[457] | 1 | /* sha256.c
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| 2 | *
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| 3 | * Copyright (C) 2006-2020 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL.
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| 6 | *
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| 7 | * wolfSSL is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * wolfSSL is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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| 20 | */
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| 21 |
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| 22 | #ifdef HAVE_CONFIG_H
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| 23 | #include <config.h>
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| 24 | #endif
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| 25 |
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| 26 | #include <wolfssl/wolfcrypt/settings.h>
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| 27 |
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| 28 | /*
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| 29 | * SHA256 Build Options:
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| 30 | * USE_SLOW_SHA256: Reduces code size by not partially unrolling
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| 31 | (~2KB smaller and ~25% slower) (default OFF)
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| 32 | * WOLFSSL_SHA256_BY_SPEC: Uses the Ch/Maj based on SHA256 specification
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| 33 | (default ON)
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| 34 | * WOLFSSL_SHA256_ALT_CH_MAJ: Alternate Ch/Maj that is easier for compilers to
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| 35 | optimize and recognize as SHA256 (default OFF)
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| 36 | * SHA256_MANY_REGISTERS: A SHA256 version that keeps all data in registers
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| 37 | and partial unrolled (default OFF)
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| 38 | */
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| 39 |
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| 40 | /* Default SHA256 to use Ch/Maj based on specification */
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| 41 | #if !defined(WOLFSSL_SHA256_BY_SPEC) && !defined(WOLFSSL_SHA256_ALT_CH_MAJ)
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| 42 | #define WOLFSSL_SHA256_BY_SPEC
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| 43 | #endif
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| 44 |
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| 45 |
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| 46 | #if !defined(NO_SHA256) && !defined(WOLFSSL_ARMASM)
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| 47 |
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| 48 | #if defined(HAVE_FIPS) && \
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| 49 | defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
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| 50 |
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| 51 | /* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
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| 52 | #define FIPS_NO_WRAPPERS
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| 53 |
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| 54 | #ifdef USE_WINDOWS_API
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| 55 | #pragma code_seg(".fipsA$d")
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| 56 | #pragma const_seg(".fipsB$d")
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| 57 | #endif
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| 58 | #endif
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| 59 |
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| 60 | #include <wolfssl/wolfcrypt/sha256.h>
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| 61 | #include <wolfssl/wolfcrypt/error-crypt.h>
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| 62 | #include <wolfssl/wolfcrypt/cpuid.h>
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| 63 | #include <wolfssl/wolfcrypt/hash.h>
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| 64 |
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| 65 | #ifdef WOLF_CRYPTO_CB
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| 66 | #include <wolfssl/wolfcrypt/cryptocb.h>
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| 67 | #endif
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| 68 |
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| 69 | /* fips wrapper calls, user can call direct */
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| 70 | #if defined(HAVE_FIPS) && \
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| 71 | (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
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| 72 |
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| 73 | int wc_InitSha256(wc_Sha256* sha)
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| 74 | {
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| 75 | if (sha == NULL) {
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| 76 | return BAD_FUNC_ARG;
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| 77 | }
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| 78 | return InitSha256_fips(sha);
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| 79 | }
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| 80 | int wc_InitSha256_ex(wc_Sha256* sha, void* heap, int devId)
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| 81 | {
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| 82 | (void)heap;
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| 83 | (void)devId;
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| 84 | if (sha == NULL) {
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| 85 | return BAD_FUNC_ARG;
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| 86 | }
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| 87 | return InitSha256_fips(sha);
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| 88 | }
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| 89 | int wc_Sha256Update(wc_Sha256* sha, const byte* data, word32 len)
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| 90 | {
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| 91 | if (sha == NULL || (data == NULL && len > 0)) {
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| 92 | return BAD_FUNC_ARG;
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| 93 | }
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| 94 |
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| 95 | if (data == NULL && len == 0) {
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| 96 | /* valid, but do nothing */
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| 97 | return 0;
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| 98 | }
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| 99 |
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| 100 | return Sha256Update_fips(sha, data, len);
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| 101 | }
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| 102 | int wc_Sha256Final(wc_Sha256* sha, byte* out)
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| 103 | {
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| 104 | if (sha == NULL || out == NULL) {
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| 105 | return BAD_FUNC_ARG;
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| 106 | }
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| 107 | return Sha256Final_fips(sha, out);
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| 108 | }
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| 109 | void wc_Sha256Free(wc_Sha256* sha)
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| 110 | {
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| 111 | (void)sha;
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| 112 | /* Not supported in FIPS */
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| 113 | }
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| 114 |
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| 115 | #else /* else build without fips, or for FIPS v2 */
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| 116 |
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| 117 |
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| 118 | #if defined(WOLFSSL_TI_HASH)
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| 119 | /* #include <wolfcrypt/src/port/ti/ti-hash.c> included by wc_port.c */
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| 120 | #elif defined(WOLFSSL_CRYPTOCELL)
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| 121 | /* wc_port.c includes wolfcrypt/src/port/arm/cryptoCellHash.c */
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| 122 | #else
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| 123 |
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| 124 | #include <wolfssl/wolfcrypt/logging.h>
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| 125 |
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| 126 | #ifdef NO_INLINE
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| 127 | #include <wolfssl/wolfcrypt/misc.h>
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| 128 | #else
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| 129 | #define WOLFSSL_MISC_INCLUDED
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| 130 | #include <wolfcrypt/src/misc.c>
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| 131 | #endif
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| 132 |
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| 133 | #ifdef WOLFSSL_DEVCRYPTO_HASH
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| 134 | #include <wolfssl/wolfcrypt/port/devcrypto/wc_devcrypto.h>
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| 135 | #endif
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| 136 |
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| 137 |
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| 138 |
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| 139 | #if defined(USE_INTEL_SPEEDUP)
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| 140 | #if defined(__GNUC__) && ((__GNUC__ < 4) || \
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| 141 | (__GNUC__ == 4 && __GNUC_MINOR__ <= 8))
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| 142 | #undef NO_AVX2_SUPPORT
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| 143 | #define NO_AVX2_SUPPORT
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| 144 | #endif
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| 145 | #if defined(__clang__) && ((__clang_major__ < 3) || \
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| 146 | (__clang_major__ == 3 && __clang_minor__ <= 5))
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| 147 | #define NO_AVX2_SUPPORT
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| 148 | #elif defined(__clang__) && defined(NO_AVX2_SUPPORT)
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| 149 | #undef NO_AVX2_SUPPORT
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| 150 | #endif
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| 151 |
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| 152 | #define HAVE_INTEL_AVX1
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| 153 | #ifndef NO_AVX2_SUPPORT
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| 154 | #define HAVE_INTEL_AVX2
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| 155 | #endif
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| 156 | #endif /* USE_INTEL_SPEEDUP */
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| 157 |
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| 158 | #if defined(HAVE_INTEL_AVX2)
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| 159 | #define HAVE_INTEL_RORX
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| 160 | #endif
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| 161 |
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| 162 |
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| 163 | #if !defined(WOLFSSL_PIC32MZ_HASH) && !defined(STM32_HASH_SHA2) && \
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| 164 | (!defined(WOLFSSL_IMX6_CAAM) || defined(NO_IMX6_CAAM_HASH)) && \
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| 165 | !defined(WOLFSSL_AFALG_HASH) && !defined(WOLFSSL_DEVCRYPTO_HASH) && \
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| 166 | (!defined(WOLFSSL_ESP32WROOM32_CRYPT) || defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)) && \
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| 167 | (!defined(WOLFSSL_RENESAS_TSIP_CRYPT) || defined(NO_WOLFSSL_RENESAS_TSIP_HASH))
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| 168 |
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| 169 | static int InitSha256(wc_Sha256* sha256)
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| 170 | {
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| 171 | int ret = 0;
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| 172 |
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| 173 | if (sha256 == NULL)
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| 174 | return BAD_FUNC_ARG;
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| 175 |
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| 176 | XMEMSET(sha256->digest, 0, sizeof(sha256->digest));
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| 177 | sha256->digest[0] = 0x6A09E667L;
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| 178 | sha256->digest[1] = 0xBB67AE85L;
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| 179 | sha256->digest[2] = 0x3C6EF372L;
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| 180 | sha256->digest[3] = 0xA54FF53AL;
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| 181 | sha256->digest[4] = 0x510E527FL;
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| 182 | sha256->digest[5] = 0x9B05688CL;
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| 183 | sha256->digest[6] = 0x1F83D9ABL;
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| 184 | sha256->digest[7] = 0x5BE0CD19L;
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| 185 |
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| 186 | sha256->buffLen = 0;
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| 187 | sha256->loLen = 0;
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| 188 | sha256->hiLen = 0;
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| 189 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
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| 190 | sha256->flags = 0;
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| 191 | #endif
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| 192 |
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| 193 | return ret;
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| 194 | }
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| 195 | #endif
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| 196 |
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| 197 |
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| 198 | /* Hardware Acceleration */
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| 199 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
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| 200 |
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| 201 | /* in case intel instructions aren't available, plus we need the K[] global */
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| 202 | #define NEED_SOFT_SHA256
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| 203 |
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| 204 | /*****
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| 205 | Intel AVX1/AVX2 Macro Control Structure
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| 206 |
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| 207 | #define HAVE_INTEL_AVX1
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| 208 | #define HAVE_INTEL_AVX2
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| 209 |
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| 210 | #define HAVE_INTEL_RORX
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| 211 |
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| 212 |
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| 213 | int InitSha256(wc_Sha256* sha256) {
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| 214 | Save/Recover XMM, YMM
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| 215 | ...
