Add some logging to help understand what's going on
This commit is contained in:
Richard van der Hoff
parent
e7a2af1ede
commit
9848f84452
10 changed files with 220 additions and 27 deletions
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@ -17,6 +17,7 @@
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#include <cstdint>
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#include <cstddef>
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#include <string>
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namespace olm {
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@ -26,6 +27,7 @@ static const std::size_t IV_LENGTH = 16;
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struct Curve25519PublicKey {
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std::uint8_t public_key[KEY_LENGTH];
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std::string to_string() const;
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};
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@ -23,6 +23,7 @@ const unsigned int LOG_ERROR = 2;
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const unsigned int LOG_WARNING = 3;
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const unsigned int LOG_INFO = 4;
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const unsigned int LOG_DEBUG = 5;
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const unsigned int LOG_TRACE = 6;
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void set_log_level(unsigned int log_level);
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@ -1,4 +1,4 @@
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/* Copyright 2015 OpenMarket Ltd
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/* Copyright 2015, 2016 OpenMarket Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -15,6 +15,9 @@
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#include <cstddef>
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#include <cstdint>
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#include <cstring>
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#include <iomanip>
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#include <iostream>
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#include <sstream>
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#include <type_traits>
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namespace olm {
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@ -84,4 +87,23 @@ std::uint8_t * store_array(
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return destination + sizeof(T);
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}
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/** convert an array of bytes to a string representation */
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template<typename T>
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std::string bytes_to_string(T start, T end) {
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std::ostringstream ss;
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ss << std::hex << std::setfill('0');
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while (start != end) {
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ss << std::setw(2) << static_cast<int>(*start++);
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if (start != end) {
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ss << ":";
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}
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}
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return ss.str();
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}
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template<typename T>
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std::string bytes_to_string(T start, size_t len) {
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return bytes_to_string(start, start+len);
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}
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} // namespace olm
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@ -29,7 +29,6 @@ struct ChainKey {
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SharedKey key;
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};
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struct MessageKey {
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std::uint32_t index;
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SharedKey key;
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@ -82,8 +81,18 @@ struct Ratchet {
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/** The last error that happened encrypting or decrypting a message. */
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ErrorCode last_error;
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/**
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* A count of the number of times the root key has been advanced; this is
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* maintained purely for diagnostics.
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*
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* If sender_chain is empty, this will be the index of the current receiver
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* chain (odd for Alice, even for Bob); otherwise, the index of the current
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* sender chain (even for Alice, odd for Bob).
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*/
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std::uint32_t chain_index;
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/** The root key is used to generate chain keys from the ephemeral keys.
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* A new root_key derived each time a chain key is derived. */
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* A new root_key derived each time a new chain is started. */
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SharedKey root_key;
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/** The sender chain is used to send messages. Each time a new ephemeral
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@ -1,8 +1,7 @@
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<html>
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<head>
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<script src="../build/olm.js"></script>
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<script src="olm.js"></script>
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<script>
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document.addEventListener("DOMContentLoaded", function (event) {
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function progress(who, message) {
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var message_element = document.createElement("pre");
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@ -1,4 +1,4 @@
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/* Copyright 2015 OpenMarket Ltd
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/* Copyright 2015, 2016 OpenMarket Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -14,9 +14,12 @@
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*/
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#include "olm/account.hh"
