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Merge pull request #25 from PeculiarVentures/eddsa 

Support EdDSA and ECDH-ES mechanisms
This commit is contained in:
Miroshin Stepan 2021-02-04 23:24:15 +03:00 committed by GitHub
parent d1f5cbfb63 8713a49497
commit 99273f0e99
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GPG Key ID: 4AEE18F83AFDEB23
13 changed files with 562 additions and 100 deletions
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README.md
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@ -49,6 +49,8 @@ npm install @peculiar/webcrypto
| AES-KW | X | | X | | | X | | | AES-KW | X | | X | | | X | |
| ECDSA<sup>1</sup> | X | | X | X | | | | | ECDSA<sup>1</sup> | X | | X | X | | | |
| ECDH<sup>1</sup> | X | | X | | | | X | | ECDH<sup>1</sup> | X | | X | | | | X |
| EdDSA<sup>2,3</sup> | X | | X | X | | | |
| ECDH-ES<sup>2,4</sup> | X | | X | | | | X |
| HKDF | | | X | | | | X | | HKDF | | | X | | | | X |
| PBKDF2 | | | X | | | | X | | PBKDF2 | | | X | | | | X |
| DES-CBC<sup>2</sup>| X | | X | | X | X | | | DES-CBC<sup>2</sup>| X | | X | | X | X | |
@ -58,6 +60,10 @@ npm install @peculiar/webcrypto
<sup>2</sup> Mechanism is not defined by the WebCrypto specifications. Use of mechanism in a safe way is hard, it was added for the purpose of enabling interoperability with an existing system. We recommend against its use unless needed for interoperability. <sup>2</sup> Mechanism is not defined by the WebCrypto specifications. Use of mechanism in a safe way is hard, it was added for the purpose of enabling interoperability with an existing system. We recommend against its use unless needed for interoperability.
<sup>3</sup> Mechanism supports extended list of named curves `Ed25519`, and `Ed448`
<sup>4</sup> Mechanism supports extended list of named curves `X25519`, and `X448`
## Using ## Using
```javascript ```javascript

170
package-lock.json generated
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"@peculiar/asn1-schema": "^2.0.27", "@peculiar/asn1-schema": "^2.0.27",
"@peculiar/json-schema": "^1.1.12", "@peculiar/json-schema": "^1.1.12",
"asn1js": "^2.0.26", "asn1js": "^2.0.26",
"pvtsutils": "^1.1.2", "pvtsutils": "^1.1.2",
"tslib": "^2.1.0" "tslib": "^2.1.0"
},
"dependencies": {
"pvtsutils": {
"version": "1.1.2",
"resolved": "https://registry.npmjs.org/pvtsutils/-/pvtsutils-1.1.2.tgz",
"integrity": "sha512-Yfm9Dsk1zfEpOWCaJaHfqtNXAFWNNHMFSCLN6jTnhuCCBCC2nqge4sAgo7UrkRBoAAYIL8TN/6LlLoNfZD/b5A==",
"requires": {
"tslib": "^2.1.0"
}
}
} }
}, },
"which": { "which": {

21
package.json
View File

@ -42,7 +42,12 @@
"aes", "aes",
"des", "des",
"hmac", "hmac",
"pbkdf2" "pbkdf2",
"eddsa",
"x25519",
"ed25519",
"x448",
"ed448"
], ],
"author": "PeculiarVentures", "author": "PeculiarVentures",
"contributors": [ "contributors": [
@ -57,16 +62,16 @@
"devDependencies": { "devDependencies": {
"@peculiar/webcrypto-test": "^1.0.7", "@peculiar/webcrypto-test": "^1.0.7",
"@types/mocha": "^8.2.0", "@types/mocha": "^8.2.0",
"@types/node": "^12.19.12", "@types/node": "^14.14.22",
"@typescript-eslint/eslint-plugin": "^4.12.0", "@typescript-eslint/eslint-plugin": "^4.14.2",
"@typescript-eslint/parser": "^4.12.0", "@typescript-eslint/parser": "^4.14.2",
"coveralls": "^3.1.0", "coveralls": "^3.1.0",
"eslint": "^7.17.0", "eslint": "^7.19.0",
"eslint-plugin-import": "^2.22.1", "eslint-plugin-import": "^2.22.1",
"mocha": "^8.2.1", "mocha": "^8.2.1",
"nyc": "^15.1.0", "nyc": "^15.1.0",
"rimraf": "^3.0.2", "rimraf": "^3.0.2",
"rollup": "^2.36.1", "rollup": "^2.38.4",