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| 216 | }
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| 217 |
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| 218 | #if defined(HAVE_INTEL_AVX1)|| defined(HAVE_INTEL_AVX2)
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| 219 | Transform_Sha256(); Function prototype
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| 220 | #else
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| 221 | Transform_Sha256() { }
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| 222 | int Sha256Final() {
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| 223 | Save/Recover XMM, YMM
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| 224 | ...
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| 225 | }
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| 226 | #endif
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| 227 |
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| 228 | #if defined(HAVE_INTEL_AVX1)|| defined(HAVE_INTEL_AVX2)
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| 229 | #if defined(HAVE_INTEL_RORX
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| 230 | #define RND with rorx instruction
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| 231 | #else
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| 232 | #define RND
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| 233 | #endif
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| 234 | #endif
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| 235 |
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| 236 | #if defined(HAVE_INTEL_AVX1)
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| 237 |
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| 238 | #define XMM Instructions/inline asm
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| 239 |
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| 240 | int Transform_Sha256() {
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| 241 | Stitched Message Sched/Round
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| 242 | }
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| 243 |
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| 244 | #elif defined(HAVE_INTEL_AVX2)
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| 245 |
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| 246 | #define YMM Instructions/inline asm
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| 247 |
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| 248 | int Transform_Sha256() {
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| 249 | More granular Stitched Message Sched/Round
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| 250 | }
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| 251 |
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| 252 | #endif
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| 253 |
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| 254 | */
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| 255 |
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| 256 | /* Each platform needs to query info type 1 from cpuid to see if aesni is
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| 257 | * supported. Also, let's setup a macro for proper linkage w/o ABI conflicts
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| 258 | */
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| 259 |
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| 260 | /* #if defined(HAVE_INTEL_AVX1/2) at the tail of sha256 */
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| 261 | static int Transform_Sha256(wc_Sha256* sha256, const byte* data);
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| 262 |
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| 263 | #ifdef __cplusplus
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| 264 | extern "C" {
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| 265 | #endif
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| 266 |
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| 267 | #if defined(HAVE_INTEL_AVX1)
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| 268 | extern int Transform_Sha256_AVX1(wc_Sha256 *sha256, const byte* data);
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| 269 | extern int Transform_Sha256_AVX1_Len(wc_Sha256* sha256,
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| 270 | const byte* data, word32 len);
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| 271 | #endif
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| 272 | #if defined(HAVE_INTEL_AVX2)
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| 273 | extern int Transform_Sha256_AVX2(wc_Sha256 *sha256, const byte* data);
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| 274 | extern int Transform_Sha256_AVX2_Len(wc_Sha256* sha256,
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| 275 | const byte* data, word32 len);
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| 276 | #ifdef HAVE_INTEL_RORX
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| 277 | extern int Transform_Sha256_AVX1_RORX(wc_Sha256 *sha256, const byte* data);
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| 278 | extern int Transform_Sha256_AVX1_RORX_Len(wc_Sha256* sha256,
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| 279 | const byte* data, word32 len);
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| 280 | extern int Transform_Sha256_AVX2_RORX(wc_Sha256 *sha256, const byte* data);
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| 281 | extern int Transform_Sha256_AVX2_RORX_Len(wc_Sha256* sha256,
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| 282 | const byte* data, word32 len);
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| 283 | #endif /* HAVE_INTEL_RORX */
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| 284 | #endif /* HAVE_INTEL_AVX2 */
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| 285 |
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| 286 | #ifdef __cplusplus
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| 287 | } /* extern "C" */
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| 288 | #endif
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| 289 |
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| 290 | static int (*Transform_Sha256_p)(wc_Sha256* sha256, const byte* data);
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| 291 | /* = _Transform_Sha256 */
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| 292 | static int (*Transform_Sha256_Len_p)(wc_Sha256* sha256, const byte* data,
