function_">decode</span>(plaintext);
}</code> <button class="copy-button">copy</button></pre>
</div><div>
<h4>Exporting and importing keys<span><a class="mark" href="#exporting-and-importing-keys" id="exporting-and-importing-keys">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_exporting_and_importing_keys"></a></h4>
<pre><code class="language-js"><span class="hljs-keyword">const</span> { subtle } = globalThis.<span class="hljs-property">crypto</span>;
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">generateAndExportHmacKey</span>(<span class="hljs-params">format = <span class="hljs-string">'jwk'</span>, hash = <span class="hljs-string">'SHA-512'</span></span>) {
<span class="hljs-keyword">const</span> key = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">generateKey</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'HMAC'</span>,
hash,
}, <span class="hljs-literal">true</span>, [<span class="hljs-string">'sign'</span>, <span class="hljs-string">'verify'</span>]);
<span class="hljs-keyword">return</span> subtle.<span class="hljs-title function_">exportKey</span>(format, key);
}
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">importHmacKey</span>(<span class="hljs-params">keyData, format = <span class="hljs-string">'jwk'</span>, hash = <span class="hljs-string">'SHA-512'</span></span>) {
<span class="hljs-keyword">const</span> key = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">importKey</span>(format, keyData, {
<span class="hljs-attr">name</span>: <span class="hljs-string">'HMAC'</span>,
hash,
}, <span class="hljs-literal">true</span>, [<span class="hljs-string">'sign'</span>, <span class="hljs-string">'verify'</span>]);
<span class="hljs-keyword">return</span> key;
}</code> <button class="copy-button">copy</button></pre>
</div><div>
<h4>Wrapping and unwrapping keys<span><a class="mark" href="#wrapping-and-unwrapping-keys" id="wrapping-and-unwrapping-keys">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_wrapping_and_unwrapping_keys"></a></h4>
<pre><code class="language-js"><span class="hljs-keyword">const</span> { subtle } = globalThis.<span class="hljs-property">crypto</span>;
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">generateAndWrapHmacKey</span>(<span class="hljs-params">format = <span class="hljs-string">'jwk'</span>, hash = <span class="hljs-string">'SHA-512'</span></span>) {
<span class="hljs-keyword">const</span> [
key,
wrappingKey,
] = <span class="hljs-keyword">await</span> <span class="hljs-title class_">Promise</span>.<span class="hljs-title function_">all</span>([
subtle.<span class="hljs-title function_">generateKey</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'HMAC'</span>, hash,
}, <span class="hljs-literal">true</span>, [<span class="hljs-string">'sign'</span>, <span class="hljs-string">'verify'</span>]),
subtle.<span class="hljs-title function_">generateKey</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'AES-KW'</span>,
<span class="hljs-attr">length</span>: <span class="hljs-number">256</span>,
}, <span class="hljs-literal">true</span>, [<span class="hljs-string">'wrapKey'</span>, <span class="hljs-string">'unwrapKey'</span>]),
]);
<span class="hljs-keyword">const</span> wrappedKey = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">wrapKey</span>(format, key, wrappingKey, <span class="hljs-string">'AES-KW'</span>);
<span class="hljs-keyword">return</span> { wrappedKey, wrappingKey };
}
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">unwrapHmacKey</span>(<span class="hljs-params">
wrappedKey,
wrappingKey,
format = <span class="hljs-string">'jwk'</span>,
hash = <span class="hljs-string">'SHA-512'</span></span>) {
<span class="hljs-keyword">const</span> key = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">unwrapKey</span>(
format,
wrappedKey,
wrappingKey,
<span class="hljs-string">'AES-KW'</span>,
{ <span class="hljs-attr">name</span>: <span class="hljs-string">'HMAC'</span>, hash },
<span class="hljs-literal">true</span>,
[<span class="hljs-string">'sign'</span>, <span class="hljs-string">'verify'</span>]);
<span class="hljs-keyword">return</span> key;
}</code> <button class="copy-button">copy</button></pre>
</div><div>
<h4>Sign and verify<span><a class="mark" href="#sign-and-verify" id="sign-and-verify">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_sign_and_verify"></a></h4>
<pre><code class="language-js"><span class="hljs-keyword">const</span> { subtle } = globalThis.<span class="hljs-property">crypto</span>;
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">sign</span>(<span class="hljs-params">key, data</span>) {
<span class="hljs-keyword">const</span> ec = <span class="hljs-keyword">new</span> <span class="hljs-title class_">TextEncoder</span>();
<span class="hljs-keyword">const</span> signature =
<span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">sign</span>(<span class="hljs-string">'RSASSA-PKCS1-v1_5'</span>, key, ec.<span class="hljs-title function_">encode</span>(data));
<span class="hljs-keyword">return</span> signature;
}
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">verify</span>(<span class="hljs-params">key, signature, data</span>) {
<span class="hljs-keyword">const</span> ec = <span class="hljs-keyword">new</span> <span class="hljs-title class_">TextEncoder</span>();
<span class="hljs-keyword">const</span> verified =
<span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">verify</span>(
<span class="hljs-string">'RSASSA-PKCS1-v1_5'</span>,
key,
signature,
ec.<span class="hljs-title function_">encode</span>(data));
<span class="hljs-keyword">return</span> verified;
}</code> <button class="copy-button">copy</button></pre>
</div><div>
<h4>Deriving bits and keys<span><a class="mark" href="#deriving-bits-and-keys" id="deriving-bits-and-keys">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_deriving_bits_and_keys"></a></h4>
<pre><code class="language-js"><span class="hljs-keyword">const</span> { subtle } = globalThis.<span class="hljs-property">crypto</span>;
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">pbkdf2</span>(<span class="hljs-params">pass, salt, iterations = <span class="hljs-number">1000</span>, length = <span class="hljs-number">256</span></span>) {
<span class="hljs-keyword">const</span> ec = <span class="hljs-keyword">new</span> <span class="hljs-title class_">TextEncoder</span>();
<span class="hljs-keyword">const</span> key = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">importKey</span>(
<span class="hljs-string">'raw'</span>,
ec.<span class="hljs-title function_">encode</span>(pass),
<span class="hljs-string">'PBKDF2'</span>,
<span class="hljs-literal">false</span>,
[<span class="hljs-string">'deriveBits'</span>]);
<span class="hljs-keyword">const</span> bits = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">deriveBits</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'PBKDF2'</span>,
<span class="hljs-attr">hash</span>: <span class="hljs-string">'SHA-512'</span>,
<span class="hljs-attr">salt</span>: ec.<span class="hljs-title function_">encode</span>(salt),
iterations,
}, key, length);
<span class="hljs-keyword">return</span> bits;
}
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">pbkdf2Key</span>(<span class="hljs-params">pass, salt, iterations = <span class="hljs-number">1000</span>, length = <span class="hljs-number">256</span></span>) {
<span class="hljs-keyword">const</span> ec = <span class="hljs-keyword">new</span> <span class="hljs-title class_">TextEncoder</span>();
<span class="hljs-keyword">const</span> keyMaterial = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">importKey</span>(
<span class="hljs-string">'raw'</span>,
ec.<span class="hljs-title function_">encode</span>(pass),
<span class="hljs-string">'PBKDF2'</span>,
<span class="hljs-literal">false</span>,
[<span class="hljs-string">'deriveKey'</span>]);
<span class="hljs-keyword">const</span> key = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">deriveKey</span>({
<span class="hljs-attr">name</span>: <span class="hljs-string">'PBKDF2'</span>,
<span class="hljs-attr">hash</span>: <span class="hljs-string">'SHA-512'</span>,
<span class="hljs-attr">salt</span>: ec.<span class="hljs-title function_">encode</span>(salt),
iterations,
}, keyMaterial, {
<span class="hljs-attr">name</span>: <span class="hljs-string">'AES-GCM'</span>,
length,
}, <span class="hljs-literal">true</span>, [<span class="hljs-string">'encrypt'</span>, <span class="hljs-string">'decrypt'</span>]);
<span class="hljs-keyword">return</span> key;
}</code> <button class="copy-button">copy</button></pre>
</div><div>
<h4>Digest<span><a class="mark" href="#digest" id="digest">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_digest"></a></h4>
<pre><code class="language-js"><span class="hljs-keyword">const</span> { subtle } = globalThis.<span class="hljs-property">crypto</span>;
<span class="hljs-keyword">async</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">digest</span>(<span class="hljs-params">data, algorithm = <span class="hljs-string">'SHA-512'</span></span>) {
<span class="hljs-keyword">const</span> ec = <span class="hljs-keyword">new</span> <span class="hljs-title class_">TextEncoder</span>();
<span class="hljs-keyword">const</span> digest = <span class="hljs-keyword">await</span> subtle.<span class="hljs-title function_">digest</span>(algorithm, ec.<span class="hljs-title function_">encode</span>(data));
<span class="hljs-keyword">return</span> digest;
}</code> <button class="copy-button">copy</button></pre>
</div><div>
<h4>Checking for runtime algorithm support<span><a class="mark" href="#checking-for-runtime-algorithm-support" id="checking-for-runtime-algorithm-support">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_checking_for_runtime_algorithm_support"></a></h4>
<p><a href="#static-method-subtlecryptosupportsoperation-algorithm-lengthoradditionalalgorithm"><code>SubtleCrypto.supports()</code></a> allows feature detection in Web Crypto API,
which can be used to detect whether a given algorithm identifier
(including its parameters) is supported for the given operation.</p>
<p>This example derives a key from a password using Argon2, if available,
or PBKDF2, otherwise; and then encrypts and decrypts some text with it
using AES-OCB, if available, and AES-GCM, otherwise.</p>
<pre><code class="language-js mjs"><span class="hljs-keyword">const</span> { <span class="hljs-title class_">SubtleCrypto</span>, crypto } = globalThis;
<span class="hljs-keyword">const</span> password = <span class="hljs-string">'correct horse battery staple'</span>;
<span class="hljs-keyword">const</span> derivationAlg =
<span class="hljs-title class_">SubtleCrypto</span>.<span class="hljs-property">supports</span>?.(<span class="hljs-string">'importKey'</span>, <span class="hljs-string">'Argon2id'</span>) ?
<span class="hljs-string">'Argon2id'</span> :
<span class="hljs-string">'PBKDF2'</span>;
<span class="hljs-keyword">const</span> encryptionAlg =
<span class="hljs-title class_">SubtleCrypto</span>.<span class="hljs-property">supports</span>?.(<span class="hljs-string">'importKey'</span>, <span class="hljs-string">'AES-OCB'</span>) ?
<span class="hljs-string">'AES-OCB'</span> :
<span class="hljs-string">'AES-GCM'</span>;
<span class="hljs-keyword">const</span> passwordKey = <span class="hljs-keyword">await</span> crypto.<span class="hljs-property">subtle</span>.<span class="hljs-title function_">importKey</span>(
derivationAlg === <span class="hljs-string">'Argon2id'</span> ? <span class="hljs-string">'raw-secret'</span> : <span class="hljs-string">'raw'</span>,
<span class="hljs-keyword">new</span> <span class="hljs-title class_">TextEncoder</span>().<span class="hljs-title function_">encode</span>(password),
derivationAlg,
<span class="hljs-literal">false</span>,
[<span class="hljs-string">'deriveKey'</span>],
);
<span class="hljs-keyword">const</span> nonce = crypto.<span class="hljs-title function_">getRandomValues</span>(<span class="hljs-keyword">new</span> <span class="hljs-title class_">Uint8Array</span>(<span class="hljs-number">16</span>));
<span class="hljs-keyword">const</span> derivationParams =
derivationAlg === <span class="hljs-string">'Argon2id'</span> ?
{
nonce,
<span class="hljs-attr">parallelism</span>: <span class="hljs-number">4</span>,
<span class="hljs-attr">memory</span>: <span class="hljs-number">2</span> ** <span class="hljs-number">21</span>,
<span class="hljs-attr">passes</span>: <span class="hljs-number">1</span>,
} :
{
<span class="hljs-attr">salt</span>: nonce,
<span class="hljs-attr">iterations</span>: <span class="hljs-number">100_000</span>,
<span class="hljs-attr">hash</span>: <span class="hljs-string">'SHA-256'</span>,
};
<span class="hljs-keyword">const</span> key = <span class="hljs-keyword">await</span> crypto.<span class="hljs-property">subtle</span>.<span class="hljs-title function_">deriveKey</span>(
{
<span class="hljs-attr">name</span>: derivationAlg,
...derivationParams,
},
passwordKey,
{
<span class="hljs-attr">name</span>: encryptionAlg,
<span class="hljs-attr">length</span>: <span class="hljs-number">256</span>,
},
<span class="hljs-literal">false</span>,
[<span class="hljs-string">'encrypt'</span>, <span class="hljs-string">'decrypt'</span>],
);
<span class="hljs-keyword">const</span> plaintext = <span class="hljs-string">'Hello, world!'</span>;
<span class="hljs-keyword">const</span> iv = crypto.<span class="hljs-title function_">getRandomValues</span>(<span class="hljs-keyword">new</span> <span class="hljs-title class_">Uint8Array</span>(<span class="hljs-number">16</span>));
<span class="hljs-keyword">const</span> encrypted = <span class="hljs-keyword">await</span> crypto.<span class="hljs-property">subtle</span>.<span class="hljs-title function_">encrypt</span>(
{ <span class="hljs-attr">name</span>: encryptionAlg, iv },
key,
<span class="hljs-keyword">new</span> <span class="hljs-title class_">TextEncoder</span>().<span class="hljs-title function_">encode</span>(plaintext),
);
<span class="hljs-keyword">const</span> decrypted = <span class="hljs-keyword">new</span> <span class="hljs-title class_">TextDecoder</span>().<span class="hljs-title function_">decode</span>(<span class="hljs-keyword">await</span> crypto.<span class="hljs-property">subtle</span>.<span class="hljs-title function_">decrypt</span>(
{ <span class="hljs-attr">name</span>: encryptionAlg, iv },
key,
encrypted,
));</code> <button class="copy-button">copy</button></pre>
</div>
</section><section><h3>Algorithm matrix<span><a class="mark" href="#algorithm-matrix" id="algorithm-matrix">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_algorithm_matrix"></a></h3>
<p>The tables details the algorithms supported by the Node.js Web Crypto API
implementation and the APIs supported for each:</p>
<div>
<h4>Key Management APIs<span><a class="mark" href="#key-management-apis" id="key-management-apis">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_key_management_apis"></a></h4>
<table><thead><tr><th>Algorithm</th><th><a href="#subtlegeneratekeyalgorithm-extractable-keyusages"><code>subtle.generateKey()</code></a></th><th><a href="#subtleexportkeyformat-key"><code>subtle.exportKey()</code></a></th><th><a href="#subtleimportkeyformat-keydata-algorithm-extractable-keyusages"><code>subtle.importKey()</code></a></th><th><a href="#subtlegetpublickeykey-keyusages"><code>subtle.getPublicKey()</code></a></th></tr></thead><tbody><tr><td><code>'AES-CBC'</code></td><td>✔</td><td>✔</td><td>✔</td><td></td></tr><tr><td><code>'AES-CTR'</code></td><td>✔</td><td>✔</td><td>✔</td><td></td></tr><tr><td><code>'AES-GCM'</code></td><td>✔</td><td>✔</td><td>✔</td><td></td></tr><tr><td><code>'AES-KW'</code></td><td>✔</td><td>✔</td><td>✔</td><td></td></tr><tr><td><code>'AES-OCB'</code></td><td>✔</td><td>✔</td><td>✔</td><td></td></tr><tr><td><code>'Argon2d'</code></td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'Argon2i'</code></td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'Argon2id'</code></td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'ChaCha20-Poly1305'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td></td></tr><tr><td><code>'ECDH'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'ECDSA'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'Ed25519'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'Ed448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'HKDF'</code></td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'HMAC'</code></td><td>✔</td><td>✔</td><td>✔</td><td></td></tr><tr><td><code>'KMAC128'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-2" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td></td></tr><tr><td><code>'KMAC256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-3" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td></td></tr><tr><td><code>'ML-DSA-44'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-4" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-DSA-65'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-5" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-DSA-87'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-6" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-KEM-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-7" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-KEM-768'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-8" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-KEM-1024'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-9" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'PBKDF2'</code></td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'RSA-OAEP'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'RSA-PSS'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'RSASSA-PKCS1-v1_5'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'X25519'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr><tr><td><code>'X448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-2" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td></tr></tbody></table>
</div><div>
<h4>Crypto Operation APIs<span><a class="mark" href="#crypto-operation-apis" id="crypto-operation-apis">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_crypto_operation_apis"></a></h4>
<p><strong>Column Legend:</strong></p>
<ul>
<li><strong>Encryption</strong>: <a href="#subtleencryptalgorithm-key-data"><code>subtle.encrypt()</code></a> / <a href="#subtledecryptalgorithm-key-data"><code>subtle.decrypt()</code></a></li>
<li><strong>Signatures and MAC</strong>: <a href="#subtlesignalgorithm-key-data"><code>subtle.sign()</code></a> / <a href="#subtleverifyalgorithm-key-signature-data"><code>subtle.verify()</code></a></li>
<li><strong>Key or Bits Derivation</strong>: <a href="#subtlederivebitsalgorithm-basekey-length"><code>subtle.deriveBits()</code></a> / <a href="#subtlederivekeyalgorithm-basekey-derivedkeyalgorithm-extractable-keyusages"><code>subtle.deriveKey()</code></a></li>
<li><strong>Key Wrapping</strong>: <a href="#subtlewrapkeyformat-key-wrappingkey-wrapalgo"><code>subtle.wrapKey()</code></a> / <a href="#subtleunwrapkeyformat-wrappedkey-unwrappingkey-unwrapalgo-unwrappedkeyalgo-extractable-keyusages"><code>subtle.unwrapKey()</code></a></li>
<li><strong>Key Encapsulation</strong>: <a href="#subtleencapsulatebitsencapsulationalgorithm-encapsulationkey"><code>subtle.encapsulateBits()</code></a> / <a href="#subtledecapsulatebitsdecapsulationalgorithm-decapsulationkey-ciphertext"><code>subtle.decapsulateBits()</code></a> /
<a href="#subtleencapsulatekeyencapsulationalgorithm-encapsulationkey-sharedkeyalgorithm-extractable-usages"><code>subtle.encapsulateKey()</code></a> / <a href="#subtledecapsulatekeydecapsulationalgorithm-decapsulationkey-ciphertext-sharedkeyalgorithm-extractable-usages"><code>subtle.decapsulateKey()</code></a></li>
