#pragma once
#ifndef  _TRYTO_SNREGISTER_HEAD
#define  _TRYTO_SNREGISTER_HEAD

#include <afx.h>

class CSNRegister:public CObject
{
	enum{CREATE,OPEN};
	void ClearAll();

	char m_sztemp[1024];
public:
	CSNRegister();
	~CSNRegister();

private:
	BOOL Load(const char *&pStrDirectroy);
	void Store(const char *&pStrDirectroy);
	virtual void Serialize(CArchive& ar);

	void encrypt(
		char *byCode,
		char *bySn,
		char *byUseTime,
		char *byPName,
		char *byStartTime,
		char *byEndTime,
		char *byLeftTime);

	void decrypt(
		char *byCode,
		char *bySn,
		char *byUseTime,
		char *byPName,
		char *byStartTime,
		char *byEndTime,
		char *byLeftTime);

	void ShowCihper(BYTE *rtext,long len);
	void HalfByteToByte(BYTE *rin,BYTE *rout, long len);
	int GetCheck(BOOL btype);
	void GetByteSum(DWORD &dwSum, CString &strSrc);

public:
	BOOL itf_read_snfile(const char *szfile);

	BOOL itf_create_snfile(
		const char *szfile, 
		char *byCode,
		char *bySn,
		char *byUseTime,
		char *byPName,
		char *byStartTime,
		char *byEndTime,
		char *byLeftTime);

	BOOL itf_modify_snfile(
		const char *szfile, 
		char *byCode,
		char *bySn,
		char *byUseTime,
		char *byPName,
		char *byStartTime,
		char *byEndTime,
		char *byLeftTime);

public:
	BOOL itf_IsCorrectSN(const char *szfile);
	void itf_SavebyLTime(const DWORD &dwLTime,const char *szPath);

	DWORD itf_returnLeftTime();

	char *itf_returnSnCode();
	char *itf_returnCheckCode();

	char *itf_encrypt(char *szSrc);
	char *itf_decrypt(char *szSrc);

public:
	CString m_strStart;			// 起始符;	7F;
	CString m_strCode;			// 128位特征码,防伪,实码64位;
	CString m_strSn;			// 48位加密SN码,实码18位;
	CString m_strUseTime;		// 使用时间;
	CString m_strPName;			// 项目名称;
	CString m_strStartTime;		// 建成时间;
	CString m_strEndTime;		// 完成时间;
	CString m_strLeftTime;		// 剩余时间;
	CString m_strCheck;			// 校验码;
	CString m_strEndof;			// 终止符;  0D;
	
};

#endif