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| 293 | word32 len);
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| 294 | /* = NULL */
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| 295 | static int transform_check = 0;
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| 296 | static word32 intel_flags;
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| 297 |
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| 298 | #define XTRANSFORM(S, D) (*Transform_Sha256_p)((S),(D))
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| 299 | #define XTRANSFORM_LEN(S, D, L) (*Transform_Sha256_Len_p)((S),(D),(L))
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| 300 |
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| 301 | static void Sha256_SetTransform(void)
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| 302 | {
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| 303 |
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| 304 | if (transform_check)
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| 305 | return;
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| 306 |
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| 307 | intel_flags = cpuid_get_flags();
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| 308 |
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| 309 | #ifdef HAVE_INTEL_AVX2
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| 310 | if (1 && IS_INTEL_AVX2(intel_flags)) {
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| 311 | #ifdef HAVE_INTEL_RORX
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| 312 | if (IS_INTEL_BMI2(intel_flags)) {
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| 313 | Transform_Sha256_p = Transform_Sha256_AVX2_RORX;
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| 314 | Transform_Sha256_Len_p = Transform_Sha256_AVX2_RORX_Len;
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| 315 | }
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| 316 | else
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| 317 | #endif
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| 318 | if (1)
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| 319 | {
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| 320 | Transform_Sha256_p = Transform_Sha256_AVX2;
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| 321 | Transform_Sha256_Len_p = Transform_Sha256_AVX2_Len;
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| 322 | }
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| 323 | #ifdef HAVE_INTEL_RORX
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| 324 | else {
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| 325 | Transform_Sha256_p = Transform_Sha256_AVX1_RORX;
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| 326 | Transform_Sha256_Len_p = Transform_Sha256_AVX1_RORX_Len;
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| 327 | }
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| 328 | #endif
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| 329 | }
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| 330 | else
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| 331 | #endif
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| 332 | #ifdef HAVE_INTEL_AVX1
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| 333 | if (IS_INTEL_AVX1(intel_flags)) {
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| 334 | Transform_Sha256_p = Transform_Sha256_AVX1;
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| 335 | Transform_Sha256_Len_p = Transform_Sha256_AVX1_Len;
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| 336 | }
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| 337 | else
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| 338 | #endif
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| 339 | {
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| 340 | Transform_Sha256_p = Transform_Sha256;
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| 341 | Transform_Sha256_Len_p = NULL;
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| 342 | }
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| 343 |
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| 344 | transform_check = 1;
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| 345 | }
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| 346 |
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| 347 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
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| 348 | {
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| 349 | int ret = 0;
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| 350 | if (sha256 == NULL)
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| 351 | return BAD_FUNC_ARG;
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| 352 |
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| 353 | sha256->heap = heap;
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| 354 | #ifdef WOLF_CRYPTO_CB
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| 355 | sha256->devId = devId;
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| 356 | #endif
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| 357 |
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| 358 | ret = InitSha256(sha256);
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| 359 | if (ret != 0)
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| 360 | return ret;
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| 361 |
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| 362 | /* choose best Transform function under this runtime environment */
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| 363 | Sha256_SetTransform();
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| 364 |
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| 365 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA256)
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| 366 | ret = wolfAsync_DevCtxInit(&sha256->asyncDev,
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| 367 | WOLFSSL_ASYNC_MARKER_SHA256, sha256->heap, devId);
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| 368 | #else
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| 369 | (void)devId;
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| 370 | #endif /* WOLFSSL_ASYNC_CRYPT */
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| 371 |
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| 372 | return ret;
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| 373 | }
