50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "base/bytes.h"
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namespace MTP::details {
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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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RSAPublicKey() = default;
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RSAPublicKey(bytes::const_span nBytes, bytes::const_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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// key in "-----BEGIN RSA PUBLIC KEY----- ..." format
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// or in "-----BEGIN PUBLIC KEY----- ..." format
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explicit RSAPublicKey(bytes::const_span key);
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[[nodiscard]] bool empty() const;
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[[nodiscard]] bool valid() const;
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[[nodiscard]] uint64 fingerprint() const;
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[[nodiscard]] bytes::vector getN() const;
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[[nodiscard]] bytes::vector getE() const;
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// data has exactly 256 chars to be encrypted
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[[nodiscard]] bytes::vector encrypt(bytes::const_span data) const;
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// data has exactly 256 chars to be decrypted
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[[nodiscard]] bytes::vector decrypt(bytes::const_span data) const;
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// data has lequal than 215 chars to be decrypted
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[[nodiscard]] bytes::vector encryptOAEPpadding(bytes::const_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 MTP::details
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