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#include "olm/base64.hh"
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#include "olm/logging.hh"
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#include "olm/pickle.hh"
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#include "olm/memory.hh"
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static const char *LOG_CATEGORY = "olm::Account";
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olm::Account::Account(
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) : next_one_time_key_id(0),
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last_error(olm::ErrorCode::SUCCESS) {
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@ -42,9 +45,11 @@ std::size_t olm::Account::remove_key(
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if (olm::array_equal(i->key.public_key, public_key.public_key)) {
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std::uint32_t id = i->id;
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one_time_keys.erase(i);
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olm::logf(olm::LOG_INFO, LOG_CATEGORY, "removed key id %i", id);
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return id;
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}
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}
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olm::logf(olm::LOG_WARNING, LOG_CATEGORY, "Couldn't find key to remove");
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return std::size_t(-1);
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}
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@ -64,6 +69,8 @@ std::size_t olm::Account::new_account(
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random += KEY_LENGTH;
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olm::curve25519_generate_key(random, identity_keys.curve25519_key);
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olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Created new account");
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return 0;
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}
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@ -101,6 +101,10 @@ inline static void hmac_sha256_final(
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} // namespace
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std::string olm::Curve25519PublicKey::to_string() const {
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return olm::bytes_to_string(std::begin(public_key),
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std::end(public_key));
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};
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void olm::curve25519_generate_key(
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std::uint8_t const * random_32_bytes,
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@ -14,8 +14,13 @@
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*/
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#include "olm/message.hh"
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#include "olm/logging.hh"
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#include "olm/memory.hh"
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namespace {
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static const char *LOG_CATEGORY = "olm::Message";
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template<typename T>
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static std::size_t varint_length(
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T value
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@ -234,6 +239,13 @@ void olm::decode_message(
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}
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unknown = pos;
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}
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olm::logf(olm::LOG_TRACE, LOG_CATEGORY,
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"Decoded message ver=%i ratchet_key=%s chain_idx=%i ciphertext=%s",
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reader.version,
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olm::bytes_to_string(reader.ratchet_key, reader.ratchet_key_length).c_str(),
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reader.has_counter ? reader.counter : -1,
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olm::bytes_to_string(reader.ciphertext, reader.ciphertext_length).c_str()
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);
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}
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@ -322,4 +334,14 @@ void olm::decode_one_time_key_message(
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}
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unknown = pos;
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}
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olm::logf(olm::LOG_TRACE, LOG_CATEGORY,
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"Decoded pre-key message ver=%i one_time_key[Eb]=%s "
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"base_key[Ea]=%s identity_key[Ia]=%s message=%s",
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reader.version,
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olm::bytes_to_string(reader.one_time_key, reader.one_time_key_length).c_str(),
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olm::bytes_to_string(reader.base_key, reader.base_key_length).c_str(),
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olm::bytes_to_string(reader.identity_key, reader.identity_key_length).c_str(),
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olm::bytes_to_string(reader.message, reader.message_length).c_str()
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);
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}
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@ -1,4 +1,4 @@
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/* Copyright 2015 OpenMarket Ltd
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/* Copyright 2015, 2016 OpenMarket Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -17,17 +17,31 @@
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#include "olm/memory.hh"
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#include "olm/cipher.hh"
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#include "olm/pickle.hh"
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#include "olm/logging.hh"
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#include <cstring>
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namespace {
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static const char *LOG_CATEGORY = "olm::Ratchet";
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static const std::uint8_t PROTOCOL_VERSION = 3;
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static const std::uint8_t MESSAGE_KEY_SEED[1] = {0x01};
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static const std::uint8_t CHAIN_KEY_SEED[1] = {0x02};
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static const std::size_t MAX_MESSAGE_GAP = 2000;
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/**
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* Advance the root key, creating a new message chain.
