Sweden-Number/dlls/bcrypt/tests/bcrypt.c

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/*
* Unit test for bcrypt functions
*
* Copyright 2014 Bruno Jesus
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <ntstatus.h>
#define WIN32_NO_STATUS
#include <windows.h>
#include <bcrypt.h>
#include "wine/test.h"
static NTSTATUS (WINAPI *pBCryptGenRandom)(BCRYPT_ALG_HANDLE hAlgorithm, PUCHAR pbBuffer,
ULONG cbBuffer, ULONG dwFlags);
static BOOL Init(void)
{
HMODULE hbcrypt = LoadLibraryA("bcrypt.dll");
if (!hbcrypt)
{
win_skip("bcrypt library not available\n");
return FALSE;
}
pBCryptGenRandom = (void *)GetProcAddress(hbcrypt, "BCryptGenRandom");
return TRUE;
}
static void test_BCryptGenRandom(void)
{
NTSTATUS ret;
UCHAR buffer[256];
if (!pBCryptGenRandom)
{
win_skip("BCryptGenRandom is not available\n");
return;
}
ret = pBCryptGenRandom(NULL, NULL, 0, 0);
ok(ret == STATUS_INVALID_HANDLE, "Expected STATUS_INVALID_HANDLE, got 0x%x\n", ret);
ret = pBCryptGenRandom(NULL, buffer, 0, 0);
ok(ret == STATUS_INVALID_HANDLE, "Expected STATUS_INVALID_HANDLE, got 0x%x\n", ret);
ret = pBCryptGenRandom(NULL, buffer, sizeof(buffer), 0);
ok(ret == STATUS_INVALID_HANDLE, "Expected STATUS_INVALID_HANDLE, got 0x%x\n", ret);
ret = pBCryptGenRandom(NULL, buffer, sizeof(buffer), BCRYPT_USE_SYSTEM_PREFERRED_RNG);
ok(ret == STATUS_SUCCESS, "Expected success, got 0x%x\n", ret);
ret = pBCryptGenRandom(NULL, buffer, sizeof(buffer),
BCRYPT_USE_SYSTEM_PREFERRED_RNG|BCRYPT_RNG_USE_ENTROPY_IN_BUFFER);
ok(ret == STATUS_SUCCESS, "Expected success, got 0x%x\n", ret);
ret = pBCryptGenRandom(NULL, NULL, sizeof(buffer), BCRYPT_USE_SYSTEM_PREFERRED_RNG);
ok(ret == STATUS_INVALID_PARAMETER, "Expected STATUS_INVALID_PARAMETER, got 0x%x\n", ret);
/* Zero sized buffer should work too */
ret = pBCryptGenRandom(NULL, buffer, 0, BCRYPT_USE_SYSTEM_PREFERRED_RNG);
ok(ret == STATUS_SUCCESS, "Expected success, got 0x%x\n", ret);
/* Test random number generation - It's impossible for a sane RNG to return 8 zeros */
memset(buffer, 0, 16);
ret = pBCryptGenRandom(NULL, buffer, 8, BCRYPT_USE_SYSTEM_PREFERRED_RNG);
ok(ret == STATUS_SUCCESS, "Expected success, got 0x%x\n", ret);
ok(memcmp(buffer, buffer + 8, 8), "Expected a random number, got 0\n");
}
START_TEST(bcrypt)
{
if (!Init())
return;
test_BCryptGenRandom();
}