dll/win32/bcrypt/bcrypt_main.c

   1 /*
   2  * Copyright 2009 Henri Verbeet for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  *
  18  */
  19
  20 #include <wine/config.h>
  21
  22 #include <ntstatus.h>
  23 #define WIN32_NO_STATUS
  24
  25 #include <wine/debug.h>
  26
  27 #include <winbase.h>
  28 #include <ntsecapi.h>
  29 #include <bcrypt.h>
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(bcrypt);
  32
  33 NTSTATUS WINAPI BCryptEnumAlgorithms(ULONG dwAlgOperations, ULONG *pAlgCount,
  34                                      BCRYPT_ALGORITHM_IDENTIFIER **ppAlgList, ULONG dwFlags)
  35 {
  36     FIXME("%08x, %p, %p, %08x - stub\n", dwAlgOperations, pAlgCount, ppAlgList, dwFlags);
  37
  38     *ppAlgList=NULL;
  39     *pAlgCount=0;
  40
  41     return STATUS_NOT_IMPLEMENTED;
  42 }
  43
  44 NTSTATUS WINAPI BCryptGenRandom(BCRYPT_ALG_HANDLE algorithm, UCHAR *buffer, ULONG count, ULONG flags)
  45 {
  46     const DWORD supported_flags = BCRYPT_USE_SYSTEM_PREFERRED_RNG;
  47     TRACE("%p, %p, %u, %08x - semi-stub\n", algorithm, buffer, count, flags);
  48
  49     if (!algorithm)
  50     {
  51         /* It's valid to call without an algorithm if BCRYPT_USE_SYSTEM_PREFERRED_RNG
  52          * is set. In this case the preferred system RNG is used.
  53          */
  54         if (!(flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG))
  55             return STATUS_INVALID_HANDLE;
  56     }
  57     if (!buffer)
  58         return STATUS_INVALID_PARAMETER;
  59
  60     if (flags & ~supported_flags)
  61         FIXME("unsupported flags %08x\n", flags & ~supported_flags);
  62
  63     if (algorithm)
  64         FIXME("ignoring selected algorithm\n");
  65
  66     /* When zero bytes are requested the function returns success too. */
  67     if (!count)
  68         return STATUS_SUCCESS;
  69
  70     if (flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG)
  71     {
  72         if (RtlGenRandom(buffer, count))
  73             return STATUS_SUCCESS;
  74     }
  75
  76     FIXME("called with unsupported parameters, returning error\n");
  77     return STATUS_NOT_IMPLEMENTED;
  78 }
  79
  80 NTSTATUS WINAPI BCryptOpenAlgorithmProvider(BCRYPT_ALG_HANDLE *algorithm, LPCWSTR algorithmId,
  81                                             LPCWSTR implementation, DWORD flags)
  82 {
  83     FIXME("%p, %s, %s, %08x - stub\n", algorithm, wine_dbgstr_w(algorithmId), wine_dbgstr_w(implementation), flags);
  84
  85     if (!algorithm)
  86         return STATUS_INVALID_PARAMETER;
  87
  88     *algorithm = NULL;
  89
  90     return STATUS_NOT_IMPLEMENTED;
  91 }
  92
  93 NTSTATUS WINAPI BCryptCloseAlgorithmProvider(BCRYPT_ALG_HANDLE algorithm, DWORD flags)
  94 {
  95     FIXME("%p, %08x - stub\n", algorithm, flags);
  96
  97     return STATUS_NOT_IMPLEMENTED;
  98 }
  99
 100 NTSTATUS WINAPI BCryptGetFipsAlgorithmMode(BOOLEAN *enabled)
 101 {
 102     FIXME("%p - semi-stub\n", enabled);
 103
 104     if (!enabled)
 105         return STATUS_INVALID_PARAMETER;
 106
 107     *enabled = FALSE;
 108     return STATUS_SUCCESS;
 109 }