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*
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* @param root_key previous root key R(n-1)
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* @param our_key our new ratchet key T(n)
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* @param their_key their most recent ratchet key T(n-1)
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* @param info table of constants for the ratchet function
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* @param new_root_key[out] returns the new root key R(n)
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* @param new_chain_key[out] returns the first chain key in the new chain
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* C(n,0)
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*/
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static void create_chain_key(
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olm::SharedKey const & root_key,
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olm::Curve25519KeyPair const & our_key,
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@ -55,6 +69,7 @@ static void create_chain_key(
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static void advance_chain_key(
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std::uint32_t chain_index,
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olm::ChainKey const & chain_key,
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olm::ChainKey & new_chain_key
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) {
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@ -64,20 +79,24 @@ static void advance_chain_key(
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new_chain_key.key
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);
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new_chain_key.index = chain_key.index + 1;
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olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Derived chain key C(%i,%i)",
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chain_index, new_chain_key.index);
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}
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static void create_message_keys(
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std::uint32_t chain_index,
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olm::ChainKey const & chain_key,
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olm::KdfInfo const & info,
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olm::MessageKey & message_key
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) {
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olm::MessageKey & message_key) {
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olm::hmac_sha256(
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chain_key.key, sizeof(chain_key.key),
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MESSAGE_KEY_SEED, sizeof(MESSAGE_KEY_SEED),
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message_key.key
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);
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message_key.index = chain_key.index;
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olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Created message key with chain key C(%i,%i)",
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chain_index, message_key.index);
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}
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@ -98,6 +117,7 @@ static std::size_t verify_mac_and_decrypt(
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static std::size_t verify_mac_and_decrypt_for_existing_chain(
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olm::Ratchet const & session,
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std::uint32_t chain_index,
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olm::ChainKey const & chain,
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olm::MessageReader const & reader,
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std::uint8_t * plaintext, std::size_t max_plaintext_length
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@ -114,11 +134,11 @@ static std::size_t verify_mac_and_decrypt_for_existing_chain(
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olm::ChainKey new_chain = chain;
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while (new_chain.index < reader.counter) {
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advance_chain_key(new_chain, new_chain);
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advance_chain_key(chain_index, new_chain, new_chain);
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}
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olm::MessageKey message_key;
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create_message_keys(new_chain, session.kdf_info, message_key);
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create_message_keys(chain_index, new_chain, session.kdf_info, message_key);
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std::size_t result = verify_mac_and_decrypt(
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session.ratchet_cipher, message_key, reader,
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@ -150,14 +170,17 @@ static std::size_t verify_mac_and_decrypt_for_new_chain(
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}
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olm::load_array(new_chain.ratchet_key.public_key, reader.ratchet_key);
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std::uint32_t chain_index = session.chain_index + 1;
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create_chain_key(
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session.root_key, session.sender_chain[0].ratchet_key,
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new_chain.ratchet_key, session.kdf_info,
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new_root_key, new_chain.chain_key
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);
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olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Calculated new receiver chain R(%i)",
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chain_index);
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std::size_t result = verify_mac_and_decrypt_for_existing_chain(
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session, new_chain.chain_key, reader,
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session, chain_index, new_chain.chain_key, reader,
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plaintext, max_plaintext_length
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);
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olm::unset(new_root_key);
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@ -194,7 +217,9 @@ void olm::Ratchet::initialise_as_bob(
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pos = olm::load_array(root_key, pos);
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pos = olm::load_array(receiver_chains[0].chain_key.key, pos);
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receiver_chains[0].ratchet_key = their_ratchet_key;
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chain_index = 0;
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olm::unset(derived_secrets);
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olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Initialised receiver chain R(0)");
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}
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@ -215,7 +240,9 @@ void olm::Ratchet::initialise_as_alice(
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pos = olm::load_array(root_key, pos);
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pos = olm::load_array(sender_chain[0].chain_key.key, pos);
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sender_chain[0].ratchet_key = our_ratchet_key;
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chain_index = 0;
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olm::unset(derived_secrets);
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olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Initialised sender chain R(0)");
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}
