wolf SSL / CyaSSL

CyaSSL 3.0.0

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cyassl/ctaocrypt/random.h@3:64d4f7cb83d5, 2014-12-03 (annotated)

Committer:
wolfSSL
Date:
Wed Dec 03 05:24:18 2014 +0000
Revision:
3:64d4f7cb83d5
Parent:
0:1239e9b70ca2 
added IGNORE_KEY_EXTENSIONS

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 0:1239e9b70ca2 1 /* random.h
wolfSSL 0:1239e9b70ca2 2 *
wolfSSL 0:1239e9b70ca2 3 * Copyright (C) 2006-2014 wolfSSL Inc.
wolfSSL 0:1239e9b70ca2 4 *
wolfSSL 0:1239e9b70ca2 5 * This file is part of CyaSSL.
wolfSSL 0:1239e9b70ca2 6 *
wolfSSL 0:1239e9b70ca2 7 * CyaSSL is free software; you can redistribute it and/or modify
wolfSSL 0:1239e9b70ca2 8 * it under the terms of the GNU General Public License as published by
wolfSSL 0:1239e9b70ca2 9 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 0:1239e9b70ca2 10 * (at your option) any later version.
wolfSSL 0:1239e9b70ca2 11 *
wolfSSL 0:1239e9b70ca2 12 * CyaSSL is distributed in the hope that it will be useful,
wolfSSL 0:1239e9b70ca2 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 0:1239e9b70ca2 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 0:1239e9b70ca2 15 * GNU General Public License for more details.
wolfSSL 0:1239e9b70ca2 16 *
wolfSSL 0:1239e9b70ca2 17 * You should have received a copy of the GNU General Public License
wolfSSL 0:1239e9b70ca2 18 * along with this program; if not, write to the Free Software
wolfSSL 0:1239e9b70ca2 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
wolfSSL 0:1239e9b70ca2 20 */
wolfSSL 0:1239e9b70ca2 21
wolfSSL 0:1239e9b70ca2 22
wolfSSL 0:1239e9b70ca2 23 #ifndef CTAO_CRYPT_RANDOM_H
wolfSSL 0:1239e9b70ca2 24 #define CTAO_CRYPT_RANDOM_H
wolfSSL 0:1239e9b70ca2 25
wolfSSL 0:1239e9b70ca2 26 #include <cyassl/ctaocrypt/types.h>
wolfSSL 0:1239e9b70ca2 27
wolfSSL 0:1239e9b70ca2 28 #ifndef NO_RC4
wolfSSL 0:1239e9b70ca2 29 #include <cyassl/ctaocrypt/arc4.h>
wolfSSL 0:1239e9b70ca2 30 #else
wolfSSL 0:1239e9b70ca2 31 #include <cyassl/ctaocrypt/sha256.h>
wolfSSL 0:1239e9b70ca2 32 #endif
wolfSSL 0:1239e9b70ca2 33
wolfSSL 0:1239e9b70ca2 34 #ifdef __cplusplus
wolfSSL 0:1239e9b70ca2 35 extern "C" {
wolfSSL 0:1239e9b70ca2 36 #endif
wolfSSL 0:1239e9b70ca2 37
wolfSSL 0:1239e9b70ca2 38
wolfSSL 0:1239e9b70ca2 39 #if defined(USE_WINDOWS_API)
wolfSSL 0:1239e9b70ca2 40 #if defined(_WIN64)
wolfSSL 0:1239e9b70ca2 41 typedef unsigned __int64 ProviderHandle;
wolfSSL 0:1239e9b70ca2 42 /* type HCRYPTPROV, avoid #include <windows.h> */
wolfSSL 0:1239e9b70ca2 43 #else
wolfSSL 0:1239e9b70ca2 44 typedef unsigned long ProviderHandle;
wolfSSL 0:1239e9b70ca2 45 #endif
wolfSSL 0:1239e9b70ca2 46 #endif
wolfSSL 0:1239e9b70ca2 47
wolfSSL 0:1239e9b70ca2 48
wolfSSL 0:1239e9b70ca2 49 /* OS specific seeder */
wolfSSL 0:1239e9b70ca2 50 typedef struct OS_Seed {
wolfSSL 0:1239e9b70ca2 51 #if defined(USE_WINDOWS_API)
