#ifndef CRYPTOPP_MD4_H

#define CRYPTOPP_MD4_H

#include "iterhash.h"

NAMESPACE_BEGIN(CryptoPP)

namespace Weak1 {

/// <a href="http://www.weidai.com/scan-mirror/md.html#MD4">MD4</a>

/*! \warning MD4 is considered insecure, and should not be used

  unless you absolutely need it for compatibility. */

class MD4 : public IteratedHashWithStaticTransform<word32, LittleEndian, 64, 16, MD4>

{

public:

  static void InitState(HashWordType *state);

  static void Transform(word32 *digest, const word32 *data);

  CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "MD4";}

};

}

#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