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namespace olm {
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@ -353,6 +380,7 @@ std::size_t olm::pickle_length(
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length += olm::pickle_length(value.sender_chain);
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length += olm::pickle_length(value.receiver_chains);
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length += olm::pickle_length(value.skipped_message_keys);
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length += olm::pickle_length(value.chain_index);
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return length;
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}
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@ -364,6 +392,7 @@ std::uint8_t * olm::pickle(
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pos = pickle(pos, value.sender_chain);
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pos = pickle(pos, value.receiver_chains);
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pos = pickle(pos, value.skipped_message_keys);
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pos = pickle(pos, value.chain_index);
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return pos;
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}
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@ -376,6 +405,7 @@ std::uint8_t const * olm::unpickle(
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pos = unpickle(pos, end, value.sender_chain);
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pos = unpickle(pos, end, value.receiver_chains);
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pos = unpickle(pos, end, value.skipped_message_keys);
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pos = unpickle(pos, end, value.chain_index);
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return pos;
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}
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@ -420,6 +450,9 @@ std::size_t olm::Ratchet::encrypt(
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if (sender_chain.empty()) {
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sender_chain.insert();
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olm::curve25519_generate_key(random, sender_chain[0].ratchet_key);
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olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Created new ratchet key T(%i) %s",
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chain_index + 1,
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sender_chain[0].ratchet_key.to_string().c_str());
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create_chain_key(
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root_key,
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sender_chain[0].ratchet_key,
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@ -427,11 +460,14 @@ std::size_t olm::Ratchet::encrypt(
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kdf_info,
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root_key, sender_chain[0].chain_key
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);
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olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Initialised new sender chain R(%i)",
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chain_index + 1);
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chain_index++;
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}
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MessageKey keys;
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create_message_keys(sender_chain[0].chain_key, kdf_info, keys);
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advance_chain_key(sender_chain[0].chain_key, sender_chain[0].chain_key);
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create_message_keys(chain_index, sender_chain[0].chain_key, kdf_info, keys);
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advance_chain_key(chain_index, sender_chain[0].chain_key, sender_chain[0].chain_key);
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std::size_t ciphertext_length = ratchet_cipher.encrypt_ciphertext_length(
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plaintext_length
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@ -455,6 +491,14 @@ std::size_t olm::Ratchet::encrypt(
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output, output_length
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);
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olm::logf(olm::LOG_TRACE, LOG_CATEGORY,
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"Encoded message ver=%i ratchet_key=%s chain_idx=%i ciphertext=%s",
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PROTOCOL_VERSION,
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olm::bytes_to_string(writer.ratchet_key, olm::KEY_LENGTH).c_str(),
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counter,
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olm::bytes_to_string(writer.ciphertext, ciphertext_length).c_str()
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);
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olm::unset(keys);
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return output_length;
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}
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@ -481,6 +525,10 @@ std::size_t olm::Ratchet::decrypt(
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std::uint8_t const * input, std::size_t input_length,
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std::uint8_t * plaintext, std::size_t max_plaintext_length
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) {
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olm::logf(olm::LOG_TRACE, LOG_CATEGORY,
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"Decrypting message %s",
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olm::bytes_to_string(input, input_length).c_str());
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olm::MessageReader reader;
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olm::decode_message(
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reader, input, input_length, ratchet_cipher.mac_length()
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@ -511,6 +559,13 @@ std::size_t olm::Ratchet::decrypt(
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}
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ReceiverChain * chain = nullptr;
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auto receiver_chain_index = chain_index;
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if (!sender_chain.empty()) {
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// we've already advanced to the next (sender) chain; decrement to
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// get back to the receiver chains
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receiver_chain_index --;
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}
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for (olm::ReceiverChain & receiver_chain : receiver_chains) {
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if (0 == std::memcmp(
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receiver_chain.ratchet_key.public_key, reader.ratchet_key,
|
||||
|
|
@ -519,11 +574,14 @@ std::size_t olm::Ratchet::decrypt(
|
|||
chain = &receiver_chain;
|
||||
break;
|
||||
}
|
||||
receiver_chain_index -= 2;
|
||||
}
|
||||
|
||||
std::size_t result = std::size_t(-1);
|
||||
|
||||
if (!chain) {
|
||||
olm::logf(olm::LOG_DEBUG, LOG_CATEGORY,
|
||||
"Sender ratchet key does not match known chain; starting new one");
|
||||
result = verify_mac_and_decrypt_for_new_chain(
|
||||
*this, reader, plaintext, max_plaintext_length
|
||||
);
|
||||
|
|
@ -555,7 +613,8 @@ std::size_t olm::Ratchet::decrypt(
|
|||
}
|
||||
} else {
|
||||
result = verify_mac_and_decrypt_for_existing_chain(
|
||||
*this, chain->chain_key, reader, plaintext, max_plaintext_length
|
||||
*this, receiver_chain_index, chain->chain_key,
|
||||
reader, plaintext, max_plaintext_length
|
||||
);
|
||||
}
|
||||
|
||||
|
|
@ -565,28 +624,36 @@ std::size_t olm::Ratchet::decrypt(
|
|||
}
|
||||
|
||||
if (!chain) {
|
||||
/* They have started using a new empheral ratchet key.