"rollup-plugin-typescript2": "^0.29.0", "rollup-plugin-typescript2": "^0.29.0",
"ts-node": "^9.1.1", "ts-node": "^9.1.1",
"typescript": "^4.1.3" "typescript": "^4.1.3"
@ -74,9 +79,9 @@
"dependencies": { "dependencies": {
"@peculiar/asn1-schema": "^2.0.27", "@peculiar/asn1-schema": "^2.0.27",
"@peculiar/json-schema": "^1.1.12", "@peculiar/json-schema": "^1.1.12",
"pvtsutils": "^1.1.1", "pvtsutils": "^1.1.2",
"tslib": "^2.1.0", "tslib": "^2.1.0",
"webcrypto-core": "^1.1.10" "webcrypto-core": "^1.2.0"
}, },
"nyc": { "nyc": {
"extension": [ "extension": [

166
src/mechs/ed/crypto.ts Normal file
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@ -0,0 +1,166 @@
import crypto from "crypto";
import { AsnParser } from "@peculiar/asn1-schema";
import { JsonParser, JsonSerializer } from "@peculiar/json-schema";
import { Convert } from "pvtsutils";
import * as core from "webcrypto-core";
import { CryptoKey } from "../../keys";
import { EdPrivateKey } from "./private_key";
import { EdPublicKey } from "./public_key";
export class EdCrypto {
public static publicKeyUsages = ["verify"];
public static privateKeyUsages = ["sign", "deriveKey", "deriveBits"];
public static async generateKey(algorithm: EcKeyGenParams, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKeyPair> {
const privateKey = new EdPrivateKey();
privateKey.algorithm = algorithm;
privateKey.extractable = extractable;
privateKey.usages = keyUsages.filter((usage) => this.privateKeyUsages.indexOf(usage) !== -1);
const publicKey = new EdPublicKey();
publicKey.algorithm = algorithm;
publicKey.extractable = true;
publicKey.usages = keyUsages.filter((usage) => this.publicKeyUsages.indexOf(usage) !== -1);
const type = algorithm.namedCurve.toLowerCase() as "x448"; // "x448" | "ed448" | "x25519" | "ed25519"
const keys = crypto.generateKeyPairSync(type, {
publicKeyEncoding: {
format: "der",
type: "spki",
},
privateKeyEncoding: {
format: "der",
type: "pkcs8",
},
});
privateKey.data = keys.privateKey;
publicKey.data = keys.publicKey;
const res: CryptoKeyPair = {
privateKey,
publicKey,
};
return res;
}
public static async sign(algorithm: Algorithm, key: EdPrivateKey, data: Uint8Array): Promise<ArrayBuffer> {
if (!key.pem) {
key.pem = `-----BEGIN PRIVATE KEY-----\n${key.data.toString("base64")}\n-----END PRIVATE KEY-----`;
}
const options = {
key: key.pem,
};
const signature = crypto.sign(null, Buffer.from(data), options);
return core.BufferSourceConverter.toArrayBuffer(signature);
}
public static async verify(algorithm: EcdsaParams, key: EdPublicKey, signature: Uint8Array, data: Uint8Array): Promise<boolean> {
if (!key.pem) {
key.pem = `-----BEGIN PUBLIC KEY-----\n${key.data.toString("base64")}\n-----END PUBLIC KEY-----`;
}
const options = {
key: key.pem,
};
const ok = crypto.verify(null, Buffer.from(data), options, Buffer.from(signature));
return ok;
}
public static async deriveBits(algorithm: EcdhKeyDeriveParams, baseKey: CryptoKey, length: number): Promise<ArrayBuffer> {
const publicKey = crypto.createPublicKey({
key: (algorithm.public as CryptoKey).data,
format: "der",
type: "spki",
});
const privateKey = crypto.createPrivateKey({
key: baseKey.data,
format: "der",
type: "pkcs8",
});
const bits = crypto.diffieHellman({
publicKey,
privateKey,
});
return new Uint8Array(bits).buffer.slice(0, length >> 3);
}
public static async exportKey(format: KeyFormat, key: CryptoKey): Promise<JsonWebKey | ArrayBuffer> {
switch (format.toLowerCase()) {
case "jwk":
return JsonSerializer.toJSON(key);
case "pkcs8":
case "spki":
return new Uint8Array(key.data).buffer;
