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- /* random.h
- *
- * Copyright (C) 2006-2011 Sawtooth Consulting Ltd.
- *
- * This file is part of CyaSSL.
- *
- * CyaSSL 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 2 of the License, or
- * (at your option) any later version.
- *
- * CyaSSL 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
- #ifndef CTAO_CRYPT_RANDOM_H
- #define CTAO_CRYPT_RANDOM_H
- #include "arc4.h"
- #ifdef __cplusplus
- extern "C" {
- #endif
- #if defined(USE_WINDOWS_API)
- #if defined(_WIN64)
- typedef unsigned __int64 ProviderHandle;
- /* type HCRYPTPROV, avoid #include <windows.h> */
- #else
- typedef unsigned long ProviderHandle;
- #endif
- #endif
- /* OS specific seeder */
- typedef struct OS_Seed {
- #if defined(USE_WINDOWS_API)
- ProviderHandle handle;
- #else
- int fd;
- #endif
- } OS_Seed;
- int GenerateSeed(OS_Seed* os, byte* seed, word32 sz);
- /* secure Random Nnumber Generator */
- typedef struct RNG {
- OS_Seed seed;
- Arc4 cipher;
- } RNG;
- int InitRng(RNG*);
- void RNG_GenerateBlock(RNG*, byte*, word32 sz);
- byte RNG_GenerateByte(RNG*);
- #ifdef __cplusplus
- } /* extern "C" */
- #endif
- #endif /* CTAO_CRYPT_RANDOM_H */
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