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| 374 |
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| 375 | #elif defined(FREESCALE_LTC_SHA)
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| 376 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
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| 377 | {
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| 378 | (void)heap;
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| 379 | (void)devId;
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| 380 |
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| 381 | LTC_HASH_Init(LTC_BASE, &sha256->ctx, kLTC_Sha256, NULL, 0);
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| 382 |
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| 383 | return 0;
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| 384 | }
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| 385 |
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| 386 | #elif defined(FREESCALE_MMCAU_SHA)
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| 387 |
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| 388 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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| 389 | #include "cau_api.h"
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| 390 | #else
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| 391 | #include "fsl_mmcau.h"
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| 392 | #endif
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| 393 |
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| 394 | #define XTRANSFORM(S, D) Transform_Sha256((S),(D))
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| 395 | #define XTRANSFORM_LEN(S, D, L) Transform_Sha256_Len((S),(D),(L))
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| 396 |
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| 397 | #ifndef WC_HASH_DATA_ALIGNMENT
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| 398 | /* these hardware API's require 4 byte (word32) alignment */
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| 399 | #define WC_HASH_DATA_ALIGNMENT 4
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| 400 | #endif
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| 401 |
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| 402 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
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| 403 | {
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| 404 | int ret = 0;
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| 405 |
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| 406 | (void)heap;
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| 407 | (void)devId;
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| 408 |
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| 409 | ret = wolfSSL_CryptHwMutexLock();
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| 410 | if (ret != 0) {
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| 411 | return ret;
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| 412 | }
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| 413 |
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| 414 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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| 415 | cau_sha256_initialize_output(sha256->digest);
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| 416 | #else
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| 417 | MMCAU_SHA256_InitializeOutput((uint32_t*)sha256->digest);
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| 418 | #endif
|
---|
| 419 | wolfSSL_CryptHwMutexUnLock();
|
---|
| 420 |
|
---|
| 421 | sha256->buffLen = 0;
|
---|
| 422 | sha256->loLen = 0;
|
---|
| 423 | sha256->hiLen = 0;
|
---|
| 424 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
| 425 | sha256->W = NULL;
|
---|
| 426 | #endif
|
---|
| 427 |
|
---|
| 428 | return ret;
|
---|
| 429 | }
|
---|
| 430 |
|
---|
| 431 | static int Transform_Sha256(wc_Sha256* sha256, const byte* data)
|
---|
| 432 | {
|
---|
| 433 | int ret = wolfSSL_CryptHwMutexLock();
|
---|
| 434 | if (ret == 0) {
|
---|
| 435 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
|
---|
| 436 | cau_sha256_hash_n((byte*)data, 1, sha256->digest);
|
---|
| 437 | #else
|
---|
| 438 | MMCAU_SHA256_HashN((byte*)data, 1, sha256->digest);
|
---|
| 439 | #endif
|
---|
| 440 | wolfSSL_CryptHwMutexUnLock();
|
---|
| 441 | }
|
---|
| 442 | return ret;
|
---|
| 443 | }
|
---|
| 444 |
|
---|
| 445 | static int Transform_Sha256_Len(wc_Sha256* sha256, const byte* data,
|
---|
| 446 | word32 len)
|
---|
| 447 | {
|
---|
| 448 | int ret = wolfSSL_CryptHwMutexLock();
|
---|
| 449 | if (ret == 0) {
|
---|
| 450 | #if defined(WC_HASH_DATA_ALIGNMENT) && WC_HASH_DATA_ALIGNMENT > 0
|
---|
| 451 | if ((size_t)data % WC_HASH_DATA_ALIGNMENT) {
|
---|
| 452 | /* data pointer is NOT aligned,
|
---|
| 453 | * so copy and perform one block at a time */
|
---|
| 454 | byte* local = (byte*)sha256->buffer;
|
---|
| 455 | while (len >= WC_SHA256_BLOCK_SIZE) {
|
---|
| 456 | XMEMCPY(local, data, WC_SHA256_BLOCK_SIZE);
|
---|
| 457 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
|
---|
| 458 | cau_sha256_hash_n(local, 1, sha256->digest);
|
---|
| 459 | #else
|
---|
| 460 | MMCAU_SHA256_HashN(local, 1, sha256->digest);
|
---|
| 461 | #endif
|
---|
| 462 | data += WC_SHA256_BLOCK_SIZE;
|
---|
| 463 | len -= WC_SHA256_BLOCK_SIZE;
|
---|
| 464 | }
|
---|
| 465 | }
|
---|
| 466 | else
|
---|
| 467 | #endif
|
---|
| 468 | {
|
---|
| 469 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
|
---|
| 470 | cau_sha256_hash_n((byte*)data, len/WC_SHA256_BLOCK_SIZE,
|
---|
| 471 | sha256->digest);
|
---|
| 472 | #else
|
---|
| 473 | MMCAU_SHA256_HashN((byte*)data, len/WC_SHA256_BLOCK_SIZE,
|
---|
| 474 | sha256->digest);
|
---|
| 475 | #endif
|
---|
| 476 | }
|
---|
| 477 | wolfSSL_CryptHwMutexUnLock();
|
---|
| 478 | }
|
---|
| 479 | return ret;
|
---|
| 480 | }
|
---|
| 481 |
|
---|
| 482 | #elif defined(WOLFSSL_PIC32MZ_HASH)
|
---|
| 483 | #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
|
---|
| 484 |
|
---|
| 485 | #elif defined(STM32_HASH_SHA2)
|
---|
| 486 |
|
---|
| 487 | /* Supports CubeMX HAL or Standard Peripheral Library */
|
---|
| 488 |
|
---|
| 489 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
|
---|
| 490 | {
|
---|
| 491 | if (sha256 == NULL)
|
---|
| 492 | return BAD_FUNC_ARG;
|
---|
| 493 |
|
---|
| 494 | (void)devId;
|
---|
| 495 | (void)heap;
|
---|
| 496 |
|
---|
| 497 | wc_Stm32_Hash_Init(&sha256->stmCtx);