case "raw": {
const publicKeyInfo = AsnParser.parse(key.data, core.asn1.PublicKeyInfo);
return publicKeyInfo.publicKey;
}
default:
throw new core.OperationError("format: Must be 'jwk', 'raw', pkcs8' or 'spki'");
}
}
public static async importKey(format: KeyFormat, keyData: JsonWebKey | ArrayBuffer, algorithm: EcKeyImportParams, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKey> {
switch (format.toLowerCase()) {
case "jwk": {
const jwk = keyData as JsonWebKey;
if (jwk.d) {
const asnKey = JsonParser.fromJSON(keyData, { targetSchema: core.asn1.CurvePrivateKey });
return this.importPrivateKey(asnKey, algorithm, extractable, keyUsages);
} else {
if (!jwk.x) {
throw new TypeError("keyData: Cannot get required 'x' filed");
}
return this.importPublicKey(Convert.FromBase64Url(jwk.x), algorithm, extractable, keyUsages);
}
}
case "raw": {
return this.importPublicKey(keyData as ArrayBuffer, algorithm, extractable, keyUsages);
}
case "spki": {
const keyInfo = AsnParser.parse(new Uint8Array(keyData as ArrayBuffer), core.asn1.PublicKeyInfo);
return this.importPublicKey(keyInfo.publicKey, algorithm, extractable, keyUsages);
}
case "pkcs8": {
const keyInfo = AsnParser.parse(new Uint8Array(keyData as ArrayBuffer), core.asn1.PrivateKeyInfo);
const asnKey = AsnParser.parse(keyInfo.privateKey, core.asn1.CurvePrivateKey);
return this.importPrivateKey(asnKey, algorithm, extractable, keyUsages);
}
default:
throw new core.OperationError("format: Must be 'jwk', 'raw', 'pkcs8' or 'spki'");
}
}
protected static importPrivateKey(asnKey: core.asn1.CurvePrivateKey, algorithm: EcKeyImportParams, extractable: boolean, keyUsages: KeyUsage[]) {
const key = new EdPrivateKey();
key.fromJSON({
crv: algorithm.namedCurve,
d: Convert.ToBase64Url(asnKey.d),
});
key.algorithm = Object.assign({}, algorithm) as EcKeyAlgorithm;
key.extractable = extractable;
key.usages = keyUsages;
return key;
}
protected static async importPublicKey(asnKey: ArrayBuffer, algorithm: EcKeyImportParams, extractable: boolean, keyUsages: KeyUsage[]) {
const key = new EdPublicKey();
key.fromJSON({
crv: algorithm.namedCurve,
x: Convert.ToBase64Url(asnKey),
});
key.algorithm = Object.assign({}, algorithm) as EcKeyAlgorithm;
key.extractable = extractable;
key.usages = keyUsages;
return key;
}
}

37
src/mechs/ed/ecdh_es.ts Normal file
View File

@ -0,0 +1,37 @@
import * as core from "webcrypto-core";
import { CryptoKey } from "../../keys";
import { getCryptoKey, setCryptoKey } from "../storage";
import { EdCrypto } from "./crypto";
export class EcdhEsProvider extends core.EcdhEsProvider {
public async onGenerateKey(algorithm: EcKeyGenParams, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKeyPair> {
const keys = await EdCrypto.generateKey(
{
name: this.name,
namedCurve: algorithm.namedCurve.toUpperCase(),
},
extractable,
keyUsages);
return {
privateKey: setCryptoKey(keys.privateKey as CryptoKey),
publicKey: setCryptoKey(keys.publicKey as CryptoKey),
};
}
public async onDeriveBits(algorithm: EcdhKeyDeriveParams, baseKey: core.CryptoKey, length: number): Promise<ArrayBuffer> {
const bits = await EdCrypto.deriveBits({...algorithm, public: getCryptoKey(algorithm.public)}, getCryptoKey(baseKey), length);
return bits;
}
public async onExportKey(format: KeyFormat, key: CryptoKey): Promise<ArrayBuffer | JsonWebKey> {
return EdCrypto.exportKey(format, getCryptoKey(key));
}
public async onImportKey(format: KeyFormat, keyData: ArrayBuffer | JsonWebKey, algorithm: EcKeyImportParams, extractable: boolean, keyUsages: KeyUsage[]): Promise<core.CryptoKey> {