|
||||
/* They have started using a new ephemeral ratchet key.
|
||||
* We need to derive a new set of chain keys.
|
||||
* We can discard our previous empheral ratchet key.
|
||||
* We will generate a new key when we send the next message. */
|
||||
|
||||
chain = receiver_chains.insert();
|
||||
olm::load_array(chain->ratchet_key.public_key, reader.ratchet_key);
|
||||
|
||||
// TODO: we've already done this once, in
|
||||
// verify_mac_and_decrypt_for_new_chain(). we could reuse the result.
|
||||
create_chain_key(
|
||||
root_key, sender_chain[0].ratchet_key, chain->ratchet_key,
|
||||
kdf_info, root_key, chain->chain_key
|
||||
);
|
||||
|
||||
olm::unset(sender_chain[0]);
|
||||
sender_chain.erase(sender_chain.begin());
|
||||
receiver_chain_index = ++chain_index;
|
||||
olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Initialised new receiver chain R(%i)",
|
||||
chain_index);
|
||||
}
|
||||
|
||||
while (chain->chain_key.index < reader.counter) {
|
||||
olm::SkippedMessageKey & key = *skipped_message_keys.insert();
|
||||
create_message_keys(chain->chain_key, kdf_info, key.message_key);
|
||||
create_message_keys(receiver_chain_index, chain->chain_key, kdf_info, key.message_key);
|
||||
key.ratchet_key = chain->ratchet_key;
|
||||
advance_chain_key(chain->chain_key, chain->chain_key);
|
||||
advance_chain_key(receiver_chain_index, chain->chain_key, chain->chain_key);
|
||||
}
|
||||
|
||||
advance_chain_key(chain->chain_key, chain->chain_key);
|
||||
advance_chain_key(receiver_chain_index, chain->chain_key, chain->chain_key);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
/* Copyright 2015 OpenMarket Ltd
|
||||
/* Copyright 2015, 2016 OpenMarket Ltd
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
|
|
@ -16,6 +16,7 @@
|
|||
#include "olm/cipher.hh"
|
||||
#include "olm/crypto.hh"
|
||||
#include "olm/account.hh"
|
||||
#include "olm/logging.hh"
|
||||
#include "olm/memory.hh"
|
||||
#include "olm/message.hh"
|
||||
#include "olm/pickle.hh"
|
||||
|
|
@ -24,6 +25,8 @@
|
|||
|
||||
namespace {
|
||||
|
||||
static const char *LOG_CATEGORY = "olm::Session";
|
||||
|
||||
static const std::uint8_t PROTOCOL_VERSION = 0x3;
|
||||
|
||||
static const std::uint8_t ROOT_KDF_INFO[] = "OLM_ROOT";
|
||||
|
|
@ -65,11 +68,21 @@ std::size_t olm::Session::new_outbound_session(
|
|||
return std::size_t(-1);
|
||||
}
|
||||
|
||||
olm::logf(olm::LOG_DEBUG, LOG_CATEGORY,
|
||||
"Creating new outbound session to receiver identity IB %s, "
|
||||
"receiver ephemeral EB %s", identity_key.to_string().c_str(),
|
||||
one_time_key.to_string().c_str()
|
||||
);
|
||||
|
||||
olm::Curve25519KeyPair base_key;
|
||||
olm::curve25519_generate_key(random, base_key);
|
||||
olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Created new ephemeral key EA %s",
|
||||
base_key.to_string().c_str());
|
||||
|
||||
olm::Curve25519KeyPair ratchet_key;
|
||||
olm::curve25519_generate_key(random + olm::KEY_LENGTH, ratchet_key);