|
---|
| 498 | return 0;
|
---|
| 499 | }
|
---|
| 500 |
|
---|
| 501 | int wc_Sha256Update(wc_Sha256* sha256, const byte* data, word32 len)
|
---|
| 502 | {
|
---|
| 503 | int ret = 0;
|
---|
| 504 |
|
---|
| 505 | if (sha256 == NULL || (data == NULL && len > 0)) {
|
---|
| 506 | return BAD_FUNC_ARG;
|
---|
| 507 | }
|
---|
| 508 |
|
---|
| 509 | ret = wolfSSL_CryptHwMutexLock();
|
---|
| 510 | if (ret == 0) {
|
---|
| 511 | ret = wc_Stm32_Hash_Update(&sha256->stmCtx,
|
---|
| 512 | HASH_AlgoSelection_SHA256, data, len);
|
---|
| 513 | wolfSSL_CryptHwMutexUnLock();
|
---|
| 514 | }
|
---|
| 515 | return ret;
|
---|
| 516 | }
|
---|
| 517 |
|
---|
| 518 | int wc_Sha256Final(wc_Sha256* sha256, byte* hash)
|
---|
| 519 | {
|
---|
| 520 | int ret = 0;
|
---|
| 521 |
|
---|
| 522 | if (sha256 == NULL || hash == NULL) {
|
---|
| 523 | return BAD_FUNC_ARG;
|
---|
| 524 | }
|
---|
| 525 |
|
---|
| 526 | ret = wolfSSL_CryptHwMutexLock();
|
---|
| 527 | if (ret == 0) {
|
---|
| 528 | ret = wc_Stm32_Hash_Final(&sha256->stmCtx,
|
---|
| 529 | HASH_AlgoSelection_SHA256, hash, WC_SHA256_DIGEST_SIZE);
|
---|
| 530 | wolfSSL_CryptHwMutexUnLock();
|
---|
| 531 | }
|
---|
| 532 |
|
---|
| 533 | (void)wc_InitSha256(sha256); /* reset state */
|
---|
| 534 |
|
---|
| 535 | return ret;
|
---|
| 536 | }
|
---|
| 537 |
|
---|
| 538 | #elif defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
|
---|
| 539 | /* functions defined in wolfcrypt/src/port/caam/caam_sha256.c */
|
---|
| 540 |
|
---|
| 541 | #elif defined(WOLFSSL_AFALG_HASH)
|
---|
| 542 | /* implemented in wolfcrypt/src/port/af_alg/afalg_hash.c */
|
---|
| 543 |
|
---|
| 544 | #elif defined(WOLFSSL_DEVCRYPTO_HASH)
|
---|
| 545 | /* implemented in wolfcrypt/src/port/devcrypto/devcrypt_hash.c */
|
---|
| 546 |
|
---|
| 547 | #elif defined(WOLFSSL_SCE) && !defined(WOLFSSL_SCE_NO_HASH)
|
---|
| 548 | #include "hal_data.h"
|
---|
| 549 |
|
---|
| 550 | #ifndef WOLFSSL_SCE_SHA256_HANDLE
|
---|
| 551 | #define WOLFSSL_SCE_SHA256_HANDLE g_sce_hash_0
|
---|
| 552 | #endif
|
---|
| 553 |
|
---|
| 554 | #define WC_SHA256_DIGEST_WORD_SIZE 16
|
---|
| 555 | #define XTRANSFORM(S, D) wc_Sha256SCE_XTRANSFORM((S), (D))
|
---|
| 556 | static int wc_Sha256SCE_XTRANSFORM(wc_Sha256* sha256, const byte* data)
|
---|
| 557 | {
|
---|
| 558 | if (WOLFSSL_SCE_GSCE_HANDLE.p_cfg->endian_flag ==
|
---|
| 559 | CRYPTO_WORD_ENDIAN_LITTLE)
|
---|
| 560 | {
|
---|
| 561 | ByteReverseWords((word32*)data, (word32*)data,
|
---|
| 562 | WC_SHA256_BLOCK_SIZE);
|
---|
| 563 | ByteReverseWords(sha256->digest, sha256->digest,
|
---|
| 564 | WC_SHA256_DIGEST_SIZE);
|
---|
| 565 | }
|
---|
| 566 |
|
---|
| 567 | if (WOLFSSL_SCE_SHA256_HANDLE.p_api->hashUpdate(
|
---|
| 568 | WOLFSSL_SCE_SHA256_HANDLE.p_ctrl, (word32*)data,
|
---|
| 569 | WC_SHA256_DIGEST_WORD_SIZE, sha256->digest) != SSP_SUCCESS){
|
---|
| 570 | WOLFSSL_MSG("Unexpected hardware return value");
|
---|
| 571 | return WC_HW_E;
|
---|
| 572 | }
|
---|
| 573 |
|
---|
| 574 | if (WOLFSSL_SCE_GSCE_HANDLE.p_cfg->endian_flag ==
|
---|
| 575 | CRYPTO_WORD_ENDIAN_LITTLE)
|
---|
| 576 | {
|
---|
| 577 | ByteReverseWords((word32*)data, (word32*)data,
|
---|
| 578 | WC_SHA256_BLOCK_SIZE);
|
---|
| 579 | ByteReverseWords(sha256->digest, sha256->digest,
|
---|
| 580 | WC_SHA256_DIGEST_SIZE);
|
---|
| 581 | }
|
---|
| 582 |
|
---|
| 583 | return 0;
|
---|
| 584 | }
|
---|
| 585 |
|
---|
| 586 |
|
---|
| 587 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
|
---|
| 588 | {
|
---|
| 589 | int ret = 0;
|
---|
| 590 | if (sha256 == NULL)
|
---|
| 591 | return BAD_FUNC_ARG;
|
---|
| 592 |
|
---|
| 593 | sha256->heap = heap;
|
---|
| 594 |
|
---|
| 595 | ret = InitSha256(sha256);
|
---|
| 596 | if (ret != 0)
|
---|
| 597 | return ret;
|
---|
| 598 |
|
---|
| 599 | (void)devId;
|
---|
| 600 |
|
---|
| 601 | return ret;
|
---|
| 602 | }
|
---|
| 603 |
|
---|
| 604 | #elif defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 605 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 606 |
|
---|
| 607 | #define NEED_SOFT_SHA256
|
---|
| 608 |
|
---|
| 609 | static int InitSha256(wc_Sha256* sha256)
|
---|
| 610 | {
|
---|
| 611 | int ret = 0;
|
---|
| 612 |
|
---|
| 613 | if (sha256 == NULL)
|
---|
| 614 | return BAD_FUNC_ARG;
|
---|
| 615 |
|
---|
| 616 | XMEMSET(sha256->digest, 0, sizeof(sha256->digest));
|
---|
| 617 | sha256->digest[0] = 0x6A09E667L;
|
---|
| 618 | sha256->digest[1] = 0xBB67AE85L;
|
---|
| 619 | sha256->digest[2] = 0x3C6EF372L;
|
---|
| 620 | sha256->digest[3] = 0xA54FF53AL;
|
---|
| 621 | sha256->digest[4] = 0x510E527FL;
|
---|
| 622 | sha256->digest[5] = 0x9B05688CL;
|
---|
| 623 | sha256->digest[6] = 0x1F83D9ABL;
|
---|
| 624 | sha256->digest[7] = 0x5BE0CD19L;
|
---|
| 625 |
|
---|
| 626 | sha256->buffLen = 0;
|
---|
| 627 | sha256->loLen = 0;
|
---|
| 628 | sha256->hiLen = 0;
|
---|
| 629 |
|
---|
| 630 | /* always start firstblock = 1 when using hw engine */
|
---|
| 631 | sha256->ctx.isfirstblock = 1;
|
---|
| 632 | sha256->ctx.sha_type = SHA2_256;
|
---|
| 633 | if(sha256->ctx.mode == ESP32_SHA_HW) {
|
---|
| 634 | /* release hw */
|
---|
| 635 | esp_sha_hw_unlock();
|
---|
| 636 | }
|
---|
| 637 | /* always set mode as INIT
|
---|
| 638 | * whether using HW or SW is determined at first call of update()
|
---|
| 639 | */
|
---|
| 640 | sha256->ctx.mode = ESP32_SHA_INIT;
|
---|
| 641 |
|
---|
| 642 | return ret;
|
---|
| 643 | }
|
---|
| 644 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
|
---|
| 645 | {
|
---|
| 646 | int ret = 0;
|
---|
| 647 |
|
---|
| 648 | if (sha256 == NULL)
|
---|
| 649 | return BAD_FUNC_ARG;
|
---|
| 650 |
|
---|
| 651 | XMEMSET(sha256, 0, sizeof(wc_Sha256));
|
---|
| 652 | sha256->ctx.mode = ESP32_SHA_INIT;
|
---|
| 653 | sha256->ctx.isfirstblock = 1;
|
---|
| 654 | (void)devId;
|
---|
| 655 |
|
---|
| 656 | ret = InitSha256(sha256);
|
---|
| 657 |
|
---|
| 658 | return ret;
|
---|
| 659 | }
|
---|
| 660 |
|
---|
| 661 | #elif defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \
|
---|
| 662 | !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH)
|
---|
| 663 |
|
---|
| 664 | /* implemented in wolfcrypt/src/port/Renesas/renesas_tsip_sha.c */
|
---|
| 665 |
|
---|
| 666 | #else
|
---|
| 667 | #define NEED_SOFT_SHA256
|
---|
| 668 |
|
---|
| 669 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
|
---|
| 670 | {
|
---|
| 671 | int ret = 0;
|
---|
| 672 | if (sha256 == NULL)
|
---|
| 673 | return BAD_FUNC_ARG;
|
---|
| 674 |
|
---|
| 675 | sha256->heap = heap;
|
---|
| 676 | #ifdef WOLF_CRYPTO_CB
|
---|
| 677 | sha256->devId = devId;
|
---|
| 678 | sha256->devCtx = NULL;
