2021-06-28 20:03:17 +02:00
|
|
|
//
|
|
|
|
|
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
|
|
|
|
|
//
|
|
|
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
|
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
|
//
|
|
|
|
|
#include "td/telegram/NewPasswordState.h"
|
|
|
|
|
|
|
|
|
|
namespace td {
|
|
|
|
|
|
2021-07-03 22:51:36 +02:00
|
|
|
Result<NewPasswordState> get_new_password_state(tl_object_ptr<telegram_api::PasswordKdfAlgo> new_algo,
|
|
|
|
|
tl_object_ptr<telegram_api::SecurePasswordKdfAlgo> new_secure_algo) {
|
2021-06-28 20:03:17 +02:00
|
|
|
NewPasswordState state;
|
|
|
|
|
CHECK(new_algo != nullptr);
|
|
|
|
|
switch (new_algo->get_id()) {
|
|
|
|
|
case telegram_api::passwordKdfAlgoUnknown::ID:
|
|
|
|
|
return Status::Error(400, "Please update client to continue");
|
|
|
|
|
case telegram_api::passwordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow::ID: {
|
|
|
|
|
auto algo =
|
|
|
|
|
move_tl_object_as<telegram_api::passwordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow>(new_algo);
|
|
|
|
|
state.client_salt = algo->salt1_.as_slice().str();
|
|
|
|
|
state.server_salt = algo->salt2_.as_slice().str();
|
|
|
|
|
state.srp_g = algo->g_;
|
|
|
|
|
state.srp_p = algo->p_.as_slice().str();
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
default:
|
|
|
|
|
UNREACHABLE();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
CHECK(new_secure_algo != nullptr);
|
|
|
|
|
switch (new_secure_algo->get_id()) {
|
|
|
|
|
case telegram_api::securePasswordKdfAlgoUnknown::ID:
|
|
|
|
|
return Status::Error(400, "Please update client to continue");
|
|
|
|
|
case telegram_api::securePasswordKdfAlgoSHA512::ID:
|
|
|
|
|
return Status::Error(500, "Server has sent outdated secret encryption mode");
|
|
|
|
|
case telegram_api::securePasswordKdfAlgoPBKDF2HMACSHA512iter100000::ID: {
|
|
|
|
|
auto algo = move_tl_object_as<telegram_api::securePasswordKdfAlgoPBKDF2HMACSHA512iter100000>(new_secure_algo);
|
|
|
|
|
state.secure_salt = algo->salt_.as_slice().str();
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
default:
|
|
|
|
|
UNREACHABLE();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static constexpr size_t MIN_NEW_SECURE_SALT_SIZE = 8;
|
|
|
|
|
if (state.secure_salt.size() < MIN_NEW_SECURE_SALT_SIZE) {
|
|
|
|
|
return Status::Error(500, "New secure salt length too small");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static constexpr size_t MIN_NEW_SALT_SIZE = 8;
|
|
|
|
|
if (state.client_salt.size() < MIN_NEW_SALT_SIZE) {
|
|
|
|
|
return Status::Error(500, "New salt length too small");
|
|
|
|
|
}
|
|
|
|
|
return state;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
} // namespace td
|
