| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 1992-1999,2001,2003,2004,2005,2009,2010,2011,2012,2013 Free Software Foundation, Inc. |
| * |
| * GRUB is free software: you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * GRUB 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with GRUB. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <config.h> |
| |
| #include <grub/types.h> |
| #include <grub/crypto.h> |
| #include <grub/auth.h> |
| #include <grub/emu/misc.h> |
| #include <grub/util/misc.h> |
| #include <grub/i18n.h> |
| |
| #include <unistd.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <windows.h> |
| #include <wincrypt.h> |
| |
| int |
| grub_get_random (void *out, grub_size_t len) |
| { |
| HCRYPTPROV hCryptProv; |
| if (!CryptAcquireContext (&hCryptProv, |
| NULL, |
| MS_DEF_PROV, |
| PROV_RSA_FULL, |
| CRYPT_VERIFYCONTEXT)) |
| return 1; |
| if (!CryptGenRandom (hCryptProv, len, out)) |
| { |
| CryptReleaseContext (hCryptProv, 0); |
| return 1; |
| } |
| |
| CryptReleaseContext (hCryptProv, 0); |
| |
| return 0; |
| } |