MultiTech / CyaSSL

A library for setting up Secure Socket Layer (SSL) connections and verifying remote hosts using certificates. Contains only the source files for mbed platform implementation of the library.

Dependents:   HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL

cyassl/ctaocrypt/random.h@6:cf58d49e1a86, 2015-03-23 (annotated)

Committer:
Mike Fiore
Date:
Mon Mar 23 16:51:07 2015 -0500
Revision:
6:cf58d49e1a86
Parent:
0:b86d15c6ba29 
fix whitespace in sha512.c

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vanger 0:b86d15c6ba29 1 /* random.h
Vanger 0:b86d15c6ba29 2 *
Vanger 0:b86d15c6ba29 3 * Copyright (C) 2006-2014 wolfSSL Inc.
Vanger 0:b86d15c6ba29 4 *
Vanger 0:b86d15c6ba29 5 * This file is part of CyaSSL.
Vanger 0:b86d15c6ba29 6 *
Vanger 0:b86d15c6ba29 7 * CyaSSL is free software; you can redistribute it and/or modify
Vanger 0:b86d15c6ba29 8 * it under the terms of the GNU General Public License as published by
Vanger 0:b86d15c6ba29 9 * the Free Software Foundation; either version 2 of the License, or
Vanger 0:b86d15c6ba29 10 * (at your option) any later version.
Vanger 0:b86d15c6ba29 11 *
Vanger 0:b86d15c6ba29 12 * CyaSSL is distributed in the hope that it will be useful,
Vanger 0:b86d15c6ba29 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Vanger 0:b86d15c6ba29 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Vanger 0:b86d15c6ba29 15 * GNU General Public License for more details.
Vanger 0:b86d15c6ba29 16 *
Vanger 0:b86d15c6ba29 17 * You should have received a copy of the GNU General Public License
Vanger 0:b86d15c6ba29 18 * along with this program; if not, write to the Free Software
Vanger 0:b86d15c6ba29 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
Vanger 0:b86d15c6ba29 20 */
Vanger 0:b86d15c6ba29 21
Vanger 0:b86d15c6ba29 22
Vanger 0:b86d15c6ba29 23 #ifndef CTAO_CRYPT_RANDOM_H
Vanger 0:b86d15c6ba29 24 #define CTAO_CRYPT_RANDOM_H
Vanger 0:b86d15c6ba29 25
Vanger 0:b86d15c6ba29 26 #include <cyassl/ctaocrypt/types.h>
Vanger 0:b86d15c6ba29 27
Vanger 0:b86d15c6ba29 28 #if defined(HAVE_HASHDRBG) || defined(NO_RC4)
Vanger 0:b86d15c6ba29 29 #ifdef NO_SHA256
Vanger 0:b86d15c6ba29 30 #error "Hash DRBG requires SHA-256."
Vanger 0:b86d15c6ba29 31 #endif /* NO_SHA256 */
Vanger 0:b86d15c6ba29 32
Vanger 0:b86d15c6ba29 33 #include <cyassl/ctaocrypt/sha256.h>
Vanger 0:b86d15c6ba29 34 #else /* HAVE_HASHDRBG || NO_RC4 */
Vanger 0:b86d15c6ba29 35 #include <cyassl/ctaocrypt/arc4.h>
Vanger 0:b86d15c6ba29 36 #endif /* HAVE_HASHDRBG || NO_RC4 */
Vanger 0:b86d15c6ba29 37
Vanger 0:b86d15c6ba29 38 #ifdef __cplusplus
Vanger 0:b86d15c6ba29 39 extern "C" {
