shs.h

各种加密算法的集合

#ifndef SHS_H 
#define SHS_H 

#include "cryptlib.h" 
#include "misc.h" 

class SHS : public HashModule 
{ 
public: 
SHS(); 
void Update(const byte *input, unsigned int length); 
void Final(byte *hash); 
inline int DigestSize() const {return DIGESTSIZE;}; 

static void CorrectEndianess(word32 *out, const word32 *in, unsigned int byteCount) 
{ 
#ifdef LITTLE_ENDIAN 
byteReverse(out, in, byteCount); 
#else 
if (in!=out) 
memcpy(out, in, byteCount); 
#endif 
} 

static void Transform(word32 *digest, const word32 *data ); 

enum {DIGESTSIZE = 20, DATASIZE = 64}; 

private: 
void Init(); 
inline void do_block (const word32 *input); 

SecBlock<word32> buffer; 
word32 *const digest; // Message digest 
word32 *const data; // SHS data buffer 
word32 countLo, countHi; // 64-bit bit count 
}; 

#endif