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crypto: experimental (Ed/X)25519/(Ed/X)448 support · nodejs/node@68ffe5a · GitHub

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jasnell
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crypto: experimental (Ed/X)25519/(Ed/X)448 support
Implements initial experimental support for Curve25519 and Curve448 support for both ECDH and sign/verify in Web Crypto. Introduced as a Node.js-specific extension to Web Crypto. Signed-off-by: James M Snell <jasnell@gmail.com> Fixes: #36076 PR-URL: #36879 Reviewed-By: Filip Skokan <panva.ip@gmail.com>
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‎doc/api/webcrypto.md‎

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@@ -65,6 +65,26 @@ async function generateEcKey(namedCurve = 'P-521') {
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}
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```
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#### ED25519/ED448/X25519/X448 Elliptic curve key pairs
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```js
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const { subtle } = require('crypto').webcrypto;
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async function generateEd25519Key() {
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return subtle.generateKey({
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name: 'NODE-ED25519',
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namedCurve: 'NODE-ED25519',
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}, true, ['sign', 'verify']);
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}
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async function generateX25519Key() {
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return subtle.generateKey({
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name: 'ECDH',
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namedCurve: 'NODE-X25519',
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}, true, ['deriveKey']);
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}
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```
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#### HMAC keys
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```js
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| `'SHA-512'` | | | | | | | | | | | | ✔ |
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| `'NODE-DSA'`<sup>1</sup> | ✔ | ✔ | ✔ | | | | | | | ✔ | ✔ | |
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| `'NODE-DH'`<sup>1</sup> | ✔ | ✔ | ✔ | | | | | ✔ | ✔ | | | |
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| `'NODE-ED25519'`<sup>1</sup> | ✔ | ✔ | ✔ | | | | | | | ✔ | ✔ | |
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| `'NODE-ED448'`<sup>1</sup> | ✔ | ✔ | ✔ | | | | | | | ✔ | ✔ | |
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<sup>1</sup> Node.js-specific extension
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| `'NODE-DSA'` <sup>1</sup> | | | ✔ | ✔ | | | | |
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| `'NODE-DH'` <sup>1</sup> | | | | | ✔ | ✔ | | |
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| `'NODE-SCRYPT'` <sup>1</sup> | | | | | ✔ | ✔ | | |
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| `'NODE-ED25519'` <sup>1</sup> | | | ✔ | ✔ | | | | |
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| `'NODE-ED448'` <sup>1</sup> | | | ✔ | ✔ | | | | |
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<sup>1</sup> Node.js-specific extension.
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@@ -620,6 +644,8 @@ extension that allows converting a {CryptoKey} into a Node.js {KeyObject}.
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| `'NODE-DSA'` <sup>1</sup> | ✔ | ✔ | ✔ | |
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| `'NODE-DH'` <sup>1</sup> | ✔ | ✔ | | |
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| `'NODE-SCRYPT'` <sup>1</sup> | | | | |
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| `'NODE-ED25519'` <sup>1</sup> | ✔ | ✔ | ✔ | ✔ |
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| `'NODE-ED448'` <sup>1</sup> | ✔ | ✔ | ✔ | ✔ |
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<sup>1</sup> Node.js-specific extension
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-->
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<!--lint disable maximum-line-length remark-lint-->
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* `algorithm`: {RsaHashedKeyGenParams|EcKeyGenParams|HmacKeyGenParams|AesKeyGenParams|NodeDsaKeyGenParams|NodeDhKeyGenParams}
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* `algorithm`: {RsaHashedKeyGenParams|EcKeyGenParams|HmacKeyGenParams|AesKeyGenParams|NodeDsaKeyGenParams|NodeDhKeyGenParams|NodeEdKeyGenParams}
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<!--lint enable maximum-line-length remark-lint-->
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* `extractable`: {boolean}
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* `keyUsages`: {string[]} See [Key usages][].
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* `'ECDH'`
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* `'NODE-DSA'` <sup>1</sup>
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* `'NODE-DH'` <sup>1</sup>
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* `'NODE-ED25519'` <sup>1</sup>
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* `'NODE-ED448'` <sup>1</sup>
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The {CryptoKey} (secret key) generating algorithms supported include:
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`node.keyObject`.
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* `keyData`: {ArrayBuffer|TypedArray|DataView|Buffer|KeyObject}
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<!--lint disable maximum-line-length remark-lint-->
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* `algorithm`: {RsaHashedImportParams|EcKeyImportParams|HmacImportParams|AesImportParams|Pbkdf2ImportParams|NodeDsaImportParams|NodeDhImportParams|NodeScryptImportParams}
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* `algorithm`: {RsaHashedImportParams|EcKeyImportParams|HmacImportParams|AesImportParams|Pbkdf2ImportParams|NodeDsaImportParams|NodeDhImportParams|NodeScryptImportParams|NodeEdKeyImportParams}
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<!--lint enable maximum-line-length remark-lint-->
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* `extractable`: {boolean}
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* `keyUsages`: {string[]} See [Key usages][].
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| `'NODE-DSA'` <sup>1</sup> | ✔ | ✔ | ✔ | |
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| `'NODE-DH'` <sup>1</sup> | ✔ | ✔ | | |
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| `'NODE-SCRYPT'` <sup>1</sup> | | | | ✔ |
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| `'NODE-ED25519'` <sup>1</sup> | ✔ | ✔ | ✔ | ✔ |
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| `'NODE-ED448'` <sup>1</sup> | ✔ | ✔ | ✔ | ✔ |
