1#ifndef CRYPTOPP_MD2_H 2#define CRYPTOPP_MD2_H 3 4#include "cryptlib.h" 5#include "secblock.h" 6 7NAMESPACE_BEGIN(CryptoPP) 8 9namespace Weak1 { 10 11/// <a href="http://www.cryptolounge.org/wiki/MD2">MD2</a> 12class MD2 : public HashTransformation 13{ 14public: 15 MD2(); 16 void Update(const byte *input, size_t length); 17 void TruncatedFinal(byte *hash, size_t size); 18 unsigned int DigestSize() const {return DIGESTSIZE;} 19 unsigned int BlockSize() const {return BLOCKSIZE;} 20 static const char * StaticAlgorithmName() {return "MD2";} 21 22 CRYPTOPP_CONSTANT(DIGESTSIZE = 16) 23 CRYPTOPP_CONSTANT(BLOCKSIZE = 16) 24 25private: 26 void Transform(); 27 void Init(); 28 SecByteBlock m_X, m_C, m_buf; 29 unsigned int m_count; 30}; 31 32} 33#if CRYPTOPP_ENABLE_NAMESPACE_WEAK >= 1 34namespace Weak {using namespace Weak1;} // import Weak1 into CryptoPP::Weak 35#else 36using namespace Weak1; // import Weak1 into CryptoPP with warning 37#ifdef __GNUC__ 38#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." 39#else 40#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.") 41#endif 42#endif 43 44NAMESPACE_END 45 46#endif 47