30 lines
652 B
TypeScript
30 lines
652 B
TypeScript
import { randomBytes } from 'crypto';
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import {
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calculateSignature,
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generateKeyPair,
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verifySignature,
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} from 'curve25519-n';
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export function keyPair(): Record<string, Buffer> {
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const privateKey = randomBytes(32);
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const { pubKey, privKey } = generateKeyPair(privateKey);
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return {
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publicKey: pubKey,
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privateKey: privKey,
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};
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}
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export function sign(privateKey: Buffer, message: Buffer): Buffer {
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return calculateSignature(privateKey, message);
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}
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export function verify(
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publicKey: Buffer,
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message: Buffer,
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signature: Buffer
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): boolean {
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const failed = verifySignature(publicKey, message, signature);
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return !failed;
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}
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