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This commit is contained in:
Igor Pavlov
2003-12-11 00:00:00 +00:00
committed by Kornel Lesiński
commit 8c1b5c7b7e
982 changed files with 118799 additions and 0 deletions
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48
7zip/Crypto/AES/AES_CBC.h Executable file
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// AES_CBC.h
#ifndef __AES_CBC_H
#define __AES_CBC_H
#include "aescpp.h"
class CAES_CBCEncoder: public AESclass
{
BYTE _prevBlock[16];
public:
void Init(const BYTE *iv)
{
for (int i = 0; i < 16; i++)
_prevBlock[i] = iv[i];
}
void ProcessData(BYTE *outBlock, const BYTE *inBlock)
{
int i;
for (i = 0; i < 16; i++)
_prevBlock[i] ^= inBlock[i];
enc_blk(_prevBlock, outBlock);
for (i = 0; i < 16; i++)
_prevBlock[i] = outBlock[i];
}
};
class CAES_CBCCBCDecoder: public AESclass
{
BYTE _prevBlock[16];
public:
void Init(const BYTE *iv)
{
for (int i = 0; i < 16; i++)
_prevBlock[i] = iv[i];
}
void ProcessData(BYTE *outBlock, const BYTE *inBlock)
{
dec_blk(inBlock, outBlock);
int i;
for (i = 0; i < 16; i++)
outBlock[i] ^= _prevBlock[i];
for (i = 0; i < 16; i++)
_prevBlock[i] = inBlock[i];
}
};
#endif