// Crypt.h: interface for the CCrypt class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_CRYPT_H__2EBFE763_50A2_44BD_B3B3_4D8A5E0F9F82__INCLUDED_)
#define AFX_CRYPT_H__2EBFE763_50A2_44BD_B3B3_4D8A5E0F9F82__INCLUDED_

#include "Wincrypt.h"

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

class CCrypt
{
public:
	CCrypt();
	virtual ~CCrypt();

// Attributes
protected:
	HCRYPTKEY	m_hKey;
	HCRYPTPROV	m_hProv;
	HCRYPTHASH	m_hHash;

// Operations
protected:
	BOOL Init();
	void ErrorMessage(DWORD dwError);
public:
	BOOL Create(LPBYTE pHashData, DWORD dwHashDataLen);
	void Destroy();
	BOOL Encrypt(LPBYTE lpBuffer, DWORD& dwBufferLen, BOOL bFanal = TRUE);
	BOOL Decrypt(LPBYTE lpBuffer, DWORD& dwBufferLen, BOOL bFanal = TRUE);
};

#endif // !defined(AFX_CRYPT_H__2EBFE763_50A2_44BD_B3B3_4D8A5E0F9F82__INCLUDED_)