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Encryption and compression, native and managed

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29 Jun 2012CPOL7 min read 111K   6.9K   92  
DLL for native encryption and compression (using Crypto++). Includes RSA Key Generator in C#, and encryption and compression in ASP.NET (C#).
#ifndef CRYPTOPP_MD2_H
#define CRYPTOPP_MD2_H

#include "cryptlib.h"
#include "secblock.h"

NAMESPACE_BEGIN(CryptoPP)

namespace Weak1 {

/// <a href="http://www.cryptolounge.org/wiki/MD2">MD2</a>
class MD2 : public HashTransformation
{
public:
	MD2();
	void Update(const byte *input, size_t length);
	void TruncatedFinal(byte *hash, size_t size);
	unsigned int DigestSize() const {return DIGESTSIZE;}
	unsigned int BlockSize() const {return BLOCKSIZE;}
	static const char * StaticAlgorithmName() {return "MD2";}

	CRYPTOPP_CONSTANT(DIGESTSIZE = 16)
	CRYPTOPP_CONSTANT(BLOCKSIZE = 16)

private:
	void Transform();
	void Init();
	SecByteBlock m_X, m_C, m_buf;
	unsigned int m_count;
};

}
#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

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer
Argentina Argentina
System developer from Argentina.

Programmed in VB 5,6,.NET, C#, Java, PL-SQL, Transac-SQL, C, C++ and even some "calculator" language.

Love to build small, useful applications.
Usually building big and complicated apps based on solid, reliable components.

Hobbies: reading, photography, chess, paddle, running.

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