node_modules/public-encrypt/test/nodeTests.js

var crypto = require('../browser');
var test = require('tape');
var fs = require('fs');

// Test RSA encryption/decryption
test('node tests', function (t) {
  var certPem = fs.readFileSync(__dirname + '/test_cert.pem', 'ascii');
  var keyPem = fs.readFileSync(__dirname + '/test_key.pem', 'ascii');
  var rsaPubPem = fs.readFileSync(__dirname + '/test_rsa_pubkey.pem',
      'ascii');
  var rsaKeyPem = fs.readFileSync(__dirname + '/test_rsa_privkey.pem',
      'ascii');
  var rsaKeyPemEncrypted = fs.readFileSync(
  __dirname + '/test_rsa_privkey_encrypted.pem', 'ascii');
  var input = 'I AM THE WALRUS';
  var bufferToEncrypt = new Buffer(input);

  var encryptedBuffer = crypto.publicEncrypt(rsaPubPem, bufferToEncrypt);

  var decryptedBuffer = crypto.privateDecrypt(rsaKeyPem, encryptedBuffer);
  t.equal(input, decryptedBuffer.toString());

  var decryptedBufferWithPassword = crypto.privateDecrypt({
    key: rsaKeyPemEncrypted,
    passphrase: 'password'
  }, encryptedBuffer);
  t.equal(input, decryptedBufferWithPassword.toString());

  // encryptedBuffer = crypto.publicEncrypt(certPem, bufferToEncrypt);

  // decryptedBuffer = crypto.privateDecrypt(keyPem, encryptedBuffer);
  // t.equal(input, decryptedBuffer.toString());

  encryptedBuffer = crypto.publicEncrypt(keyPem, bufferToEncrypt);

  decryptedBuffer = crypto.privateDecrypt(keyPem, encryptedBuffer);
  t.equal(input, decryptedBuffer.toString());

  encryptedBuffer = crypto.privateEncrypt(keyPem, bufferToEncrypt);

  decryptedBuffer = crypto.publicDecrypt(keyPem, encryptedBuffer);
  t.equal(input, decryptedBuffer.toString());

  t.throws(function() {
    crypto.privateDecrypt({
      key: rsaKeyPemEncrypted,
      passphrase: 'wrong'
    }, encryptedBuffer);
  });
  t.end();
});