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1. ed25519キーペアを発行・Personとして公開鍵を送受信

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tamaina 2024-02-26 20:49:40 +00:00
parent 0fb7b98f96
commit 02dfe0a3d5
13 changed files with 274 additions and 36 deletions
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43
packages/backend/migration/1708980134301-APMultipleKeys.js Normal file
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@ -0,0 +1,43 @@
/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
export class APMultipleKeys1708980134301 {
name = 'APMultipleKeys1708980134301'
async up(queryRunner) {
await queryRunner.query(`DROP INDEX "public"."IDX_171e64971c780ebd23fae140bb"`);
await queryRunner.query(`ALTER TABLE "user_keypair" ADD "ed25519PublicKey" character varying(128)`);
await queryRunner.query(`ALTER TABLE "user_keypair" ADD "ed25519PrivateKey" character varying(128)`);
await queryRunner.query(`ALTER TABLE "user_keypair" ADD "ed25519PublicKeySignature" character varying(720)`);
await queryRunner.query(`ALTER TABLE "user_keypair" ADD "ed25519SignatureAlgorithm" character varying(32)`);
await queryRunner.query(`ALTER TABLE "user_publickey" DROP CONSTRAINT "FK_10c146e4b39b443ede016f6736d"`);
await queryRunner.query(`ALTER TABLE "user_publickey" DROP CONSTRAINT "PK_10c146e4b39b443ede016f6736d"`);
await queryRunner.query(`ALTER TABLE "user_publickey" ADD CONSTRAINT "PK_0db6a5fdb992323449edc8ee421" PRIMARY KEY ("userId", "keyId")`);
await queryRunner.query(`ALTER TABLE "user_publickey" DROP CONSTRAINT "PK_0db6a5fdb992323449edc8ee421"`);
await queryRunner.query(`ALTER TABLE "user_publickey" ADD CONSTRAINT "PK_171e64971c780ebd23fae140bba" PRIMARY KEY ("keyId")`);
await queryRunner.query(`ALTER TABLE "user_publickey" ADD CONSTRAINT "UQ_10c146e4b39b443ede016f6736d" UNIQUE ("userId")`);
await queryRunner.query(`CREATE INDEX "IDX_10c146e4b39b443ede016f6736" ON "user_publickey" ("userId") `);
await queryRunner.query(`ALTER TABLE "user_publickey" ADD CONSTRAINT "FK_10c146e4b39b443ede016f6736d" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
}
async down(queryRunner) {
await queryRunner.query(`ALTER TABLE "user_publickey" DROP CONSTRAINT "FK_10c146e4b39b443ede016f6736d"`);
await queryRunner.query(`DROP INDEX "public"."IDX_10c146e4b39b443ede016f6736"`);
await queryRunner.query(`ALTER TABLE "user_publickey" DROP CONSTRAINT "UQ_10c146e4b39b443ede016f6736d"`);
await queryRunner.query(`ALTER TABLE "user_publickey" DROP CONSTRAINT "PK_171e64971c780ebd23fae140bba"`);
await queryRunner.query(`ALTER TABLE "user_publickey" ADD CONSTRAINT "PK_0db6a5fdb992323449edc8ee421" PRIMARY KEY ("userId", "keyId")`);
await queryRunner.query(`ALTER TABLE "user_publickey" DROP CONSTRAINT "PK_0db6a5fdb992323449edc8ee421"`);
await queryRunner.query(`ALTER TABLE "user_publickey" ADD CONSTRAINT "PK_10c146e4b39b443ede016f6736d" PRIMARY KEY ("userId")`);
await queryRunner.query(`ALTER TABLE "user_publickey" ADD CONSTRAINT "FK_10c146e4b39b443ede016f6736d" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
await queryRunner.query(`ALTER TABLE "user_profile" ALTER COLUMN "followersVisibility" DROP DEFAULT`);
await queryRunner.query(`ALTER TABLE "user_profile" ALTER COLUMN "followersVisibility" TYPE "public"."user_profile_followersVisibility_enum_old" USING "followersVisibility"::"text"::"public"."user_profile_followersVisibility_enum_old"`);
await queryRunner.query(`ALTER TABLE "user_profile" ALTER COLUMN "followersVisibility" SET DEFAULT 'public'`);
await queryRunner.query(`ALTER TABLE "user_keypair" DROP COLUMN "ed25519SignatureAlgorithm"`);
await queryRunner.query(`ALTER TABLE "user_keypair" DROP COLUMN "ed25519PublicKeySignature"`);
await queryRunner.query(`ALTER TABLE "user_keypair" DROP COLUMN "ed25519PrivateKey"`);
await queryRunner.query(`ALTER TABLE "user_keypair" DROP COLUMN "ed25519PublicKey"`);
await queryRunner.query(`CREATE UNIQUE INDEX "IDX_171e64971c780ebd23fae140bb" ON "user_publickey" ("keyId") `);
}
}

