keygentoolshed/keyGen/sheKeyGenerator.js

Key generation utilities for cryptographic operations. QUANTUM ENCRYPTION FOLDER UPDATE!!! See its folder for all <3

import crypto from 'crypto';
import fs from 'fs';
import yargs from 'yargs/yargs'; 
import { hideBin } from 'yargs/helpers'; 

const argv = yargs(hideBin(process.argv)) // arguments
    .option('keymode', {
      alias: 'km',
      description: 'Choose key mode: RSA or symmetric',
      type: 'string',
      choices: ['RSA', 'symmetric'],
      demandOption: true
    })
    .help()
    .argv;

function generateSymmetricKey() {
  const symmetricKey = crypto.randomBytes(32);
  fs.writeFileSync('symmetricKey.bin', symmetricKey);
  console.log('Generated Symmetric key (RAW):', symmetricKey);
}

function generateRSAKeys() {
  const { publicKey, privateKey } = crypto.generateKeyPairSync('rsa', {
    modulusLength: 2048,
    publicKeyEncoding: {
      type: 'spki',
      format: 'pem'
    },
    privateKeyEncoding: {
      type: 'pkcs8',
      format: 'pem'
    }
  });

  fs.writeFileSync('publicKey.pem', publicKey);
  fs.writeFileSync('privateKey.pem', privateKey);
  console.log('Generated RSA Public Key:\n', publicKey);
  console.log('Generated RSA Private Key:\n', privateKey);
}

if (argv.keymode === 'symmetric') {
  generateSymmetricKey();
} else if (argv.keymode === 'RSA') {
  generateRSAKeys();
}