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32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
import { Buffer } from 'node:buffer';
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import { createHash, generateKeyPairSync, sign } from 'node:crypto';
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export function signedFixture(bytes) {
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const { publicKey, privateKey } = generateKeyPairSync('ed25519');
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const keyId = Buffer.alloc(8, 7);
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const key = Buffer.concat([
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Buffer.from('Ed'),
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keyId,
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publicKey.export({ type: 'spki', format: 'der' }).subarray(-32),
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]);
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const signature = sign(
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null,
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createHash('blake2b512').update(bytes).digest(),
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privateKey,
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);
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const trusted = 'timestamp:123456';
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const globalSignature = sign(
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null,
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Buffer.concat([signature, Buffer.from(trusted)]),
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privateKey,
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);
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return {
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publicKey: Buffer.from(
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`untrusted comment: test\n${key.toString('base64')}\n`,
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).toString('base64'),
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signature: Buffer.from(
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`untrusted comment: test\n${Buffer.concat([Buffer.from('ED'), keyId, signature]).toString('base64')}\ntrusted comment: ${trusted}\n${globalSignature.toString('base64')}\n`,
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).toString('base64'),
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};
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}
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