1 #ifndef CRYPTOPP_MD4_H 2 #define CRYPTOPP_MD4_H 3 4 #include "iterhash.h" 5 NAMESPACE_BEGIN(CryptoPP)6NAMESPACE_BEGIN(CryptoPP) 7 8 namespace Weak1 { 9 10 /// <a href="http://www.weidai.com/scan-mirror/md.html#MD4">MD4</a> 11 /*! \warning MD4 is considered insecure, and should not be used 12 unless you absolutely need it for compatibility. */ 13 class MD4 : public IteratedHashWithStaticTransform<word32, LittleEndian, 64, 16, MD4> 14 { 15 public: 16 static void InitState(HashWordType *state); 17 static void Transform(word32 *digest, const word32 *data); 18 CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "MD4";} 19 }; 20 21 } 22 #if CRYPTOPP_ENABLE_NAMESPACE_WEAK >= 1 23 namespace Weak {using namespace Weak1;} // import Weak1 into CryptoPP::Weak 24 #else 25 using namespace Weak1; // import Weak1 into CryptoPP with warning 26 #ifdef __GNUC__ 27 #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." 28 #else 29 #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.") 30 #endif 31 #endif 32 33 NAMESPACE_END 34 35 #endif 36