<li><strong>Digest</strong>: <a href="#subtledigestalgorithm-data"><code>subtle.digest()</code></a></li>
</ul>
<table><thead><tr><th>Algorithm</th><th>Encryption</th><th>Signatures and MAC</th><th>Key or Bits Derivation</th><th>Key Wrapping</th><th>Key Encapsulation</th><th>Digest</th></tr></thead><tbody><tr><td><code>'AES-CBC'</code></td><td>✔</td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'AES-CTR'</code></td><td>✔</td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'AES-GCM'</code></td><td>✔</td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'AES-KW'</code></td><td></td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'AES-OCB'</code></td><td>✔</td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'Argon2d'</code></td><td></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'Argon2i'</code></td><td></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'Argon2id'</code></td><td></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'ChaCha20-Poly1305'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-10" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'cSHAKE128'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-11" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td></td><td>✔</td></tr><tr><td><code>'cSHAKE256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-12" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td></td><td>✔</td></tr><tr><td><code>'ECDH'</code></td><td></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'ECDSA'</code></td><td></td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'Ed25519'</code></td><td></td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'Ed448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-3" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></td><td></td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'HKDF'</code></td><td></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'HMAC'</code></td><td></td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'KMAC128'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-13" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'KMAC256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-14" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'ML-DSA-44'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-15" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'ML-DSA-65'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-16" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'ML-DSA-87'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-17" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'ML-KEM-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-18" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'ML-KEM-768'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-19" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'ML-KEM-1024'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-20" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'PBKDF2'</code></td><td></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'RSA-OAEP'</code></td><td>✔</td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'RSA-PSS'</code></td><td></td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'RSASSA-PKCS1-v1_5'</code></td><td></td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'SHA-1'</code></td><td></td><td></td><td></td><td></td><td></td><td>✔</td></tr><tr><td><code>'SHA-256'</code></td><td></td><td></td><td></td><td></td><td></td><td>✔</td></tr><tr><td><code>'SHA-384'</code></td><td></td><td></td><td></td><td></td><td></td><td>✔</td></tr><tr><td><code>'SHA-512'</code></td><td></td><td></td><td></td><td></td><td></td><td>✔</td></tr><tr><td><code>'SHA3-256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-21" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td></td><td>✔</td></tr><tr><td><code>'SHA3-384'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-22" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td></td><td>✔</td></tr><tr><td><code>'SHA3-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-23" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td></td><td>✔</td></tr><tr><td><code>'X25519'</code></td><td></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'X448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-4" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></td><td></td><td></td><td>✔</td><td></td><td></td><td></td></tr></tbody></table>
</div>
</section><section><h3>Class: <code>Crypto</code><span><a class="mark" href="#class-crypto" id="class-crypto">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_crypto"></a></h3>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<p><code>globalThis.crypto</code> is an instance of the <code>Crypto</code>
class. <code>Crypto</code> is a singleton that provides access to the remainder of the
crypto API.</p>
<div>
<h4><code>crypto.subtle</code><span><a class="mark" href="#cryptosubtle" id="cryptosubtle">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_crypto_subtle"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="webcrypto.html#class-subtlecrypto" class="type"><SubtleCrypto></a></li>
</ul>
<p>Provides access to the <code>SubtleCrypto</code> API.</p>
</div><div>
<h4><code>crypto.getRandomValues(typedArray)</code><span><a class="mark" href="#cryptogetrandomvaluestypedarray" id="cryptogetrandomvaluestypedarray">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_crypto_getrandomvalues_typedarray"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li><code>typedArray</code> <a href="buffer.html#class-buffer" class="type"><Buffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a></li>
<li>Returns: <a href="buffer.html#class-buffer" class="type"><Buffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a></li>
</ul>
<p>Generates cryptographically strong random values. The given <code>typedArray</code> is
filled with random values, and a reference to <code>typedArray</code> is returned.</p>
<p>The given <code>typedArray</code> must be an integer-based instance of <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a>,
i.e. <code>Float32Array</code> and <code>Float64Array</code> are not accepted.</p>
<p>An error will be thrown if the given <code>typedArray</code> is larger than 65,536 bytes.</p>
</div><div>
<h4><code>crypto.randomUUID()</code><span><a class="mark" href="#cryptorandomuuid" id="cryptorandomuuid">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_crypto_randomuuid"></a></h4>
<div class="api_metadata">
<span>Added in: v16.7.0</span>
</div>
<ul>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a></li>
</ul>
<p>Generates a random <a href="https://www.rfc-editor.org/rfc/rfc4122.txt">RFC 4122</a> version 4 UUID. The UUID is generated using a
cryptographic pseudorandom number generator.</p>
</div>
</section><section><h3>Class: <code>CryptoKey</code><span><a class="mark" href="#class-cryptokey" id="class-cryptokey">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_cryptokey"></a></h3>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h4><code>cryptoKey.algorithm</code><span><a class="mark" href="#cryptokeyalgorithm" id="cryptokeyalgorithm">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_cryptokey_algorithm"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<!--lint disable maximum-line-length remark-lint-->
<ul>
<li>Type: <a href="webcrypto.html#class-keyalgorithm" class="type"><KeyAlgorithm></a> | <a href="webcrypto.html#class-rsahashedkeyalgorithm" class="type"><RsaHashedKeyAlgorithm></a> | <a href="webcrypto.html#class-eckeyalgorithm" class="type"><EcKeyAlgorithm></a> | <a href="webcrypto.html#class-aeskeyalgorithm" class="type"><AesKeyAlgorithm></a> | <a href="webcrypto.html#class-hmackeyalgorithm" class="type"><HmacKeyAlgorithm></a> | <a href="webcrypto.html#class-kmackeyalgorithm" class="type"><KmacKeyAlgorithm></a></li>
</ul>
<!--lint enable maximum-line-length remark-lint-->
<p>An object detailing the algorithm for which the key can be used along with
additional algorithm-specific parameters.</p>
<p>Read-only.</p>
</div><div>
<h4><code>cryptoKey.extractable</code><span><a class="mark" href="#cryptokeyextractable" id="cryptokeyextractable">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_cryptokey_extractable"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type" class="type"><boolean></a></li>
</ul>
<p>When <code>true</code>, the <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> can be extracted using either
<a href="#subtleexportkeyformat-key"><code>subtle.exportKey()</code></a> or <a href="#subtlewrapkeyformat-key-wrappingkey-wrapalgo"><code>subtle.wrapKey()</code></a>.</p>
<p>Read-only.</p>
</div><div>
<h4><code>cryptoKey.type</code><span><a class="mark" href="#cryptokeytype" id="cryptokeytype">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_cryptokey_type"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> One of <code>'secret'</code>, <code>'private'</code>, or <code>'public'</code>.</li>
</ul>
<p>A string identifying whether the key is a symmetric (<code>'secret'</code>) or
asymmetric (<code>'private'</code> or <code>'public'</code>) key.</p>
</div><div>
<h4><code>cryptoKey.usages</code><span><a class="mark" href="#cryptokeyusages" id="cryptokeyusages">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_cryptokey_usages"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string[]></a></li>
</ul>
<p>An array of strings identifying the operations for which the
key may be used.</p>
<p>The possible usages are:</p>
<ul>
<li><code>'encrypt'</code> - Enable using the key with <a href="#subtleencryptalgorithm-key-data"><code>subtle.encrypt()</code></a></li>
<li><code>'decrypt'</code> - Enable using the key with <a href="#subtledecryptalgorithm-key-data"><code>subtle.decrypt()</code></a></li>
<li><code>'sign'</code> - Enable using the key with <a href="#subtlesignalgorithm-key-data"><code>subtle.sign()</code></a></li>
<li><code>'verify'</code> - Enable using the key with <a href="#subtleverifyalgorithm-key-signature-data"><code>subtle.verify()</code></a></li>
<li><code>'deriveKey'</code> - Enable using the key with <a href="#subtlederivekeyalgorithm-basekey-derivedkeyalgorithm-extractable-keyusages"><code>subtle.deriveKey()</code></a></li>
<li><code>'deriveBits'</code> - Enable using the key with <a href="#subtlederivebitsalgorithm-basekey-length"><code>subtle.deriveBits()</code></a></li>
<li><code>'encapsulateBits'</code> - Enable using the key with <a href="#subtleencapsulatebitsencapsulationalgorithm-encapsulationkey"><code>subtle.encapsulateBits()</code></a></li>
<li><code>'decapsulateBits'</code> - Enable using the key with <a href="#subtledecapsulatebitsdecapsulationalgorithm-decapsulationkey-ciphertext"><code>subtle.decapsulateBits()</code></a></li>
<li><code>'encapsulateKey'</code> - Enable using the key with <a href="#subtleencapsulatekeyencapsulationalgorithm-encapsulationkey-sharedkeyalgorithm-extractable-usages"><code>subtle.encapsulateKey()</code></a></li>
<li><code>'decapsulateKey'</code> - Enable using the key with <a href="#subtledecapsulatekeydecapsulationalgorithm-decapsulationkey-ciphertext-sharedkeyalgorithm-extractable-usages"><code>subtle.decapsulateKey()</code></a></li>
<li><code>'wrapKey'</code> - Enable using the key with <a href="#subtlewrapkeyformat-key-wrappingkey-wrapalgo"><code>subtle.wrapKey()</code></a></li>
<li><code>'unwrapKey'</code> - Enable using the key with <a href="#subtleunwrapkeyformat-wrappedkey-unwrappingkey-unwrapalgo-unwrappedkeyalgo-extractable-keyusages"><code>subtle.unwrapKey()</code></a></li>
</ul>
<p>Valid key usages depend on the key algorithm (identified by
<code>cryptokey.algorithm.name</code>).</p>
<p><strong>Column Legend:</strong></p>
<ul>
<li><strong>Encryption</strong>: <a href="#subtleencryptalgorithm-key-data"><code>subtle.encrypt()</code></a> / <a href="#subtledecryptalgorithm-key-data"><code>subtle.decrypt()</code></a></li>
<li><strong>Signatures and MAC</strong>: <a href="#subtlesignalgorithm-key-data"><code>subtle.sign()</code></a> / <a href="#subtleverifyalgorithm-key-signature-data"><code>subtle.verify()</code></a></li>
<li><strong>Key or Bits Derivation</strong>: <a href="#subtlederivebitsalgorithm-basekey-length"><code>subtle.deriveBits()</code></a> / <a href="#subtlederivekeyalgorithm-basekey-derivedkeyalgorithm-extractable-keyusages"><code>subtle.deriveKey()</code></a></li>
<li><strong>Key Wrapping</strong>: <a href="#subtlewrapkeyformat-key-wrappingkey-wrapalgo"><code>subtle.wrapKey()</code></a> / <a href="#subtleunwrapkeyformat-wrappedkey-unwrappingkey-unwrapalgo-unwrappedkeyalgo-extractable-keyusages"><code>subtle.unwrapKey()</code></a></li>
<li><strong>Key Encapsulation</strong>: <a href="#subtleencapsulatebitsencapsulationalgorithm-encapsulationkey"><code>subtle.encapsulateBits()</code></a> / <a href="#subtledecapsulatebitsdecapsulationalgorithm-decapsulationkey-ciphertext"><code>subtle.decapsulateBits()</code></a> /
<a href="#subtleencapsulatekeyencapsulationalgorithm-encapsulationkey-sharedkeyalgorithm-extractable-usages"><code>subtle.encapsulateKey()</code></a> / <a href="#subtledecapsulatekeydecapsulationalgorithm-decapsulationkey-ciphertext-sharedkeyalgorithm-extractable-usages"><code>subtle.decapsulateKey()</code></a></li>
</ul>
<table><thead><tr><th>Supported Key Algorithm</th><th>Encryption</th><th>Signatures and MAC</th><th>Key or Bits Derivation</th><th>Key Wrapping</th><th>Key Encapsulation</th></tr></thead><tbody><tr><td><code>'AES-CBC'</code></td><td>✔</td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'AES-CTR'</code></td><td>✔</td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'AES-GCM'</code></td><td>✔</td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'AES-KW'</code></td><td></td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'AES-OCB'</code></td><td>✔</td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'Argon2d'</code></td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'Argon2i'</code></td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'Argon2id'</code></td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'ChaCha20-Poly1305'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-24" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'ECDH'</code></td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'ECDSA'</code></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'Ed25519'</code></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'Ed448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-5" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'HDKF'</code></td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'HMAC'</code></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'KMAC128'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-25" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'KMAC256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-26" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'ML-DSA-44'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-27" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'ML-DSA-65'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-28" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'ML-DSA-87'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-29" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'ML-KEM-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-30" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td>✔</td></tr><tr><td><code>'ML-KEM-768'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-31" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td>✔</td></tr><tr><td><code>'ML-KEM-1024'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-32" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td>✔</td></tr><tr><td><code>'PBKDF2'</code></td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'RSA-OAEP'</code></td><td>✔</td><td></td><td></td><td>✔</td><td></td></tr><tr><td><code>'RSA-PSS'</code></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'RSASSA-PKCS1-v1_5'</code></td><td></td><td>✔</td><td></td><td></td><td></td></tr><tr><td><code>'X25519'</code></td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'X448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-6" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></td><td></td><td></td><td>✔</td><td></td><td></td></tr></tbody></table>
</div>
</section><section><h3>Class: <code>CryptoKeyPair</code><span><a class="mark" href="#class-cryptokeypair" id="class-cryptokeypair">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_cryptokeypair"></a></h3>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<p>The <code>CryptoKeyPair</code> is a simple dictionary object with <code>publicKey</code> and
<code>privateKey</code> properties, representing an asymmetric key pair.</p>
<div>
<h4><code>cryptoKeyPair.privateKey</code><span><a class="mark" href="#cryptokeypairprivatekey" id="cryptokeypairprivatekey">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_cryptokeypair_privatekey"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> A <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> whose <code>type</code> will be <code>'private'</code>.</li>
</ul>
</div><div>
<h4><code>cryptoKeyPair.publicKey</code><span><a class="mark" href="#cryptokeypairpublickey" id="cryptokeypairpublickey">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_cryptokeypair_publickey"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> A <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> whose <code>type</code> will be <code>'public'</code>.</li>
</ul>
</div>
</section><section><h3>Class: <code>SubtleCrypto</code><span><a class="mark" href="#class-subtlecrypto" id="class-subtlecrypto">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_subtlecrypto"></a></h3>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h4>Static method: <code>SubtleCrypto.supports(operation, algorithm[, lengthOrAdditionalAlgorithm])</code><span><a class="mark" href="#static-method-subtlecryptosupportsoperation-algorithm-lengthoradditionalalgorithm" id="static-method-subtlecryptosupportsoperation-algorithm-lengthoradditionalalgorithm">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_static_method_subtlecrypto_supports_operation_algorithm_lengthoradditionalalgorithm"></a></h4>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<p></p><div class="api_stability api_stability_1"><a href="documentation.html#stability-index">Stability: 1.1</a> - Active development</div><p></p>
<!--lint disable maximum-line-length remark-lint-->
<ul>
<li><code>operation</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> "encrypt", "decrypt", "sign", "verify", "digest", "generateKey", "deriveKey", "deriveBits", "importKey", "exportKey", "getPublicKey", "wrapKey", "unwrapKey", "encapsulateBits", "encapsulateKey", "decapsulateBits", or "decapsulateKey"</li>
<li><code>algorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
<li><code>lengthOrAdditionalAlgorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#null_type" class="type"><null></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#undefined_type" class="type"><undefined></a> Depending on the operation this is either ignored, the value of the length argument when operation is "deriveBits", the algorithm of key to be derived when operation is "deriveKey", the algorithm of key to be exported before wrapping when operation is "wrapKey", the algorithm of key to be imported after unwrapping when operation is "unwrapKey", or the algorithm of key to be imported after en/decapsulating a key when operation is "encapsulateKey" or "decapsulateKey". <strong>Default:</strong> <code>null</code> when operation is "deriveBits", <code>undefined</code> otherwise.</li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type" class="type"><boolean></a> Indicating whether the implementation supports the given operation</li>
