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 namespace Weak1 {
00010
00011
00012 class MD2 : public HashTransformation
00013 {
00014 public:
00015 MD2();
00016 void Update(const byte *input, size_t length);
00017 void TruncatedFinal(byte *hash, size_t size);
00018 unsigned int DigestSize() const {return DIGESTSIZE;}
00019 unsigned int BlockSize() const {return BLOCKSIZE;}
00020 static const char * StaticAlgorithmName() {return "MD2";}
00021
00022 CRYPTOPP_CONSTANT(DIGESTSIZE = 16)
00023 CRYPTOPP_CONSTANT(BLOCKSIZE = 16)
00024
00025 private:
00026 void Transform();
00027 void Init();
00028 SecByteBlock m_X, m_C, m_buf;
00029 unsigned int m_count;
00030 };
00031
00032 }
00033 #if CRYPTOPP_ENABLE_NAMESPACE_WEAK >= 1
00034 namespace Weak {using namespace Weak1;}
00035 #else
00036 using namespace Weak1;
00037 #ifdef __GNUC__
00038 #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."
00039 #else
00040 #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.")
00041 #endif
00042 #endif
00043
00044 NAMESPACE_END
00045
00046 #endif