const key = await EdCrypto.importKey(format, keyData, { ...algorithm, name: this.name }, extractable, keyUsages);
return setCryptoKey(key);
}
}

42
src/mechs/ed/eddsa.ts Normal file
View File

@ -0,0 +1,42 @@
import * as core from "webcrypto-core";
import { CryptoKey } from "../../keys";
import { getCryptoKey, setCryptoKey } from "../storage";
import { EdCrypto } from "./crypto";
import { EdPrivateKey } from "./private_key";
import { EdPublicKey } from "./public_key";
export class EdDsaProvider extends core.EdDsaProvider {
public async onGenerateKey(algorithm: EcKeyGenParams, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKeyPair> {
const keys = await EdCrypto.generateKey(
{
name: this.name,
namedCurve: algorithm.namedCurve.replace(/^ed/i, "Ed"),
},
extractable,
keyUsages);
return {
privateKey: setCryptoKey(keys.privateKey as CryptoKey),
publicKey: setCryptoKey(keys.publicKey as CryptoKey),
};
}
public async onSign(algorithm: EcdsaParams, key: CryptoKey, data: ArrayBuffer): Promise<ArrayBuffer> {
return EdCrypto.sign(algorithm, getCryptoKey(key) as EdPrivateKey, new Uint8Array(data));
}
public async onVerify(algorithm: EcdsaParams, key: CryptoKey, signature: ArrayBuffer, data: ArrayBuffer): Promise<boolean> {
return EdCrypto.verify(algorithm, getCryptoKey(key) as EdPublicKey, new Uint8Array(signature), new Uint8Array(data));
}
public async onExportKey(format: KeyFormat, key: CryptoKey): Promise<ArrayBuffer | JsonWebKey> {
return EdCrypto.exportKey(format, getCryptoKey(key));
}
public async onImportKey(format: KeyFormat, keyData: ArrayBuffer | JsonWebKey, algorithm: EcKeyImportParams, extractable: boolean, keyUsages: KeyUsage[]): Promise<core.CryptoKey> {
const key = await EdCrypto.importKey(format, keyData, { ...algorithm, name: this.name }, extractable, keyUsages);
return setCryptoKey(key);
}
}

32
src/mechs/ed/helper.ts Normal file
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@ -0,0 +1,32 @@
import * as core from "webcrypto-core";
const edOIDs: { [key: string]: string } = {
// Ed448
[core.asn1.idEd448]: "Ed448",
"ed448": core.asn1.idEd448,
// X448
[core.asn1.idX448]: "X448",
"x448": core.asn1.idX448,
// Ed25519
[core.asn1.idEd25519]: "Ed25519",
"ed25519": core.asn1.idEd25519,
// X25519
[core.asn1.idX25519]: "X25519",
"x25519": core.asn1.idX25519,
};
export function getNamedCurveByOid(oid: string) {
const namedCurve = edOIDs[oid];
if (!namedCurve) {
throw new core.OperationError(`Cannot convert OID(${oid}) to WebCrypto named curve`);
}
return namedCurve;
}
export function getOidByNamedCurve(namedCurve: string) {
const oid = edOIDs[namedCurve.toLowerCase()];
if (!oid) {
throw new core.OperationError(`Cannot convert WebCrypto named curve '${namedCurve}' to OID`);
}
return oid;
}

4
src/mechs/ed/index.ts Normal file
View File

@ -0,0 +1,4 @@
export * from "./eddsa";
export * from "./ecdh_es";
export * from "./private_key";
export * from "./public_key";

44
src/mechs/ed/private_key.ts Normal file
View File

@ -0,0 +1,44 @@
import { AsnParser, AsnSerializer } from "@peculiar/asn1-schema";
import { IJsonConvertible, JsonParser, JsonSerializer } from "@peculiar/json-schema";
import * as core from "webcrypto-core";
import { AsymmetricKey } from "../../keys";
import { getOidByNamedCurve } from "./helper";
export class EdPrivateKey extends AsymmetricKey implements IJsonConvertible {
public readonly type: "private" = "private";
public algorithm!: EcKeyAlgorithm;
public getKey() {
const keyInfo = AsnParser.parse(this.data, core.asn1.PrivateKeyInfo);