</ul>
<!--lint enable maximum-line-length remark-lint-->
<p>Allows feature detection in Web Crypto API,
which can be used to detect whether a given algorithm identifier
(including its parameters) is supported for the given operation.</p>
<p>See <a href="#checking-for-runtime-algorithm-support">Checking for runtime algorithm support</a> for an example use of this method.</p>
</div><div>
<h4><code>subtle.decapsulateBits(decapsulationAlgorithm, decapsulationKey, ciphertext)</code><span><a class="mark" href="#subtledecapsulatebitsdecapsulationalgorithm-decapsulationkey-ciphertext" id="subtledecapsulatebitsdecapsulationalgorithm-decapsulationkey-ciphertext">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_decapsulatebits_decapsulationalgorithm_decapsulationkey_ciphertext"></a></h4>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<p></p><div class="api_stability api_stability_1"><a href="documentation.html#stability-index">Stability: 1.1</a> - Active development</div><p></p>
<ul>
<li><code>decapsulationAlgorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
<li><code>decapsulationKey</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
<li><code>ciphertext</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> upon success.</li>
</ul>
<p>A message recipient uses their asymmetric private key to decrypt an
"encapsulated key" (ciphertext), thereby recovering a temporary symmetric
key (represented as <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a>) which is then used to decrypt a message.</p>
<p>The algorithms currently supported include:</p>
<ul>
<li><code>'ML-KEM-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-33" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-768'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-34" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-1024'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-35" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
</div><div>
<h4><code>subtle.decapsulateKey(decapsulationAlgorithm, decapsulationKey, ciphertext, sharedKeyAlgorithm, extractable, usages)</code><span><a class="mark" href="#subtledecapsulatekeydecapsulationalgorithm-decapsulationkey-ciphertext-sharedkeyalgorithm-extractable-usages" id="subtledecapsulatekeydecapsulationalgorithm-decapsulationkey-ciphertext-sharedkeyalgorithm-extractable-usages">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_decapsulatekey_decapsulationalgorithm_decapsulationkey_ciphertext_sharedkeyalgorithm_extractable_usages"></a></h4>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<p></p><div class="api_stability api_stability_1"><a href="documentation.html#stability-index">Stability: 1.1</a> - Active development</div><p></p>
<ul>
<li><code>decapsulationAlgorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
<li><code>decapsulationKey</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
<li><code>ciphertext</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
<li><code>sharedKeyAlgorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a> | <a href="webcrypto.html#class-hmacimportparams" class="type"><HmacImportParams></a> | <a href="webcrypto.html#class-aesderivedkeyparams" class="type"><AesDerivedKeyParams></a> | <a href="webcrypto.html#class-kmacimportparams" class="type"><KmacImportParams></a></li>
<li><code>extractable</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type" class="type"><boolean></a></li>
<li><code>usages</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string[]></a> See <a href="#cryptokeyusages">Key usages</a>.</li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> upon success.</li>
</ul>
<p>A message recipient uses their asymmetric private key to decrypt an
"encapsulated key" (ciphertext), thereby recovering a temporary symmetric
key (represented as <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a>) which is then used to decrypt a message.</p>
<p>The algorithms currently supported include:</p>
<ul>
<li><code>'ML-KEM-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-36" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-768'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-37" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-1024'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-38" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
</div><div>
<h4><code>subtle.decrypt(algorithm, key, data)</code><span><a class="mark" href="#subtledecryptalgorithm-key-data" id="subtledecryptalgorithm-key-data">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_decrypt_algorithm_key_data"></a></h4>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.7.0</td>
<td><p>AES-OCB algorithm is now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ChaCha20-Poly1305 algorithm is now supported.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li><code>algorithm</code> <a href="webcrypto.html#class-rsaoaepparams" class="type"><RsaOaepParams></a> | <a href="webcrypto.html#class-aesctrparams" class="type"><AesCtrParams></a> | <a href="webcrypto.html#class-aescbcparams" class="type"><AesCbcParams></a> | <a href="webcrypto.html#class-aeadparams" class="type"><AeadParams></a></li>
<li><code>key</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
<li><code>data</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> upon success.</li>
</ul>
<p>Using the method and parameters specified in <code>algorithm</code> and the keying
material provided by <code>key</code>, this method attempts to decipher the
provided <code>data</code>. If successful, the returned promise will be resolved with
an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> containing the plaintext result.</p>
<p>The algorithms currently supported include:</p>
<ul>
<li><code>'AES-CBC'</code></li>
<li><code>'AES-CTR'</code></li>
<li><code>'AES-GCM'</code></li>
<li><code>'AES-OCB'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-39" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ChaCha20-Poly1305'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-40" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'RSA-OAEP'</code></li>
</ul>
</div><div>
<h4><code>subtle.deriveBits(algorithm, baseKey[, length])</code><span><a class="mark" href="#subtlederivebitsalgorithm-basekey-length" id="subtlederivebitsalgorithm-basekey-length">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_derivebits_algorithm_basekey_length"></a></h4>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.8.0</td>
<td><p>Argon2 algorithms are now supported.</p></td></tr>
<tr><td>v22.5.0, v20.17.0, v18.20.5</td>
<td><p>The length parameter is now optional for <code>'ECDH'</code>, <code>'X25519'</code>, and <code>'X448'</code>.</p></td></tr>
<tr><td>v18.4.0, v16.17.0</td>
<td><p>Added <code>'X25519'</code>, and <code>'X448'</code> algorithms.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<!--lint disable maximum-line-length remark-lint-->
<ul>
<li><code>algorithm</code> <a href="webcrypto.html#class-ecdhkeyderiveparams" class="type"><EcdhKeyDeriveParams></a> | <a href="webcrypto.html#class-hkdfparams" class="type"><HkdfParams></a> | <a href="webcrypto.html#class-pbkdf2params" class="type"><Pbkdf2Params></a> | <a href="webcrypto.html#class-argon2params" class="type"><Argon2Params></a></li>
<li><code>baseKey</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
<li><code>length</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#null_type" class="type"><null></a> <strong>Default:</strong> <code>null</code></li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> upon success.</li>
</ul>
<!--lint enable maximum-line-length remark-lint-->
<p>Using the method and parameters specified in <code>algorithm</code> and the keying
material provided by <code>baseKey</code>, this method attempts to generate
<code>length</code> bits.</p>
<p>When <code>length</code> is not provided or <code>null</code> the maximum number of bits for a given
algorithm is generated. This is allowed for the <code>'ECDH'</code>, <code>'X25519'</code>, and <code>'X448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-7" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup>
algorithms, for other algorithms <code>length</code> is required to be a number.</p>
<p>If successful, the returned promise will be resolved with an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a>
containing the generated data.</p>
<p>The algorithms currently supported include:</p>
<ul>
<li><code>'Argon2d'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-41" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'Argon2i'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-42" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'Argon2id'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-43" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ECDH'</code></li>
<li><code>'HKDF'</code></li>
<li><code>'PBKDF2'</code></li>
<li><code>'X25519'</code></li>
<li><code>'X448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-8" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></li>
</ul>
</div><div>
<h4><code>subtle.deriveKey(algorithm, baseKey, derivedKeyAlgorithm, extractable, keyUsages)</code><span><a class="mark" href="#subtlederivekeyalgorithm-basekey-derivedkeyalgorithm-extractable-keyusages" id="subtlederivekeyalgorithm-basekey-derivedkeyalgorithm-extractable-keyusages">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_derivekey_algorithm_basekey_derivedkeyalgorithm_extractable_keyusages"></a></h4>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.8.0</td>
<td><p>Argon2 algorithms are now supported.</p></td></tr>
<tr><td>v18.4.0, v16.17.0</td>
<td><p>Added <code>'X25519'</code>, and <code>'X448'</code> algorithms.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<!--lint disable maximum-line-length remark-lint-->
<ul>
<li><code>algorithm</code> <a href="webcrypto.html#class-ecdhkeyderiveparams" class="type"><EcdhKeyDeriveParams></a> | <a href="webcrypto.html#class-hkdfparams" class="type"><HkdfParams></a> | <a href="webcrypto.html#class-pbkdf2params" class="type"><Pbkdf2Params></a> | <a href="webcrypto.html#class-argon2params" class="type"><Argon2Params></a></li>
<li><code>baseKey</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
<li><code>derivedKeyAlgorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a> | <a href="webcrypto.html#class-hmacimportparams" class="type"><HmacImportParams></a> | <a href="webcrypto.html#class-aesderivedkeyparams" class="type"><AesDerivedKeyParams></a> | <a href="webcrypto.html#class-kmacimportparams" class="type"><KmacImportParams></a></li>
<li><code>extractable</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type" class="type"><boolean></a></li>
<li><code>keyUsages</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string[]></a> See <a href="#cryptokeyusages">Key usages</a>.</li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with a <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> upon success.</li>
</ul>
<!--lint enable maximum-line-length remark-lint-->
<p>Using the method and parameters specified in <code>algorithm</code>, and the keying
material provided by <code>baseKey</code>, this method attempts to generate
a new <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> based on the method and parameters in <code>derivedKeyAlgorithm</code>.</p>
<p>Calling this method is equivalent to calling <a href="#subtlederivebitsalgorithm-basekey-length"><code>subtle.deriveBits()</code></a> to
generate raw keying material, then passing the result into the
<a href="#subtleimportkeyformat-keydata-algorithm-extractable-keyusages"><code>subtle.importKey()</code></a> method using the <code>deriveKeyAlgorithm</code>, <code>extractable</code>, and
<code>keyUsages</code> parameters as input.</p>
<p>The algorithms currently supported include:</p>
<ul>
<li><code>'Argon2d'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-44" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'Argon2i'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-45" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'Argon2id'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-46" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ECDH'</code></li>
<li><code>'HKDF'</code></li>
<li><code>'PBKDF2'</code></li>
<li><code>'X25519'</code></li>
<li><code>'X448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-9" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></li>
</ul>
</div><div>
<h4><code>subtle.digest(algorithm, data)</code><span><a class="mark" href="#subtledigestalgorithm-data" id="subtledigestalgorithm-data">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_digest_algorithm_data"></a></h4>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.7.0</td>
<td><p>SHA-3 algorithms are now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>SHAKE algorithms are now supported.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li><code>algorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a> | <a href="webcrypto.html#class-cshakeparams" class="type"><CShakeParams></a></li>
<li><code>data</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> upon success.</li>
</ul>
<p>Using the method identified by <code>algorithm</code>, this method attempts to
generate a digest of <code>data</code>. If successful, the returned promise is resolved
with an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> containing the computed digest.</p>
<p>If <code>algorithm</code> is provided as a <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a>, it must be one of:</p>
<ul>
<li><code>'cSHAKE128'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-47" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'cSHAKE256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-48" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA-1'</code></li>
<li><code>'SHA-256'</code></li>
<li><code>'SHA-384'</code></li>
<li><code>'SHA-512'</code></li>
<li><code>'SHA3-256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-49" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-384'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-50" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-51" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
<p>If <code>algorithm</code> is provided as an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object" class="type"><Object></a>, it must have a <code>name</code> property
whose value is one of the above.</p>
</div><div>
<h4><code>subtle.encapsulateBits(encapsulationAlgorithm, encapsulationKey)</code><span><a class="mark" href="#subtleencapsulatebitsencapsulationalgorithm-encapsulationkey" id="subtleencapsulatebitsencapsulationalgorithm-encapsulationkey">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_encapsulatebits_encapsulationalgorithm_encapsulationkey"></a></h4>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<p></p><div class="api_stability api_stability_1"><a href="documentation.html#stability-index">Stability: 1.1</a> - Active development</div><p></p>
<ul>
<li><code>encapsulationAlgorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
<li><code>encapsulationKey</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with <a href="webcrypto.html#class-encapsulatedbits" class="type"><EncapsulatedBits></a> upon success.</li>
</ul>
<p>Uses a message recipient's asymmetric public key to encrypt a temporary symmetric key.
This encrypted key is the "encapsulated key" represented as <a href="webcrypto.html#class-encapsulatedbits" class="type"><EncapsulatedBits></a>.</p>
<p>The algorithms currently supported include:</p>
<ul>
<li><code>'ML-KEM-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-52" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-768'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-53" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-1024'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-54" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
</div><div>
<h4><code>subtle.encapsulateKey(encapsulationAlgorithm, encapsulationKey, sharedKeyAlgorithm, extractable, usages)</code><span><a class="mark" href="#subtleencapsulatekeyencapsulationalgorithm-encapsulationkey-sharedkeyalgorithm-extractable-usages" id="subtleencapsulatekeyencapsulationalgorithm-encapsulationkey-sharedkeyalgorithm-extractable-usages">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_encapsulatekey_encapsulationalgorithm_encapsulationkey_sharedkeyalgorithm_extractable_usages"></a></h4>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<p></p><div class="api_stability api_stability_1"><a href="documentation.html#stability-index">Stability: 1.1</a> - Active development</div><p></p>
<ul>
<li><code>encapsulationAlgorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
<li><code>encapsulationKey</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
<li><code>sharedKeyAlgorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a> | <a href="webcrypto.html#class-hmacimportparams" class="type"><HmacImportParams></a> | <a href="webcrypto.html#class-aesderivedkeyparams" class="type"><AesDerivedKeyParams></a> | <a href="webcrypto.html#class-kmacimportparams" class="type"><KmacImportParams></a></li>
<li><code>extractable</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type" class="type"><boolean></a></li>
<li><code>usages</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string[]></a> See <a href="#cryptokeyusages">Key usages</a>.</li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with <a href="webcrypto.html#class-encapsulatedkey" class="type"><EncapsulatedKey></a> upon success.</li>
</ul>
<p>Uses a message recipient's asymmetric public key to encrypt a temporary symmetric key.
This encrypted key is the "encapsulated key" represented as <a href="webcrypto.html#class-encapsulatedkey" class="type"><EncapsulatedKey></a>.</p>
<p>The algorithms currently supported include:</p>
<ul>
<li><code>'ML-KEM-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-55" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-768'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-56" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-1024'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-57" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
</div><div>
<h4><code>subtle.encrypt(algorithm, key, data)</code><span><a class="mark" href="#subtleencryptalgorithm-key-data" id="subtleencryptalgorithm-key-data">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_encrypt_algorithm_key_data"></a></h4>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.7.0</td>
<td><p>AES-OCB algorithm is now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ChaCha20-Poly1305 algorithm is now supported.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li><code>algorithm</code> <a href="webcrypto.html#class-rsaoaepparams" class="type"><RsaOaepParams></a> | <a href="webcrypto.html#class-aesctrparams" class="type"><AesCtrParams></a> | <a href="webcrypto.html#class-aescbcparams" class="type"><AesCbcParams></a> | <a href="webcrypto.html#class-aeadparams" class="type"><AeadParams></a></li>
<li><code>key</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
<li><code>data</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> upon success.</li>
</ul>
<p>Using the method and parameters specified by <code>algorithm</code> and the keying
material provided by <code>key</code>, this method attempts to encipher <code>data</code>.
