/*
* Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* The contents of this file constitute Original Code as defined in and
* are subject to the Apple Public Source License Version 1.1 (the
* "License"). You may not use this file except in compliance with the
* License. Please obtain a copy of the License at
* http://www.apple.com/publicsource and read it before using this file.
*
* This Original Code and all software distributed under the License are
* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
* License for the specific language governing rights and limitations
* under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
// mdc.h - written and placed in the public domain by Wei Dai
#ifndef CRYPTOPP_MDC_H
#define CRYPTOPP_MDC_H
/** \file
*/
#include "cryptopp.h"
#include "cryptopp_misc.h"
NAMESPACE_BEGIN(CryptoPP)
/// MDC
template class MDC : public FixedBlockSize, public FixedKeyLength
{
public:
MDC(const byte *userKey, unsigned int = 0)
: key(KEYLENGTH/4)
{
T::CorrectEndianess(key, (word32 *)userKey, KEYLENGTH);
}
void ProcessBlock(byte *inoutBlock) const
{
T::CorrectEndianess((word32 *)inoutBlock, (word32 *)inoutBlock, BLOCKSIZE);
T::Transform((word32 *)inoutBlock, key);
T::CorrectEndianess((word32 *)inoutBlock, (word32 *)inoutBlock, BLOCKSIZE);
}
void ProcessBlock(const byte *inBlock, byte *outBlock) const
{
T::CorrectEndianess((word32 *)outBlock, (word32 *)inBlock, BLOCKSIZE);
T::Transform((word32 *)outBlock, key);
T::CorrectEndianess((word32 *)outBlock, (word32 *)outBlock, BLOCKSIZE);
}
private:
SecBlock key;
};
NAMESPACE_END
#endif