return AsnParser.parse(keyInfo.privateKey, core.asn1.CurvePrivateKey);
}
public toJSON() {
const key = this.getKey();
const json: JsonWebKey = {
kty: "OKP",
crv: this.algorithm.namedCurve,
key_ops: this.usages,
ext: this.extractable,
};
return Object.assign(json, JsonSerializer.toJSON(key));
}
public fromJSON(json: JsonWebKey) {
if (!json.crv) {
throw new core.OperationError(`Cannot get named curve from JWK. Property 'crv' is required`);
}
const keyInfo = new core.asn1.PrivateKeyInfo();
keyInfo.privateKeyAlgorithm.algorithm = getOidByNamedCurve(json.crv);
const key = JsonParser.fromJSON(json, { targetSchema: core.asn1.CurvePrivateKey });
keyInfo.privateKey = AsnSerializer.serialize(key);
this.data = Buffer.from(AsnSerializer.serialize(keyInfo));
return this;
}
}

49
src/mechs/ed/public_key.ts Normal file
View File

@ -0,0 +1,49 @@
import { AsnParser, AsnSerializer } from "@peculiar/asn1-schema";
import { IJsonConvertible } from "@peculiar/json-schema";
import { Convert } from "pvtsutils";
import * as core from "webcrypto-core";
import { AsymmetricKey } from "../../keys/asymmetric";
import { getOidByNamedCurve } from "./helper";
export class EdPublicKey extends AsymmetricKey implements IJsonConvertible {
public readonly type: "public" = "public";
public algorithm!: EcKeyAlgorithm;
public getKey() {
const keyInfo = AsnParser.parse(this.data, core.asn1.PublicKeyInfo);
return keyInfo.publicKey;
}
public toJSON() {
const key = this.getKey();
const json: JsonWebKey = {
kty: "OKP",
crv: this.algorithm.namedCurve,
key_ops: this.usages,
ext: this.extractable,
};
return Object.assign(json, {
x: Convert.ToBase64Url(key)
});
}
public fromJSON(json: JsonWebKey) {
if (!json.crv) {
throw new core.OperationError(`Cannot get named curve from JWK. Property 'crv' is required`);
}
if (!json.x) {
throw new core.OperationError(`Cannot get property from JWK. Property 'x' is required`);
}
const keyInfo = new core.asn1.PublicKeyInfo();
keyInfo.publicKeyAlgorithm.algorithm = getOidByNamedCurve(json.crv);
keyInfo.publicKey = Convert.FromBase64Url(json.x);
this.data = Buffer.from(AsnSerializer.serialize(keyInfo));
return this;
}
}

1
src/mechs/index.ts
View File

@ -2,6 +2,7 @@ export * from "./aes";
export * from "./des"; export * from "./des";
export * from "./rsa"; export * from "./rsa";
export * from "./ec"; export * from "./ec";
export * from "./ed";
export * from "./sha"; export * from "./sha";
export * from "./pbkdf"; export * from "./pbkdf";
export * from "./hmac"; export * from "./hmac";

14
src/subtle.ts
View File

@ -1,9 +1,12 @@
import * as process from "process";
import * as core from "webcrypto-core"; import * as core from "webcrypto-core";
import { import {
AesCbcProvider, AesCmacProvider, AesCtrProvider, AesEcbProvider, AesGcmProvider, AesKwProvider, AesCbcProvider, AesCmacProvider, AesCtrProvider, AesEcbProvider, AesGcmProvider, AesKwProvider,
DesCbcProvider, DesCbcProvider,
DesEde3CbcProvider, EcdhProvider, DesEde3CbcProvider, EcdhProvider,
EcdsaProvider, HkdfProvider, EcdsaProvider, HkdfProvider,
EdDsaProvider,
EcdhEsProvider,
HmacProvider, HmacProvider,
Pbkdf2Provider, Pbkdf2Provider,
RsaEsProvider, RsaOaepProvider, RsaPssProvider, RsaSsaProvider, RsaEsProvider, RsaOaepProvider, RsaPssProvider, RsaSsaProvider,
@ -58,5 +61,16 @@ export class SubtleCrypto extends core.SubtleCrypto {
//#region HKDF //#region HKDF
this.providers.set(new HkdfProvider()); this.providers.set(new HkdfProvider());
//#endregion //#endregion
const nodeMajorVersion = /^v(\d+)/.exec(process.version)?.[1];