1
packages/backend/src/core/GlobalEventService.ts
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@ -240,6 +240,7 @@ export interface InternalEventTypes {
unmute: { muterId: MiUser['id']; muteeId: MiUser['id']; };
userListMemberAdded: { userListId: MiUserList['id']; memberId: MiUser['id']; };
userListMemberRemoved: { userListId: MiUserList['id']; memberId: MiUser['id']; };
userKeypairUpdated: { userId: MiUser['id']; };
}
// name/messages(spec) pairs dictionary

45
packages/backend/src/core/UserKeypairService.ts
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@ -3,6 +3,7 @@
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { sign } from 'node:crypto';
import { Inject, Injectable, OnApplicationShutdown } from '@nestjs/common';
import * as Redis from 'ioredis';
import type { MiUser } from '@/models/User.js';
@ -11,6 +12,8 @@ import { RedisKVCache } from '@/misc/cache.js';
import type { MiUserKeypair } from '@/models/UserKeypair.js';
import { DI } from '@/di-symbols.js';
import { bindThis } from '@/decorators.js';
import { ED25519_SIGN_ALGORITHM, genEd25519KeyPair } from '@/misc/gen-key-pair.js';
import { GlobalEventService, GlobalEvents } from '@/core/GlobalEventService.js';
@Injectable()
export class UserKeypairService implements OnApplicationShutdown {
@ -19,9 +22,12 @@ export class UserKeypairService implements OnApplicationShutdown {
constructor(
@Inject(DI.redis)
private redisClient: Redis.Redis,
@Inject(DI.redisForSub)
private redisForSub: Redis.Redis,
@Inject(DI.userKeypairsRepository)
private userKeypairsRepository: UserKeypairsRepository,
private globalEventService: GlobalEventService,
) {
this.cache = new RedisKVCache<MiUserKeypair>(this.redisClient, 'userKeypair', {
lifetime: 1000 * 60 * 60 * 24, // 24h
@ -30,6 +36,8 @@ export class UserKeypairService implements OnApplicationShutdown {
toRedisConverter: (value) => JSON.stringify(value),
fromRedisConverter: (value) => JSON.parse(value),
});
this.redisForSub.on('message', this.onMessage);
}
@bindThis
@ -37,6 +45,41 @@ export class UserKeypairService implements OnApplicationShutdown {
return await this.cache.fetch(userId);
}
@bindThis
public async refresh(userId: MiUser['id']): Promise<void> {
return await this.cache.refresh(userId);
}
@bindThis
public async prepareEd25519KeyPair(userId: MiUser['id']): Promise<void> {
await this.refresh(userId);
const keypair = await this.cache.fetch(userId);
if (keypair.ed25519PublicKey != null) return;
const ed25519 = await genEd25519KeyPair();
const ed25519PublicKeySignature = sign(ED25519_SIGN_ALGORITHM, Buffer.from(ed25519.publicKey), keypair.privateKey).toString('base64');
await this.userKeypairsRepository.update({ userId }, {
ed25519PublicKey: ed25519.publicKey,
ed25519PrivateKey: ed25519.privateKey,
ed25519PublicKeySignature,
ed25519SignatureAlgorithm: `rsa-${ED25519_SIGN_ALGORITHM}`,
});
this.globalEventService.publishInternalEvent('userKeypairUpdated', { userId });
}
@bindThis
private async onMessage(_: string, data: string): Promise<void> {
const obj = JSON.parse(data);
if (obj.channel === 'internal') {
const { type, body } = obj.message as GlobalEvents['internal']['payload'];
switch (type) {
case 'userKeypairUpdated': {
this.refresh(body.userId);
break;
}
}
}
}
@bindThis
public dispose(): void {
this.cache.dispose();

