Ashley Mills / cyassl-lib

This is a port of cyaSSL 2.7.0.

Dependents:   CyaSSL_DTLS_Cellular CyaSSL_DTLS_Ethernet

cyassl/ctaocrypt/random.h@1:c0ce1562443a, 2013-09-05 (annotated)

Committer:
ashleymills
Date:
Thu Sep 05 15:55:50 2013 +0000
Revision:
1:c0ce1562443a
Parent:
0:714293de3836 
Nothing;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ashleymills 0:714293de3836 1 /* random.h
ashleymills 0:714293de3836 2 *
ashleymills 0:714293de3836 3 * Copyright (C) 2006-2013 wolfSSL Inc.
ashleymills 0:714293de3836 4 *
ashleymills 0:714293de3836 5 * This file is part of CyaSSL.
ashleymills 0:714293de3836 6 *
ashleymills 0:714293de3836 7 * CyaSSL is free software; you can redistribute it and/or modify
ashleymills 0:714293de3836 8 * it under the terms of the GNU General Public License as published by
ashleymills 0:714293de3836 9 * the Free Software Foundation; either version 2 of the License, or
ashleymills 0:714293de3836 10 * (at your option) any later version.
ashleymills 0:714293de3836 11 *
ashleymills 0:714293de3836 12 * CyaSSL is distributed in the hope that it will be useful,
ashleymills 0:714293de3836 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
ashleymills 0:714293de3836 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
ashleymills 0:714293de3836 15 * GNU General Public License for more details.
ashleymills 0:714293de3836 16 *
ashleymills 0:714293de3836 17 * You should have received a copy of the GNU General Public License
ashleymills 0:714293de3836 18 * along with this program; if not, write to the Free Software
ashleymills 0:714293de3836 19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
ashleymills 0:714293de3836 20 */
ashleymills 0:714293de3836 21
ashleymills 0:714293de3836 22
ashleymills 0:714293de3836 23 #ifndef CTAO_CRYPT_RANDOM_H
ashleymills 0:714293de3836 24 #define CTAO_CRYPT_RANDOM_H
ashleymills 0:714293de3836 25
ashleymills 0:714293de3836 26 #include <cyassl/ctaocrypt/types.h>
ashleymills 0:714293de3836 27
ashleymills 0:714293de3836 28 #ifndef NO_RC4
ashleymills 0:714293de3836 29 #include <cyassl/ctaocrypt/arc4.h>
ashleymills 0:714293de3836 30 #else
ashleymills 0:714293de3836 31 #include <cyassl/ctaocrypt/sha256.h>
ashleymills 0:714293de3836 32 #endif
ashleymills 0:714293de3836 33
ashleymills 0:714293de3836 34 #ifdef __cplusplus
ashleymills 0:714293de3836 35 extern "C" {
ashleymills 0:714293de3836 36 #endif
ashleymills 0:714293de3836 37
ashleymills 0:714293de3836 38
ashleymills 0:714293de3836 39 #if defined(USE_WINDOWS_API)
ashleymills 0:714293de3836 40 #if defined(_WIN64)
ashleymills 0:714293de3836 41 typedef unsigned __int64 ProviderHandle;
ashleymills 0:714293de3836 42 /* type HCRYPTPROV, avoid #include <windows.h> */
ashleymills 0:714293de3836 43 #else
ashleymills 0:714293de3836 44 typedef unsigned long ProviderHandle;
ashleymills 0:714293de3836 45 #endif
ashleymills 0:714293de3836 46 #endif
ashleymills 0:714293de3836 47
ashleymills 0:714293de3836 48
ashleymills 0:714293de3836 49 /* OS specific seeder */
ashleymills 0:714293de3836 50 typedef struct OS_Seed {
ashleymills 0:714293de3836 51 #if defined(USE_WINDOWS_API)