Vanger 0:b86d15c6ba29 40 #endif
Vanger 0:b86d15c6ba29 41
Vanger 0:b86d15c6ba29 42
Vanger 0:b86d15c6ba29 43 #if defined(USE_WINDOWS_API)
Vanger 0:b86d15c6ba29 44 #if defined(_WIN64)
Vanger 0:b86d15c6ba29 45 typedef unsigned __int64 ProviderHandle;
Vanger 0:b86d15c6ba29 46 /* type HCRYPTPROV, avoid #include <windows.h> */
Vanger 0:b86d15c6ba29 47 #else
Vanger 0:b86d15c6ba29 48 typedef unsigned long ProviderHandle;
Vanger 0:b86d15c6ba29 49 #endif
Vanger 0:b86d15c6ba29 50 #endif
Vanger 0:b86d15c6ba29 51
Vanger 0:b86d15c6ba29 52
Vanger 0:b86d15c6ba29 53 /* OS specific seeder */
Vanger 0:b86d15c6ba29 54 typedef struct OS_Seed {
Vanger 0:b86d15c6ba29 55 #if defined(USE_WINDOWS_API)
Vanger 0:b86d15c6ba29 56 ProviderHandle handle;
Vanger 0:b86d15c6ba29 57 #else
Vanger 0:b86d15c6ba29 58 int fd;
Vanger 0:b86d15c6ba29 59 #endif
Vanger 0:b86d15c6ba29 60 } OS_Seed;
Vanger 0:b86d15c6ba29 61
Vanger 0:b86d15c6ba29 62
Vanger 0:b86d15c6ba29 63 CYASSL_LOCAL
Vanger 0:b86d15c6ba29 64 int GenerateSeed(OS_Seed* os, byte* seed, word32 sz);
Vanger 0:b86d15c6ba29 65
Vanger 0:b86d15c6ba29 66 #if defined(CYASSL_MDK_ARM)
Vanger 0:b86d15c6ba29 67 #undef RNG
Vanger 0:b86d15c6ba29 68 #define RNG CyaSSL_RNG /* for avoiding name conflict in "stm32f2xx.h" */
Vanger 0:b86d15c6ba29 69 #endif
Vanger 0:b86d15c6ba29 70
Vanger 0:b86d15c6ba29 71
Vanger 0:b86d15c6ba29 72 #if defined(HAVE_HASHDRBG) || defined(NO_RC4)
Vanger 0:b86d15c6ba29 73
Vanger 0:b86d15c6ba29 74
Vanger 0:b86d15c6ba29 75 #define DRBG_SEED_LEN (440/8)
Vanger 0:b86d15c6ba29 76
Vanger 0:b86d15c6ba29 77
Vanger 0:b86d15c6ba29 78 struct DRBG; /* Private DRBG state */
Vanger 0:b86d15c6ba29 79
Vanger 0:b86d15c6ba29 80
Vanger 0:b86d15c6ba29 81 /* Hash-based Deterministic Random Bit Generator */
Vanger 0:b86d15c6ba29 82 typedef struct RNG {
Vanger 0:b86d15c6ba29 83 OS_Seed seed;
Vanger 0:b86d15c6ba29 84 struct DRBG* drbg;
Vanger 0:b86d15c6ba29 85 byte status;
Vanger 0:b86d15c6ba29 86 } RNG;
Vanger 0:b86d15c6ba29 87
Vanger 0:b86d15c6ba29 88
Vanger 0:b86d15c6ba29 89 #else /* HAVE_HASHDRBG || NO_RC4 */
Vanger 0:b86d15c6ba29 90
Vanger 0:b86d15c6ba29 91
Vanger 0:b86d15c6ba29 92 #define CYASSL_RNG_CAVIUM_MAGIC 0xBEEF0004
Vanger 0:b86d15c6ba29 93
Vanger 0:b86d15c6ba29 94 /* secure Random Number Generator */
Vanger 0:b86d15c6ba29 95
Vanger 0:b86d15c6ba29 96
Vanger 0:b86d15c6ba29 97 typedef struct RNG {
Vanger 0:b86d15c6ba29 98 OS_Seed seed;
Vanger 0:b86d15c6ba29 99 Arc4 cipher;
Vanger 0:b86d15c6ba29 100 #ifdef HAVE_CAVIUM
Vanger 0:b86d15c6ba29 101 int devId; /* nitrox device id */
Vanger 0:b86d15c6ba29 102 word32 magic; /* using cavium magic */