6
packages/backend/src/core/activitypub/ApDbResolverService.ts
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@ -36,7 +36,7 @@ export type UriParseResult = {
@Injectable()
export class ApDbResolverService implements OnApplicationShutdown {
private publicKeyCache: MemoryKVCache<MiUserPublickey | null>;
private publicKeyByUserIdCache: MemoryKVCache<MiUserPublickey | null>;
private publicKeyByUserIdCache: MemoryKVCache<MiUserPublickey[] | null>;
constructor(
@Inject(DI.config)
@ -55,7 +55,7 @@ export class ApDbResolverService implements OnApplicationShutdown {
private apPersonService: ApPersonService,
) {
this.publicKeyCache = new MemoryKVCache<MiUserPublickey | null>(Infinity);
this.publicKeyByUserIdCache = new MemoryKVCache<MiUserPublickey | null>(Infinity);
this.publicKeyByUserIdCache = new MemoryKVCache<MiUserPublickey[] | null>(Infinity);
}
@bindThis
@ -159,7 +159,7 @@ export class ApDbResolverService implements OnApplicationShutdown {
const key = await this.publicKeyByUserIdCache.fetch(
user.id,
() => this.userPublickeysRepository.findOneBy({ userId: user.id }),
() => this.userPublickeysRepository.find({ where: { userId: user.id } }),
v => v != null,
);

21
packages/backend/src/core/activitypub/ApDeliverManagerService.ts
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@ -9,10 +9,10 @@ import { DI } from '@/di-symbols.js';
import type { FollowingsRepository } from '@/models/_.js';
import type { MiLocalUser, MiRemoteUser, MiUser } from '@/models/User.js';
import { QueueService } from '@/core/QueueService.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import { bindThis } from '@/decorators.js';
import type { IActivity } from '@/core/activitypub/type.js';
import { ThinUser } from '@/queue/types.js';
import { UserKeypairService } from '../UserKeypairService.js';
interface IRecipe {
type: string;
@ -40,14 +40,14 @@ class DeliverManager {
/**
* Constructor
* @param userEntityService
* @param userKeypairService
* @param followingsRepository
* @param queueService
* @param actor Actor
* @param activity Activity to deliver
*/
constructor(
private userEntityService: UserEntityService,
private userKeypairService: UserKeypairService,
private followingsRepository: FollowingsRepository,
private queueService: QueueService,
@ -105,6 +105,13 @@ class DeliverManager {
*/
@bindThis
public async execute(): Promise<void> {
//#region MIGRATION
/**
* ed25519の署名がなければ追加する
*/
await this.userKeypairService.prepareEd25519KeyPair(this.actor.id);
//#endregion
// The value flags whether it is shared or not.
// key: inbox URL, value: whether it is sharedInbox
const inboxes = new Map<string, boolean>();
@ -154,7 +161,7 @@ export class ApDeliverManagerService {
@Inject(DI.followingsRepository)
private followingsRepository: FollowingsRepository,
private userEntityService: UserEntityService,
private userKeypairService: UserKeypairService,
private queueService: QueueService,
) {
}
@ -167,7 +174,7 @@ export class ApDeliverManagerService {
@bindThis
public async deliverToFollowers(actor: { id: MiLocalUser['id']; host: null; }, activity: IActivity): Promise<void> {
const manager = new DeliverManager(
this.userEntityService,
this.userKeypairService,
this.followingsRepository,
this.queueService,
actor,
@ -186,7 +193,7 @@ export class ApDeliverManagerService {
@bindThis
public async deliverToUser(actor: { id: MiLocalUser['id']; host: null; }, activity: IActivity, to: MiRemoteUser): Promise<void> {
const manager = new DeliverManager(
this.userEntityService,
this.userKeypairService,
this.followingsRepository,
this.queueService,
actor,
@ -199,7 +206,7 @@ export class ApDeliverManagerService {
@bindThis
public createDeliverManager(actor: { id: MiUser['id']; host: null; }, activity: IActivity | null): DeliverManager {
return new DeliverManager(
this.userEntityService,
this.userKeypairService,
this.followingsRepository,
this.queueService,

