rostests/winetests/bcrypt/bcrypt.c

   1 /*
   2  * Unit test for bcrypt functions
   3  *
   4  * Copyright 2014 Bruno Jesus
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <ntstatus.h>
  22 #define WIN32_NO_STATUS
  23 #include <windows.h>
  24 #include <bcrypt.h>
  25
  26 #include "wine/test.h"
  27
  28 static NTSTATUS (WINAPI *pBCryptGenRandom)(BCRYPT_ALG_HANDLE hAlgorithm, PUCHAR pbBuffer,
  29                                            ULONG cbBuffer, ULONG dwFlags);
  30 static NTSTATUS (WINAPI *pBCryptGetFipsAlgorithmMode)(BOOLEAN *enabled);
  31
  32 static BOOL Init(void)
  33 {
  34     HMODULE hbcrypt = LoadLibraryA("bcrypt.dll");
  35     if (!hbcrypt)
  36     {
  37         win_skip("bcrypt library not available\n");
  38         return FALSE;
  39     }
  40
  41     pBCryptGenRandom = (void *)GetProcAddress(hbcrypt, "BCryptGenRandom");
  42     pBCryptGetFipsAlgorithmMode = (void *)GetProcAddress(hbcrypt, "BCryptGetFipsAlgorithmMode");
  43
  44     return TRUE;
  45 }
  46
  47 static void test_BCryptGenRandom(void)
  48 {
  49     NTSTATUS ret;
  50     UCHAR buffer[256];
  51
  52     if (!pBCryptGenRandom)
  53     {
  54         win_skip("BCryptGenRandom is not available\n");
  55         return;
  56     }
  57
  58     ret = pBCryptGenRandom(NULL, NULL, 0, 0);
  59     ok(ret == STATUS_INVALID_HANDLE, "Expected STATUS_INVALID_HANDLE, got 0x%x\n", ret);
  60     ret = pBCryptGenRandom(NULL, buffer, 0, 0);
  61     ok(ret == STATUS_INVALID_HANDLE, "Expected STATUS_INVALID_HANDLE, got 0x%x\n", ret);
  62     ret = pBCryptGenRandom(NULL, buffer, sizeof(buffer), 0);
  63     ok(ret == STATUS_INVALID_HANDLE, "Expected STATUS_INVALID_HANDLE, got 0x%x\n", ret);
  64     ret = pBCryptGenRandom(NULL, buffer, sizeof(buffer), BCRYPT_USE_SYSTEM_PREFERRED_RNG);
  65     ok(ret == STATUS_SUCCESS, "Expected success, got 0x%x\n", ret);
  66     ret = pBCryptGenRandom(NULL, buffer, sizeof(buffer),
  67           BCRYPT_USE_SYSTEM_PREFERRED_RNG|BCRYPT_RNG_USE_ENTROPY_IN_BUFFER);
  68     ok(ret == STATUS_SUCCESS, "Expected success, got 0x%x\n", ret);
  69     ret = pBCryptGenRandom(NULL, NULL, sizeof(buffer), BCRYPT_USE_SYSTEM_PREFERRED_RNG);
  70     ok(ret == STATUS_INVALID_PARAMETER, "Expected STATUS_INVALID_PARAMETER, got 0x%x\n", ret);
  71
  72     /* Zero sized buffer should work too */
  73     ret = pBCryptGenRandom(NULL, buffer, 0, BCRYPT_USE_SYSTEM_PREFERRED_RNG);
  74     ok(ret == STATUS_SUCCESS, "Expected success, got 0x%x\n", ret);
  75
  76     /* Test random number generation - It's impossible for a sane RNG to return 8 zeros */
  77     memset(buffer, 0, 16);
  78     ret = pBCryptGenRandom(NULL, buffer, 8, BCRYPT_USE_SYSTEM_PREFERRED_RNG);
  79     ok(ret == STATUS_SUCCESS, "Expected success, got 0x%x\n", ret);
  80     ok(memcmp(buffer, buffer + 8, 8), "Expected a random number, got 0\n");
  81 }
  82
  83 static void test_BCryptGetFipsAlgorithmMode(void)
  84 {
  85     NTSTATUS ret;
  86     BOOLEAN enabled;
  87
  88     if (!pBCryptGetFipsAlgorithmMode)
  89     {
  90         win_skip("BCryptGetFipsAlgorithmMode is not available\n");
  91         return;
  92     }
  93
  94     ret = pBCryptGetFipsAlgorithmMode(&enabled);
  95     ok(ret == STATUS_SUCCESS, "Expected STATUS_SUCCESS, got 0x%x\n", ret);
  96
  97     ret = pBCryptGetFipsAlgorithmMode(NULL);
  98     ok(ret == STATUS_INVALID_PARAMETER, "Expected STATUS_INVALID_PARAMETER, got 0x%x\n", ret);
  99 }
 100
 101 START_TEST(bcrypt)
 102 {
 103     if (!Init())
 104         return;
 105
 106     test_BCryptGenRandom();
 107     test_BCryptGetFipsAlgorithmMode();
 108 }