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