md2.h

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// md2.h - originally written and placed in the public domain by Wei Dai
 
 
#ifndef CRYPTOPP_MD2_H
#define CRYPTOPP_MD2_H
 
#include "cryptlib.h"
#include "secblock.h"
 
NAMESPACE_BEGIN(CryptoPP)
 
namespace Weak1 {
 
class MD2 : public HashTransformation
{
public:
        CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "MD2";}
 
        MD2();
        void Update(const byte *input, size_t length);
        void TruncatedFinal(byte *hash, size_t size);
        unsigned int DigestSize() const {return DIGESTSIZE;}
        unsigned int BlockSize() const {return BLOCKSIZE;}
        std::string AlgorithmName() const {return StaticAlgorithmName();}
 
        CRYPTOPP_CONSTANT(DIGESTSIZE = 16);
        CRYPTOPP_CONSTANT(BLOCKSIZE = 16);
 
private:
        void Transform();
        void Init();
        SecByteBlock m_X, m_C, m_buf;
        unsigned int m_count;
};
 
}
#if CRYPTOPP_ENABLE_NAMESPACE_WEAK >= 1
namespace Weak {using namespace Weak1;}         // import Weak1 into CryptoPP::Weak
#else
using namespace Weak1;  // import Weak1 into CryptoPP with warning
#ifdef __GNUC__
#warning "You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning."
#else
#pragma message("You may be using a weak algorithm that has been retained for backwards compatibility. Please '#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1' before including this .h file and prepend the class name with 'Weak::' to remove this warning.")
#endif
#endif
 
NAMESPACE_END
 
#endif