| /* |
| * Copyright (C) 2004-2023 Savoir-faire Linux Inc. |
| * |
| * This program 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. |
| * |
| * This program 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program. If not, see <https://www.gnu.org/licenses/>. |
| */ |
| #pragma once |
| |
| #include <gnutls/gnutls.h> |
| |
| #include <vector> |
| #include <memory> |
| #include <cstdint> |
| #include <string> |
| #include <filesystem> |
| |
| namespace dhtnet { |
| namespace tls { |
| |
| class DhParams |
| { |
| public: |
| DhParams() = default; |
| DhParams(DhParams&&) = default; |
| DhParams(const DhParams& other) { *this = other; } |
| |
| DhParams& operator=(DhParams&& other) = default; |
| DhParams& operator=(const DhParams& other); |
| |
| /// \brief Construct by taking ownership of given gnutls DH params |
| /// |
| /// User should not call gnutls_dh_params_deinit on given \a raw_params. |
| /// The object is stolen and its live is manager by our object. |
| explicit DhParams(gnutls_dh_params_t p) |
| : params_ {p, gnutls_dh_params_deinit} |
| {} |
| |
| /** Deserialize DER or PEM encoded DH-params */ |
| DhParams(const std::vector<uint8_t>& data); |
| |
| gnutls_dh_params_t get() { return params_.get(); } |
| gnutls_dh_params_t get() const { return params_.get(); } |
| |
| explicit inline operator bool() const { return bool(params_); } |
| |
| /** Serialize data in PEM format */ |
| std::vector<uint8_t> serialize() const; |
| |
| static DhParams generate(); |
| |
| static DhParams loadDhParams(const std::filesystem::path& path); |
| |
| private: |
| std::unique_ptr<gnutls_dh_params_int, decltype(gnutls_dh_params_deinit)*> |
| params_ {nullptr, gnutls_dh_params_deinit}; |
| }; |
| |
| } // namespace tls |
| } // namespace dhtnet |