// // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019 // // 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) // #pragma once #include "td/utils/Random.h" #include "td/utils/StorerBase.h" namespace td { namespace mtproto { class NoCryptoImpl { public: NoCryptoImpl(uint64 message_id, const Storer &data, bool need_pad = true) : message_id_(message_id), data_(data) { if (need_pad) { size_t pad_size = -static_cast<int>(data_.size()) & 15; pad_size += 16 * (static_cast<size_t>(Random::secure_int32()) % 16); pad_.resize(pad_size); Random::secure_bytes(pad_); } } template <class StorerT> void do_store(StorerT &storer) const { storer.store_binary(message_id_); storer.store_binary(static_cast<int32>(data_.size() + pad_.size())); storer.store_storer(data_); storer.store_slice(pad_); } private: uint64 message_id_; const Storer &data_; std::string pad_; }; } // namespace mtproto } // namespace td