wolfSSL 0:1239e9b70ca2 52 ProviderHandle handle;
wolfSSL 0:1239e9b70ca2 53 #else
wolfSSL 0:1239e9b70ca2 54 int fd;
wolfSSL 0:1239e9b70ca2 55 #endif
wolfSSL 0:1239e9b70ca2 56 } OS_Seed;
wolfSSL 0:1239e9b70ca2 57
wolfSSL 0:1239e9b70ca2 58
wolfSSL 0:1239e9b70ca2 59 CYASSL_LOCAL
wolfSSL 0:1239e9b70ca2 60 int GenerateSeed(OS_Seed* os, byte* seed, word32 sz);
wolfSSL 0:1239e9b70ca2 61
wolfSSL 0:1239e9b70ca2 62 #if defined(CYASSL_MDK_ARM)
wolfSSL 0:1239e9b70ca2 63 #undef RNG
wolfSSL 0:1239e9b70ca2 64 #define RNG CyaSSL_RNG /* for avoiding name conflict in "stm32f2xx.h" */
wolfSSL 0:1239e9b70ca2 65 #endif
wolfSSL 0:1239e9b70ca2 66
wolfSSL 0:1239e9b70ca2 67 #ifndef NO_RC4
wolfSSL 0:1239e9b70ca2 68
wolfSSL 0:1239e9b70ca2 69 #define CYASSL_RNG_CAVIUM_MAGIC 0xBEEF0004
wolfSSL 0:1239e9b70ca2 70
wolfSSL 0:1239e9b70ca2 71 /* secure Random Nnumber Generator */
wolfSSL 0:1239e9b70ca2 72
wolfSSL 0:1239e9b70ca2 73
wolfSSL 0:1239e9b70ca2 74 typedef struct RNG {
wolfSSL 0:1239e9b70ca2 75 OS_Seed seed;
wolfSSL 0:1239e9b70ca2 76 Arc4 cipher;
wolfSSL 0:1239e9b70ca2 77 #ifdef HAVE_CAVIUM
wolfSSL 0:1239e9b70ca2 78 int devId; /* nitrox device id */
wolfSSL 0:1239e9b70ca2 79 word32 magic; /* using cavium magic */
wolfSSL 0:1239e9b70ca2 80 #endif
wolfSSL 0:1239e9b70ca2 81 } RNG;
wolfSSL 0:1239e9b70ca2 82
wolfSSL 0:1239e9b70ca2 83
wolfSSL 0:1239e9b70ca2 84 #ifdef HAVE_CAVIUM
wolfSSL 0:1239e9b70ca2 85 CYASSL_API int InitRngCavium(RNG*, int);
wolfSSL 0:1239e9b70ca2 86 #endif
wolfSSL 0:1239e9b70ca2 87
wolfSSL 0:1239e9b70ca2 88 #else /* NO_RC4 */
wolfSSL 0:1239e9b70ca2 89
wolfSSL 0:1239e9b70ca2 90 #define DBRG_SEED_LEN (440/8)
wolfSSL 0:1239e9b70ca2 91
wolfSSL 0:1239e9b70ca2 92
wolfSSL 0:1239e9b70ca2 93 /* secure Random Nnumber Generator */
wolfSSL 0:1239e9b70ca2 94 typedef struct RNG {
wolfSSL 0:1239e9b70ca2 95 OS_Seed seed;
wolfSSL 0:1239e9b70ca2 96
wolfSSL 0:1239e9b70ca2 97 Sha256 sha;
wolfSSL 0:1239e9b70ca2 98 byte digest[SHA256_DIGEST_SIZE];
wolfSSL 0:1239e9b70ca2 99 byte V[DBRG_SEED_LEN];
wolfSSL 0:1239e9b70ca2 100 byte C[DBRG_SEED_LEN];
wolfSSL 0:1239e9b70ca2 101 word64 reseed_ctr;
wolfSSL 0:1239e9b70ca2 102 } RNG;
wolfSSL 0:1239e9b70ca2 103
wolfSSL 0:1239e9b70ca2 104 #endif
wolfSSL 0:1239e9b70ca2 105
wolfSSL 0:1239e9b70ca2 106 CYASSL_API int InitRng(RNG*);
wolfSSL 0:1239e9b70ca2 107 CYASSL_API int RNG_GenerateBlock(RNG*, byte*, word32 sz);
wolfSSL 0:1239e9b70ca2 108 CYASSL_API int RNG_GenerateByte(RNG*, byte*);
wolfSSL 0:1239e9b70ca2 109
wolfSSL 0:1239e9b70ca2 110 #ifdef NO_RC4
wolfSSL 0:1239e9b70ca2 111 CYASSL_API void FreeRng(RNG*);
wolfSSL 0:1239e9b70ca2 112 #endif
wolfSSL 0:1239e9b70ca2 113
wolfSSL 0:1239e9b70ca2 114 #ifdef __cplusplus
wolfSSL 0:1239e9b70ca2 115 } /* extern "C" */
wolfSSL 0:1239e9b70ca2 116 #endif
wolfSSL 0:1239e9b70ca2 117
wolfSSL 0:1239e9b70ca2 118 #endif /* CTAO_CRYPT_RANDOM_H */
wolfSSL 0:1239e9b70ca2 119
wolfSSL 0:1239e9b70ca2 120