md2.h

#ifndef CRYPTOPP_MD2_H
#define CRYPTOPP_MD2_H

#include "cryptlib.h"
#include "secblock.h"

NAMESPACE_BEGIN(CryptoPP)

/// <a href="http://www.weidai.com/scan-mirror/md.html#MD2">MD2</a>
/** 128 Bit Hash */
class MD2 : public HashTransformation
{
public:
        MD2();
        void Update(const byte *input, size_t length);
        void TruncatedFinal(byte *hash, size_t size);
        unsigned int DigestSize() const {return DIGESTSIZE;}
        static const char * StaticAlgorithmName() {return "MD2";}

        CRYPTOPP_CONSTANT(DIGESTSIZE = 16)
        CRYPTOPP_CONSTANT(BLOCKSIZE = 16)

private:
        void Transform();
        void Init();
        SecByteBlock m_X, m_C, m_buf;
        unsigned int m_count;
};

NAMESPACE_END

#endif

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