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md2.h

00001 #ifndef CRYPTOPP_MD2_H 00002 #define CRYPTOPP_MD2_H 00003 00004 #include "cryptlib.h" 00005 #include "secblock.h" 00006 00007 NAMESPACE_BEGIN(CryptoPP) 00008 00009 /// <a href="http://www.weidai.com/scan-mirror/md.html#MD2">MD2</a> 00010 /** 128 Bit Hash */ 00011 class MD2 : public HashTransformation 00012 { 00013 public: 00014 MD2(); 00015 void Update(const byte *input, unsigned int length); 00016 void TruncatedFinal(byte *hash, unsigned int size); 00017 unsigned int DigestSize() const {return DIGESTSIZE;} 00018 static const char * StaticAlgorithmName() {return "MD2";} 00019 00020 enum {DIGESTSIZE = 16, BLOCKSIZE = 16}; 00021 00022 private: 00023 void Transform(); 00024 void Init(); 00025 SecByteBlock m_X, m_C, m_buf; 00026 unsigned int m_count; 00027 }; 00028 00029 NAMESPACE_END 00030 00031 #endif

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