SSL/TLS Library

Dependents:  

CyaSSL is SSL/TLS library for embedded systems.

wolfssl.com

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?

UserRevisionLine numberNew 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