csp.h

how to use MSCSP encrypt and decrypt

// CSP.h: interface for the CCSP class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_CSP_H__3FA4CEDA_8FF2_48AA_85CD_B1165E5FBAD6__INCLUDED_)
#define AFX_CSP_H__3FA4CEDA_8FF2_48AA_85CD_B1165E5FBAD6__INCLUDED_

#define _WIN32_WINNT 0x0400  // to make the HCRYPT.. valid
#include <Wincrypt.h>
#define MY_ENCODING_TYPE  (PKCS_7_ASN_ENCODING | X509_ASN_ENCODING)
#define KEYLENGTH  0x00800000

#include <vector>
using namespace std;

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

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

public:
	HCRYPTPROV GetCSPHandle(CString strCSPName);
	CString GetDefaultCSPName() {return m_strDefaultCSPName;}
	void    SetDefaultCSPName(CString strCSPName){m_strDefaultCSPName = strCSPName;}
	void EnumAllCSPName();

	vector<CString> m_vStrCSPName;
	int iIndexOfCSPName;
	CString m_strDefaultCSPName;

};

#endif // !defined(AFX_CSP_H__3FA4CEDA_8FF2_48AA_85CD_B1165E5FBAD6__INCLUDED_)