crypto-keygen-suite/keyGen/xchacha20keygen.js

Key generation utilities for cryptographic operations. YES I RENAMED IT OMG BASES AND PROTOCOLS!!! See its folder for all <3

import nacl from 'tweetnacl';
import { randomBytes } from 'crypto';

const args = process.argv.slice(2);
const bitsArg = args.find(arg => arg.startsWith('--bits:'));
const messageArg = args.find(arg => arg.startsWith('--message:'));

if (!bitsArg || !messageArg) {
    console.error("Usage: node xchacha20keygen.js --bits:<bits> --message:<message>");
    process.exit(1);
}

const bits = parseInt(bitsArg.split(':')[1], 10);
const message = messageArg.split(':')[1];

if (bits !== 256) {
    console.error("Only 256 bits are supported for XChaCha20.");
    process.exit(1);
}

const key = randomBytes(32); // 32 bytes = 256 bits
const nonce = randomBytes(24); // 24 bytes = 192 bits

const messageBuffer = new TextEncoder().encode(message);
const ciphertext = nacl.secretbox(messageBuffer, nonce, key);

// Convert Buffers to hex strings
const keyHex = key.toString('hex');
const nonceHex = nonce.toString('hex');
const ciphertextHex = Buffer.from(ciphertext).toString('hex');

console.log("Generated Key (HEX):", keyHex);
console.log("Generated Nonce (HEX):", nonceHex);
console.log("Ciphertext (HEX):", ciphertextHex);