12
packages/backend/src/core/activitypub/ApRendererService.ts
View File

@ -250,15 +250,16 @@ export class ApRendererService {
}
@bindThis
public renderKey(user: MiLocalUser, key: MiUserKeypair, postfix?: string): IKey {
public renderKey(user: MiLocalUser, publicKey: string, postfix?: string, signature?: IKey['signature']): IKey {
return {
id: `${this.config.url}/users/${user.id}${postfix ?? '/publickey'}`,
type: 'Key',
owner: this.userEntityService.genLocalUserUri(user.id),
publicKeyPem: createPublicKey(key.publicKey).export({
publicKeyPem: createPublicKey(publicKey).export({
type: 'spki',
format: 'pem',
}),
}) as string,
signature,
};
}
@ -498,7 +499,10 @@ export class ApRendererService {
tag,
manuallyApprovesFollowers: user.isLocked,
discoverable: user.isExplorable,
publicKey: this.renderKey(user, keypair, '#main-key'),
publicKey: this.renderKey(user, keypair.publicKey, '#main-key'),
additionalPublicKeys: [
...(keypair.ed25519PublicKey ? [this.renderKey(user, keypair.ed25519PublicKey, '#ed25519-key', { type: keypair.ed25519SignatureAlgorithm!, signatureValue: keypair.ed25519PublicKeySignature! })] : []),
],
isCat: user.isCat,
attachment: attachment.length ? attachment : undefined,
};

46
packages/backend/src/core/activitypub/models/ApPersonService.ts
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@ -3,9 +3,10 @@
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { verify } from 'crypto';
import { Inject, Injectable } from '@nestjs/common';
import promiseLimit from 'promise-limit';
import { DataSource } from 'typeorm';
import { DataSource, In, Not } from 'typeorm';
import { ModuleRef } from '@nestjs/core';
import { DI } from '@/di-symbols.js';
import type { FollowingsRepository, InstancesRepository, UserProfilesRepository, UserPublickeysRepository, UsersRepository } from '@/models/_.js';
@ -357,10 +358,25 @@ export class ApPersonService implements OnModuleInit {
if (person.publicKey) {
await transactionalEntityManager.save(new MiUserPublickey({
userId: user.id,
keyId: person.publicKey.id,
userId: user.id,
keyPem: person.publicKey.publicKeyPem,
}));
if (person.additionalPublicKeys) {
for (const key of person.additionalPublicKeys) {
if (
key.signature && key.signature.type && key.signature.signatureValue &&
verify(key.signature.type, Buffer.from(key.publicKeyPem), person.publicKey.publicKeyPem, Buffer.from(key.signature.signatureValue, 'base64'))
) {
await transactionalEntityManager.save(new MiUserPublickey({
keyId: key.id,
userId: user.id,
keyPem: key.publicKeyPem,
}));
}
}
}
}
});
} catch (e) {
@ -506,13 +522,35 @@ export class ApPersonService implements OnModuleInit {
// Update user
await this.usersRepository.update(exist.id, updates);
const availablePublicKeys = new Set<string>();
if (person.publicKey) {
await this.userPublickeysRepository.update({ userId: exist.id }, {
keyId: person.publicKey.id,
await this.userPublickeysRepository.update({ keyId: person.publicKey.id }, {
userId: exist.id,
keyPem: person.publicKey.publicKeyPem,
});
availablePublicKeys.add(person.publicKey.id);
if (person.additionalPublicKeys) {
for (const key of person.additionalPublicKeys) {
if (
key.signature && key.signature.type && key.signature.signatureValue &&
verify(key.signature.type, Buffer.from(key.publicKeyPem), person.publicKey.publicKeyPem, Buffer.from(key.signature.signatureValue, 'base64'))
) {
await this.userPublickeysRepository.update({ keyId: key.id }, {
userId: exist.id,
keyPem: key.publicKeyPem,
});
availablePublicKeys.add(key.id);
}
}
}
}
this.userPublickeysRepository.delete({
keyId: Not(In(Array.from(availablePublicKeys))),
userId: exist.id,
});
let _description: string | null = null;
if (person._misskey_summary) {

