lokinet/llarp/quic/null_crypto.hpp

#pragma once

#include "connection.hpp"

#include <array>
#include <cstdint>

#include <ngtcp2/ngtcp2.h>

namespace llarp::quic
{
  // Class providing do-nothing stubs for quic crypto operations: everything over lokinet is already
  // encrypted so we just no-op QUIC's built in crypto operations.
  struct NullCrypto
  {
    NullCrypto();

    void
    client_initial(Connection& conn);

    void
    server_initial(Connection& conn);

    bool
    install_tx_handshake_key(Connection& conn);
    bool
    install_tx_key(Connection& conn);

    bool
    install_rx_handshake_key(Connection& conn);
    bool
    install_rx_key(Connection& conn);

   private:
    std::array<uint8_t, 8> null_iv{};
    // std::array<uint8_t, 4096> null_data{};

    ngtcp2_crypto_ctx null_ctx{};
    ngtcp2_crypto_aead null_aead{};
    ngtcp2_crypto_aead_ctx null_aead_ctx{};
    ngtcp2_crypto_cipher_ctx null_cipher_ctx{};
  };

}  // namespace llarp::quic