55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
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/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2013 Bolton Software 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 "BasicTypes.h"
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#include "CStreamFilter.h"
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#include "cryptopp562/gcm.h"
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#include "cryptopp562/aes.h"
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//! Bidirectional encrypted stream
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/*!
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Encrypts (on write) and decrypts (on read) to and from an underlying stream.
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*/
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class CCryptoStream : public CStreamFilter {
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public:
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CCryptoStream(IEventQueue& eventQueue, synergy::IStream* stream);
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virtual ~CCryptoStream();
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//! @name manipulators
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//@{
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//! Read from stream
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/*!
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Read up to \p n bytes into \p buffer to the stream using encryption.
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Returns the number of bytes read by the underlying stream.
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*/
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virtual UInt32 read(void* out, UInt32 n);
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//! Write to stream
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/*!
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Write \c n bytes from \c buffer to the stream using encryption.
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*/
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virtual void write(const void* in, UInt32 n);
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private:
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// TODO: allow user to change between GCM/CTR/CFB
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CryptoPP::GCM<CryptoPP::AES>::Encryption m_encryption;
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CryptoPP::GCM<CryptoPP::AES>::Decryption m_decryption;
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};
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