If successful, the returned promise is resolved with an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a>
containing the encrypted result.</p>
<p>The algorithms currently supported include:</p>
<ul>
<li><code>'AES-CBC'</code></li>
<li><code>'AES-CTR'</code></li>
<li><code>'AES-GCM'</code></li>
<li><code>'AES-OCB'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-58" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ChaCha20-Poly1305'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-59" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'RSA-OAEP'</code></li>
</ul>
</div><div>
<h4><code>subtle.exportKey(format, key)</code><span><a class="mark" href="#subtleexportkeyformat-key" id="subtleexportkeyformat-key">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_exportkey_format_key"></a></h4>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.8.0</td>
<td><p>KMAC algorithms are now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ML-KEM algorithms are now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ChaCha20-Poly1305 algorithm is now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ML-DSA algorithms are now supported.</p></td></tr>
<tr><td>v18.4.0, v16.17.0</td>
<td><p>Added <code>'Ed25519'</code>, <code>'Ed448'</code>, <code>'X25519'</code>, and <code>'X448'</code> algorithms.</p></td></tr>
<tr><td>v15.9.0</td>
<td><p>Removed <code>'NODE-DSA'</code> JWK export.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li><code>format</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be one of <code>'raw'</code>, <code>'pkcs8'</code>, <code>'spki'</code>, <code>'jwk'</code>, <code>'raw-secret'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-60" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>,
<code>'raw-public'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-61" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>, or <code>'raw-seed'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-62" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>.</li>
<li><code>key</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object" class="type"><Object></a> upon success.</li>
</ul>
<p>Exports the given key into the specified format, if supported.</p>
<p>If the <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> is not extractable, the returned promise will reject.</p>
<p>When <code>format</code> is either <code>'pkcs8'</code> or <code>'spki'</code> and the export is successful,
the returned promise will be resolved with an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> containing the
exported key data.</p>
<p>When <code>format</code> is <code>'jwk'</code> and the export is successful, the returned promise
will be resolved with a JavaScript object conforming to the <a href="https://tools.ietf.org/html/rfc7517">JSON Web Key</a>
specification.</p>
<table><thead><tr><th>Supported Key Algorithm</th><th><code>'spki'</code></th><th><code>'pkcs8'</code></th><th><code>'jwk'</code></th><th><code>'raw'</code></th><th><code>'raw-secret'</code></th><th><code>'raw-public'</code></th><th><code>'raw-seed'</code></th></tr></thead><tbody><tr><td><code>'AES-CBC'</code></td><td></td><td></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td></tr><tr><td><code>'AES-CTR'</code></td><td></td><td></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td></tr><tr><td><code>'AES-GCM'</code></td><td></td><td></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td></tr><tr><td><code>'AES-KW'</code></td><td></td><td></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td></tr><tr><td><code>'AES-OCB'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-63" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td>✔</td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'ChaCha20-Poly1305'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-64" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td>✔</td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'ECDH'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td><td></td><td>✔</td><td></td></tr><tr><td><code>'ECDSA'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td><td></td><td>✔</td><td></td></tr><tr><td><code>'Ed25519'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td><td></td><td>✔</td><td></td></tr><tr><td><code>'Ed448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-10" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td><td></td><td>✔</td><td></td></tr><tr><td><code>'HMAC'</code></td><td></td><td></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td></tr><tr><td><code>'KMAC128'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-65" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td>✔</td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'KMAC256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-66" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td>✔</td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'ML-DSA-44'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-67" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-DSA-65'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-68" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-DSA-87'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-69" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-KEM-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-70" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td></td><td></td><td></td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-KEM-768'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-71" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td></td><td></td><td></td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-KEM-1024'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-72" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td></td><td></td><td></td><td>✔</td><td>✔</td></tr><tr><td><code>'RSA-OAEP'</code></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'RSA-PSS'</code></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'RSASSA-PKCS1-v1_5'</code></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td><td></td><td></td></tr></tbody></table>
</div><div>
<h4><code>subtle.getPublicKey(key, keyUsages)</code><span><a class="mark" href="#subtlegetpublickeykey-keyusages" id="subtlegetpublickeykey-keyusages">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_getpublickey_key_keyusages"></a></h4>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<p></p><div class="api_stability api_stability_1"><a href="documentation.html#stability-index">Stability: 1.1</a> - Active development</div><p></p>
<ul>
<li><code>key</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> A private key from which to derive the corresponding public key.</li>
<li><code>keyUsages</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string[]></a> See <a href="#cryptokeyusages">Key usages</a>.</li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with a <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> upon success.</li>
</ul>
<p>Derives the public key from a given private key.</p>
</div><div>
<h4><code>subtle.generateKey(algorithm, extractable, keyUsages)</code><span><a class="mark" href="#subtlegeneratekeyalgorithm-extractable-keyusages" id="subtlegeneratekeyalgorithm-extractable-keyusages">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_generatekey_algorithm_extractable_keyusages"></a></h4>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.8.0</td>
<td><p>KMAC algorithms are now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ML-KEM algorithms are now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ChaCha20-Poly1305 algorithm is now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ML-DSA algorithms are now supported.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<!--lint disable maximum-line-length remark-lint-->
<ul>
<li><code>algorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a> | <a href="webcrypto.html#class-rsahashedkeygenparams" class="type"><RsaHashedKeyGenParams></a> | <a href="webcrypto.html#class-eckeygenparams" class="type"><EcKeyGenParams></a> | <a href="webcrypto.html#class-hmackeygenparams" class="type"><HmacKeyGenParams></a> | <a href="webcrypto.html#class-aeskeygenparams" class="type"><AesKeyGenParams></a> | <a href="webcrypto.html#class-kmackeygenparams" class="type"><KmacKeyGenParams></a></li>
</ul>
<!--lint enable maximum-line-length remark-lint-->
<ul>
<li><code>extractable</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type" class="type"><boolean></a></li>
<li><code>keyUsages</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string[]></a> See <a href="#cryptokeyusages">Key usages</a>.</li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with a <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> | <a href="webcrypto.html#class-cryptokeypair" class="type"><CryptoKeyPair></a> upon success.</li>
</ul>
<p>Using the parameters provided in <code>algorithm</code>, this method
attempts to generate new keying material. Depending on the algorithm used
either a single <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> or a <a href="webcrypto.html#class-cryptokeypair" class="type"><CryptoKeyPair></a> is generated.</p>
<p>The <a href="webcrypto.html#class-cryptokeypair" class="type"><CryptoKeyPair></a> (public and private key) generating algorithms supported
include:</p>
<ul>
<li><code>'ECDH'</code></li>
<li><code>'ECDSA'</code></li>
<li><code>'Ed25519'</code></li>
<li><code>'Ed448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-11" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></li>
<li><code>'ML-DSA-44'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-73" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-DSA-65'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-74" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-DSA-87'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-75" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-76" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-768'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-77" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-1024'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-78" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'RSA-OAEP'</code></li>
<li><code>'RSA-PSS'</code></li>
<li><code>'RSASSA-PKCS1-v1_5'</code></li>
<li><code>'X25519'</code></li>
<li><code>'X448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-12" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></li>
</ul>
<p>The <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> (secret key) generating algorithms supported include:</p>
<ul>
<li><code>'AES-CBC'</code></li>
<li><code>'AES-CTR'</code></li>
<li><code>'AES-GCM'</code></li>
<li><code>'AES-KW'</code></li>
<li><code>'AES-OCB'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-79" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ChaCha20-Poly1305'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-80" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'HMAC'</code></li>
<li><code>'KMAC128'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-81" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'KMAC256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-82" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
</div><div>
<h4><code>subtle.importKey(format, keyData, algorithm, extractable, keyUsages)</code><span><a class="mark" href="#subtleimportkeyformat-keydata-algorithm-extractable-keyusages" id="subtleimportkeyformat-keydata-algorithm-extractable-keyusages">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_importkey_format_keydata_algorithm_extractable_keyusages"></a></h4>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.8.0</td>
<td><p>KMAC algorithms are now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ML-KEM algorithms are now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ChaCha20-Poly1305 algorithm is now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ML-DSA algorithms are now supported.</p></td></tr>
<tr><td>v18.4.0, v16.17.0</td>
<td><p>Added <code>'Ed25519'</code>, <code>'Ed448'</code>, <code>'X25519'</code>, and <code>'X448'</code> algorithms.</p></td></tr>
<tr><td>v15.9.0</td>
<td><p>Removed <code>'NODE-DSA'</code> JWK import.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li><code>format</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be one of <code>'raw'</code>, <code>'pkcs8'</code>, <code>'spki'</code>, <code>'jwk'</code>, <code>'raw-secret'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-83" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>,
<code>'raw-public'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-84" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>, or <code>'raw-seed'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-85" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>.</li>
<li><code>keyData</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object" class="type"><Object></a></li>
</ul>
<!--lint disable maximum-line-length remark-lint-->
<ul>
<li><code>algorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a> | <a href="webcrypto.html#class-rsahashedimportparams" class="type"><RsaHashedImportParams></a> | <a href="webcrypto.html#class-eckeyimportparams" class="type"><EcKeyImportParams></a> | <a href="webcrypto.html#class-hmacimportparams" class="type"><HmacImportParams></a> | <a href="webcrypto.html#class-kmacimportparams" class="type"><KmacImportParams></a></li>
</ul>
<!--lint enable maximum-line-length remark-lint-->
<ul>
<li><code>extractable</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type" class="type"><boolean></a></li>
<li><code>keyUsages</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string[]></a> See <a href="#cryptokeyusages">Key usages</a>.</li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with a <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> upon success.</li>
</ul>
<p>This method attempts to interpret the provided <code>keyData</code>
as the given <code>format</code> to create a <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> instance using the provided
<code>algorithm</code>, <code>extractable</code>, and <code>keyUsages</code> arguments. If the import is
successful, the returned promise will be resolved with a <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a>
representation of the key material.</p>
<p>If importing KDF algorithm keys, <code>extractable</code> must be <code>false</code>.</p>
<p>The algorithms currently supported include:</p>
<table><thead><tr><th>Supported Key Algorithm</th><th><code>'spki'</code></th><th><code>'pkcs8'</code></th><th><code>'jwk'</code></th><th><code>'raw'</code></th><th><code>'raw-secret'</code></th><th><code>'raw-public'</code></th><th><code>'raw-seed'</code></th></tr></thead><tbody><tr><td><code>'AES-CBC'</code></td><td></td><td></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td></tr><tr><td><code>'AES-CTR'</code></td><td></td><td></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td></tr><tr><td><code>'AES-GCM'</code></td><td></td><td></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td></tr><tr><td><code>'AES-KW'</code></td><td></td><td></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td></tr><tr><td><code>'AES-OCB'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-86" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td>✔</td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'Argon2d'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-87" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'Argon2i'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-88" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'Argon2id'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-89" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td></td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'ChaCha20-Poly1305'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-90" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td>✔</td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'ECDH'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td><td></td><td>✔</td><td></td></tr><tr><td><code>'ECDSA'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td><td></td><td>✔</td><td></td></tr><tr><td><code>'Ed25519'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td><td></td><td>✔</td><td></td></tr><tr><td><code>'Ed448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-13" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td><td></td><td>✔</td><td></td></tr><tr><td><code>'HDKF'</code></td><td></td><td></td><td></td><td>✔</td><td>✔</td><td></td><td></td></tr><tr><td><code>'HMAC'</code></td><td></td><td></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td></tr><tr><td><code>'KMAC128'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-91" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td>✔</td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'KMAC256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-92" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td></td><td></td><td>✔</td><td></td><td>✔</td><td></td><td></td></tr><tr><td><code>'ML-DSA-44'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-93" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-DSA-65'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-94" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-DSA-87'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-95" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-KEM-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-96" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td></td><td></td><td></td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-KEM-768'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-97" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td></td><td></td><td></td><td>✔</td><td>✔</td></tr><tr><td><code>'ML-KEM-1024'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-98" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></td><td>✔</td><td>✔</td><td></td><td></td><td></td><td>✔</td><td>✔</td></tr><tr><td><code>'PBKDF2'</code></td><td></td><td></td><td></td><td>✔</td><td>✔</td><td></td><td></td></tr><tr><td><code>'RSA-OAEP'</code></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'RSA-PSS'</code></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'RSASSA-PKCS1-v1_5'</code></td><td>✔</td><td>✔</td><td>✔</td><td></td><td></td><td></td><td></td></tr><tr><td><code>'X25519'</code></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td><td></td><td>✔</td><td></td></tr><tr><td><code>'X448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-14" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></td><td>✔</td><td>✔</td><td>✔</td><td>✔</td><td></td><td>✔</td><td></td></tr></tbody></table>
</div><div>
<h4><code>subtle.sign(algorithm, key, data)</code><span><a class="mark" href="#subtlesignalgorithm-key-data" id="subtlesignalgorithm-key-data">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_sign_algorithm_key_data"></a></h4>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.8.0</td>
<td><p>KMAC algorithms are now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ML-DSA algorithms are now supported.</p></td></tr>
<tr><td>v18.4.0, v16.17.0</td>
<td><p>Added <code>'Ed25519'</code>, and <code>'Ed448'</code> algorithms.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<!--lint disable maximum-line-length remark-lint-->
<ul>
<li><code>algorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a> | <a href="webcrypto.html#class-rsapssparams" class="type"><RsaPssParams></a> | <a href="webcrypto.html#class-ecdsaparams" class="type"><EcdsaParams></a> | <a href="webcrypto.html#class-contextparams" class="type"><ContextParams></a> | <a href="webcrypto.html#class-kmacparams" class="type"><KmacParams></a></li>
<li><code>key</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
<li><code>data</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> upon success.</li>
</ul>
<!--lint enable maximum-line-length remark-lint-->
<p>Using the method and parameters given by <code>algorithm</code> and the keying material
provided by <code>key</code>, this method attempts to generate a cryptographic
signature of <code>data</code>. If successful, the returned promise is resolved with
an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> containing the generated signature.</p>
<p>The algorithms currently supported include:</p>
<ul>
<li><code>'ECDSA'</code></li>
<li><code>'Ed25519'</code></li>
<li><code>'Ed448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-15" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></li>
<li><code>'HMAC'</code></li>
<li><code>'KMAC128'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-99" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'KMAC256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-100" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-DSA-44'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-101" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-DSA-65'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-102" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-DSA-87'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-103" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'RSA-PSS'</code></li>
<li><code>'RSASSA-PKCS1-v1_5'</code></li>
</ul>
</div><div>
<h4><code>subtle.unwrapKey(format, wrappedKey, unwrappingKey, unwrapAlgo, unwrappedKeyAlgo, extractable, keyUsages)</code><span><a class="mark" href="#subtleunwrapkeyformat-wrappedkey-unwrappingkey-unwrapalgo-unwrappedkeyalgo-extractable-keyusages" id="subtleunwrapkeyformat-wrappedkey-unwrappingkey-unwrapalgo-unwrappedkeyalgo-extractable-keyusages">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_unwrapkey_format_wrappedkey_unwrappingkey_unwrapalgo_unwrappedkeyalgo_extractable_keyusages"></a></h4>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.7.0</td>
<td><p>AES-OCB algorithm is now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ChaCha20-Poly1305 algorithm is now supported.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li><code>format</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be one of <code>'raw'</code>, <code>'pkcs8'</code>, <code>'spki'</code>, <code>'jwk'</code>, <code>'raw-secret'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-104" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>,
<code>'raw-public'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-105" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>, or <code>'raw-seed'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-106" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>.</li>
<li><code>wrappedKey</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
<li><code>unwrappingKey</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
</ul>
<!--lint disable maximum-line-length remark-lint-->
<ul>
<li><code>unwrapAlgo</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a> | <a href="webcrypto.html#class-rsaoaepparams" class="type"><RsaOaepParams></a> | <a href="webcrypto.html#class-aesctrparams" class="type"><AesCtrParams></a> | <a href="webcrypto.html#class-aescbcparams" class="type"><AesCbcParams></a> | <a href="webcrypto.html#class-aeadparams" class="type"><AeadParams></a></li>
<li><code>unwrappedKeyAlgo</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a> | <a href="webcrypto.html#class-rsahashedimportparams" class="type"><RsaHashedImportParams></a> | <a href="webcrypto.html#class-eckeyimportparams" class="type"><EcKeyImportParams></a> | <a href="webcrypto.html#class-hmacimportparams" class="type"><HmacImportParams></a> | <a href="webcrypto.html#class-kmacimportparams" class="type"><KmacImportParams></a></li>
</ul>
<!--lint enable maximum-line-length remark-lint-->
<ul>
<li><code>extractable</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type" class="type"><boolean></a></li>
<li><code>keyUsages</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string[]></a> See <a href="#cryptokeyusages">Key usages</a>.</li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with a <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> upon success.</li>
</ul>
<p>In cryptography, "wrapping a key" refers to exporting and then encrypting the
keying material. This method attempts to decrypt a wrapped
key and create a <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> instance. It is equivalent to calling