17
packages/backend/src/core/activitypub/type.ts
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@ -168,10 +168,8 @@ export interface IActor extends IObject {
discoverable?: boolean;
inbox: string;
sharedInbox?: string; // 後方互換性のため
publicKey?: {
id: string;
publicKeyPem: string;
};
publicKey?: IKey;
additionalPublicKeys?: IKey[];
followers?: string | ICollection | IOrderedCollection;
following?: string | ICollection | IOrderedCollection;
featured?: string | IOrderedCollection;
@ -235,8 +233,17 @@ export const isEmoji = (object: IObject): object is IApEmoji =>
export interface IKey extends IObject {
type: 'Key';
id: string;
owner: string;
publicKeyPem: string | Buffer;
publicKeyPem: string;
/**
* Signature of publicKeyPem, signed by root privateKey (for additionalPublicKey)
*/
signature?: {
type: string;
signatureValue: string
};
}
export interface IApDocument extends IObject {

23
packages/backend/src/misc/gen-key-pair.ts
View File

@ -8,7 +8,9 @@ import * as util from 'node:util';
const generateKeyPair = util.promisify(crypto.generateKeyPair);
export async function genRsaKeyPair(modulusLength = 2048) {
export const ED25519_SIGN_ALGORITHM = 'sha256';
export async function genRsaKeyPair(modulusLength = 4096) {
return await generateKeyPair('rsa', {
modulusLength,
publicKeyEncoding: {
@ -24,9 +26,8 @@ export async function genRsaKeyPair(modulusLength = 2048) {
});
}
export async function genEcKeyPair(namedCurve: 'prime256v1' | 'secp384r1' | 'secp521r1' | 'curve25519' = 'prime256v1') {
return await generateKeyPair('ec', {
namedCurve,
export async function genEd25519KeyPair() {
return await generateKeyPair('ed25519', {
publicKeyEncoding: {
type: 'spki',
format: 'pem',
@ -39,3 +40,17 @@ export async function genEcKeyPair(namedCurve: 'prime256v1' | 'secp384r1' | 'sec
},
});
}
export async function genRSAAndEd25519KeyPair(rsaModulusLength = 4096) {
const rsa = await genRsaKeyPair(rsaModulusLength);
const ed25519 = await genEd25519KeyPair();
const ed25519PublicKeySignature = crypto.sign(ED25519_SIGN_ALGORITHM, Buffer.from(ed25519.publicKey), rsa.privateKey).toString('base64');
return {
publicKey: rsa.publicKey,
privateKey: rsa.privateKey,
ed25519PublicKey: ed25519.publicKey,
ed25519PrivateKey: ed25519.privateKey,
ed25519PublicKeySignature,
ed25519SignatureAlgorithm: `rsa-${ED25519_SIGN_ALGORITHM}`,
};
}

40
packages/backend/src/models/UserKeypair.ts
View File

@ -18,16 +18,56 @@ export class MiUserKeypair {
@JoinColumn()
public user: MiUser | null;
/**
* RSA public key
*/
@Column('varchar', {
length: 4096,
})
public publicKey: string;
/**
* RSA private key
*/
@Column('varchar', {
length: 4096,
})
public privateKey: string;
@Column('varchar', {
length: 128,
nullable: true,
default: null,
})
public ed25519PublicKey: string | null;
@Column('varchar', {
length: 128,
nullable: true,
default: null,
})
public ed25519PrivateKey: string | null;
/**
* Signature of ed25519PublicKey, signed by privateKey. (base64)
*/
@Column('varchar', {
length: 720,
nullable: true,
default: null,
})
public ed25519PublicKeySignature: string | null;
/**
* Signature algorithm of ed25519PublicKeySignature.
*/
@Column('varchar', {
length: 32,
nullable: true,
default: null,
})
public ed25519SignatureAlgorithm: string | null;
constructor(data: Partial<MiUserKeypair>) {
if (data == null) return;

