fork of cyassl-lib
Dependents: TLS_cyassl TLS_cyassl
cyassl/ctaocrypt/random.h
- Committer:
- ashleymills
- Date:
- 2013-09-05
- Revision:
- 0:714293de3836
File content as of revision 0:714293de3836:
/* random.h * * Copyright (C) 2006-2013 wolfSSL Inc. * * 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 <cyassl/ctaocrypt/types.h> #ifndef NO_RC4 #include <cyassl/ctaocrypt/arc4.h> #else #include <cyassl/ctaocrypt/sha256.h> #endif #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; CYASSL_LOCAL int GenerateSeed(OS_Seed* os, byte* seed, word32 sz); #if defined(CYASSL_MDK_ARM) #undef RNG #define RNG CyaSSL_RNG /* for avoiding name conflict in "stm32f2xx.h" */ #endif #ifndef NO_RC4 #define CYASSL_RNG_CAVIUM_MAGIC 0xBEEF0004 /* secure Random Nnumber Generator */ typedef struct RNG { OS_Seed seed; Arc4 cipher; #ifdef HAVE_CAVIUM int devId; /* nitrox device id */ word32 magic; /* using cavium magic */ #endif } RNG; #ifdef HAVE_CAVIUM CYASSL_API int InitRngCavium(RNG*, int); #endif #else /* NO_RC4 */ #define DBRG_SEED_LEN (440/8) /* secure Random Nnumber Generator */ typedef struct RNG { OS_Seed seed; Sha256 sha; byte digest[SHA256_DIGEST_SIZE]; byte V[DBRG_SEED_LEN]; byte C[DBRG_SEED_LEN]; word64 reseed_ctr; } RNG; #endif CYASSL_API int InitRng(RNG*); CYASSL_API void RNG_GenerateBlock(RNG*, byte*, word32 sz); CYASSL_API byte RNG_GenerateByte(RNG*); #ifdef NO_RC4 CYASSL_API void FreeRng(RNG*); #endif #ifdef __cplusplus } /* extern "C" */ #endif #endif /* CTAO_CRYPT_RANDOM_H */