ext-cryptopp/adler32.h

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2002-10-04 17:31:41 +00:00
#ifndef CRYPTOPP_ADLER32_H
#define CRYPTOPP_ADLER32_H
#include "cryptlib.h"
NAMESPACE_BEGIN(CryptoPP)
//! ADLER-32 checksum calculations
class Adler32 : public HashTransformation
{
public:
enum {DIGESTSIZE = 4};
Adler32() {Reset();}
void Update(const byte *input, unsigned int length);
void TruncatedFinal(byte *hash, unsigned int size);
unsigned int DigestSize() const {return DIGESTSIZE;}
private:
void Reset() {m_s1 = 1; m_s2 = 0;}
word16 m_s1, m_s2;
};
NAMESPACE_END
#endif