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<sup>1</sup> Node.js-specific extension
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* `'ECDSA'`
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* `'HMAC'`
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* `'NODE-DSA'`<sup>1</sup>
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* `'NODE-ED25519'`<sup>1</sup>
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* `'NODE-ED448'`<sup>1</sup>
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<sup>1</sup> Non-standadrd Node.js extension
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* `'ECDSA'`
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* `'HMAC'`
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* `'NODE-DSA'`<sup>1</sup>
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* `'NODE-ED25519'`<sup>1</sup>
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* `'NODE-ED448'`<sup>1</sup>
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<sup>1</sup> Non-standard Node.js extension
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added: v15.0.0
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-->
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* Type: {string} Must be one of `'P-256'`, `'P-384'` or `'P-521'`.
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* Type: {string} Must be one of `'P-256'`, `'P-384'`, `'P-521'`,
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`'NODE-ED25519'`, `'NODE-ED448'`, `'NODE-X25519'`, or `'NODE-X448'`.
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### Class: `EcKeyImportParams`
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<!-- YAML
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added: v15.0.0
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-->
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* Type: {string} Must be one of `'P-256'`, `'P-384'` or `'P-521'`.
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* Type: {string} Must be one of `'P-256'`, `'P-384'`, `'P-521'`,
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`'NODE-ED25519'`, `'NODE-ED448'`, `'NODE-X25519'`, or `'NODE-X448'`.
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### Class: `HkdfParams`
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<!-- YAML
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* Type: {string} Must be `'NODE-DSA'`
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### `NODE-ED25519` and `NODE-ED448` Algorithms
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<!-- YAML
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added: REPLACEME
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-->
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#### Class: `NodeEdKeyGenParams`
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<!-- YAML
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added: REPLACEME
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-->
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##### `nodeEdKeyGenParams.name`
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<!-- YAML
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added: REPLACEME
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-->
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* Type: {string} Must be one of `'NODE-ED25519'`, `'NODE-ED448'` or `'ECDH'`.
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##### `nodeEdKeyGenParams.namedCurve`
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<!-- YAML
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added: REPLACEME
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-->
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* Type: {string} Must be one of `'NODE-ED25519'`, `'NODE-ED448'`,
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`'NODE-X25519'`, or `'NODE-X448'`.
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#### Class: `NodeEdKeyImportParams`
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<!-- YAML
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added: REPLACEME
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-->
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##### `nodeEdKeyImportParams.name`
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<!-- YAML
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added: REPLACEME
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-->
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* Type: {string} Must be one of `'NODE-ED25519'` or `'NODE-ED448'`
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if importing an `Ed25519` or `Ed448` key, or `'ECDH'` if importing
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an `X25519` or `X448` key.
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##### `nodeEdKeyImportParams.namedCurve`
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<!-- YAML
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added: REPLACEME
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-->
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* Type: {string} Must be one of `'NODE-ED25519'`, `'NODE-ED448'`,
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`'NODE-X25519'`, or `'NODE-X448'`.
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##### `nodeEdKeyImportParams.public`
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<!-- YAML
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added: REPLACEME
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-->
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* Type: {boolean}
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The `public` parameter is used to specify that the key is to be interpreted
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as a public key.
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### `NODE-SCRYPT` Algorithm
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<!-- YAML
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added: v15.0.0

‎lib/internal/crypto/diffiehellman.js‎

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@@ -70,7 +70,6 @@ const {
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toBuf,
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kHandle,
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kKeyObject,
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kNamedCurveAliases,
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} = require('internal/crypto/util');
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const {
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const bits = await new Promise((resolve, reject) => {
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deriveBitsECDH(
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kNamedCurveAliases[baseKey.algorithm.namedCurve],
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baseKey.algorithm.namedCurve,
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key[kKeyObject][kHandle],
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baseKey[kKeyObject][kHandle], (err, bits) => {
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if (err) return reject(err);

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