|
||||
olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Created new ratchet key T(0) %s",
|
||||
ratchet_key.to_string().c_str());
|
||||
|
||||
olm::Curve25519KeyPair const & alice_identity_key_pair = (
|
||||
local_account.identity_keys.curve25519_key
|
||||
|
|
@ -95,6 +108,7 @@ std::size_t olm::Session::new_outbound_session(
|
|||
olm::unset(ratchet_key);
|
||||
olm::unset(secret);
|
||||
|
||||
olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Initialised outbound session");
|
||||
return std::size_t(0);
|
||||
}
|
||||
|
||||
|
|
@ -137,11 +151,29 @@ std::size_t olm::Session::new_inbound_session(
|
|||
their_identity_key->public_key, reader.identity_key, olm::KEY_LENGTH
|
||||
);
|
||||
if (!same) {
|
||||
olm::logf(olm::LOG_INFO, LOG_CATEGORY,
|
||||
"Identity key on received message is incorrect "
|
||||
"(expected %s, got %s)",
|
||||
their_identity_key->to_string().c_str(),
|
||||
olm::bytes_to_string(reader.identity_key,
|
||||
reader.identity_key + olm::KEY_LENGTH)
|
||||
.c_str());
|
||||
last_error = olm::ErrorCode::BAD_MESSAGE_KEY_ID;
|
||||
return std::size_t(-1);
|
||||
}
|
||||
}
|
||||
|
||||
olm::load_array(alice_identity_key.public_key, reader.identity_key);
|
||||
olm::load_array(alice_base_key.public_key, reader.base_key);
|
||||
olm::load_array(bob_one_time_key.public_key, reader.one_time_key);
|
||||
|
||||
olm::logf(olm::LOG_DEBUG, LOG_CATEGORY,
|
||||
"Creating new inbound session from sender identity IA %s, "
|
||||
"sender ephemeral EA %s, our ephemeral EB %s",
|
||||
alice_identity_key.to_string().c_str(),
|
||||
alice_base_key.to_string().c_str(),
|
||||
bob_one_time_key.to_string().c_str());
|
||||
|
||||
olm::MessageReader message_reader;
|
||||
decode_message(
|
||||
message_reader, reader.message, reader.message_length,
|
||||
|
|
@ -154,17 +186,20 @@ std::size_t olm::Session::new_inbound_session(
|
|||
return std::size_t(-1);
|
||||
}
|
||||
|
||||
olm::load_array(alice_identity_key.public_key, reader.identity_key);
|
||||
olm::load_array(alice_base_key.public_key, reader.base_key);
|
||||
olm::load_array(bob_one_time_key.public_key, reader.one_time_key);
|
||||
olm::Curve25519PublicKey ratchet_key;
|
||||
olm::load_array(ratchet_key.public_key, message_reader.ratchet_key);
|
||||
|
||||
olm::logf(olm::LOG_DEBUG, LOG_CATEGORY,
|
||||
"Received ratchet key T(0) %s", ratchet_key.to_string().c_str());
|
||||
|
||||
olm::OneTimeKey const * our_one_time_key = local_account.lookup_key(
|
||||
bob_one_time_key
|
||||
);
|
||||
|
||||
if (!our_one_time_key) {
|
||||
olm::logf(olm::LOG_INFO, LOG_CATEGORY,
|
||||
"Session uses unknown ephemeral key %s",
|
||||
bob_one_time_key.to_string().c_str());
|
||||
last_error = olm::ErrorCode::BAD_MESSAGE_KEY_ID;
|
||||
return std::size_t(-1);
|
||||
}
|
||||
|
|
@ -185,6 +220,8 @@ std::size_t olm::Session::new_inbound_session(
|
|||
ratchet.initialise_as_bob(secret, sizeof(secret), ratchet_key);
|
