114 lines
2.6 KiB
C++
114 lines
2.6 KiB
C++
/* Copyright 2015 OpenMarket Ltd
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
#ifndef AXOLOTL_SESSION_HH_
|
|
#define AXOLOTL_SESSION_HH_
|
|
|
|
#include "axolotl/ratchet.hh"
|
|
|
|
namespace axolotl {
|
|
|
|
class Account;
|
|
|
|
struct RemoteKey {
|
|
std::uint32_t id;
|
|
Curve25519PublicKey key;
|
|
};
|
|
|
|
|
|
enum struct MessageType {
|
|
PRE_KEY = 0,
|
|
MESSAGE = 1,
|
|
};
|
|
|
|
|
|
struct Session {
|
|
|
|
Session();
|
|
|
|
Ratchet ratchet;
|
|
ErrorCode last_error;
|
|
|
|
bool received_message;
|
|
|
|
RemoteKey alice_identity_key;
|
|
Curve25519PublicKey alice_base_key;
|
|
std::uint32_t bob_one_time_key_id;
|
|
|
|
|
|
std::size_t new_outbound_session_random_length();
|
|
|
|
std::size_t new_outbound_session(
|
|
Account const & local_account,
|
|
Curve25519PublicKey const & identity_key,
|
|
RemoteKey const & one_time_key,
|
|
std::uint8_t const * random, std::size_t random_length
|
|
);
|
|
|
|
std::size_t new_inbound_session(
|
|
Account & local_account,
|
|
std::uint8_t const * one_time_key_message, std::size_t message_length
|
|
);
|
|
|
|
bool matches_inbound_session(
|
|
std::uint8_t const * one_time_key_message, std::size_t message_length
|
|
);
|
|
|
|
MessageType encrypt_message_type();
|
|
|
|
std::size_t encrypt_message_length(
|
|
std::size_t plaintext_length
|
|
);
|
|
|
|
std::size_t encrypt_random_length();
|
|
|
|
std::size_t encrypt(
|
|
std::uint8_t const * plaintext, std::size_t plaintext_length,
|
|
std::uint8_t const * random, std::size_t random_length,
|
|
std::uint8_t * message, std::size_t message_length
|
|
);
|
|
|
|
std::size_t decrypt_max_plaintext_length(
|
|
MessageType message_type,
|
|
std::uint8_t const * message, std::size_t message_length
|
|
);
|
|
|
|
std::size_t decrypt(
|
|
MessageType message_type,
|
|
std::uint8_t const * message, std::size_t message_length,
|
|
std::uint8_t * plaintext, std::size_t max_plaintext_length
|
|
);
|
|
};
|
|
|
|
|
|
std::size_t pickle_length(
|
|
Session const & value
|
|
);
|
|
|
|
|
|
std::uint8_t * pickle(
|
|
std::uint8_t * pos,
|
|
Session const & value
|
|
);
|
|
|
|
|
|
std::uint8_t const * unpickle(
|
|
std::uint8_t const * pos, std::uint8_t const * end,
|
|
Session & value
|
|
);
|
|
|
|
|
|
} // namespace axolotl
|
|
|
|
#endif /* AXOLOTL_SESSION_HH_ */
|