Click here to Skip to main content
15,898,134 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 111.2K   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_RANDPOOL_H
#define CRYPTOPP_RANDPOOL_H

#include "cryptlib.h"
#include "filters.h"

NAMESPACE_BEGIN(CryptoPP)

//! Randomness Pool
/*! This class can be used to generate cryptographic quality
	pseudorandom bytes after seeding the pool with IncorporateEntropy() */
class CRYPTOPP_DLL RandomPool : public RandomNumberGenerator, public NotCopyable
{
public:
	RandomPool();

	bool CanIncorporateEntropy() const {return true;}
	void IncorporateEntropy(const byte *input, size_t length);
	void GenerateIntoBufferedTransformation(BufferedTransformation &target, const std::string &channel, lword size);

	// for backwards compatibility. use RandomNumberSource, RandomNumberStore, and RandomNumberSink for other BufferTransformation functionality
	void Put(const byte *input, size_t length) {IncorporateEntropy(input, length);}

private:
	FixedSizeSecBlock<byte, 32> m_key;
	FixedSizeSecBlock<byte, 16> m_seed;
	member_ptr<BlockCipher> m_pCipher;
	bool m_keySet;
};

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