adler32.h
Go to the documentation of this file.
// adler32.h - written and placed in the public domain by Wei Dai
//! \file
//! \headerfile adler32.h
//! \brief Class file for ADLER-32 checksum calculations
#ifndef CRYPTOPP_ADLER32_H
#define CRYPTOPP_ADLER32_H
#include "cryptlib.h"
NAMESPACE_BEGIN(CryptoPP)
//! ADLER-32 checksum calculations
class Adler32 : public HashTransformation
{
public:
CRYPTOPP_CONSTANT(DIGESTSIZE = 4)
Adler32() {Reset();}
void Update(const byte *input, size_t length);
void TruncatedFinal(byte *hash, size_t size);
unsigned int DigestSize() const {return DIGESTSIZE;}
CRYPTOPP_CONSTEXPR static const char *StaticAlgorithmName() {return "Adler32";}
std::string AlgorithmName() const {return StaticAlgorithmName();}
private:
void Reset() {m_s1 = 1; m_s2 = 0;}
word16 m_s1, m_s2;
};
NAMESPACE_END
#endif
HashTransformation
Interface for hash functions and data processing part of MACs.
Definition: cryptlib.h:922
Adler32::AlgorithmName
std::string AlgorithmName() const
Provides the name of this algorithm.
Definition: adler32.h:24
Adler32::DigestSize
unsigned int DigestSize() const
Provides the digest size of the hash.
Definition: adler32.h:22
CryptoPP
Crypto++ library namespace.
Adler32
ADLER-32 checksum calculations.
Definition: adler32.h:15
cryptlib.h
Abstract base classes that provide a uniform interface to this library.