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// sha1.h
// This file is based on public domain
// Steve Reid and Wei Dai's code from Crypto++
#ifndef __RAR_SHA1
#define __RAR_SHA1
#include <stddef.h>
#include "../../../Common/Types.h"
#define HW 5
// Sha1 implementation in RAR before version 3.60 has bug:
// it changes data bytes in some cases.
// So this class supports both versions: normal_SHA and rar3Mode
struct CSHA1
{
UInt32 m_State[5];
UInt64 m_Count;
unsigned char _buffer[64];
void Transform(UInt32 data[16], bool returnRes = false);
void WriteByteBlock(bool returnRes = false);
public:
void Init();
void Update(Byte *data, size_t size, bool rar350Mode = false);
void Final(Byte *digest);
};
#endif
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