3 * Copyright (C) 2006-2012 Sawtooth Consulting Ltd.
5 * This file is part of CyaSSL.
7 * CyaSSL is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * CyaSSL is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
23 #ifndef CTAO_CRYPT_RANDOM_H
24 #define CTAO_CRYPT_RANDOM_H
26 #include <cyassl/ctaocrypt/arc4.h>
33 #if defined(USE_WINDOWS_API)
35 typedef unsigned __int64 ProviderHandle;
36 /* type HCRYPTPROV, avoid #include <windows.h> */
38 typedef unsigned long ProviderHandle;
43 /* OS specific seeder */
44 typedef struct OS_Seed {
45 #if defined(USE_WINDOWS_API)
46 ProviderHandle handle;
53 int GenerateSeed(OS_Seed* os, byte* seed, word32 sz);
56 /* secure Random Nnumber Generator */
63 CYASSL_API int InitRng(RNG*);
64 CYASSL_API void RNG_GenerateBlock(RNG*, byte*, word32 sz);
65 CYASSL_API byte RNG_GenerateByte(RNG*);
72 #endif /* CTAO_CRYPT_RANDOM_H */