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authorMark Haines <mark.haines@matrix.org>2015-06-11 18:03:22 +0100
committerMark Haines <mark.haines@matrix.org>2015-06-11 18:03:22 +0100
commit793b9b910a8f3c010a55433188e4b63414cbb314 (patch)
treeca5f8621273bc4b55f7e584a39529954a84da14c /include/axolotl/session.hh
parentbcb05d1a9982c0a22e41ecfa6f9aba212587c782 (diff)
Start writing the interfaces for session and the account objects
Diffstat (limited to 'include/axolotl/session.hh')
-rw-r--r--include/axolotl/session.hh78
1 files changed, 78 insertions, 0 deletions
diff --git a/include/axolotl/session.hh b/include/axolotl/session.hh
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+++ b/include/axolotl/session.hh
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+#ifndef AXOLOTL_SESSION_HH_
+#define AXOLOTL_SESSION_HH_
+
+#include "axolotl/ratchet.hh"
+
+namespace axolotl {
+
+struct RemoteKey {
+ std::uint32_t id;
+ Curve25519PublicKey key;
+};
+
+struct RemoteKeys {
+};
+
+
+enum struct MessageType {
+ PRE_KEY_MESSAGE = 0,
+ MESSAGE = 1,
+};
+
+
+struct Session {
+ bool received_message;
+ RemoteKey alice_identity_key;
+ RemoteKey alice_base_key;
+ RemoteKey bob_identity_key;
+ RemoteKey bob_one_time_key;
+ Ratchet ratchet;
+
+ void initialise_outbound_session_random_length();
+
+ void initialise_outbound_session(
+ Account const & local_account,
+ RemoteKey const & identity_key,
+ RemoteKey const & one_time_key,
+ std::uint8_t const * random, std::size_t random_length
+ );
+
+ void initialise_inbound_session(
+ Account & local_account,
+ std::uint8_t const * one_time_key_message, std::size_t message_length
+ );
+
+ void 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
+ );
+};
+
+
+} // namespace axolotl
+
+#endif /* AXOLOTL_SESSION_HH_ */