<a href="#subtledecryptalgorithm-key-data"><code>subtle.decrypt()</code></a> first on the encrypted key data (using the <code>wrappedKey</code>,
<code>unwrapAlgo</code>, and <code>unwrappingKey</code> arguments as input) then passing the results
to the <a href="#subtleimportkeyformat-keydata-algorithm-extractable-keyusages"><code>subtle.importKey()</code></a> method using the <code>unwrappedKeyAlgo</code>,
<code>extractable</code>, and <code>keyUsages</code> arguments as inputs. If successful, the returned
promise is resolved with a <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a> object.</p>
<p>The wrapping algorithms currently supported include:</p>
<ul>
<li><code>'AES-CBC'</code></li>
<li><code>'AES-CTR'</code></li>
<li><code>'AES-GCM'</code></li>
<li><code>'AES-KW'</code></li>
<li><code>'AES-OCB'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-107" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ChaCha20-Poly1305'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-108" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'RSA-OAEP'</code></li>
</ul>
<p>The unwrapped key algorithms supported include:</p>
<ul>
<li><code>'AES-CBC'</code></li>
<li><code>'AES-CTR'</code></li>
<li><code>'AES-GCM'</code></li>
<li><code>'AES-KW'</code></li>
<li><code>'AES-OCB'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-109" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ChaCha20-Poly1305'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-110" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ECDH'</code></li>
<li><code>'ECDSA'</code></li>
<li><code>'Ed25519'</code></li>
<li><code>'Ed448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-16" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></li>
<li><code>'HMAC'</code></li>
<li><code>'KMAC128'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-17" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></li>
<li><code>'KMAC256'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-18" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></li>
<li><code>'ML-DSA-44'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-111" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-DSA-65'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-112" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-DSA-87'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-113" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-114" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-768'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-115" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-KEM-1024'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-116" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>v</li>
<li><code>'RSA-OAEP'</code></li>
<li><code>'RSA-PSS'</code></li>
<li><code>'RSASSA-PKCS1-v1_5'</code></li>
<li><code>'X25519'</code></li>
<li><code>'X448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-19" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></li>
</ul>
</div><div>
<h4><code>subtle.verify(algorithm, key, signature, data)</code><span><a class="mark" href="#subtleverifyalgorithm-key-signature-data" id="subtleverifyalgorithm-key-signature-data">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_verify_algorithm_key_signature_data"></a></h4>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.8.0</td>
<td><p>KMAC algorithms are now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ML-DSA algorithms are now supported.</p></td></tr>
<tr><td>v18.4.0, v16.17.0</td>
<td><p>Added <code>'Ed25519'</code>, and <code>'Ed448'</code> algorithms.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<!--lint disable maximum-line-length remark-lint-->
<ul>
<li><code>algorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a> | <a href="webcrypto.html#class-rsapssparams" class="type"><RsaPssParams></a> | <a href="webcrypto.html#class-ecdsaparams" class="type"><EcdsaParams></a> | <a href="webcrypto.html#class-contextparams" class="type"><ContextParams></a> | <a href="webcrypto.html#class-kmacparams" class="type"><KmacParams></a></li>
<li><code>key</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
<li><code>signature</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
<li><code>data</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with a <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type" class="type"><boolean></a> upon success.</li>
</ul>
<!--lint enable maximum-line-length remark-lint-->
<p>Using the method and parameters given in <code>algorithm</code> and the keying material
provided by <code>key</code>, this method attempts to verify that <code>signature</code> is
a valid cryptographic signature of <code>data</code>. The returned promise is resolved
with either <code>true</code> or <code>false</code>.</p>
<p>The algorithms currently supported include:</p>
<ul>
<li><code>'ECDSA'</code></li>
<li><code>'Ed25519'</code></li>
<li><code>'Ed448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-20" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></li>
<li><code>'HMAC'</code></li>
<li><code>'KMAC128'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-21" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></li>
<li><code>'KMAC256'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-22" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup></li>
<li><code>'ML-DSA-44'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-117" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-DSA-65'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-118" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ML-DSA-87'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-119" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'RSA-PSS'</code></li>
<li><code>'RSASSA-PKCS1-v1_5'</code></li>
</ul>
</div><div>
<h4><code>subtle.wrapKey(format, key, wrappingKey, wrapAlgo)</code><span><a class="mark" href="#subtlewrapkeyformat-key-wrappingkey-wrapalgo" id="subtlewrapkeyformat-key-wrappingkey-wrapalgo">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_subtle_wrapkey_format_key_wrappingkey_wrapalgo"></a></h4>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.7.0</td>
<td><p>AES-OCB algorithm is now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p>ChaCha20-Poly1305 algorithm is now supported.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<!--lint disable maximum-line-length remark-lint-->
<ul>
<li><code>format</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be one of <code>'raw'</code>, <code>'pkcs8'</code>, <code>'spki'</code>, <code>'jwk'</code>, <code>'raw-secret'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-120" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>,
<code>'raw-public'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-121" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>, or <code>'raw-seed'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-122" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>.</li>
<li><code>key</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
<li><code>wrappingKey</code> <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
<li><code>wrapAlgo</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a> | <a href="webcrypto.html#class-rsaoaepparams" class="type"><RsaOaepParams></a> | <a href="webcrypto.html#class-aesctrparams" class="type"><AesCtrParams></a> | <a href="webcrypto.html#class-aescbcparams" class="type"><AesCbcParams></a> | <a href="webcrypto.html#class-aeadparams" class="type"><AeadParams></a></li>
<li>Returns: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise" class="type"><Promise></a> Fulfills with an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> upon success.</li>
</ul>
<!--lint enable maximum-line-length remark-lint-->
<p>In cryptography, "wrapping a key" refers to exporting and then encrypting the
keying material. This method exports the keying material into
the format identified by <code>format</code>, then encrypts it using the method and
parameters specified by <code>wrapAlgo</code> and the keying material provided by
<code>wrappingKey</code>. It is the equivalent to calling <a href="#subtleexportkeyformat-key"><code>subtle.exportKey()</code></a> using
<code>format</code> and <code>key</code> as the arguments, then passing the result to the
<a href="#subtleencryptalgorithm-key-data"><code>subtle.encrypt()</code></a> method using <code>wrappingKey</code> and <code>wrapAlgo</code> as inputs. If
successful, the returned promise will be resolved with an <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a>
containing the encrypted key data.</p>
<p>The wrapping algorithms currently supported include:</p>
<ul>
<li><code>'AES-CBC'</code></li>
<li><code>'AES-CTR'</code></li>
<li><code>'AES-GCM'</code></li>
<li><code>'AES-KW'</code></li>
<li><code>'AES-OCB'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-123" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'ChaCha20-Poly1305'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-124" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'RSA-OAEP'</code></li>
</ul>
</div>
</section><section><h3>Algorithm parameters<span><a class="mark" href="#algorithm-parameters" id="algorithm-parameters">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_algorithm_parameters"></a></h3>
<p>The algorithm parameter objects define the methods and parameters used by
the various <a href="webcrypto.html#class-subtlecrypto" class="type"><SubtleCrypto></a> methods. While described here as "classes", they
are simple JavaScript dictionary objects.</p>
<div>
<h4>Class: <code>Algorithm</code><span><a class="mark" href="#class-algorithm" id="class-algorithm">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_algorithm"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>Algorithm.name</code><span><a class="mark" href="#algorithmname" id="algorithmname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_algorithm_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a></li>
</ul>
</div></div><div>
<h4>Class: <code>AeadParams</code><span><a class="mark" href="#class-aeadparams" id="class-aeadparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_aeadparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>aeadParams.additionalData</code><span><a class="mark" href="#aeadparamsadditionaldata" id="aeadparamsadditionaldata">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aeadparams_additionaldata"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#undefined_type" class="type"><undefined></a></li>
</ul>
<p>Extra input that is not encrypted but is included in the authentication
of the data. The use of <code>additionalData</code> is optional.</p>
</div><div>
<h5><code>aeadParams.iv</code><span><a class="mark" href="#aeadparamsiv" id="aeadparamsiv">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aeadparams_iv"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
</ul>
<p>The initialization vector must be unique for every encryption operation using a
given key.</p>
</div><div>
<h5><code>aeadParams.name</code><span><a class="mark" href="#aeadparamsname" id="aeadparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aeadparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'AES-GCM'</code>, <code>'AES-OCB'</code>, or <code>'ChaCha20-Poly1305'</code>.</li>
</ul>
</div><div>
<h5><code>aeadParams.tagLength</code><span><a class="mark" href="#aeadparamstaglength" id="aeadparamstaglength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aeadparams_taglength"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a> The size in bits of the generated authentication tag.</li>
</ul>
</div></div><div>
<h4>Class: <code>AesDerivedKeyParams</code><span><a class="mark" href="#class-aesderivedkeyparams" id="class-aesderivedkeyparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_aesderivedkeyparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>aesDerivedKeyParams.name</code><span><a class="mark" href="#aesderivedkeyparamsname" id="aesderivedkeyparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aesderivedkeyparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be one of <code>'AES-CBC'</code>, <code>'AES-CTR'</code>, <code>'AES-GCM'</code>, <code>'AES-OCB'</code>, or <code>'AES-KW'</code></li>
</ul>
</div><div>
<h5><code>aesDerivedKeyParams.length</code><span><a class="mark" href="#aesderivedkeyparamslength" id="aesderivedkeyparamslength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aesderivedkeyparams_length"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The length of the AES key to be derived. This must be either <code>128</code>, <code>192</code>,
or <code>256</code>.</p>
</div></div><div>
<h4>Class: <code>AesCbcParams</code><span><a class="mark" href="#class-aescbcparams" id="class-aescbcparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_aescbcparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>aesCbcParams.iv</code><span><a class="mark" href="#aescbcparamsiv" id="aescbcparamsiv">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aescbcparams_iv"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
</ul>
<p>Provides the initialization vector. It must be exactly 16-bytes in length
and should be unpredictable and cryptographically random.</p>
</div><div>
<h5><code>aesCbcParams.name</code><span><a class="mark" href="#aescbcparamsname" id="aescbcparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aescbcparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'AES-CBC'</code>.</li>
</ul>
</div></div><div>
<h4>Class: <code>AesCtrParams</code><span><a class="mark" href="#class-aesctrparams" id="class-aesctrparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_aesctrparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>aesCtrParams.counter</code><span><a class="mark" href="#aesctrparamscounter" id="aesctrparamscounter">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aesctrparams_counter"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
</ul>
<p>The initial value of the counter block. This must be exactly 16 bytes long.</p>
<p>The <code>AES-CTR</code> method uses the rightmost <code>length</code> bits of the block as the
counter and the remaining bits as the nonce.</p>
</div><div>
<h5><code>aesCtrParams.length</code><span><a class="mark" href="#aesctrparamslength" id="aesctrparamslength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aesctrparams_length"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a> The number of bits in the <code>aesCtrParams.counter</code> that are
to be used as the counter.</li>
</ul>
</div><div>
<h5><code>aesCtrParams.name</code><span><a class="mark" href="#aesctrparamsname" id="aesctrparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aesctrparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'AES-CTR'</code>.</li>
</ul>
</div></div><div>
<h4>Class: <code>AesKeyAlgorithm</code><span><a class="mark" href="#class-aeskeyalgorithm" id="class-aeskeyalgorithm">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_aeskeyalgorithm"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>aesKeyAlgorithm.length</code><span><a class="mark" href="#aeskeyalgorithmlength" id="aeskeyalgorithmlength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aeskeyalgorithm_length"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The length of the AES key in bits.</p>
</div><div>
<h5><code>aesKeyAlgorithm.name</code><span><a class="mark" href="#aeskeyalgorithmname" id="aeskeyalgorithmname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aeskeyalgorithm_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a></li>
</ul>
</div></div><div>
<h4>Class: <code>AesKeyGenParams</code><span><a class="mark" href="#class-aeskeygenparams" id="class-aeskeygenparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_aeskeygenparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>aesKeyGenParams.length</code><span><a class="mark" href="#aeskeygenparamslength" id="aeskeygenparamslength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aeskeygenparams_length"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The length of the AES key to be generated. This must be either <code>128</code>, <code>192</code>,
or <code>256</code>.</p>
</div><div>
<h5><code>aesKeyGenParams.name</code><span><a class="mark" href="#aeskeygenparamsname" id="aeskeygenparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_aeskeygenparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be one of <code>'AES-CBC'</code>, <code>'AES-CTR'</code>, <code>'AES-GCM'</code>, or
<code>'AES-KW'</code></li>
</ul>
</div></div><div>
<h4>Class: <code>Argon2Params</code><span><a class="mark" href="#class-argon2params" id="class-argon2params">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_argon2params"></a></h4>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<div>
<h5><code>argon2Params.associatedData</code><span><a class="mark" href="#argon2paramsassociateddata" id="argon2paramsassociateddata">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_argon2params_associateddata"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
</ul>
<p>Represents the optional associated data.</p>
</div><div>
<h5><code>argon2Params.memory</code><span><a class="mark" href="#argon2paramsmemory" id="argon2paramsmemory">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_argon2params_memory"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>Represents the memory size in kibibytes. It must be at least 8 times the degree of parallelism.</p>
</div><div>
<h5><code>argon2Params.name</code><span><a class="mark" href="#argon2paramsname" id="argon2paramsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_argon2params_name"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be one of <code>'Argon2d'</code>, <code>'Argon2i'</code>, or <code>'Argon2id'</code>.</li>
</ul>
</div><div>
<h5><code>argon2Params.nonce</code><span><a class="mark" href="#argon2paramsnonce" id="argon2paramsnonce">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_argon2params_nonce"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
</ul>
<p>Represents the nonce, which is a salt for password hashing applications.</p>
</div><div>
<h5><code>argon2Params.parallelism</code><span><a class="mark" href="#argon2paramsparallelism" id="argon2paramsparallelism">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_argon2params_parallelism"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>Represents the degree of parallelism.</p>
</div><div>
<h5><code>argon2Params.passes</code><span><a class="mark" href="#argon2paramspasses" id="argon2paramspasses">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_argon2params_passes"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>Represents the number of passes.</p>
</div><div>
<h5><code>argon2Params.secretValue</code><span><a class="mark" href="#argon2paramssecretvalue" id="argon2paramssecretvalue">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_argon2params_secretvalue"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
</ul>
<p>Represents the optional secret value.</p>
</div><div>
<h5><code>argon2Params.version</code><span><a class="mark" href="#argon2paramsversion" id="argon2paramsversion">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_argon2params_version"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>Represents the Argon2 version number. The default and currently only defined version is <code>19</code> (<code>0x13</code>).</p>
</div></div><div>
<h4>Class: <code>ContextParams</code><span><a class="mark" href="#class-contextparams" id="class-contextparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_contextparams"></a></h4>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<div>
<h5><code>contextParams.name</code><span><a class="mark" href="#contextparamsname" id="contextparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_contextparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>Ed448</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-23" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup>, <code>'ML-DSA-44'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-125" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>,
<code>'ML-DSA-65'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-126" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>, or <code>'ML-DSA-87'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-127" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup>.</li>
</ul>
</div><div>
<h5><code>contextParams.context</code><span><a class="mark" href="#contextparamscontext" id="contextparamscontext">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_contextparams_context"></a></h5>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.8.0</td>
<td><p>Non-empty context is now supported.</p></td></tr>
<tr><td>v24.7.0</td>
<td><p><span>Added in: v24.7.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#undefined_type" class="type"><undefined></a></li>
</ul>
<p>The <code>context</code> member represents the optional context data to associate with
the message.</p>
</div></div><div>
<h4>Class: <code>CShakeParams</code><span><a class="mark" href="#class-cshakeparams" id="class-cshakeparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_cshakeparams"></a></h4>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<div>
<h5><code>cShakeParams.customization</code><span><a class="mark" href="#cshakeparamscustomization" id="cshakeparamscustomization">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_cshakeparams_customization"></a></h5>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#undefined_type" class="type"><undefined></a></li>
</ul>
<p>The <code>customization</code> member represents the customization string.
The Node.js Web Crypto API implementation only supports zero-length customization
which is equivalent to not providing customization at all.</p>
</div><div>
<h5><code>cShakeParams.functionName</code><span><a class="mark" href="#cshakeparamsfunctionname" id="cshakeparamsfunctionname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_cshakeparams_functionname"></a></h5>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#undefined_type" class="type"><undefined></a></li>
</ul>
<p>The <code>functionName</code> member represents represents the function name, used by NIST to define
functions based on cSHAKE.
The Node.js Web Crypto API implementation only supports zero-length functionName
which is equivalent to not providing functionName at all.</p>
</div><div>
<h5><code>cShakeParams.length</code><span><a class="mark" href="#cshakeparamslength" id="cshakeparamslength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_cshakeparams_length"></a></h5>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a> represents the requested output length in bits.</li>
</ul>
</div><div>
<h5><code>cShakeParams.name</code><span><a class="mark" href="#cshakeparamsname" id="cshakeparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_cshakeparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'cSHAKE128'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-128" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup> or <code>'cSHAKE256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-129" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
</div></div><div>
<h4>Class: <code>EcdhKeyDeriveParams</code><span><a class="mark" href="#class-ecdhkeyderiveparams" id="class-ecdhkeyderiveparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_ecdhkeyderiveparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>ecdhKeyDeriveParams.name</code><span><a class="mark" href="#ecdhkeyderiveparamsname" id="ecdhkeyderiveparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_ecdhkeyderiveparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'ECDH'</code>, <code>'X25519'</code>, or <code>'X448'</code><sup><a href="#user-content-fn-secure-curves" id="user-content-fnref-secure-curves-24" data-footnote-ref="" aria-describedby="footnote-label">5</a></sup>.</li>
</ul>
</div><div>
<h5><code>ecdhKeyDeriveParams.public</code><span><a class="mark" href="#ecdhkeyderiveparamspublic" id="ecdhkeyderiveparamspublic">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_ecdhkeyderiveparams_public"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
</ul>
<p>ECDH key derivation operates by taking as input one parties private key and
another parties public key -- using both to generate a common shared secret.
