Function encryptRaw

libminifi/src/utils/EncryptionUtils.cpp:64–77

std::string EncryptionType::separator() { return "||"; }

Bytes encryptRaw(const Bytes& plaintext, const Bytes& key, const Bytes& nonce) {
  if (key.size() != EncryptionType::keyLength()) {
    throw std::invalid_argument{"Expected key of " + std::to_string(EncryptionType::keyLength()) +
        " bytes, but got " + std::to_string(key.size()) + " bytes during encryption"};
  }
  if (nonce.size() != EncryptionType::nonceLength()) {
    throw std::invalid_argument{"Expected nonce of " + std::to_string(EncryptionType::nonceLength()) +
        " bytes, but got " + std::to_string(nonce.size()) + " bytes during encryption"};
  }

  Bytes ciphertext_plus_mac(plaintext.size() + EncryptionType::macLength());
  crypto_secretbox_easy(ciphertext_plus_mac.data(), plaintext.data(), plaintext.size(), nonce.data(), key.data());
  return ciphertext_plus_mac;
}

std::string encrypt(const std::string& plaintext, const Bytes& key) {
  Bytes nonce = randomBytes(EncryptionType::nonceLength());