Vanger 0:b86d15c6ba29 103 #endif
Vanger 0:b86d15c6ba29 104 } RNG;
Vanger 0:b86d15c6ba29 105
Vanger 0:b86d15c6ba29 106
Vanger 0:b86d15c6ba29 107 #ifdef HAVE_CAVIUM
Vanger 0:b86d15c6ba29 108 CYASSL_API int InitRngCavium(RNG*, int);
Vanger 0:b86d15c6ba29 109 #endif
Vanger 0:b86d15c6ba29 110
Vanger 0:b86d15c6ba29 111
Vanger 0:b86d15c6ba29 112 #endif /* HAVE_HASH_DRBG || NO_RC4 */
Vanger 0:b86d15c6ba29 113
Vanger 0:b86d15c6ba29 114
Vanger 0:b86d15c6ba29 115 CYASSL_API int InitRng(RNG*);
Vanger 0:b86d15c6ba29 116 CYASSL_API int RNG_GenerateBlock(RNG*, byte*, word32 sz);
Vanger 0:b86d15c6ba29 117 CYASSL_API int RNG_GenerateByte(RNG*, byte*);
Vanger 0:b86d15c6ba29 118
Vanger 0:b86d15c6ba29 119
Vanger 0:b86d15c6ba29 120 #if defined(HAVE_HASHDRBG) || defined(NO_RC4)
Vanger 0:b86d15c6ba29 121 CYASSL_API int FreeRng(RNG*);
Vanger 0:b86d15c6ba29 122 CYASSL_API int RNG_HealthTest(int reseed,
Vanger 0:b86d15c6ba29 123 const byte* entropyA, word32 entropyASz,
Vanger 0:b86d15c6ba29 124 const byte* entropyB, word32 entropyBSz,
Vanger 0:b86d15c6ba29 125 byte* output, word32 outputSz);
Vanger 0:b86d15c6ba29 126 #endif /* HAVE_HASHDRBG || NO_RC4 */
Vanger 0:b86d15c6ba29 127
Vanger 0:b86d15c6ba29 128
Vanger 0:b86d15c6ba29 129 #ifdef HAVE_FIPS
Vanger 0:b86d15c6ba29 130 /* fips wrapper calls, user can call direct */
Vanger 0:b86d15c6ba29 131 CYASSL_API int InitRng_fips(RNG* rng);
Vanger 0:b86d15c6ba29 132 CYASSL_API int FreeRng_fips(RNG* rng);
Vanger 0:b86d15c6ba29 133 CYASSL_API int RNG_GenerateBlock_fips(RNG* rng, byte* buf, word32 bufSz);
Vanger 0:b86d15c6ba29 134 CYASSL_API int RNG_HealthTest_fips(int reseed,
Vanger 0:b86d15c6ba29 135 const byte* entropyA, word32 entropyASz,
Vanger 0:b86d15c6ba29 136 const byte* entropyB, word32 entropyBSz,
Vanger 0:b86d15c6ba29 137 byte* output, word32 outputSz);
Vanger 0:b86d15c6ba29 138 #ifndef FIPS_NO_WRAPPERS
Vanger 0:b86d15c6ba29 139 /* if not impl or fips.c impl wrapper force fips calls if fips build */
Vanger 0:b86d15c6ba29 140 #define InitRng InitRng_fips
Vanger 0:b86d15c6ba29 141 #define FreeRng FreeRng_fips
Vanger 0:b86d15c6ba29 142 #define RNG_GenerateBlock RNG_GenerateBlock_fips
Vanger 0:b86d15c6ba29 143 #define RNG_HealthTest RNG_HealthTest_fips
Vanger 0:b86d15c6ba29 144 #endif /* FIPS_NO_WRAPPERS */
Vanger 0:b86d15c6ba29 145 #endif /* HAVE_FIPS */
Vanger 0:b86d15c6ba29 146
Vanger 0:b86d15c6ba29 147
Vanger 0:b86d15c6ba29 148 #ifdef __cplusplus
Vanger 0:b86d15c6ba29 149 } /* extern "C" */
Vanger 0:b86d15c6ba29 150 #endif
Vanger 0:b86d15c6ba29 151
Vanger 0:b86d15c6ba29 152 #endif /* CTAO_CRYPT_RANDOM_H */
Vanger 0:b86d15c6ba29 153