lazyxchacha

Lazy XChaCha20-Poly1305 in JS base on stablelib: XChaCha20Poly1305.

Algorithm details

• Key exchange: X25519
• Encryption: XChaCha20
• Authentication: Poly1305

import * as xChaCha from 'lazyxchacha'

const clientKp = xChaCha.generateKeyPair();
const serverKp = xChaCha.generateKeyPair();
const clientSharedKey = xChaCha.sharedKey(clientKp.sk, serverKp.pk);
const serverSharedKey = xChaCha.sharedKey(serverKp.sk, clientKp.pk);

const message = 'Hello';
const ciphertext = xChaCha.encrypt(message, clientSharedKey);
const plaintext = xChaCha.decrypt(ciphertext, serverSharedKey);