53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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namespace MTP {
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namespace internal {
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// this class holds an RSA public key and can encrypt fixed-size messages with it
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class RSAPublicKey final {
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public:
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// key in RSAPublicKey "-----BEGIN RSA PUBLIC KEY----- ..." format
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RSAPublicKey() = default;
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explicit RSAPublicKey(base::const_byte_span key);
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RSAPublicKey(base::const_byte_span nBytes, base::const_byte_span eBytes);
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RSAPublicKey(RSAPublicKey &&other) = default;
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RSAPublicKey(const RSAPublicKey &other) = default;
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RSAPublicKey &operator=(RSAPublicKey &&other) = default;
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RSAPublicKey &operator=(const RSAPublicKey &other) = default;
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bool isValid() const;
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uint64 getFingerPrint() const;
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base::byte_vector getN() const;
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base::byte_vector getE() const;
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// data has exactly 256 chars to be encrypted
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base::byte_vector encrypt(base::const_byte_span data) const;
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private:
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class Private;
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std::shared_ptr<Private> _private;
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};
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} // namespace internal
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} // namespace MTP
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