|
---|
| 679 | #endif
|
---|
| 680 |
|
---|
| 681 | ret = InitSha256(sha256);
|
---|
| 682 | if (ret != 0)
|
---|
| 683 | return ret;
|
---|
| 684 |
|
---|
| 685 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
| 686 | sha256->W = NULL;
|
---|
| 687 | #endif
|
---|
| 688 |
|
---|
| 689 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA256)
|
---|
| 690 | ret = wolfAsync_DevCtxInit(&sha256->asyncDev,
|
---|
| 691 | WOLFSSL_ASYNC_MARKER_SHA256, sha256->heap, devId);
|
---|
| 692 | #else
|
---|
| 693 | (void)devId;
|
---|
| 694 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 695 |
|
---|
| 696 | return ret;
|
---|
| 697 | }
|
---|
| 698 | #endif /* End Hardware Acceleration */
|
---|
| 699 |
|
---|
| 700 | #ifdef NEED_SOFT_SHA256
|
---|
| 701 |
|
---|
| 702 | static const ALIGN32 word32 K[64] = {
|
---|
| 703 | 0x428A2F98L, 0x71374491L, 0xB5C0FBCFL, 0xE9B5DBA5L, 0x3956C25BL,
|
---|
| 704 | 0x59F111F1L, 0x923F82A4L, 0xAB1C5ED5L, 0xD807AA98L, 0x12835B01L,
|
---|
| 705 | 0x243185BEL, 0x550C7DC3L, 0x72BE5D74L, 0x80DEB1FEL, 0x9BDC06A7L,
|
---|
| 706 | 0xC19BF174L, 0xE49B69C1L, 0xEFBE4786L, 0x0FC19DC6L, 0x240CA1CCL,
|
---|
| 707 | 0x2DE92C6FL, 0x4A7484AAL, 0x5CB0A9DCL, 0x76F988DAL, 0x983E5152L,
|
---|
| 708 | 0xA831C66DL, 0xB00327C8L, 0xBF597FC7L, 0xC6E00BF3L, 0xD5A79147L,
|
---|
| 709 | 0x06CA6351L, 0x14292967L, 0x27B70A85L, 0x2E1B2138L, 0x4D2C6DFCL,
|
---|
| 710 | 0x53380D13L, 0x650A7354L, 0x766A0ABBL, 0x81C2C92EL, 0x92722C85L,
|
---|
| 711 | 0xA2BFE8A1L, 0xA81A664BL, 0xC24B8B70L, 0xC76C51A3L, 0xD192E819L,
|
---|
| 712 | 0xD6990624L, 0xF40E3585L, 0x106AA070L, 0x19A4C116L, 0x1E376C08L,
|
---|
| 713 | 0x2748774CL, 0x34B0BCB5L, 0x391C0CB3L, 0x4ED8AA4AL, 0x5B9CCA4FL,
|
---|
| 714 | 0x682E6FF3L, 0x748F82EEL, 0x78A5636FL, 0x84C87814L, 0x8CC70208L,
|
---|
| 715 | 0x90BEFFFAL, 0xA4506CEBL, 0xBEF9A3F7L, 0xC67178F2L
|
---|
| 716 | };
|
---|
| 717 |
|
---|
| 718 | /* Both versions of Ch and Maj are logically the same, but with the second set
|
---|
| 719 | the compilers can recognize them better for optimization */
|
---|
| 720 | #ifdef WOLFSSL_SHA256_BY_SPEC
|
---|
| 721 | /* SHA256 math based on specification */
|
---|
| 722 | #define Ch(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))
|
---|
| 723 | #define Maj(x,y,z) ((((x) | (y)) & (z)) | ((x) & (y)))
|
---|
| 724 | #else
|
---|
| 725 | /* SHA256 math reworked for easier compiler optimization */
|
---|
| 726 | #define Ch(x,y,z) ((((y) ^ (z)) & (x)) ^ (z))
|
---|
| 727 | #define Maj(x,y,z) ((((x) ^ (y)) & ((y) ^ (z))) ^ (y))
|
---|
| 728 | #endif
|
---|
| 729 | #define R(x, n) (((x) & 0xFFFFFFFFU) >> (n))
|
---|
| 730 |
|
---|
| 731 | #define S(x, n) rotrFixed(x, n)
|
---|
| 732 | #define Sigma0(x) (S(x, 2) ^ S(x, 13) ^ S(x, 22))
|
---|
| 733 | #define Sigma1(x) (S(x, 6) ^ S(x, 11) ^ S(x, 25))
|
---|
| 734 | #define Gamma0(x) (S(x, 7) ^ S(x, 18) ^ R(x, 3))
|
---|
| 735 | #define Gamma1(x) (S(x, 17) ^ S(x, 19) ^ R(x, 10))
|
---|
| 736 |
|
---|
| 737 | #define a(i) S[(0-i) & 7]
|
---|
| 738 | #define b(i) S[(1-i) & 7]
|
---|
| 739 | #define c(i) S[(2-i) & 7]
|
---|
| 740 | #define d(i) S[(3-i) & 7]
|
---|
| 741 | #define e(i) S[(4-i) & 7]
|
---|
| 742 | #define f(i) S[(5-i) & 7]
|
---|
| 743 | #define g(i) S[(6-i) & 7]
|
---|
| 744 | #define h(i) S[(7-i) & 7]
|
---|
| 745 |
|
---|
| 746 | #ifndef XTRANSFORM
|
---|
| 747 | #define XTRANSFORM(S, D) Transform_Sha256((S),(D))
|
---|
| 748 | #endif
|
---|
| 749 |
|
---|
| 750 | #ifndef SHA256_MANY_REGISTERS
|
---|
| 751 | #define RND(j) \
|
---|
| 752 | t0 = h(j) + Sigma1(e(j)) + Ch(e(j), f(j), g(j)) + K[i+j] + W[i+j]; \
|
---|
| 753 | t1 = Sigma0(a(j)) + Maj(a(j), b(j), c(j)); \
|
---|
| 754 | d(j) += t0; \
|
---|
| 755 | h(j) = t0 + t1
|
---|
| 756 |
|
---|
| 757 | static int Transform_Sha256(wc_Sha256* sha256, const byte* data)
|
---|
| 758 | {
|
---|
| 759 | word32 S[8], t0, t1;
|
---|
| 760 | int i;
|
---|
| 761 |
|
---|
| 762 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
| 763 | word32* W = sha256->W;
|
---|
| 764 | if (W == NULL) {
|
---|
| 765 | W = (word32*)XMALLOC(sizeof(word32) * WC_SHA256_BLOCK_SIZE, NULL,
|
---|
| 766 | DYNAMIC_TYPE_DIGEST);
|
---|
| 767 | if (W == NULL)
|
---|
| 768 | return MEMORY_E;
|
---|
| 769 | sha256->W = W;
|
---|
| 770 | }
|
---|
| 771 | #elif defined(WOLFSSL_SMALL_STACK)
|
---|
| 772 | word32* W;
|
---|
| 773 | W = (word32*)XMALLOC(sizeof(word32) * WC_SHA256_BLOCK_SIZE, NULL,
|
---|
| 774 | DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 775 | if (W == NULL)
|
---|
| 776 | return MEMORY_E;
|
---|
| 777 | #else
|
---|
| 778 | word32 W[WC_SHA256_BLOCK_SIZE];
|
---|
| 779 | #endif
|
---|
| 780 |
|
---|
| 781 | /* Copy context->state[] to working vars */
|
---|
| 782 | for (i = 0; i < 8; i++)
|
---|
| 783 | S[i] = sha256->digest[i];
|
---|
| 784 |
|
---|
| 785 | for (i = 0; i < 16; i++)
|
---|
| 786 | W[i] = *((word32*)&data[i*sizeof(word32)]);
|
---|
| 787 |
|
---|
| 788 | for (i = 16; i < WC_SHA256_BLOCK_SIZE; i++)
|
---|
| 789 | W[i] = Gamma1(W[i-2]) + W[i-7] + Gamma0(W[i-15]) + W[i-16];
|
---|
| 790 |
|
---|
| 791 | #ifdef USE_SLOW_SHA256
|
---|
| 792 | /* not unrolled - ~2k smaller and ~25% slower */
|
---|
| 793 | for (i = 0; i < WC_SHA256_BLOCK_SIZE; i += 8) {
|
---|
| 794 | int j;
|
---|
| 795 | for (j = 0; j < 8; j++) { /* braces needed here for macros {} */
|
---|
| 796 | RND(j);
|
---|
| 797 | }
|
---|
| 798 | }
|
---|
| 799 | #else
|
---|
| 800 | /* partially loop unrolled */
|
---|
| 801 | for (i = 0; i < WC_SHA256_BLOCK_SIZE; i += 8) {
|
---|
| 802 | RND(0); RND(1); RND(2); RND(3);
|
---|
| 803 | RND(4); RND(5); RND(6); RND(7);
|
---|
| 804 | }
|
---|
| 805 | #endif /* USE_SLOW_SHA256 */
|
---|
| 806 |
|
---|
| 807 | /* Add the working vars back into digest state[] */
|
---|
| 808 | for (i = 0; i < 8; i++) {
|
---|
| 809 | sha256->digest[i] += S[i];
|
---|
| 810 | }
|
---|
| 811 |
|
---|
| 812 | #if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SMALL_STACK_CACHE)
|
---|
| 813 | XFREE(W, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 814 | #endif
|
---|
| 815 | return 0;
|
---|
| 816 | }
|
---|
| 817 | #else
|
---|
| 818 | /* SHA256 version that keeps all data in registers */
|
---|
| 819 | #define SCHED1(j) (W[j] = *((word32*)&data[j*sizeof(word32)]))
|
---|
| 820 | #define SCHED(j) ( \
|
---|
| 821 | W[ j & 15] += \
|
---|
| 822 | Gamma1(W[(j-2) & 15])+ \
|
---|
| 823 | W[(j-7) & 15] + \
|
---|
| 824 | Gamma0(W[(j-15) & 15]) \
|
---|
| 825 | )
|
---|
| 826 |
|
---|
| 827 | #define RND1(j) \
|
---|
| 828 | t0 = h(j) + Sigma1(e(j)) + Ch(e(j), f(j), g(j)) + K[i+j] + SCHED1(j); \
|
---|