The <code>ecdhKeyDeriveParams.public</code> property is set to the other parties public
key.</p>
</div></div><div>
<h4>Class: <code>EcdsaParams</code><span><a class="mark" href="#class-ecdsaparams" id="class-ecdsaparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_ecdsaparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>ecdsaParams.hash</code><span><a class="mark" href="#ecdsaparamshash" id="ecdsaparamshash">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_ecdsaparams_hash"></a></h5>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.7.0</td>
<td><p>SHA-3 algorithms are now supported.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
</ul>
<p>If represented as a <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a>, the value must be one of:</p>
<ul>
<li><code>'SHA-1'</code></li>
<li><code>'SHA-256'</code></li>
<li><code>'SHA-384'</code></li>
<li><code>'SHA-512'</code></li>
<li><code>'SHA3-256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-130" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-384'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-131" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-132" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
<p>If represented as an <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a>, the object's <code>name</code> property
must be one of the above listed values.</p>
</div><div>
<h5><code>ecdsaParams.name</code><span><a class="mark" href="#ecdsaparamsname" id="ecdsaparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_ecdsaparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'ECDSA'</code>.</li>
</ul>
</div></div><div>
<h4>Class: <code>EcKeyAlgorithm</code><span><a class="mark" href="#class-eckeyalgorithm" id="class-eckeyalgorithm">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_eckeyalgorithm"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>ecKeyAlgorithm.name</code><span><a class="mark" href="#eckeyalgorithmname" id="eckeyalgorithmname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_eckeyalgorithm_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a></li>
</ul>
</div><div>
<h5><code>ecKeyAlgorithm.namedCurve</code><span><a class="mark" href="#eckeyalgorithmnamedcurve" id="eckeyalgorithmnamedcurve">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_eckeyalgorithm_namedcurve"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a></li>
</ul>
</div></div><div>
<h4>Class: <code>EcKeyGenParams</code><span><a class="mark" href="#class-eckeygenparams" id="class-eckeygenparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_eckeygenparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>ecKeyGenParams.name</code><span><a class="mark" href="#eckeygenparamsname" id="eckeygenparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_eckeygenparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be one of <code>'ECDSA'</code> or <code>'ECDH'</code>.</li>
</ul>
</div><div>
<h5><code>ecKeyGenParams.namedCurve</code><span><a class="mark" href="#eckeygenparamsnamedcurve" id="eckeygenparamsnamedcurve">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_eckeygenparams_namedcurve"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be one of <code>'P-256'</code>, <code>'P-384'</code>, <code>'P-521'</code>.</li>
</ul>
</div></div><div>
<h4>Class: <code>EcKeyImportParams</code><span><a class="mark" href="#class-eckeyimportparams" id="class-eckeyimportparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_eckeyimportparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>ecKeyImportParams.name</code><span><a class="mark" href="#eckeyimportparamsname" id="eckeyimportparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_eckeyimportparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be one of <code>'ECDSA'</code> or <code>'ECDH'</code>.</li>
</ul>
</div><div>
<h5><code>ecKeyImportParams.namedCurve</code><span><a class="mark" href="#eckeyimportparamsnamedcurve" id="eckeyimportparamsnamedcurve">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_eckeyimportparams_namedcurve"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be one of <code>'P-256'</code>, <code>'P-384'</code>, <code>'P-521'</code>.</li>
</ul>
</div></div><div>
<h4>Class: <code>EncapsulatedBits</code><span><a class="mark" href="#class-encapsulatedbits" id="class-encapsulatedbits">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_encapsulatedbits"></a></h4>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<p>A temporary symmetric secret key (represented as <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a>) for message encryption
and the ciphertext (that can be transmitted to the message recipient along with the
message) encrypted by this shared key. The recipient uses their private key to determine
what the shared key is which then allows them to decrypt the message.</p>
<div>
<h5><code>encapsulatedBits.ciphertext</code><span><a class="mark" href="#encapsulatedbitsciphertext" id="encapsulatedbitsciphertext">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_encapsulatedbits_ciphertext"></a></h5>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a></li>
</ul>
</div><div>
<h5><code>encapsulatedBits.sharedKey</code><span><a class="mark" href="#encapsulatedbitssharedkey" id="encapsulatedbitssharedkey">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_encapsulatedbits_sharedkey"></a></h5>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a></li>
</ul>
</div></div><div>
<h4>Class: <code>EncapsulatedKey</code><span><a class="mark" href="#class-encapsulatedkey" id="class-encapsulatedkey">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_encapsulatedkey"></a></h4>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<p>A temporary symmetric secret key (represented as <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a>) for message encryption
and the ciphertext (that can be transmitted to the message recipient along with the
message) encrypted by this shared key. The recipient uses their private key to determine
what the shared key is which then allows them to decrypt the message.</p>
<div>
<h5><code>encapsulatedKey.ciphertext</code><span><a class="mark" href="#encapsulatedkeyciphertext" id="encapsulatedkeyciphertext">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_encapsulatedkey_ciphertext"></a></h5>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a></li>
</ul>
</div><div>
<h5><code>encapsulatedKey.sharedKey</code><span><a class="mark" href="#encapsulatedkeysharedkey" id="encapsulatedkeysharedkey">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_encapsulatedkey_sharedkey"></a></h5>
<div class="api_metadata">
<span>Added in: v24.7.0</span>
</div>
<ul>
<li>Type: <a href="webcrypto.html#class-cryptokey" class="type"><CryptoKey></a></li>
</ul>
</div></div><div>
<h4>Class: <code>HkdfParams</code><span><a class="mark" href="#class-hkdfparams" id="class-hkdfparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_hkdfparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>hkdfParams.hash</code><span><a class="mark" href="#hkdfparamshash" id="hkdfparamshash">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hkdfparams_hash"></a></h5>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.7.0</td>
<td><p>SHA-3 algorithms are now supported.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
</ul>
<p>If represented as a <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a>, the value must be one of:</p>
<ul>
<li><code>'SHA-1'</code></li>
<li><code>'SHA-256'</code></li>
<li><code>'SHA-384'</code></li>
<li><code>'SHA-512'</code></li>
<li><code>'SHA3-256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-133" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-384'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-134" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-135" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
<p>If represented as an <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a>, the object's <code>name</code> property
must be one of the above listed values.</p>
</div><div>
<h5><code>hkdfParams.info</code><span><a class="mark" href="#hkdfparamsinfo" id="hkdfparamsinfo">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hkdfparams_info"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
</ul>
<p>Provides application-specific contextual input to the HKDF algorithm.
This can be zero-length but must be provided.</p>
</div><div>
<h5><code>hkdfParams.name</code><span><a class="mark" href="#hkdfparamsname" id="hkdfparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hkdfparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'HKDF'</code>.</li>
</ul>
</div><div>
<h5><code>hkdfParams.salt</code><span><a class="mark" href="#hkdfparamssalt" id="hkdfparamssalt">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hkdfparams_salt"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
</ul>
<p>The salt value significantly improves the strength of the HKDF algorithm.
It should be random or pseudorandom and should be the same length as the
output of the digest function (for instance, if using <code>'SHA-256'</code> as the
digest, the salt should be 256-bits of random data).</p>
</div></div><div>
<h4>Class: <code>HmacImportParams</code><span><a class="mark" href="#class-hmacimportparams" id="class-hmacimportparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_hmacimportparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>hmacImportParams.hash</code><span><a class="mark" href="#hmacimportparamshash" id="hmacimportparamshash">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hmacimportparams_hash"></a></h5>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.7.0</td>
<td><p>SHA-3 algorithms are now supported.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
</ul>
<p>If represented as a <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a>, the value must be one of:</p>
<ul>
<li><code>'SHA-1'</code></li>
<li><code>'SHA-256'</code></li>
<li><code>'SHA-384'</code></li>
<li><code>'SHA-512'</code></li>
<li><code>'SHA3-256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-136" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-384'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-137" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-138" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
<p>If represented as an <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a>, the object's <code>name</code> property
must be one of the above listed values.</p>
</div><div>
<h5><code>hmacImportParams.length</code><span><a class="mark" href="#hmacimportparamslength" id="hmacimportparamslength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hmacimportparams_length"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The optional number of bits in the HMAC key. This is optional and should
be omitted for most cases.</p>
</div><div>
<h5><code>hmacImportParams.name</code><span><a class="mark" href="#hmacimportparamsname" id="hmacimportparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hmacimportparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'HMAC'</code>.</li>
</ul>
</div></div><div>
<h4>Class: <code>HmacKeyAlgorithm</code><span><a class="mark" href="#class-hmackeyalgorithm" id="class-hmackeyalgorithm">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_hmackeyalgorithm"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>hmacKeyAlgorithm.hash</code><span><a class="mark" href="#hmackeyalgorithmhash" id="hmackeyalgorithmhash">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hmackeyalgorithm_hash"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
</ul>
</div><div>
<h5><code>hmacKeyAlgorithm.length</code><span><a class="mark" href="#hmackeyalgorithmlength" id="hmackeyalgorithmlength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hmackeyalgorithm_length"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The length of the HMAC key in bits.</p>
</div><div>
<h5><code>hmacKeyAlgorithm.name</code><span><a class="mark" href="#hmackeyalgorithmname" id="hmackeyalgorithmname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hmackeyalgorithm_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a></li>
</ul>
</div></div><div>
<h4>Class: <code>HmacKeyGenParams</code><span><a class="mark" href="#class-hmackeygenparams" id="class-hmackeygenparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_hmackeygenparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>hmacKeyGenParams.hash</code><span><a class="mark" href="#hmackeygenparamshash" id="hmackeygenparamshash">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hmackeygenparams_hash"></a></h5>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.7.0</td>
<td><p>SHA-3 algorithms are now supported.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
</ul>
<p>If represented as a <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a>, the value must be one of:</p>
<ul>
<li><code>'SHA-1'</code></li>
<li><code>'SHA-256'</code></li>
<li><code>'SHA-384'</code></li>
<li><code>'SHA-512'</code></li>
<li><code>'SHA3-256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-139" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-384'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-140" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-141" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
<p>If represented as an <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a>, the object's <code>name</code> property
must be one of the above listed values.</p>
</div><div>
<h5><code>hmacKeyGenParams.length</code><span><a class="mark" href="#hmackeygenparamslength" id="hmackeygenparamslength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hmackeygenparams_length"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The number of bits to generate for the HMAC key. If omitted,
the length will be determined by the hash algorithm used.
This is optional and should be omitted for most cases.</p>
</div><div>
<h5><code>hmacKeyGenParams.name</code><span><a class="mark" href="#hmackeygenparamsname" id="hmackeygenparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_hmackeygenparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'HMAC'</code>.</li>
</ul>
</div></div><div>
<h4>Class: <code>KeyAlgorithm</code><span><a class="mark" href="#class-keyalgorithm" id="class-keyalgorithm">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_keyalgorithm"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>keyAlgorithm.name</code><span><a class="mark" href="#keyalgorithmname" id="keyalgorithmname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_keyalgorithm_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a></li>
</ul>
</div></div><div>
<h4>Class: <code>KmacImportParams</code><span><a class="mark" href="#class-kmacimportparams" id="class-kmacimportparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_kmacimportparams"></a></h4>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<div>
<h5><code>kmacImportParams.length</code><span><a class="mark" href="#kmacimportparamslength" id="kmacimportparamslength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_kmacimportparams_length"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The optional number of bits in the KMAC key. This is optional and should
be omitted for most cases.</p>
</div><div>
<h5><code>kmacImportParams.name</code><span><a class="mark" href="#kmacimportparamsname" id="kmacimportparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_kmacimportparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'KMAC128'</code> or <code>'KMAC256'</code>.</li>
</ul>
</div></div><div>
<h4>Class: <code>KmacKeyAlgorithm</code><span><a class="mark" href="#class-kmackeyalgorithm" id="class-kmackeyalgorithm">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_kmackeyalgorithm"></a></h4>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<div>
<h5><code>kmacKeyAlgorithm.length</code><span><a class="mark" href="#kmackeyalgorithmlength" id="kmackeyalgorithmlength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_kmackeyalgorithm_length"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The length of the KMAC key in bits.</p>
</div><div>
<h5><code>kmacKeyAlgorithm.name</code><span><a class="mark" href="#kmackeyalgorithmname" id="kmackeyalgorithmname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_kmackeyalgorithm_name"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a></li>
</ul>
</div></div><div>
<h4>Class: <code>KmacKeyGenParams</code><span><a class="mark" href="#class-kmackeygenparams" id="class-kmackeygenparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_kmackeygenparams"></a></h4>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<div>
<h5><code>kmacKeyGenParams.length</code><span><a class="mark" href="#kmackeygenparamslength" id="kmackeygenparamslength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_kmackeygenparams_length"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The number of bits to generate for the KMAC key. If omitted,
the length will be determined by the KMAC algorithm used.
This is optional and should be omitted for most cases.</p>
</div><div>
<h5><code>kmacKeyGenParams.name</code><span><a class="mark" href="#kmackeygenparamsname" id="kmackeygenparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_kmackeygenparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'KMAC128'</code> or <code>'KMAC256'</code>.</li>
</ul>
</div></div><div>
<h4>Class: <code>KmacParams</code><span><a class="mark" href="#class-kmacparams" id="class-kmacparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_kmacparams"></a></h4>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<div>
<h5><code>kmacParams.algorithm</code><span><a class="mark" href="#kmacparamsalgorithm" id="kmacparamsalgorithm">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_kmacparams_algorithm"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'KMAC128'</code> or <code>'KMAC256'</code>.</li>
</ul>
</div><div>
<h5><code>kmacParams.customization</code><span><a class="mark" href="#kmacparamscustomization" id="kmacparamscustomization">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_kmacparams_customization"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#undefined_type" class="type"><undefined></a></li>
</ul>
<p>The <code>customization</code> member represents the optional customization string.</p>
</div><div>
<h5><code>kmacParams.length</code><span><a class="mark" href="#kmacparamslength" id="kmacparamslength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_kmacparams_length"></a></h5>
<div class="api_metadata">
<span>Added in: v24.8.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The length of the output in bytes. This must be a positive integer.</p>
</div></div><div>
<h4>Class: <code>Pbkdf2Params</code><span><a class="mark" href="#class-pbkdf2params" id="class-pbkdf2params">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_pbkdf2params"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>pbkdf2Params.hash</code><span><a class="mark" href="#pbkdf2paramshash" id="pbkdf2paramshash">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_pbkdf2params_hash"></a></h5>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.7.0</td>
<td><p>SHA-3 algorithms are now supported.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
</ul>
<p>If represented as a <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a>, the value must be one of:</p>
<ul>
<li><code>'SHA-1'</code></li>
<li><code>'SHA-256'</code></li>
<li><code>'SHA-384'</code></li>
<li><code>'SHA-512'</code></li>
<li><code>'SHA3-256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-142" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-384'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-143" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-144" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
