blowfishex.h

一个由VC实现的加密解密代码

/*
	Copyright 2006 - 2008
	ZhangLuduo <[e-mail]>
	All Rights Reserved.

	Blowfish 对称加密算法之扩展, 仅用于对文件进行加密解解

	作者	- 张鲁夺(zhangluduo)
	MSN		- [e-mail]
	QQ群	- 34064264

	为所有爱我的人和我爱的人努力!
*/

#ifndef _BLOWFISHEX_H
#define _BLOWFISHEX_H

#include "Blowfish.h"
#include "MemberFxn.h"

#pragma warning(disable : 4786)
#include <string>
using namespace std;

#define BUFFERSIZE 1024 * 4

class BlowfishEx : public Blowfish
{
public:

	BlowfishEx();

private:

	bool m_bTerminate;

	void OnFileProcessing(int nProgress, MemberFxn addr);

	void Buf(unsigned char* const pData, int DataLen, bool IsEncrypt = true);

	__int64 GetFileSize(const char* szFileName);

	string m_strError;

public:

	enum{ BLOWFISH_KEYNOTVALIDATE = 5 };

	int Init( unsigned char* const key, int keyLen );

	bool FileBF(const char* inFileName, const char* outFileName, bool IsEncrypt = true, MemberFxn addr = 0);

	void TerminateBF();

	string GetError();
};

#endif