mirror of
https://github.com/debauchee/barrier.git
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58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2013 Synergy Si Ltd.
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "io/ECryptoMode.h"
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#include "io/CryptoMode_cryptopp.h"
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#include "base/String.h"
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//! Encapsulation of modes
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/*!
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Polymorphism is tricky in Crypto++, so we encapsulate all crypto modes
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and switch based on an enum for ctor, dtor and all functions.
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*/
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class CryptoMode {
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public:
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CryptoMode(ECryptoMode mode, bool encryption = true);
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~CryptoMode();
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//! Encrypt or decrypt data
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void processData(byte* out, const byte* in, size_t length);
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//! Variable length key and initialization vector
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void setKeyWithIv(const byte* key, size_t length, const byte* iv);
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private:
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typedef CryptoPP::OFB_Mode<CryptoPP::AES>::Encryption OfbModeEnc;
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typedef CryptoPP::CFB_Mode<CryptoPP::AES>::Encryption CfbModeEnc;
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typedef CryptoPP::CTR_Mode<CryptoPP::AES>::Encryption CtrModeEnc;
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typedef CryptoPP::GCM<CryptoPP::AES>::Encryption GcmModeEnc;
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typedef CryptoPP::OFB_Mode<CryptoPP::AES>::Decryption OfbModeDec;
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typedef CryptoPP::CFB_Mode<CryptoPP::AES>::Decryption CfbModeDec;
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typedef CryptoPP::CTR_Mode<CryptoPP::AES>::Decryption CtrModeDec;
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typedef CryptoPP::GCM<CryptoPP::AES>::Decryption GcmModeDec;
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static ECryptoMode parseMode(String& mode);
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ECryptoMode m_mode;
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void* m_crypto;
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bool m_encryption;
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};
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