<p>If represented as an <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a>, the object's <code>name</code> property
must be one of the above listed values.</p>
</div><div>
<h5><code>pbkdf2Params.iterations</code><span><a class="mark" href="#pbkdf2paramsiterations" id="pbkdf2paramsiterations">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_pbkdf2params_iterations"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The number of iterations the PBKDF2 algorithm should make when deriving bits.</p>
</div><div>
<h5><code>pbkdf2Params.name</code><span><a class="mark" href="#pbkdf2paramsname" id="pbkdf2paramsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_pbkdf2params_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'PBKDF2'</code>.</li>
</ul>
</div><div>
<h5><code>pbkdf2Params.salt</code><span><a class="mark" href="#pbkdf2paramssalt" id="pbkdf2paramssalt">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_pbkdf2params_salt"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
</ul>
<p>Should be at least 16 random or pseudorandom bytes.</p>
</div></div><div>
<h4>Class: <code>RsaHashedImportParams</code><span><a class="mark" href="#class-rsahashedimportparams" id="class-rsahashedimportparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_rsahashedimportparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>rsaHashedImportParams.hash</code><span><a class="mark" href="#rsahashedimportparamshash" id="rsahashedimportparamshash">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsahashedimportparams_hash"></a></h5>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.7.0</td>
<td><p>SHA-3 algorithms are now supported.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
</ul>
<p>If represented as a <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a>, the value must be one of:</p>
<ul>
<li><code>'SHA-1'</code></li>
<li><code>'SHA-256'</code></li>
<li><code>'SHA-384'</code></li>
<li><code>'SHA-512'</code></li>
<li><code>'SHA3-256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-145" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-384'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-146" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-147" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
<p>If represented as an <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a>, the object's <code>name</code> property
must be one of the above listed values.</p>
</div><div>
<h5><code>rsaHashedImportParams.name</code><span><a class="mark" href="#rsahashedimportparamsname" id="rsahashedimportparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsahashedimportparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be one of <code>'RSASSA-PKCS1-v1_5'</code>, <code>'RSA-PSS'</code>, or
<code>'RSA-OAEP'</code>.</li>
</ul>
</div></div><div>
<h4>Class: <code>RsaHashedKeyAlgorithm</code><span><a class="mark" href="#class-rsahashedkeyalgorithm" id="class-rsahashedkeyalgorithm">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_rsahashedkeyalgorithm"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>rsaHashedKeyAlgorithm.hash</code><span><a class="mark" href="#rsahashedkeyalgorithmhash" id="rsahashedkeyalgorithmhash">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsahashedkeyalgorithm_hash"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
</ul>
</div><div>
<h5><code>rsaHashedKeyAlgorithm.modulusLength</code><span><a class="mark" href="#rsahashedkeyalgorithmmoduluslength" id="rsahashedkeyalgorithmmoduluslength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsahashedkeyalgorithm_moduluslength"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The length in bits of the RSA modulus.</p>
</div><div>
<h5><code>rsaHashedKeyAlgorithm.name</code><span><a class="mark" href="#rsahashedkeyalgorithmname" id="rsahashedkeyalgorithmname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsahashedkeyalgorithm_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a></li>
</ul>
</div><div>
<h5><code>rsaHashedKeyAlgorithm.publicExponent</code><span><a class="mark" href="#rsahashedkeyalgorithmpublicexponent" id="rsahashedkeyalgorithmpublicexponent">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsahashedkeyalgorithm_publicexponent"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array" class="type"><Uint8Array></a></li>
</ul>
<p>The RSA public exponent.</p>
</div></div><div>
<h4>Class: <code>RsaHashedKeyGenParams</code><span><a class="mark" href="#class-rsahashedkeygenparams" id="class-rsahashedkeygenparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_rsahashedkeygenparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>rsaHashedKeyGenParams.hash</code><span><a class="mark" href="#rsahashedkeygenparamshash" id="rsahashedkeygenparamshash">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsahashedkeygenparams_hash"></a></h5>
<div class="api_metadata">
<details class="changelog"><summary>History</summary>
<table>
<tbody><tr><th>Version</th><th>Changes</th></tr>
<tr><td>v24.7.0</td>
<td><p>SHA-3 algorithms are now supported.</p></td></tr>
<tr><td>v15.0.0</td>
<td><p><span>Added in: v15.0.0</span></p></td></tr>
</tbody></table>
</details>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> | <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a></li>
</ul>
<p>If represented as a <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a>, the value must be one of:</p>
<ul>
<li><code>'SHA-1'</code></li>
<li><code>'SHA-256'</code></li>
<li><code>'SHA-384'</code></li>
<li><code>'SHA-512'</code></li>
<li><code>'SHA3-256'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-148" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-384'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-149" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
<li><code>'SHA3-512'</code><sup><a href="#user-content-fn-modern-algos" id="user-content-fnref-modern-algos-150" data-footnote-ref="" aria-describedby="footnote-label">4</a></sup></li>
</ul>
<p>If represented as an <a href="webcrypto.html#class-algorithm" class="type"><Algorithm></a>, the object's <code>name</code> property
must be one of the above listed values.</p>
</div><div>
<h5><code>rsaHashedKeyGenParams.modulusLength</code><span><a class="mark" href="#rsahashedkeygenparamsmoduluslength" id="rsahashedkeygenparamsmoduluslength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsahashedkeygenparams_moduluslength"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The length in bits of the RSA modulus. As a best practice, this should be
at least <code>2048</code>.</p>
</div><div>
<h5><code>rsaHashedKeyGenParams.name</code><span><a class="mark" href="#rsahashedkeygenparamsname" id="rsahashedkeygenparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsahashedkeygenparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be one of <code>'RSASSA-PKCS1-v1_5'</code>, <code>'RSA-PSS'</code>, or
<code>'RSA-OAEP'</code>.</li>
</ul>
</div><div>
<h5><code>rsaHashedKeyGenParams.publicExponent</code><span><a class="mark" href="#rsahashedkeygenparamspublicexponent" id="rsahashedkeygenparamspublicexponent">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsahashedkeygenparams_publicexponent"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array" class="type"><Uint8Array></a></li>
</ul>
<p>The RSA public exponent. This must be a <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array" class="type"><Uint8Array></a> containing a big-endian,
unsigned integer that must fit within 32-bits. The <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array" class="type"><Uint8Array></a> may contain an
arbitrary number of leading zero-bits. The value must be a prime number. Unless
there is reason to use a different value, use <code>new Uint8Array([1, 0, 1])</code>
(65537) as the public exponent.</p>
</div></div><div>
<h4>Class: <code>RsaOaepParams</code><span><a class="mark" href="#class-rsaoaepparams" id="class-rsaoaepparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_rsaoaepparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>rsaOaepParams.label</code><span><a class="mark" href="#rsaoaepparamslabel" id="rsaoaepparamslabel">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsaoaepparams_label"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer" class="type"><ArrayBuffer></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray" class="type"><TypedArray></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView" class="type"><DataView></a> | <a href="buffer.html#class-buffer" class="type"><Buffer></a></li>
</ul>
<p>An additional collection of bytes that will not be encrypted, but will be bound
to the generated ciphertext.</p>
<p>The <code>rsaOaepParams.label</code> parameter is optional.</p>
</div><div>
<h5><code>rsaOaepParams.name</code><span><a class="mark" href="#rsaoaepparamsname" id="rsaoaepparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsaoaepparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> must be <code>'RSA-OAEP'</code>.</li>
</ul>
</div></div><div>
<h4>Class: <code>RsaPssParams</code><span><a class="mark" href="#class-rsapssparams" id="class-rsapssparams">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_class_rsapssparams"></a></h4>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<div>
<h5><code>rsaPssParams.name</code><span><a class="mark" href="#rsapssparamsname" id="rsapssparamsname">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsapssparams_name"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type" class="type"><string></a> Must be <code>'RSA-PSS'</code>.</li>
</ul>
</div><div>
<h5><code>rsaPssParams.saltLength</code><span><a class="mark" href="#rsapssparamssaltlength" id="rsapssparamssaltlength">#</a></span><a aria-hidden="true" class="legacy" id="webcrypto_rsapssparams_saltlength"></a></h5>
<div class="api_metadata">
<span>Added in: v15.0.0</span>
</div>
<ul>
<li>Type: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type" class="type"><number></a></li>
</ul>
<p>The length (in bytes) of the random salt to use.</p>
<section data-footnotes="" class="footnotes"><h3 class="sr-only" id="footnote-label">Footnotes</h3>
<ol>
<li id="user-content-fn-openssl30">
<p>Requires OpenSSL >= 3.0 <a href="#user-content-fnref-openssl30" data-footnote-backref="" aria-label="Back to reference 1" class="data-footnote-backref">↩</a> <a href="#user-content-fnref-openssl30-2" data-footnote-backref="" aria-label="Back to reference 1-2" class="data-footnote-backref">↩<sup>2</sup></a> <a href="#user-content-fnref-openssl30-3" data-footnote-backref="" aria-label="Back to reference 1-3" class="data-footnote-backref">↩<sup>3</sup></a></p>
</li>
<li id="user-content-fn-openssl32">
<p>Requires OpenSSL >= 3.2 <a href="#user-content-fnref-openssl32" data-footnote-backref="" aria-label="Back to reference 2" class="data-footnote-backref">↩</a> <a href="#user-content-fnref-openssl32-2" data-footnote-backref="" aria-label="Back to reference 2-2" class="data-footnote-backref">↩<sup>2</sup></a> <a href="#user-content-fnref-openssl32-3" data-footnote-backref="" aria-label="Back to reference 2-3" class="data-footnote-backref">↩<sup>3</sup></a></p>
</li>
<li id="user-content-fn-openssl35">
<p>Requires OpenSSL >= 3.5 <a href="#user-content-fnref-openssl35" data-footnote-backref="" aria-label="Back to reference 3" class="data-footnote-backref">↩</a> <a href="#user-content-fnref-openssl35-2" data-footnote-backref="" aria-label="Back to reference 3-2" class="data-footnote-backref">↩<sup>2</sup></a> <a href="#user-content-fnref-openssl35-3" data-footnote-backref="" aria-label="Back to reference 3-3" class="data-footnote-backref">↩<sup>3</sup></a> <a href="#user-content-fnref-openssl35-4" data-footnote-backref="" aria-label="Back to reference 3-4" class="data-footnote-backref">↩<sup>4</sup></a> <a href="#user-content-fnref-openssl35-5" data-footnote-backref="" aria-label="Back to reference 3-5" class="data-footnote-backref">↩<sup>5</sup></a> <a href="#user-content-fnref-openssl35-6" data-footnote-backref="" aria-label="Back to reference 3-6" class="data-footnote-backref">↩<sup>6</sup></a></p>
</li>
<li id="user-content-fn-modern-algos">
<p>See <a href="#modern-algorithms-in-the-web-cryptography-api">Modern Algorithms in the Web Cryptography API</a> <a href="#user-content-fnref-modern-algos" data-footnote-backref="" aria-label="Back to reference 4" class="data-footnote-backref">↩</a> <a href="#user-content-fnref-modern-algos-2" data-footnote-backref="" aria-label="Back to reference 4-2" class="data-footnote-backref">↩<sup>2</sup></a> <a href="#user-content-fnref-modern-algos-3" data-footnote-backref="" aria-label="Back to reference 4-3" class="data-footnote-backref">↩<sup>3</sup></a> <a href="#user-content-fnref-modern-algos-4" data-footnote-backref="" aria-label="Back to reference 4-4" class="data-footnote-backref">↩<sup>4</sup></a> <a href="#user-content-fnref-modern-algos-5" data-footnote-backref="" aria-label="Back to reference 4-5" class="data-footnote-backref">↩<sup>5</sup></a> <a href="#user-content-fnref-modern-algos-6" data-footnote-backref="" aria-label="Back to reference 4-6" class="data-footnote-backref">↩<sup>6</sup></a> <a href="#user-content-fnref-modern-algos-7" data-footnote-backref="" aria-label="Back to reference 4-7" class="data-footnote-backref">↩<sup>7</sup></a> <a href="#user-content-fnref-modern-algos-8" data-footnote-backref="" aria-label="Back to reference 4-8" class="data-footnote-backref">↩<sup>8</sup></a> <a href="#user-content-fnref-modern-algos-9" data-footnote-backref="" aria-label="Back to reference 4-9" class="data-footnote-backref">↩<sup>9</sup></a> <a href="#user-content-fnref-modern-algos-10" data-footnote-backref="" aria-label="Back to reference 4-10" class="data-footnote-backref">↩<sup>10</sup></a> <a href="#user-content-fnref-modern-algos-11" data-footnote-backref="" aria-label="Back to reference 4-11" class="data-footnote-backref">↩<sup>11</sup></a> <a href="#user-content-fnref-modern-algos-12" data-footnote-backref="" aria-label="Back to reference 4-12" class="data-footnote-backref">↩<sup>12</sup></a> <a href="#user-content-fnref-modern-algos-13" data-footnote-backref="" aria-label="Back to reference 4-13" class="data-footnote-backref">↩<sup>13</sup></a> <a href="#user-content-fnref-modern-algos-14" data-footnote-backref="" aria-label="Back to reference 4-14" class="data-footnote-backref">↩<sup>14</sup></a> <a href="#user-content-fnref-modern-algos-15" data-footnote-backref="" aria-label="Back to reference 4-15" class="data-footnote-backref">↩<sup>15</sup></a> <a href="#user-content-fnref-modern-algos-16" data-footnote-backref="" aria-label="Back to reference 4-16" class="data-footnote-backref">↩<sup>16</sup></a> <a href="#user-content-fnref-modern-algos-17" data-footnote-backref="" aria-label="Back to reference 4-17" class="data-footnote-backref">↩<sup>17</sup></a> <a href="#user-content-fnref-modern-algos-18" data-footnote-backref="" aria-label="Back to reference 4-18" class="data-footnote-backref">↩<sup>18</sup></a> <a href="#user-content-fnref-modern-algos-19" data-footnote-backref="" aria-label="Back to reference 4-19" class="data-footnote-backref">↩<sup>19</sup></a> <a href="#user-content-fnref-modern-algos-20" data-footnote-backref="" aria-label="Back to reference 4-20" class="data-footnote-backref">↩<sup>20</sup></a> <a href="#user-content-fnref-modern-algos-21" data-footnote-backref="" aria-label="Back to reference 4-21" class="data-footnote-backref">↩<sup>21</sup></a> <a href="#user-content-fnref-modern-algos-22" data-footnote-backref="" aria-label="Back to reference 4-22" class="data-footnote-backref">↩<sup>22</sup></a> <a href="#user-content-fnref-modern-algos-23" data-footnote-backref="" aria-label="Back to reference 4-23" class="data-footnote-backref">↩<sup>23</sup></a> <a href="#user-content-fnref-modern-algos-24" data-footnote-backref="" aria-label="Back to reference 4-24" class="data-footnote-backref">↩<sup>24</sup></a> <a href="#user-content-fnref-modern-algos-25" data-footnote-backref="" aria-label="Back to reference 4-25" class="data-footnote-backref">↩<sup>25</sup></a> <a href="#user-content-fnref-modern-algos-26" data-footnote-backref="" aria-label="Back to reference 4-26" class="data-footnote-backref">↩<sup>26</sup></a> <a href="#user-content-fnref-modern-algos-27" data-footnote-backref="" aria-label="Back to reference 4-27" class="data-footnote-backref">↩<sup>27</sup></a> <a href="#user-content-fnref-modern-algos-28" data-footnote-backref="" aria-label="Back to reference 4-28" class="data-footnote-backref">↩<sup>28</sup></a> <a href="#user-content-fnref-modern-algos-29" data-footnote-backref="" aria-label="Back to reference 4-29" class="data-footnote-backref">↩<sup>29</sup></a> <a href="#user-content-fnref-modern-algos-30" data-footnote-backref="" aria-label="Back to reference 4-30" class="data-footnote-backref">↩<sup>30</sup></a> <a href="#user-content-fnref-modern-algos-31" data-footnote-backref="" aria-label="Back to reference 4-31" class="data-footnote-backref">↩<sup>31</sup></a> <a href="#user-content-fnref-modern-algos-32" data-footnote-backref="" aria-label="Back to reference 4-32" class="data-footnote-backref">↩<sup>32</sup></a> <a href="#user-content-fnref-modern-algos-33" data-footnote-backref="" aria-label="Back to reference 4-33" class="data-footnote-backref">↩<sup>33</sup></a> <a href="#user-content-fnref-modern-algos-34" data-footnote-backref="" aria-label="Back to reference 4-34" class="data-footnote-backref">↩<sup>34</sup></a> <a href="#user-content-fnref-modern-algos-35" data-footnote-backref="" aria-label="Back to reference 4-35" class="data-footnote-backref">↩<sup>35</sup></a> <a href="#user-content-fnref-modern-algos-36" data-footnote-backref="" aria-label="Back to reference 4-36" class="data-footnote-backref">↩<sup>36</sup></a> <a href="#user-content-fnref-modern-algos-37" data-footnote-backref="" aria-label="Back to reference 4-37" class="data-footnote-backref">↩<sup>37</sup></a> <a href="#user-content-fnref-modern-algos-38" data-footnote-backref="" aria-label="Back to reference 4-38" class="data-footnote-backref">↩<sup>38</sup></a> <a href="#user-content-fnref-modern-algos-39" data-footnote-backref="" aria-label="Back to reference 4-39" class="data-footnote-backref">↩<sup>39</sup></a> <a href="#user-content-fnref-modern-algos-40" data-footnote-backref="" aria-label="Back to reference 4-40" class="data-footnote-backref">↩<sup>40</sup></a> <a href="#user-content-fnref-modern-algos-41" data-footnote-backref="" aria-label="Back to reference 4-41" class="data-footnote-backref">↩<sup>41</sup></a> <a href="#user-content-fnref-modern-algos-42" data-footnote-backref="" aria-label="Back to reference 4-42" class="data-footnote-backref">↩<sup>42</sup></a> <a href="#user-content-fnref-modern-algos-43" data-footnote-backref="" aria-label="Back to reference 4-43" class="data-footnote-backref">↩<sup>43</sup></a> <a href="#user-content-fnref-modern-algos-44" data-footnote-backref="" aria-label="Back to reference 4-44" class="data-footnote-backref">↩<sup>44</sup></a> <a href="#user-content-fnref-modern-algos-45" data-footnote-backref="" aria-label="Back to reference 4-45" class="data-footnote-backref">↩<sup>45</sup></a> <a href="#user-content-fnref-modern-algos-46" data-footnote-backref="" aria-label="Back to reference 4-46" class="data-footnote-backref">↩<sup>46</sup></a> <a href="#user-content-fnref-modern-algos-47" data-footnote-backref="" aria-label="Back to reference 4-47" class="data-footnote-backref">↩<sup>47</sup></a> <a href="#user-content-fnref-modern-algos-48" data-footnote-backref="" aria-label="Back to reference 4-48" class="data-footnote-backref">↩<sup>48</sup></a> <a href="#user-content-fnref-modern-algos-49" data-footnote-backref="" aria-label="Back to reference 4-49" class="data-footnote-backref">↩<sup>49</sup></a> <a