if (nodeMajorVersion && parseInt(nodeMajorVersion, 10) >= 14) {
//#region EdDSA
this.providers.set(new EdDsaProvider());
//#endregion
//#region ECDH-ES
this.providers.set(new EcdhEsProvider());
//#endregion
}
} }
} }

62
test/crypto.ts
View File

@ -1,8 +1,11 @@
import assert from "assert"; import assert from "assert";
import process from "process";
import { WebcryptoTest } from "@peculiar/webcrypto-test"; import { WebcryptoTest } from "@peculiar/webcrypto-test";
import * as core from "webcrypto-core"; import * as core from "webcrypto-core";
import { Crypto } from "../src"; import { Crypto } from "../src";
const nodeMajorVersion = parseInt(/^v(\d+)/.exec(process.version)![1], 10);
const crypto = new Crypto(); const crypto = new Crypto();
WebcryptoTest.check(crypto as any, {}); WebcryptoTest.check(crypto as any, {});
@ -57,4 +60,63 @@ context("Crypto", () => {
assert.strictEqual((hmac.algorithm as globalThis.HmacKeyAlgorithm).length, 512); assert.strictEqual((hmac.algorithm as globalThis.HmacKeyAlgorithm).length, 512);
}); });
(nodeMajorVersion < 14 ? context.skip : context)("EdDSA", () => {
context("generateKey", () => {
it("Ed25519", async () => {
const keys = await crypto.subtle.generateKey({ name: "eddsa", namedCurve: "ed25519" } as globalThis.EcKeyGenParams, false, ["sign", "verify"]) as CryptoKeyPair;
assert.strictEqual(keys.privateKey.algorithm.name, "EdDSA");
assert.strictEqual((keys.privateKey.algorithm as EcKeyAlgorithm).namedCurve, "Ed25519");
});
it("Ed448", async () => {
const keys = await crypto.subtle.generateKey({ name: "eddsa", namedCurve: "ed448" } as globalThis.EcKeyGenParams, true, ["sign", "verify"]) as CryptoKeyPair;
assert.strictEqual(keys.privateKey.algorithm.name, "EdDSA");
assert.strictEqual((keys.privateKey.algorithm as EcKeyAlgorithm).namedCurve, "Ed448");
const data = await crypto.subtle.exportKey("jwk", keys.privateKey);
assert.strictEqual(data.kty, "OKP");
assert.strictEqual(data.crv, "Ed448");
assert.strictEqual(!!data.d, true);
const privateKey = await crypto.subtle.importKey("jwk", data, { name: "eddsa", namedCurve: "ed448" } as EcKeyImportParams, false, ["sign"]);
const message = Buffer.from("message");
const signature = await crypto.subtle.sign({ name: "EdDSA" }, privateKey, message);
const ok = await crypto.subtle.verify({ name: "EdDSA" }, keys.publicKey, signature, message);
assert.strictEqual(ok, true);
});
});
});
(nodeMajorVersion < 14 ? context.skip : context)("ECDH-ES", () => {
context("generateKey", () => {
it("X25519", async () => {
const keys = await crypto.subtle.generateKey({ name: "ecdh-es", namedCurve: "x25519" } as globalThis.EcKeyGenParams, false, ["deriveBits", "deriveKey"]) as CryptoKeyPair;
assert.strictEqual(keys.privateKey.algorithm.name, "ECDH-ES");
assert.strictEqual((keys.privateKey.algorithm as EcKeyAlgorithm).namedCurve, "X25519");
});
it("X448", async () => {
const keys = await crypto.subtle.generateKey({ name: "ecdh-es", namedCurve: "x448" } as globalThis.EcKeyGenParams, true, ["deriveBits", "deriveKey"]) as CryptoKeyPair;
assert.strictEqual(keys.privateKey.algorithm.name, "ECDH-ES");
assert.strictEqual((keys.privateKey.algorithm as EcKeyAlgorithm).namedCurve, "X448");
const bits = await crypto.subtle.deriveBits({ name: "ECDH-ES", public: keys.publicKey } as globalThis.EcdhKeyDeriveParams, keys.privateKey, 256);
assert.strictEqual(bits.byteLength, 32);
const data = await crypto.subtle.exportKey("jwk", keys.publicKey);
assert.strictEqual(data.kty, "OKP");
assert.strictEqual(data.crv, "X448");
assert.strictEqual(!!data.x, true);
});
});
});
}); });