inituser1.c

C++编程实践与技巧一书各章节的源码

/******************************************************************************\
*       This is a part of the Microsoft Source Code Samples. 
*       Copyright 1996-1997 Microsoft Corporation.
*       All rights reserved. 
*       This source code is only intended as a supplement to 
*       Microsoft Development Tools and/or WinHelp documentation.
*       See these sources for detailed information regarding the 
*       Microsoft samples programs.
\******************************************************************************/

#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <wincrypt.h>

/*****************************************************************************/
void _cdecl main(void)
{
    HCRYPTPROV hProv;
    HCRYPTKEY hKey;
    CHAR szUserName[100];
    DWORD dwUserNameLen = 100;
/*
    // Attempt to acquire a handle to the default key container.
    if(!CryptAcquireContext(&hProv, NULL, MS_DEF_PROV, PROV_RSA_FULL, 0)) {
	// Some sort of error occured.

	// Create default key container.
	if(!CryptAcquireContext(&hProv, NULL, MS_DEF_PROV, PROV_RSA_FULL, CRYPT_NEWKEYSET)) {
	    printf("Error creating key container!\n");
	    exit(1);
	}

	// Get name of default key container.
	if(!CryptGetProvParam(hProv, PP_CONTAINER, szUserName, &dwUserNameLen, 0)) {
	    // Error getting key container name.
	    szUserName[0] = 0;
	}

	printf("Create key container '%s'\n",szUserName);
    }

    // Attempt to get handle to signature key.
    if(!CryptGetUserKey(hProv, AT_SIGNATURE, &hKey)) {
	if(GetLastError() == NTE_NO_KEY) {
	    // Create signature key pair.
	    printf("Create signature key pair\n");

	    if(!CryptGenKey(hProv,AT_SIGNATURE,0,&hKey)) {
		printf("Error %x during CryptGenKey!\n", GetLastError());
		exit(1);
	    } else {
		CryptDestroyKey(hKey);
	    }
	} else {
	    printf("Error %x during CryptGetUserKey!\n", GetLastError());
	    exit(1);
	}
    }

    // Attempt to get handle to exchange key.
    if(!CryptGetUserKey(hProv,AT_KEYEXCHANGE,&hKey)) {
	if(GetLastError()==NTE_NO_KEY) {
	    // Create key exchange key pair.
	    printf("Create key exchange key pair\n");

	    if(!CryptGenKey(hProv,AT_KEYEXCHANGE,0,&hKey)) {
		printf("Error %x during CryptGenKey!\n", GetLastError());
		exit(1);
	    } else {
		CryptDestroyKey(hKey);
	    }
	} else {
	    printf("Error %x during CryptGetUserKey!\n", GetLastError());
	    exit(1);
	}
    }

    CryptReleaseContext(hProv,0);

    printf("OK\n");

    exit(0);
	*/
}