| 829 | t1 = Sigma0(a(j)) + Maj(a(j), b(j), c(j)); \
|
---|
| 830 | d(j) += t0; \
|
---|
| 831 | h(j) = t0 + t1
|
---|
| 832 | #define RNDN(j) \
|
---|
| 833 | t0 = h(j) + Sigma1(e(j)) + Ch(e(j), f(j), g(j)) + K[i+j] + SCHED(j); \
|
---|
| 834 | t1 = Sigma0(a(j)) + Maj(a(j), b(j), c(j)); \
|
---|
| 835 | d(j) += t0; \
|
---|
| 836 | h(j) = t0 + t1
|
---|
| 837 |
|
---|
| 838 | static int Transform_Sha256(wc_Sha256* sha256, const byte* data)
|
---|
| 839 | {
|
---|
| 840 | word32 S[8], t0, t1;
|
---|
| 841 | int i;
|
---|
| 842 | word32 W[WC_SHA256_BLOCK_SIZE/sizeof(word32)];
|
---|
| 843 |
|
---|
| 844 | /* Copy digest to working vars */
|
---|
| 845 | S[0] = sha256->digest[0];
|
---|
| 846 | S[1] = sha256->digest[1];
|
---|
| 847 | S[2] = sha256->digest[2];
|
---|
| 848 | S[3] = sha256->digest[3];
|
---|
| 849 | S[4] = sha256->digest[4];
|
---|
| 850 | S[5] = sha256->digest[5];
|
---|
| 851 | S[6] = sha256->digest[6];
|
---|
| 852 | S[7] = sha256->digest[7];
|
---|
| 853 |
|
---|
| 854 | i = 0;
|
---|
| 855 | RND1( 0); RND1( 1); RND1( 2); RND1( 3);
|
---|
| 856 | RND1( 4); RND1( 5); RND1( 6); RND1( 7);
|
---|
| 857 | RND1( 8); RND1( 9); RND1(10); RND1(11);
|
---|
| 858 | RND1(12); RND1(13); RND1(14); RND1(15);
|
---|
| 859 | /* 64 operations, partially loop unrolled */
|
---|
| 860 | for (i = 16; i < 64; i += 16) {
|
---|
| 861 | RNDN( 0); RNDN( 1); RNDN( 2); RNDN( 3);
|
---|
| 862 | RNDN( 4); RNDN( 5); RNDN( 6); RNDN( 7);
|
---|
| 863 | RNDN( 8); RNDN( 9); RNDN(10); RNDN(11);
|
---|
| 864 | RNDN(12); RNDN(13); RNDN(14); RNDN(15);
|
---|
| 865 | }
|
---|
| 866 |
|
---|
| 867 | /* Add the working vars back into digest */
|
---|
| 868 | sha256->digest[0] += S[0];
|
---|
| 869 | sha256->digest[1] += S[1];
|
---|
| 870 | sha256->digest[2] += S[2];
|
---|
| 871 | sha256->digest[3] += S[3];
|
---|
| 872 | sha256->digest[4] += S[4];
|
---|
| 873 | sha256->digest[5] += S[5];
|
---|
| 874 | sha256->digest[6] += S[6];
|
---|
| 875 | sha256->digest[7] += S[7];
|
---|
| 876 |
|
---|
| 877 | return 0;
|
---|
| 878 | }
|
---|
| 879 | #endif /* SHA256_MANY_REGISTERS */
|
---|
| 880 | #endif
|
---|
| 881 | /* End wc_ software implementation */
|
---|
| 882 |
|
---|
| 883 |
|
---|
| 884 | #ifdef XTRANSFORM
|
---|
| 885 |
|
---|
| 886 | static WC_INLINE void AddLength(wc_Sha256* sha256, word32 len)
|
---|
| 887 | {
|
---|
| 888 | word32 tmp = sha256->loLen;
|
---|
| 889 | if ((sha256->loLen += len) < tmp) {
|
---|
| 890 | sha256->hiLen++; /* carry low to high */
|
---|
| 891 | }
|
---|
| 892 | }
|
---|
| 893 |
|
---|
| 894 | /* do block size increments/updates */
|
---|
| 895 | static WC_INLINE int Sha256Update(wc_Sha256* sha256, const byte* data, word32 len)
|
---|
| 896 | {
|
---|
| 897 | int ret = 0;
|
---|
| 898 | word32 blocksLen;
|
---|
| 899 | byte* local;
|
---|
| 900 |
|
---|
| 901 | if (sha256 == NULL || (data == NULL && len > 0)) {
|
---|
| 902 | return BAD_FUNC_ARG;
|
---|
| 903 | }
|
---|
| 904 |
|
---|
| 905 | if (data == NULL && len == 0) {
|
---|
| 906 | /* valid, but do nothing */
|
---|
| 907 | return 0;
|
---|
| 908 | }
|
---|
| 909 |
|
---|
| 910 | /* check that internal buffLen is valid */
|
---|
| 911 | if (sha256->buffLen >= WC_SHA256_BLOCK_SIZE) {
|
---|
| 912 | return BUFFER_E;
|
---|
| 913 | }
|
---|
| 914 |
|
---|
| 915 | /* add length for final */
|
---|
| 916 | AddLength(sha256, len);
|
---|
| 917 |
|
---|
| 918 | local = (byte*)sha256->buffer;
|
---|
| 919 |
|
---|
| 920 | /* process any remainder from previous operation */
|
---|
| 921 | if (sha256->buffLen > 0) {
|
---|
| 922 | blocksLen = min(len, WC_SHA256_BLOCK_SIZE - sha256->buffLen);
|
---|
| 923 | XMEMCPY(&local[sha256->buffLen], data, blocksLen);
|
---|
| 924 |
|
---|
| 925 | sha256->buffLen += blocksLen;
|
---|
| 926 | data += blocksLen;
|
---|
| 927 | len -= blocksLen;
|
---|
| 928 |
|
---|
| 929 | if (sha256->buffLen == WC_SHA256_BLOCK_SIZE) {
|
---|
| 930 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
| 931 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
| 932 | if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
|
---|
| 933 | #endif
|
---|
| 934 | {
|
---|
| 935 | ByteReverseWords(sha256->buffer, sha256->buffer,
|
---|
| 936 | WC_SHA256_BLOCK_SIZE);
|
---|
| 937 | }
|
---|
| 938 | #endif
|
---|
| 939 |
|
---|
| 940 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 941 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 942 | if (sha256->ctx.mode == ESP32_SHA_INIT){
|
---|
| 943 | esp_sha_try_hw_lock(&sha256->ctx);
|
---|
| 944 | }
|
---|
| 945 | if (sha256->ctx.mode == ESP32_SHA_SW){
|
---|
| 946 | ret = XTRANSFORM(sha256, (const byte*)local);
|
---|
| 947 | } else {
|
---|
| 948 | esp_sha256_process(sha256, (const byte*)local);
|
---|
| 949 | }
|
---|
| 950 | #else
|
---|
| 951 | ret = XTRANSFORM(sha256, (const byte*)local);
|
---|
| 952 | #endif
|
---|
| 953 |
|
---|
| 954 | if (ret == 0)
|
---|
| 955 | sha256->buffLen = 0;
|
---|
| 956 | else
|
---|
| 957 | len = 0; /* error */
|
---|
| 958 | }
|
---|
| 959 | }
|
---|
| 960 |
|
---|
| 961 | /* process blocks */
|
---|
| 962 | #ifdef XTRANSFORM_LEN
|
---|
| 963 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
| 964 | if (Transform_Sha256_Len_p != NULL)
|
---|
| 965 | #endif
|
---|
| 966 | {
|
---|
| 967 | /* get number of blocks */
|
---|
| 968 | /* 64-1 = 0x3F (~ Inverted = 0xFFFFFFC0) */
|
---|
| 969 | /* len (masked by 0xFFFFFFC0) returns block aligned length */
|
---|
| 970 | blocksLen = len & ~(WC_SHA256_BLOCK_SIZE-1);
|
---|
| 971 | if (blocksLen > 0) {
|
---|
| 972 | /* Byte reversal and alignment handled in function if required */
|
---|
| 973 | XTRANSFORM_LEN(sha256, data, blocksLen);
|
---|
| 974 | data += blocksLen;
|
---|
| 975 | len -= blocksLen;
|
---|
| 976 | }
|
---|
| 977 | }
|
---|
| 978 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
| 979 | else
|
---|
| 980 | #endif
|
---|
| 981 | #endif /* XTRANSFORM_LEN */
|
---|
| 982 | #if !defined(XTRANSFORM_LEN) || defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
| 983 | {
|
---|
| 984 | while (len >= WC_SHA256_BLOCK_SIZE) {
|
---|
| 985 | word32* local32 = sha256->buffer;
|
---|
| 986 | /* optimization to avoid memcpy if data pointer is properly aligned */
|
---|
| 987 | /* Intel transform function requires use of sha256->buffer */
|
---|
| 988 | /* Little Endian requires byte swap, so can't use data directly */
|
---|
| 989 | #if defined(WC_HASH_DATA_ALIGNMENT) && !defined(LITTLE_ENDIAN_ORDER) && \
|
---|
| 990 | !defined(HAVE_INTEL_AVX1) && !defined(HAVE_INTEL_AVX2)
|
---|
| 991 | if (((size_t)data % WC_HASH_DATA_ALIGNMENT) == 0) {
|
---|
