lokinet/llarp/crypto/crypto_libsodium.hpp

#ifndef LLARP_CRYPTO_LIBSODIUM_HPP
#define LLARP_CRYPTO_LIBSODIUM_HPP

#include <crypto/crypto.hpp>

namespace llarp
{
  namespace sodium
  {
    struct CryptoLibSodium final : public Crypto
    {
      CryptoLibSodium();

      ~CryptoLibSodium() override = default;

      /// xchacha symmetric cipher
      bool
      xchacha20(const llarp_buffer_t &, const SharedSecret &,
                const TunnelNonce &) override;

      /// xchacha symmetric cipher (multibuffer)
      bool
      xchacha20_alt(const llarp_buffer_t &, const llarp_buffer_t &,
                    const SharedSecret &, const byte_t *) override;

      /// path dh creator's side
      bool
      dh_client(SharedSecret &, const PubKey &, const SecretKey &,
                const TunnelNonce &) override;
      /// path dh relay side
      bool
      dh_server(SharedSecret &, const PubKey &, const SecretKey &,
                const TunnelNonce &) override;
      /// transport dh client side
      bool
      transport_dh_client(SharedSecret &, const PubKey &, const SecretKey &,
                          const TunnelNonce &) override;
      /// transport dh server side
      bool
      transport_dh_server(SharedSecret &, const PubKey &, const SecretKey &,
                          const TunnelNonce &) override;
      /// blake2b 256 bit
      bool
      shorthash(ShortHash &, const llarp_buffer_t &) override;
      /// blake2s 256 bit hmac
      bool
      hmac(byte_t *, const llarp_buffer_t &, const SharedSecret &) override;
      /// ed25519 sign
      bool
      sign(Signature &, const SecretKey &, const llarp_buffer_t &) override;
      /// ed25519 verify
      bool
      verify(const PubKey &, const llarp_buffer_t &,
             const Signature &) override;

      /// seed to secretkey
      bool
      seed_to_secretkey(llarp::SecretKey &,
                        const llarp::IdentitySecret &) override;
      /// randomize buffer
      void
      randomize(const llarp_buffer_t &) override;
      /// randomizer memory
      void
      randbytes(byte_t *, size_t) override;
      /// generate signing keypair
      void
      identity_keygen(SecretKey &) override;
      /// generate encryption keypair
      void
      encryption_keygen(SecretKey &) override;
      /// generate post quantum encrytion key
      void
      pqe_keygen(PQKeyPair &) override;
      /// post quantum decrypt (buffer, sharedkey_dst, sec)
      bool
      pqe_decrypt(const PQCipherBlock &, SharedSecret &,
                  const byte_t *) override;
      /// post quantum encrypt (buffer, sharedkey_dst,  pub)
      bool
      pqe_encrypt(PQCipherBlock &, SharedSecret &, const PQPubKey &) override;
    };
  }  // namespace sodium

}  // namespace llarp

#endif