www.pudn.com > ntcrypto.rar > init.c

#undef UNICODE					// ## Not Yet 
#include  
#include  
#include  
#include  
#include  
 
CHAR			pszMyName[64]; 
HCRYPTKEY		hClientKey; 
HCRYPTPROV		hMe; 
HCRYPTKEY		hKey2; 
 
BOOL Logon(int cArg); 
 
int __cdecl main(int cArg, char *rgszArg[]) 
{ 
 
        // Logon to provider 
	if (!Logon(cArg)) 
	    goto exit; 
 
exit: 
    return(0); 
 
} 
 
BOOL Logon(int cArg) 
{ 
	HCRYPTKEY	hTestKey; 
 
	pszMyName[0] = 0; 
 
	if (RCRYPT_FAILED(CryptAcquireContext(&hMe, pszMyName, MS_DEF_PROV, 
                          PROV_RSA_FULL, 0))) 
	{ 
            if (cArg > 1) 
		printf("\nUser doesn't exists, try to create it	"); 
 
	    if (RCRYPT_FAILED(CryptAcquireContext(&hMe, pszMyName, 
                              MS_DEF_PROV, PROV_RSA_FULL, CRYPT_NEWKEYSET))) 
            { 
	        if (cArg > 1) 
                    printf("FAIL Error = %x\n", GetLastError()); 
                return(FALSE); 
	    } 
	    else 
	    { 
	    if (cArg > 1) 
                printf("SUCCEED\n"); 
            } 
        } 
	else 
        { 
            if (cArg > 1) 
		printf("CryptAcquireContext for user: %s\n", pszMyName); 
        } 
 
	 
	if (RCRYPT_FAILED(CryptGetUserKey(hMe, AT_SIGNATURE, &hTestKey))) 
	{ 
 
            if (cArg > 1) 
                printf("Create signature key for %s:	", pszMyName); 
     
	    if (RCRYPT_FAILED(CryptGenKey(hMe, CALG_RSA_SIGN, 
                                          CRYPT_EXPORTABLE, &hClientKey))) 
	    { 
	        if (cArg > 1) 
                    printf("FAIL Error = %x\n", GetLastError()); 
	        return(FALSE); 
	    } 
	    if (cArg > 1) 
                printf("SUCCEED\n"); 
        } 
	else 
		CryptDestroyKey(hTestKey); 
		 
	if (RCRYPT_FAILED(CryptGetUserKey(hMe, AT_KEYEXCHANGE, &hTestKey))) 
	{ 
            if (cArg > 1 ) 
                printf("Create key exchange for %s:		", pszMyName); 
 
	    if (RCRYPT_FAILED(CryptGenKey(hMe, CALG_RSA_KEYX, 
                                          CRYPT_EXPORTABLE, &hKey2))) 
	    { 
	        if (cArg > 1) 
                    printf("FAIL Error = %x\n", GetLastError()); 
	        return(FALSE); 
	    } 
            if (cArg > 1) 
                printf("SUCCEED\n"); 
        } 
	else 
		CryptDestroyKey(hTestKey); 
 
        if (cArg > 1) 
            printf("Init completed\n"); 
 
	return(TRUE); 
        
}