href="#user-content-fnref-modern-algos-50" data-footnote-backref="" aria-label="Back to reference 4-50" class="data-footnote-backref">↩<sup>50</sup></a> <a href="#user-content-fnref-modern-algos-51" data-footnote-backref="" aria-label="Back to reference 4-51" class="data-footnote-backref">↩<sup>51</sup></a> <a href="#user-content-fnref-modern-algos-52" data-footnote-backref="" aria-label="Back to reference 4-52" class="data-footnote-backref">↩<sup>52</sup></a> <a href="#user-content-fnref-modern-algos-53" data-footnote-backref="" aria-label="Back to reference 4-53" class="data-footnote-backref">↩<sup>53</sup></a> <a href="#user-content-fnref-modern-algos-54" data-footnote-backref="" aria-label="Back to reference 4-54" class="data-footnote-backref">↩<sup>54</sup></a> <a href="#user-content-fnref-modern-algos-55" data-footnote-backref="" aria-label="Back to reference 4-55" class="data-footnote-backref">↩<sup>55</sup></a> <a href="#user-content-fnref-modern-algos-56" data-footnote-backref="" aria-label="Back to reference 4-56" class="data-footnote-backref">↩<sup>56</sup></a> <a href="#user-content-fnref-modern-algos-57" data-footnote-backref="" aria-label="Back to reference 4-57" class="data-footnote-backref">↩<sup>57</sup></a> <a href="#user-content-fnref-modern-algos-58" data-footnote-backref="" aria-label="Back to reference 4-58" class="data-footnote-backref">↩<sup>58</sup></a> <a href="#user-content-fnref-modern-algos-59" data-footnote-backref="" aria-label="Back to reference 4-59" class="data-footnote-backref">↩<sup>59</sup></a> <a href="#user-content-fnref-modern-algos-60" data-footnote-backref="" aria-label="Back to reference 4-60" class="data-footnote-backref">↩<sup>60</sup></a> <a href="#user-content-fnref-modern-algos-61" data-footnote-backref="" aria-label="Back to reference 4-61" class="data-footnote-backref">↩<sup>61</sup></a> <a href="#user-content-fnref-modern-algos-62" data-footnote-backref="" aria-label="Back to reference 4-62" class="data-footnote-backref">↩<sup>62</sup></a> <a href="#user-content-fnref-modern-algos-63" data-footnote-backref="" aria-label="Back to reference 4-63" class="data-footnote-backref">↩<sup>63</sup></a> <a href="#user-content-fnref-modern-algos-64" data-footnote-backref="" aria-label="Back to reference 4-64" class="data-footnote-backref">↩<sup>64</sup></a> <a href="#user-content-fnref-modern-algos-65" data-footnote-backref="" aria-label="Back to reference 4-65" class="data-footnote-backref">↩<sup>65</sup></a> <a href="#user-content-fnref-modern-algos-66" data-footnote-backref="" aria-label="Back to reference 4-66" class="data-footnote-backref">↩<sup>66</sup></a> <a href="#user-content-fnref-modern-algos-67" data-footnote-backref="" aria-label="Back to reference 4-67" class="data-footnote-backref">↩<sup>67</sup></a> <a href="#user-content-fnref-modern-algos-68" data-footnote-backref="" aria-label="Back to reference 4-68" class="data-footnote-backref">↩<sup>68</sup></a> <a href="#user-content-fnref-modern-algos-69" data-footnote-backref="" aria-label="Back to reference 4-69" class="data-footnote-backref">↩<sup>69</sup></a> <a href="#user-content-fnref-modern-algos-70" data-footnote-backref="" aria-label="Back to reference 4-70" class="data-footnote-backref">↩<sup>70</sup></a> <a href="#user-content-fnref-modern-algos-71" data-footnote-backref="" aria-label="Back to reference 4-71" class="data-footnote-backref">↩<sup>71</sup></a> <a href="#user-content-fnref-modern-algos-72" data-footnote-backref="" aria-label="Back to reference 4-72" class="data-footnote-backref">↩<sup>72</sup></a> <a href="#user-content-fnref-modern-algos-73" data-footnote-backref="" aria-label="Back to reference 4-73" class="data-footnote-backref">↩<sup>73</sup></a> <a href="#user-content-fnref-modern-algos-74" data-footnote-backref="" aria-label="Back to reference 4-74" class="data-footnote-backref">↩<sup>74</sup></a> <a href="#user-content-fnref-modern-algos-75" data-footnote-backref="" aria-label="Back to reference 4-75" class="data-footnote-backref">↩<sup>75</sup></a> <a href="#user-content-fnref-modern-algos-76" data-footnote-backref="" aria-label="Back to reference 4-76" class="data-footnote-backref">↩<sup>76</sup></a> <a href="#user-content-fnref-modern-algos-77" data-footnote-backref="" aria-label="Back to reference 4-77" class="data-footnote-backref">↩<sup>77</sup></a> <a href="#user-content-fnref-modern-algos-78" data-footnote-backref="" aria-label="Back to reference 4-78" class="data-footnote-backref">↩<sup>78</sup></a> <a href="#user-content-fnref-modern-algos-79" data-footnote-backref="" aria-label="Back to reference 4-79" class="data-footnote-backref">↩<sup>79</sup></a> <a href="#user-content-fnref-modern-algos-80" data-footnote-backref="" aria-label="Back to reference 4-80" class="data-footnote-backref">↩<sup>80</sup></a> <a href="#user-content-fnref-modern-algos-81" data-footnote-backref="" aria-label="Back to reference 4-81" class="data-footnote-backref">↩<sup>81</sup></a> <a href="#user-content-fnref-modern-algos-82" data-footnote-backref="" aria-label="Back to reference 4-82" class="data-footnote-backref">↩<sup>82</sup></a> <a href="#user-content-fnref-modern-algos-83" data-footnote-backref="" aria-label="Back to reference 4-83" class="data-footnote-backref">↩<sup>83</sup></a> <a href="#user-content-fnref-modern-algos-84" data-footnote-backref="" aria-label="Back to reference 4-84" class="data-footnote-backref">↩<sup>84</sup></a> <a href="#user-content-fnref-modern-algos-85" data-footnote-backref="" aria-label="Back to reference 4-85" class="data-footnote-backref">↩<sup>85</sup></a> <a href="#user-content-fnref-modern-algos-86" data-footnote-backref="" aria-label="Back to reference 4-86" class="data-footnote-backref">↩<sup>86</sup></a> <a href="#user-content-fnref-modern-algos-87" data-footnote-backref="" aria-label="Back to reference 4-87" class="data-footnote-backref">↩<sup>87</sup></a> <a href="#user-content-fnref-modern-algos-88" data-footnote-backref="" aria-label="Back to reference 4-88" class="data-footnote-backref">↩<sup>88</sup></a> <a href="#user-content-fnref-modern-algos-89" data-footnote-backref="" aria-label="Back to reference 4-89" class="data-footnote-backref">↩<sup>89</sup></a> <a href="#user-content-fnref-modern-algos-90" data-footnote-backref="" aria-label="Back to reference 4-90" class="data-footnote-backref">↩<sup>90</sup></a> <a href="#user-content-fnref-modern-algos-91" data-footnote-backref="" aria-label="Back to reference 4-91" class="data-footnote-backref">↩<sup>91</sup></a> <a href="#user-content-fnref-modern-algos-92" data-footnote-backref="" aria-label="Back to reference 4-92" class="data-footnote-backref">↩<sup>92</sup></a> <a href="#user-content-fnref-modern-algos-93" data-footnote-backref="" aria-label="Back to reference 4-93" class="data-footnote-backref">↩<sup>93</sup></a> <a href="#user-content-fnref-modern-algos-94" data-footnote-backref="" aria-label="Back to reference 4-94" class="data-footnote-backref">↩<sup>94</sup></a> <a href="#user-content-fnref-modern-algos-95" data-footnote-backref="" aria-label="Back to reference 4-95" class="data-footnote-backref">↩<sup>95</sup></a> <a href="#user-content-fnref-modern-algos-96" data-footnote-backref="" aria-label="Back to reference 4-96" class="data-footnote-backref">↩<sup>96</sup></a> <a href="#user-content-fnref-modern-algos-97" data-footnote-backref="" aria-label="Back to reference 4-97" class="data-footnote-backref">↩<sup>97</sup></a> <a href="#user-content-fnref-modern-algos-98" data-footnote-backref="" aria-label="Back to reference 4-98" class="data-footnote-backref">↩<sup>98</sup></a> <a href="#user-content-fnref-modern-algos-99" data-footnote-backref="" aria-label="Back to reference 4-99" class="data-footnote-backref">↩<sup>99</sup></a> <a href="#user-content-fnref-modern-algos-100" data-footnote-backref="" aria-label="Back to reference 4-100" class="data-footnote-backref">↩<sup>100</sup></a> <a href="#user-content-fnref-modern-algos-101" data-footnote-backref="" aria-label="Back to reference 4-101" class="data-footnote-backref">↩<sup>101</sup></a> <a href="#user-content-fnref-modern-algos-102" data-footnote-backref="" aria-label="Back to reference 4-102" class="data-footnote-backref">↩<sup>102</sup></a> <a href="#user-content-fnref-modern-algos-103" data-footnote-backref="" aria-label="Back to reference 4-103" class="data-footnote-backref">↩<sup>103</sup></a> <a href="#user-content-fnref-modern-algos-104" data-footnote-backref="" aria-label="Back to reference 4-104" class="data-footnote-backref">↩<sup>104</sup></a> <a href="#user-content-fnref-modern-algos-105" data-footnote-backref="" aria-label="Back to reference 4-105" class="data-footnote-backref">↩<sup>105</sup></a> <a href="#user-content-fnref-modern-algos-106" data-footnote-backref="" aria-label="Back to reference 4-106" class="data-footnote-backref">↩<sup>106</sup></a> <a href="#user-content-fnref-modern-algos-107" data-footnote-backref="" aria-label="Back to reference 4-107" class="data-footnote-backref">↩<sup>107</sup></a> <a href="#user-content-fnref-modern-algos-108" data-footnote-backref="" aria-label="Back to reference 4-108" class="data-footnote-backref">↩<sup>108</sup></a> <a href="#user-content-fnref-modern-algos-109" data-footnote-backref="" aria-label="Back to reference 4-109" class="data-footnote-backref">↩<sup>109</sup></a> <a href="#user-content-fnref-modern-algos-110" data-footnote-backref="" aria-label="Back to reference 4-110" class="data-footnote-backref">↩<sup>110</sup></a> <a href="#user-content-fnref-modern-algos-111" data-footnote-backref="" aria-label="Back to reference 4-111" class="data-footnote-backref">↩<sup>111</sup></a> <a href="#user-content-fnref-modern-algos-112" data-footnote-backref="" aria-label="Back to reference 4-112" class="data-footnote-backref">↩<sup>112</sup></a> <a href="#user-content-fnref-modern-algos-113" data-footnote-backref="" aria-label="Back to reference 4-113" class="data-footnote-backref">↩<sup>113</sup></a> <a href="#user-content-fnref-modern-algos-114" data-footnote-backref="" aria-label="Back to reference 4-114" class="data-footnote-backref">↩<sup>114</sup></a> <a href="#user-content-fnref-modern-algos-115" data-footnote-backref="" aria-label="Back to reference 4-115" class="data-footnote-backref">↩<sup>115</sup></a> <a href="#user-content-fnref-modern-algos-116" data-footnote-backref="" aria-label="Back to reference 4-116" class="data-footnote-backref">↩<sup>116</sup></a> <a href="#user-content-fnref-modern-algos-117" data-footnote-backref="" aria-label="Back to reference 4-117" class="data-footnote-backref">↩<sup>117</sup></a> <a href="#user-content-fnref-modern-algos-118" data-footnote-backref="" aria-label="Back to reference 4-118" class="data-footnote-backref">↩<sup>118</sup></a> <a href="#user-content-fnref-modern-algos-119" data-footnote-backref="" aria-label="Back to reference 4-119" class="data-footnote-backref">↩<sup>119</sup></a> <a href="#user-content-fnref-modern-algos-120" data-footnote-backref="" aria-label="Back to reference 4-120" class="data-footnote-backref">↩<sup>120</sup></a> <a href="#user-content-fnref-modern-algos-121" data-footnote-backref="" aria-label="Back to reference 4-121" class="data-footnote-backref">↩<sup>121</sup></a> <a href="#user-content-fnref-modern-algos-122" data-footnote-backref="" aria-label="Back to reference 4-122" class="data-footnote-backref">↩<sup>122</sup></a> <a href="#user-content-fnref-modern-algos-123" data-footnote-backref="" aria-label="Back to reference 4-123" class="data-footnote-backref">↩<sup>123</sup></a> <a href="#user-content-fnref-modern-algos-124" data-footnote-backref="" aria-label="Back to reference 4-124" class="data-footnote-backref">↩<sup>124</sup></a> <a href="#user-content-fnref-modern-algos-125" data-footnote-backref="" aria-label="Back to reference 4-125" class="data-footnote-backref">↩<sup>125</sup></a> <a href="#user-content-fnref-modern-algos-126" data-footnote-backref="" aria-label="Back to reference 4-126" class="data-footnote-backref">↩<sup>126</sup></a> <a href="#user-content-fnref-modern-algos-127" data-footnote-backref="" aria-label="Back to reference 4-127" class="data-footnote-backref">↩<sup>127</sup></a> <a href="#user-content-fnref-modern-algos-128" data-footnote-backref="" aria-label="Back to reference 4-128" class="data-footnote-backref">↩<sup>128</sup></a> <a href="#user-content-fnref-modern-algos-129" data-footnote-backref="" aria-label="Back to reference 4-129" class="data-footnote-backref">↩<sup>129</sup></a> <a href="#user-content-fnref-modern-algos-130" data-footnote-backref="" aria-label="Back to reference 4-130" class="data-footnote-backref">↩<sup>130</sup></a> <a href="#user-content-fnref-modern-algos-131" data-footnote-backref="" aria-label="Back to reference 4-131" class="data-footnote-backref">↩<sup>131</sup></a> <a href="#user-content-fnref-modern-algos-132" data-footnote-backref="" aria-label="Back to reference 4-132" class="data-footnote-backref">↩<sup>132</sup></a> <a href="#user-content-fnref-modern-algos-133" data-footnote-backref="" aria-label="Back to reference 4-133" class="data-footnote-backref">↩<sup>133</sup></a> <a href="#user-content-fnref-modern-algos-134" data-footnote-backref="" aria-label="Back to reference 4-134" class="data-footnote-backref">↩<sup>134</sup></a> <a href="#user-content-fnref-modern-algos-135" data-footnote-backref="" aria-label="Back to reference 4-135" class="data-footnote-backref">↩<sup>135</sup></a> <a href="#user-content-fnref-modern-algos-136" data-footnote-backref="" aria-label="Back to reference 4-136" class="data-footnote-backref">↩<sup>136</sup></a> <a href="#user-content-fnref-modern-algos-137" data-footnote-backref="" aria-label="Back to reference 4-137" class="data-footnote-backref">↩<sup>137</sup></a> <a href="#user-content-fnref-modern-algos-138" data-footnote-backref="" aria-label="Back to reference 4-138" class="data-footnote-backref">↩<sup>138</sup></a> <a href="#user-content-fnref-modern-algos-139" data-footnote-backref="" aria-label="Back to reference 4-139" class="data-footnote-backref">↩<sup>139</sup></a> <a href="#user-content-fnref-modern-algos-140" data-footnote-backref="" aria-label="Back to reference 4-140" class="data-footnote-backref">↩<sup>140</sup></a> <a href="#user-content-fnref-modern-algos-141" data-footnote-backref="" aria-label="Back to reference 4-141" class="data-footnote-backref">↩<sup>141</sup></a> <a href="#user-content-fnref-modern-algos-142" data-footnote-backref="" aria-label="Back to reference 4-142" class="data-footnote-backref">↩<sup>142</sup></a> <a href="#user-content-fnref-modern-algos-143" data-footnote-backref="" aria-label="Back to reference 4-143" class="data-footnote-backref">↩<sup>143</sup></a> <a href="#user-content-fnref-modern-algos-144" data-footnote-backref="" aria-label="Back to reference 4-144" class="data-footnote-backref">↩<sup>144</sup></a> <a href="#user-content-fnref-modern-algos-145" data-footnote-backref="" aria-label="Back to reference 4-145" class="data-footnote-backref">↩<sup>145</sup></a> <a href="#user-content-fnref-modern-algos-146" data-footnote-backref="" aria-label="Back to reference 4-146" class="data-footnote-backref">↩<sup>146</sup></a> <a href="#user-content-fnref-modern-algos-147" data-footnote-backref="" aria-label="Back to reference 4-147" class="data-footnote-backref">↩<sup>147</sup></a> <a href="#user-content-fnref-modern-algos-148" data-footnote-backref="" aria-label="Back to reference 4-148" class="data-footnote-backref">↩<sup>148</sup></a> <a href="#user-content-fnref-modern-algos-149" data-footnote-backref="" aria-label="Back to reference 4-149" class="data-footnote-backref">↩<sup>149</sup></a> <a href="#user-content-fnref-modern-algos-150" data-footnote-backref="" aria-label="Back to reference 4-150" class="data-footnote-backref">↩<sup>150</sup></a></p>
</li>
<li id="user-content-fn-secure-curves">
<p>See <a href="#secure-curves-in-the-web-cryptography-api">Secure Curves in the Web Cryptography API</a> <a href="#user-content-fnref-secure-curves" data-footnote-backref="" aria-label="Back to reference 5" class="data-footnote-backref">↩</a> <a href="#user-content-fnref-secure-curves-2" data-footnote-backref="" aria-label="Back to reference 5-2" class="data-footnote-backref">↩<sup>2</sup></a> <a href="#user-content-fnref-secure-curves-3" data-footnote-backref="" aria-label="Back to reference 5-3" class="data-footnote-backref">↩<sup>3</sup></a> <a href="#user-content-fnref-secure-curves-4" data-footnote-backref="" aria-label="Back to reference 5-4" class="data-footnote-backref">↩<sup>4</sup></a> <a href="#user-content-fnref-secure-curves-5" data-footnote-backref="" aria-label="Back to reference 5-5" class="data-footnote-backref">↩<sup>5</sup></a> <a href="#user-content-fnref-secure-curves-6" data-footnote-backref="" aria-label="Back to reference 5-6" class="data-footnote-backref">↩<sup>6</sup></a> <a href="#user-content-fnref-secure-curves-7" data-footnote-backref="" aria-label="Back to reference 5-7" class="data-footnote-backref">↩<sup>7</sup></a> <a href="#user-content-fnref-secure-curves-8" data-footnote-backref="" aria-label="Back to reference 5-8" class="data-footnote-backref">↩<sup>8</sup></a> <a href="#user-content-fnref-secure-curves-9" data-footnote-backref="" aria-label="Back to reference 5-9" class="data-footnote-backref">↩<sup>9</sup></a> <a href="#user-content-fnref-secure-curves-10" data-footnote-backref="" aria-label="Back to reference 5-10" class="data-footnote-backref">↩<sup>10</sup></a> <a href="#user-content-fnref-secure-curves-11" data-footnote-backref="" aria-label="Back to reference 5-11" class="data-footnote-backref">↩<sup>11</sup></a> <a href="#user-content-fnref-secure-curves-12" data-footnote-backref="" aria-label="Back to reference 5-12" class="data-footnote-backref">↩<sup>12</sup></a> <a href="#user-content-fnref-secure-curves-13" data-footnote-backref="" aria-label="Back to reference 5-13" class="data-footnote-backref">↩<sup>13</sup></a> <a href="#user-content-fnref-secure-curves-14" data-footnote-backref="" aria-label="Back to reference 5-14" class="data-footnote-backref">↩<sup>14</sup></a> <a href="#user-content-fnref-secure-curves-15" data-footnote-backref="" aria-label="Back to reference 5-15" class="data-footnote-backref">↩<sup>15</sup></a> <a href="#user-content-fnref-secure-curves-16" data-footnote-backref="" aria-label="Back to reference 5-16" class="data-footnote-backref">↩<sup>16</sup></a> <a href="#user-content-fnref-secure-curves-17" data-footnote-backref="" aria-label="Back to reference 5-17" class="data-footnote-backref">↩<sup>17</sup></a> <a href="#user-content-fnref-secure-curves-18" data-footnote-backref="" aria-label="Back to reference 5-18" class="data-footnote-backref">↩<sup>18</sup></a> <a href="#user-content-fnref-secure-curves-19" data-footnote-backref="" aria-label="Back to reference 5-19" class="data-footnote-backref">↩<sup>19</sup></a> <a href="#user-content-fnref-secure-curves-20" data-footnote-backref="" aria-label="Back to reference 5-20" class="data-footnote-backref">↩<sup>20</sup></a> <a href="#user-content-fnref-secure-curves-21" data-footnote-backref="" aria-label="Back to reference 5-21" class="data-footnote-backref">↩<sup>21</sup></a> <a href="#user-content-fnref-secure-curves-22" data-footnote-backref="" aria-label="Back to reference 5-22" class="data-footnote-backref">↩<sup>22</sup></a> <a href="#user-content-fnref-secure-curves-23" data-footnote-backref="" aria-label="Back to reference 5-23" class="data-footnote-backref">↩<sup>23</sup></a> <a href="#user-content-fnref-secure-curves-24" data-footnote-backref="" aria-label="Back to reference 5-24" class="data-footnote-backref">↩<sup>24</sup></a></p>
</li>
</ol>
</section></div></div></section>
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