14
packages/backend/src/models/UserPublickey.ts
View File

@ -9,7 +9,13 @@ import { MiUser } from './User.js';
@Entity('user_publickey')
export class MiUserPublickey {
@PrimaryColumn(id())
@PrimaryColumn('varchar', {
length: 256,
})
public keyId: string;
@Index()
@Column(id())
public userId: MiUser['id'];
@OneToOne(type => MiUser, {
@ -18,12 +24,6 @@ export class MiUserPublickey {
@JoinColumn()
public user: MiUser | null;
@Index({ unique: true })
@Column('varchar', {
length: 256,
})
public keyId: string;
@Column('varchar', {
length: 4096,
})

2
packages/backend/src/server/ActivityPubServerService.ts
View File

@ -640,7 +640,7 @@ export class ActivityPubServerService {
if (this.userEntityService.isLocalUser(user)) {
reply.header('Cache-Control', 'public, max-age=180');
this.setResponseType(request, reply);
return (this.apRendererService.addContext(this.apRendererService.renderKey(user, keypair)));
return (this.apRendererService.addContext(this.apRendererService.renderKey(user, keypair.publicKey)));
} else {
reply.code(400);
return;

40
packages/backend/test/unit/misc/gen-key-pair.ts Normal file
View File

@ -0,0 +1,40 @@
import * as crypto from 'node:crypto';
import { genRSAAndEd25519KeyPair } from '@/misc/gen-key-pair.js';
describe(genRSAAndEd25519KeyPair, () => {
test('generates key pair', async () => {
const keyPair = await genRSAAndEd25519KeyPair();
// 毎回違うキーペアが生成されることを確認するために2回生成して比較してみる
const keyPair2 = await genRSAAndEd25519KeyPair();
console.log(Object.entries(keyPair).map(([k, v]) => `${k}: ${v.length}`).join('\n'));
console.log(Object.entries(keyPair).map(([k, v]) => `${k}\n${v}`).join('\n'));
expect(keyPair.publicKey).toMatch(/^-----BEGIN PUBLIC KEY-----/);
expect(keyPair.publicKey).toMatch(/-----END PUBLIC KEY-----\n$/);
expect(keyPair.publicKey).not.toBe(keyPair2.publicKey);
const publicKeyObj = crypto.createPublicKey(keyPair.publicKey);
expect(publicKeyObj.asymmetricKeyType).toBe('rsa');
expect(keyPair.privateKey).toMatch(/^-----BEGIN PRIVATE KEY-----/);
expect(keyPair.privateKey).toMatch(/-----END PRIVATE KEY-----\n$/);
expect(keyPair.privateKey).not.toBe(keyPair2.privateKey);
expect(keyPair.ed25519PublicKey).toMatch(/^-----BEGIN PUBLIC KEY-----/);
expect(keyPair.ed25519PublicKey).toMatch(/-----END PUBLIC KEY-----\n$/);
expect(keyPair.ed25519PublicKey).not.toBe(keyPair2.ed25519PublicKey);
const ed25519PublicKeyObj = crypto.createPublicKey(keyPair.ed25519PublicKey);
expect(ed25519PublicKeyObj.asymmetricKeyType).toBe('ed25519');
expect(keyPair.ed25519PrivateKey).toMatch(/^-----BEGIN PRIVATE KEY-----/);
expect(keyPair.ed25519PrivateKey).toMatch(/-----END PRIVATE KEY-----\n$/);
expect(keyPair.ed25519PrivateKey).not.toBe(keyPair2.ed25519PrivateKey);
expect(keyPair.ed25519PublicKeySignature).toBe(
crypto.sign(keyPair.ed25519SignatureAlgorithm.split('-').pop(), Buffer.from(keyPair.ed25519PublicKey), keyPair.privateKey).toString('base64'),
);
expect(crypto.verify(keyPair.ed25519SignatureAlgorithm, Buffer.from(keyPair.ed25519PublicKey), keyPair.publicKey, Buffer.from(keyPair.ed25519PublicKeySignature, 'base64'))).toBe(true);
expect(keyPair.ed25519PublicKeySignature).not.toBe(keyPair2.ed25519PublicKeySignature);
//const imported = await webCrypto.subtle.importKey('spki', Buffer.from(keyPair.publicKey).buffer, { name: 'rsa-pss', hash: 'sha-256' }, false, ['verify']);
});
});