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/* 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.
*/
#include "olm/account.hh"
#include "olm/pickle.hh"
olm::LocalKey const * olm::Account::lookup_key(
std::uint32_t id
) {
for (olm::LocalKey const & key : one_time_keys) {
if (key.id == id) return &key;
}
return 0;
}
std::size_t olm::Account::remove_key(
std::uint32_t id
) {
LocalKey * i;
for (i = one_time_keys.begin(); i != one_time_keys.end(); ++i) {
if (i->id == id) {
one_time_keys.erase(i);
return id;
}
}
return std::size_t(-1);
}
std::size_t olm::Account::new_account_random_length() {
return 103 * 32;
}
std::size_t olm::Account::new_account(
uint8_t const * random, std::size_t random_length
) {
if (random_length < new_account_random_length()) {
last_error = olm::ErrorCode::NOT_ENOUGH_RANDOM;
return std::size_t(-1);
}
unsigned id = 0;
identity_key.id = ++id;
olm::generate_key(random, identity_key.key);
random += 32;
random += 32;
last_resort_one_time_key.id = ++id;
olm::generate_key(random, last_resort_one_time_key.key);
random += 32;
for (unsigned i = 0; i < 10; ++i) {
LocalKey & key = *one_time_keys.insert(one_time_keys.end());
key.id = ++id;
olm::generate_key(random, key.key);
random += 32;
}
return 0;
}
namespace olm {
static std::size_t pickle_length(
olm::LocalKey const & value
) {
return olm::pickle_length(value.id) + olm::pickle_length(value.key);
}
static std::uint8_t * pickle(
std::uint8_t * pos,
olm::LocalKey const & value
) {
pos = olm::pickle(pos, value.id);
pos = olm::pickle(pos, value.key);
return pos;
}
static std::uint8_t const * unpickle(
std::uint8_t const * pos, std::uint8_t const * end,
olm::LocalKey & value
) {
pos = olm::unpickle(pos, end, value.id);
pos = olm::unpickle(pos, end, value.key);
return pos;
}
static std::size_t pickle_length(
olm::SignedKey const & value
) {
return olm::pickle_length((olm::LocalKey const &) value) + 64;
}
static std::uint8_t * pickle(
std::uint8_t * pos,
olm::SignedKey const & value
) {
pos = olm::pickle(pos, (olm::LocalKey const &) value);
pos = olm::pickle_bytes(pos, value.signature, 64);
return pos;
}
static std::uint8_t const * unpickle(
std::uint8_t const * pos, std::uint8_t const * end,
olm::SignedKey & value
) {
pos = olm::unpickle(pos, end, (olm::LocalKey &) value);
pos = olm::unpickle_bytes(pos, end, value.signature, 64);
return pos;
}
} // namespace olm
std::size_t olm::pickle_length(
olm::Account const & value
) {
std::size_t length = 0;
length += olm::pickle_length(value.identity_key);
length += olm::pickle_length(value.last_resort_one_time_key);
length += olm::pickle_length(value.one_time_keys);
return length;
}
std::uint8_t * olm::pickle(
std::uint8_t * pos,
olm::Account const & value
) {
pos = olm::pickle(pos, value.identity_key);
pos = olm::pickle(pos, value.last_resort_one_time_key);
pos = olm::pickle(pos, value.one_time_keys);
return pos;
}
std::uint8_t const * olm::unpickle(
std::uint8_t const * pos, std::uint8_t const * end,
olm::Account & value
) {
pos = olm::unpickle(pos, end, value.identity_key);
pos = olm::unpickle(pos, end, value.last_resort_one_time_key);
pos = olm::unpickle(pos, end, value.one_time_keys);
return pos;
}
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