SSL/TLS Library
CyaSSL is SSL/TLS library for embedded systems.
cyassl/ctaocrypt/random.h@0:9d17e4342598, 2014-04-20 (annotated)
- Committer:
- wolfSSL
- Date:
- Sun Apr 20 12:40:57 2014 +0000
- Revision:
- 0:9d17e4342598
CyaSSL SSL/TLS Library 2.9.4;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
wolfSSL | 0:9d17e4342598 | 1 | /* random.h |
wolfSSL | 0:9d17e4342598 | 2 | * |
wolfSSL | 0:9d17e4342598 | 3 | * Copyright (C) 2006-2013 wolfSSL Inc. |
wolfSSL | 0:9d17e4342598 | 4 | * |
wolfSSL | 0:9d17e4342598 | 5 | * This file is part of CyaSSL. |
wolfSSL | 0:9d17e4342598 | 6 | * |
wolfSSL | 0:9d17e4342598 | 7 | * CyaSSL is free software; you can redistribute it and/or modify |
wolfSSL | 0:9d17e4342598 | 8 | * it under the terms of the GNU General Public License as published by |
wolfSSL | 0:9d17e4342598 | 9 | * the Free Software Foundation; either version 2 of the License, or |
wolfSSL | 0:9d17e4342598 | 10 | * (at your option) any later version. |
wolfSSL | 0:9d17e4342598 | 11 | * |
wolfSSL | 0:9d17e4342598 | 12 | * CyaSSL is distributed in the hope that it will be useful, |
wolfSSL | 0:9d17e4342598 | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
wolfSSL | 0:9d17e4342598 | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
wolfSSL | 0:9d17e4342598 | 15 | * GNU General Public License for more details. |
wolfSSL | 0:9d17e4342598 | 16 | * |
wolfSSL | 0:9d17e4342598 | 17 | * You should have received a copy of the GNU General Public License |
wolfSSL | 0:9d17e4342598 | 18 | * along with this program; if not, write to the Free Software |
wolfSSL | 0:9d17e4342598 | 19 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
wolfSSL | 0:9d17e4342598 | 20 | */ |
wolfSSL | 0:9d17e4342598 | 21 | |
wolfSSL | 0:9d17e4342598 | 22 | |
wolfSSL | 0:9d17e4342598 | 23 | #ifndef CTAO_CRYPT_RANDOM_H |
wolfSSL | 0:9d17e4342598 | 24 | #define CTAO_CRYPT_RANDOM_H |
wolfSSL | 0:9d17e4342598 | 25 | |
wolfSSL | 0:9d17e4342598 | 26 | #include <cyassl/ctaocrypt/types.h> |
wolfSSL | 0:9d17e4342598 | 27 | |
wolfSSL | 0:9d17e4342598 | 28 | #ifndef NO_RC4 |
wolfSSL | 0:9d17e4342598 | 29 | #include <cyassl/ctaocrypt/arc4.h> |
wolfSSL | 0:9d17e4342598 | 30 | #else |
wolfSSL | 0:9d17e4342598 | 31 | #include <cyassl/ctaocrypt/sha256.h> |
wolfSSL | 0:9d17e4342598 | 32 | #endif |
wolfSSL | 0:9d17e4342598 | 33 | |
wolfSSL | 0:9d17e4342598 | 34 | #ifdef __cplusplus |
wolfSSL | 0:9d17e4342598 | 35 | extern "C" { |
wolfSSL | 0:9d17e4342598 | 36 | #endif |
wolfSSL | 0:9d17e4342598 | 37 | |
wolfSSL | 0:9d17e4342598 | 38 | |
wolfSSL | 0:9d17e4342598 | 39 | #if defined(USE_WINDOWS_API) |
wolfSSL | 0:9d17e4342598 | 40 | #if defined(_WIN64) |
wolfSSL | 0:9d17e4342598 | 41 | typedef unsigned __int64 ProviderHandle; |
wolfSSL | 0:9d17e4342598 | 42 | /* type HCRYPTPROV, avoid #include <windows.h> */ |
wolfSSL | 0:9d17e4342598 | 43 | #else |
wolfSSL | 0:9d17e4342598 | 44 | typedef unsigned long ProviderHandle; |
wolfSSL | 0:9d17e4342598 | 45 | #endif |
wolfSSL | 0:9d17e4342598 | 46 | #endif |
wolfSSL | 0:9d17e4342598 | 47 | |
wolfSSL | 0:9d17e4342598 | 48 | |
wolfSSL | 0:9d17e4342598 | 49 | /* OS specific seeder */ |
wolfSSL | 0:9d17e4342598 | 50 | typedef struct OS_Seed { |
wolfSSL | 0:9d17e4342598 | 51 | #if defined(USE_WINDOWS_API) |
wolfSSL | 0:9d17e4342598 | 52 | ProviderHandle handle; |