ashleymills 0:714293de3836 52 ProviderHandle handle;
ashleymills 0:714293de3836 53 #else
ashleymills 0:714293de3836 54 int fd;
ashleymills 0:714293de3836 55 #endif
ashleymills 0:714293de3836 56 } OS_Seed;
ashleymills 0:714293de3836 57
ashleymills 0:714293de3836 58
ashleymills 0:714293de3836 59 CYASSL_LOCAL
ashleymills 0:714293de3836 60 int GenerateSeed(OS_Seed* os, byte* seed, word32 sz);
ashleymills 0:714293de3836 61
ashleymills 0:714293de3836 62 #if defined(CYASSL_MDK_ARM)
ashleymills 0:714293de3836 63 #undef RNG
ashleymills 0:714293de3836 64 #define RNG CyaSSL_RNG /* for avoiding name conflict in "stm32f2xx.h" */
ashleymills 0:714293de3836 65 #endif
ashleymills 0:714293de3836 66
ashleymills 0:714293de3836 67 #ifndef NO_RC4
ashleymills 0:714293de3836 68
ashleymills 0:714293de3836 69 #define CYASSL_RNG_CAVIUM_MAGIC 0xBEEF0004
ashleymills 0:714293de3836 70
ashleymills 0:714293de3836 71 /* secure Random Nnumber Generator */
ashleymills 0:714293de3836 72
ashleymills 0:714293de3836 73
ashleymills 0:714293de3836 74 typedef struct RNG {
ashleymills 0:714293de3836 75 OS_Seed seed;
ashleymills 0:714293de3836 76 Arc4 cipher;
ashleymills 0:714293de3836 77 #ifdef HAVE_CAVIUM
ashleymills 0:714293de3836 78 int devId; /* nitrox device id */
ashleymills 0:714293de3836 79 word32 magic; /* using cavium magic */
ashleymills 0:714293de3836 80 #endif
ashleymills 0:714293de3836 81 } RNG;
ashleymills 0:714293de3836 82
ashleymills 0:714293de3836 83
ashleymills 0:714293de3836 84 #ifdef HAVE_CAVIUM
ashleymills 0:714293de3836 85 CYASSL_API int InitRngCavium(RNG*, int);
ashleymills 0:714293de3836 86 #endif
ashleymills 0:714293de3836 87
ashleymills 0:714293de3836 88 #else /* NO_RC4 */
ashleymills 0:714293de3836 89
ashleymills 0:714293de3836 90 #define DBRG_SEED_LEN (440/8)
ashleymills 0:714293de3836 91
ashleymills 0:714293de3836 92
ashleymills 0:714293de3836 93 /* secure Random Nnumber Generator */
ashleymills 0:714293de3836 94 typedef struct RNG {
ashleymills 0:714293de3836 95 OS_Seed seed;
ashleymills 0:714293de3836 96
ashleymills 0:714293de3836 97 Sha256 sha;
ashleymills 0:714293de3836 98 byte digest[SHA256_DIGEST_SIZE];
ashleymills 0:714293de3836 99 byte V[DBRG_SEED_LEN];
ashleymills 0:714293de3836 100 byte C[DBRG_SEED_LEN];
ashleymills 0:714293de3836 101 word64 reseed_ctr;
ashleymills 0:714293de3836 102 } RNG;
ashleymills 0:714293de3836 103
ashleymills 0:714293de3836 104 #endif
ashleymills 0:714293de3836 105
ashleymills 0:714293de3836 106 CYASSL_API int InitRng(RNG*);
ashleymills 0:714293de3836 107 CYASSL_API void RNG_GenerateBlock(RNG*, byte*, word32 sz);
ashleymills 0:714293de3836 108 CYASSL_API byte RNG_GenerateByte(RNG*);
ashleymills 0:714293de3836 109
ashleymills 0:714293de3836 110 #ifdef NO_RC4
ashleymills 0:714293de3836 111 CYASSL_API void FreeRng(RNG*);
ashleymills 0:714293de3836 112 #endif
ashleymills 0:714293de3836 113
ashleymills 0:714293de3836 114 #ifdef __cplusplus
ashleymills 0:714293de3836 115 } /* extern "C" */
ashleymills 0:714293de3836 116 #endif
ashleymills 0:714293de3836 117
ashleymills 0:714293de3836 118 #endif /* CTAO_CRYPT_RANDOM_H */
ashleymills 0:714293de3836 119