Click here to Skip to main content
15,886,676 members
Articles / Web Development / ASP.NET

Encryption and compression, native and managed

Rate me:
Please Sign up or sign in to vote.
4.74/5 (17 votes)
29 Jun 2012CPOL7 min read 111.1K   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_CAMELLIA_H
#define CRYPTOPP_CAMELLIA_H

#include "config.h"

/** \file
*/

#include "seckey.h"
#include "secblock.h"

NAMESPACE_BEGIN(CryptoPP)

//! _
struct Camellia_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
{
	static const char *StaticAlgorithmName() {return "Camellia";}
};

/// <a href="http://www.weidai.com/scan-mirror/cs.html#Camellia">Camellia</a>
class Camellia : public Camellia_Info, public BlockCipherDocumentation
{
	class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Camellia_Info>
	{
	public:
		void UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs &params);
		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
		unsigned int BlockAlignment() const {return 8;}

	protected:
		static const byte s1[256];
		static const word32 SP[4][256];

		unsigned int m_rounds;
		SecBlock<word32> m_key;
	};

public:
	typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
	typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};

typedef Camellia::Encryption CamelliaEncryption;
typedef Camellia::Decryption CamelliaDecryption;

NAMESPACE_END

#endif

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

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.

Comments and Discussions