@bogdan-nita/netopia-card/functions/encrypt.js

Improved Netopia card gateway library

const crypto = require('crypto');
const rc4 = require('./arc4');
const utf8 = require('utf8');

const encrypt = (publicKey, data) => {
  const buff = crypto.randomBytes(32);
  const cipher = rc4(buff);
  const encrypted = cipher.encode(data, 'binary', 'base64');
  const envKey = crypto.publicEncrypt(
    {
      key: utf8.encode(publicKey),
      padding: crypto.constants.RSA_PKCS1_PADDING,
    },
    buff
  );

  return {
    envKey: envKey.toString('base64'),
    envData: encrypted,
  };
};

module.exports = encrypt;