||||
|
||||
olm::unset(secret);
|
||||
|
||||
olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Initialised inbound session");
|
||||
return std::size_t(0);
|
||||
}
|
||||
|
||||
|
|
@ -283,6 +320,9 @@ std::size_t olm::Session::encrypt(
|
|||
std::uint8_t const * random, std::size_t random_length,
|
||||
std::uint8_t * message, std::size_t message_length
|
||||
) {
|
||||
olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Encrypting '%.*s'",
|
||||
(int)plaintext_length, plaintext);
|
||||
|
||||
if (message_length < encrypt_message_length(plaintext_length)) {
|
||||
last_error = olm::ErrorCode::OUTPUT_BUFFER_TOO_SMALL;
|
||||
return std::size_t(-1);
|
||||
|
|
@ -309,6 +349,16 @@ std::size_t olm::Session::encrypt(
|
|||
olm::store_array(writer.identity_key, alice_identity_key.public_key);
|
||||
olm::store_array(writer.base_key, alice_base_key.public_key);
|
||||
message_body = writer.message;
|
||||
|
||||
|
||||
olm::logf(olm::LOG_DEBUG, LOG_CATEGORY,
|
||||
"Encoded pre-key message ver=%i one_time_key[Eb]=%s "
|
||||
"base_key[Ea]=%s identity_key[Ia]=%s",
|
||||
PROTOCOL_VERSION,
|
||||
olm::bytes_to_string(writer.one_time_key, olm::KEY_LENGTH).c_str(),
|
||||
olm::bytes_to_string(writer.base_key, olm::KEY_LENGTH).c_str(),
|
||||
olm::bytes_to_string(writer.identity_key, olm::KEY_LENGTH).c_str()
|
||||
);
|
||||
}
|
||||
|
||||
std::size_t result = ratchet.encrypt(
|
||||
|
|
@ -320,7 +370,12 @@ std::size_t olm::Session::encrypt(
|
|||
if (result == std::size_t(-1)) {
|
||||
last_error = ratchet.last_error;
|
||||
ratchet.last_error = olm::ErrorCode::SUCCESS;
|
||||
return result;
|
||||
}
|
||||
|
||||
olm::logf(olm::LOG_TRACE, LOG_CATEGORY, "Encrypted message %s",
|
||||
olm::bytes_to_string(message_body, result).c_str());
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
|
|
@ -362,6 +417,9 @@ std::size_t olm::Session::decrypt(
|
|||
std::uint8_t const * message, std::size_t message_length,
|
||||
std::uint8_t * plaintext, std::size_t max_plaintext_length
|
||||
) {
|
||||
olm::logf(olm::LOG_TRACE, LOG_CATEGORY, "Decrypting %smessage",
|
||||
message_type == olm::MessageType::MESSAGE ? "" : "pre-key ");
|
||||
|
||||
std::uint8_t const * message_body;
|
||||
std::size_t message_body_length;
|
||||
if (message_type == olm::MessageType::MESSAGE) {
|
||||
|
|
@ -385,9 +443,12 @@ std::size_t olm::Session::decrypt(
|
|||
if (result == std::size_t(-1)) {
|
||||
last_error = ratchet.last_error;
|
||||
ratchet.last_error = olm::ErrorCode::SUCCESS;
|
||||
} else {
|
||||
received_message = true;
|
||||
return result;
|
||||
}
|
||||
|
||||
received_message = true;
|
||||
olm::logf(olm::LOG_DEBUG, LOG_CATEGORY, "Decrypted '%.*s'",
|
||||
(int)result, plaintext);
|
||||
return result;
|
||||
}
|
||||
|
||||
|
|
@ -440,4 +501,3 @@ std::uint8_t const * olm::unpickle(
|
|||
pos = olm::unpickle(pos, end, value.ratchet);
|
||||
return pos;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue