// // This file is part of Kepka, // an unofficial desktop version of Telegram messaging app, // see https://github.com/procxx/kepka // // Kepka is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // It is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // In addition, as a special exception, the copyright holders give permission // to link the code of portions of this program with the OpenSSL library. // // Full license: https://github.com/procxx/kepka/blob/master/LICENSE // Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org // Copyright (c) 2017- Kepka Contributors, https://github.com/procxx // #pragma once #include "core/utils.h" #include namespace MTP { namespace internal { // this class holds an RSA public key and can encrypt fixed-size messages with it class RSAPublicKey final { public: // key in RSAPublicKey "-----BEGIN RSA PUBLIC KEY----- ..." format RSAPublicKey() = default; explicit RSAPublicKey(base::const_byte_span key); RSAPublicKey(base::const_byte_span nBytes, base::const_byte_span eBytes); RSAPublicKey(RSAPublicKey &&other) = default; RSAPublicKey(const RSAPublicKey &other) = default; RSAPublicKey &operator=(RSAPublicKey &&other) = default; RSAPublicKey &operator=(const RSAPublicKey &other) = default; bool isValid() const; quint64 getFingerPrint() const; base::byte_vector getN() const; base::byte_vector getE() const; // data has exactly 256 chars to be encrypted base::byte_vector encrypt(base::const_byte_span data) const; // data has exactly 256 chars to be decrypted base::byte_vector decrypt(base::const_byte_span data) const; private: class Private; std::shared_ptr _private; }; } // namespace internal } // namespace MTP