Winlogon using Mobile Disk

// UserInfo.h: interface for the CUserInfo class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_USERINFO_H__FFF6636D_773C_491B_A605_CC9D064BD417__INCLUDED_)
#define AFX_USERINFO_H__FFF6636D_773C_491B_A605_CC9D064BD417__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "Windows.h"
#include "stdio.h"

//typedef unsigned long DWORD;
//typedef int BOOL;

typedef struct _USER_INFO
{
	char	lpUserName[30];
	char	lpPassword[30];
	DWORD	dwMagic;
	char	lpDomain[40];
	char	lpVolName[20];
	char	lpFileSystem[20];
	DWORD	dwVolSerialNo;

	DWORD	dwLogonType;
	char	lpWindowsUser[30];
	char	lpWindowsPassword[30];

}USER_INFO;

#define DISK_FILE_NAME "user.info"
#define FIND_DRIVE_TYPE DRIVE_REMOVABLE

class CUserInfo  
{
public:
	char m_lpLocalSecurityKey[255];
	BOOL SaveSecurityKey(char *lpKey);
	char* EncodeData(void *lpData, int len);
	BOOL ValidDiskPresent();
	void Print(USER_INFO user_info);
	USER_INFO Decode(USER_INFO user_info);
	USER_INFO Encode(USER_INFO user_info);
	USER_INFO LoadUserInfo(char *lpPath);
	DWORD GetRandomMagic();
	DWORD GetMagicFunctionValue(int id);
	BOOL CheckMagic(USER_INFO user_info);
	BOOL CheckDisk(USER_INFO user_info, int nDrive);
	BOOL CreateDiskFile(USER_INFO user, char *lpPath);

	BOOL CheckSecurityKey(char *lpSecurityKey);

	DWORD	m_dwMagicValues[60];

	CUserInfo();

	virtual ~CUserInfo();
	
};

#endif // !defined(AFX_USERINFO_H__FFF6636D_773C_491B_A605_CC9D064BD417__INCLUDED_)