wolfSSL | 0:9d17e4342598 | 53 | #else |
wolfSSL | 0:9d17e4342598 | 54 | int fd; |
wolfSSL | 0:9d17e4342598 | 55 | #endif |
wolfSSL | 0:9d17e4342598 | 56 | } OS_Seed; |
wolfSSL | 0:9d17e4342598 | 57 | |
wolfSSL | 0:9d17e4342598 | 58 | |
wolfSSL | 0:9d17e4342598 | 59 | CYASSL_LOCAL |
wolfSSL | 0:9d17e4342598 | 60 | int GenerateSeed(OS_Seed* os, byte* seed, word32 sz); |
wolfSSL | 0:9d17e4342598 | 61 | |
wolfSSL | 0:9d17e4342598 | 62 | #if defined(CYASSL_MDK_ARM) |
wolfSSL | 0:9d17e4342598 | 63 | #undef RNG |
wolfSSL | 0:9d17e4342598 | 64 | #define RNG CyaSSL_RNG /* for avoiding name conflict in "stm32f2xx.h" */ |
wolfSSL | 0:9d17e4342598 | 65 | #endif |
wolfSSL | 0:9d17e4342598 | 66 | |
wolfSSL | 0:9d17e4342598 | 67 | #ifndef NO_RC4 |
wolfSSL | 0:9d17e4342598 | 68 | |
wolfSSL | 0:9d17e4342598 | 69 | #define CYASSL_RNG_CAVIUM_MAGIC 0xBEEF0004 |
wolfSSL | 0:9d17e4342598 | 70 | |
wolfSSL | 0:9d17e4342598 | 71 | /* secure Random Nnumber Generator */ |
wolfSSL | 0:9d17e4342598 | 72 | |
wolfSSL | 0:9d17e4342598 | 73 | |
wolfSSL | 0:9d17e4342598 | 74 | typedef struct RNG { |
wolfSSL | 0:9d17e4342598 | 75 | OS_Seed seed; |
wolfSSL | 0:9d17e4342598 | 76 | Arc4 cipher; |
wolfSSL | 0:9d17e4342598 | 77 | #ifdef HAVE_CAVIUM |
wolfSSL | 0:9d17e4342598 | 78 | int devId; /* nitrox device id */ |
wolfSSL | 0:9d17e4342598 | 79 | word32 magic; /* using cavium magic */ |
wolfSSL | 0:9d17e4342598 | 80 | #endif |
wolfSSL | 0:9d17e4342598 | 81 | } RNG; |
wolfSSL | 0:9d17e4342598 | 82 | |
wolfSSL | 0:9d17e4342598 | 83 | |
wolfSSL | 0:9d17e4342598 | 84 | #ifdef HAVE_CAVIUM |
wolfSSL | 0:9d17e4342598 | 85 | CYASSL_API int InitRngCavium(RNG*, int); |
wolfSSL | 0:9d17e4342598 | 86 | #endif |
wolfSSL | 0:9d17e4342598 | 87 | |
wolfSSL | 0:9d17e4342598 | 88 | #else /* NO_RC4 */ |
wolfSSL | 0:9d17e4342598 | 89 | |
wolfSSL | 0:9d17e4342598 | 90 | #define DBRG_SEED_LEN (440/8) |
wolfSSL | 0:9d17e4342598 | 91 | |
wolfSSL | 0:9d17e4342598 | 92 | |
wolfSSL | 0:9d17e4342598 | 93 | /* secure Random Nnumber Generator */ |
wolfSSL | 0:9d17e4342598 | 94 | typedef struct RNG { |
wolfSSL | 0:9d17e4342598 | 95 | OS_Seed seed; |
wolfSSL | 0:9d17e4342598 | 96 | |
wolfSSL | 0:9d17e4342598 | 97 | Sha256 sha; |
wolfSSL | 0:9d17e4342598 | 98 | byte digest[SHA256_DIGEST_SIZE]; |
wolfSSL | 0:9d17e4342598 | 99 | byte V[DBRG_SEED_LEN]; |
wolfSSL | 0:9d17e4342598 | 100 | byte C[DBRG_SEED_LEN]; |
wolfSSL | 0:9d17e4342598 | 101 | word64 reseed_ctr; |
wolfSSL | 0:9d17e4342598 | 102 | } RNG; |
wolfSSL | 0:9d17e4342598 | 103 | |
wolfSSL | 0:9d17e4342598 | 104 | #endif |
wolfSSL | 0:9d17e4342598 | 105 | |
wolfSSL | 0:9d17e4342598 | 106 | CYASSL_API int InitRng(RNG*); |
wolfSSL | 0:9d17e4342598 | 107 | CYASSL_API void RNG_GenerateBlock(RNG*, byte*, word32 sz); |
wolfSSL | 0:9d17e4342598 | 108 | CYASSL_API byte RNG_GenerateByte(RNG*); |
wolfSSL | 0:9d17e4342598 | 109 | |
wolfSSL | 0:9d17e4342598 | 110 | #ifdef NO_RC4 |
wolfSSL | 0:9d17e4342598 | 111 | CYASSL_API void FreeRng(RNG*); |
wolfSSL | 0:9d17e4342598 | 112 | #endif |
wolfSSL | 0:9d17e4342598 | 113 | |
wolfSSL | 0:9d17e4342598 | 114 | #ifdef __cplusplus |
wolfSSL | 0:9d17e4342598 | 115 | } /* extern "C" */ |
wolfSSL | 0:9d17e4342598 | 116 | #endif |
wolfSSL | 0:9d17e4342598 | 117 | |
wolfSSL | 0:9d17e4342598 | 118 | #endif /* CTAO_CRYPT_RANDOM_H */ |
wolfSSL | 0:9d17e4342598 | 119 |