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