| 992 | local32 = (word32*)data;
|
---|
| 993 | }
|
---|
| 994 | else
|
---|
| 995 | #endif
|
---|
| 996 | {
|
---|
| 997 | XMEMCPY(local32, data, WC_SHA256_BLOCK_SIZE);
|
---|
| 998 | }
|
---|
| 999 |
|
---|
| 1000 | data += WC_SHA256_BLOCK_SIZE;
|
---|
| 1001 | len -= WC_SHA256_BLOCK_SIZE;
|
---|
| 1002 |
|
---|
| 1003 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
| 1004 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
| 1005 | if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
|
---|
| 1006 | #endif
|
---|
| 1007 | {
|
---|
| 1008 | ByteReverseWords(local32, local32, WC_SHA256_BLOCK_SIZE);
|
---|
| 1009 | }
|
---|
| 1010 | #endif
|
---|
| 1011 |
|
---|
| 1012 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 1013 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 1014 | if (sha256->ctx.mode == ESP32_SHA_INIT){
|
---|
| 1015 | esp_sha_try_hw_lock(&sha256->ctx);
|
---|
| 1016 | }
|
---|
| 1017 | if (sha256->ctx.mode == ESP32_SHA_SW){
|
---|
| 1018 | ret = XTRANSFORM(sha256, (const byte*)local32);
|
---|
| 1019 | } else {
|
---|
| 1020 | esp_sha256_process(sha256, (const byte*)local32);
|
---|
| 1021 | }
|
---|
| 1022 | #else
|
---|
| 1023 | ret = XTRANSFORM(sha256, (const byte*)local32);
|
---|
| 1024 | #endif
|
---|
| 1025 |
|
---|
| 1026 | if (ret != 0)
|
---|
| 1027 | break;
|
---|
| 1028 | }
|
---|
| 1029 | }
|
---|
| 1030 | #endif
|
---|
| 1031 |
|
---|
| 1032 | /* save remainder */
|
---|
| 1033 | if (len > 0) {
|
---|
| 1034 | XMEMCPY(local, data, len);
|
---|
| 1035 | sha256->buffLen = len;
|
---|
| 1036 | }
|
---|
| 1037 |
|
---|
| 1038 | return ret;
|
---|
| 1039 | }
|
---|
| 1040 |
|
---|
| 1041 | int wc_Sha256Update(wc_Sha256* sha256, const byte* data, word32 len)
|
---|
| 1042 | {
|
---|
| 1043 | if (sha256 == NULL || (data == NULL && len > 0)) {
|
---|
| 1044 | return BAD_FUNC_ARG;
|
---|
| 1045 | }
|
---|
| 1046 |
|
---|
| 1047 | if (data == NULL && len == 0) {
|
---|
| 1048 | /* valid, but do nothing */
|
---|
| 1049 | return 0;
|
---|
| 1050 | }
|
---|
| 1051 |
|
---|
| 1052 | #ifdef WOLF_CRYPTO_CB
|
---|
| 1053 | if (sha256->devId != INVALID_DEVID) {
|
---|
| 1054 | int ret = wc_CryptoCb_Sha256Hash(sha256, data, len, NULL);
|
---|
| 1055 | if (ret != CRYPTOCB_UNAVAILABLE)
|
---|
| 1056 | return ret;
|
---|
| 1057 | /* fall-through when unavailable */
|
---|
| 1058 | }
|
---|
| 1059 | #endif
|
---|
| 1060 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA256)
|
---|
| 1061 | if (sha256->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA256) {
|
---|
| 1062 | #if defined(HAVE_INTEL_QA)
|
---|
| 1063 | return IntelQaSymSha256(&sha256->asyncDev, NULL, data, len);
|
---|
| 1064 | #endif
|
---|
| 1065 | }
|
---|
| 1066 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 1067 |
|
---|
| 1068 | return Sha256Update(sha256, data, len);
|
---|
| 1069 | }
|
---|
| 1070 |
|
---|
| 1071 | static WC_INLINE int Sha256Final(wc_Sha256* sha256)
|
---|
| 1072 | {
|
---|
| 1073 |
|
---|
| 1074 | int ret;
|
---|
| 1075 | byte* local;
|
---|
| 1076 |
|
---|
| 1077 | if (sha256 == NULL) {
|
---|
| 1078 | return BAD_FUNC_ARG;
|
---|
| 1079 | }
|
---|
| 1080 |
|
---|
| 1081 | local = (byte*)sha256->buffer;
|
---|
| 1082 | local[sha256->buffLen++] = 0x80; /* add 1 */
|
---|
| 1083 |
|
---|
| 1084 | /* pad with zeros */
|
---|
| 1085 | if (sha256->buffLen > WC_SHA256_PAD_SIZE) {
|
---|
| 1086 | XMEMSET(&local[sha256->buffLen], 0,
|
---|
| 1087 | WC_SHA256_BLOCK_SIZE - sha256->buffLen);
|
---|
| 1088 | sha256->buffLen += WC_SHA256_BLOCK_SIZE - sha256->buffLen;
|
---|
| 1089 |
|
---|
| 1090 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
| 1091 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
| 1092 | if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
|
---|
| 1093 | #endif
|
---|
| 1094 | {
|
---|
| 1095 | ByteReverseWords(sha256->buffer, sha256->buffer,
|
---|
| 1096 | WC_SHA256_BLOCK_SIZE);
|
---|
| 1097 | }
|
---|
| 1098 | #endif
|
---|
| 1099 |
|
---|
| 1100 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 1101 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 1102 | if (sha256->ctx.mode == ESP32_SHA_INIT) {
|
---|
| 1103 | esp_sha_try_hw_lock(&sha256->ctx);
|
---|
| 1104 | }
|
---|
| 1105 | if (sha256->ctx.mode == ESP32_SHA_SW) {
|
---|
| 1106 | ret = XTRANSFORM(sha256, (const byte*)local);
|
---|
| 1107 | } else {
|
---|
| 1108 | ret = esp_sha256_process(sha256, (const byte*)local);
|
---|
| 1109 | }
|
---|
| 1110 | #else
|
---|
| 1111 | ret = XTRANSFORM(sha256, (const byte*)local);
|
---|
| 1112 | #endif
|
---|
| 1113 | if (ret != 0)
|
---|
| 1114 | return ret;
|
---|
| 1115 |
|
---|
| 1116 | sha256->buffLen = 0;
|
---|
| 1117 | }
|
---|
| 1118 | XMEMSET(&local[sha256->buffLen], 0,
|
---|
| 1119 | WC_SHA256_PAD_SIZE - sha256->buffLen);
|
---|
| 1120 |
|
---|
| 1121 | /* put lengths in bits */
|
---|
| 1122 | sha256->hiLen = (sha256->loLen >> (8 * sizeof(sha256->loLen) - 3)) +
|
---|
| 1123 | (sha256->hiLen << 3);
|
---|
| 1124 | sha256->loLen = sha256->loLen << 3;
|
---|
| 1125 |
|
---|
| 1126 | /* store lengths */
|
---|
| 1127 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
| 1128 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
| 1129 | if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
|
---|
| 1130 | #endif
|
---|
| 1131 | {
|
---|
| 1132 | ByteReverseWords(sha256->buffer, sha256->buffer,
|
---|
| 1133 | WC_SHA256_BLOCK_SIZE);
|
---|
| 1134 | }
|
---|
| 1135 | #endif
|
---|
| 1136 | /* ! length ordering dependent on digest endian type ! */
|
---|
| 1137 | XMEMCPY(&local[WC_SHA256_PAD_SIZE], &sha256->hiLen, sizeof(word32));
|
---|
| 1138 | XMEMCPY(&local[WC_SHA256_PAD_SIZE + sizeof(word32)], &sha256->loLen,
|
---|
| 1139 | sizeof(word32));
|
---|
| 1140 |
|
---|
| 1141 | #if defined(FREESCALE_MMCAU_SHA) || defined(HAVE_INTEL_AVX1) || \
|
---|
| 1142 | defined(HAVE_INTEL_AVX2)
|
---|
| 1143 | /* Kinetis requires only these bytes reversed */
|
---|
| 1144 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
| 1145 | if (IS_INTEL_AVX1(intel_flags) || IS_INTEL_AVX2(intel_flags))
|
---|
| 1146 | #endif
|
---|
| 1147 | {
|
---|
| 1148 | ByteReverseWords(
|
---|
| 1149 | &sha256->buffer[WC_SHA256_PAD_SIZE / sizeof(word32)],
|
---|
| 1150 | &sha256->buffer[WC_SHA256_PAD_SIZE / sizeof(word32)],
|
---|
| 1151 | 2 * sizeof(word32));
|
---|
| 1152 | }
|
---|
| 1153 | #endif
|
---|
| 1154 |
|
---|
| 1155 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 1156 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 1157 | if (sha256->ctx.mode == ESP32_SHA_INIT) {
|
---|
| 1158 | esp_sha_try_hw_lock(&sha256->ctx);
|
---|
| 1159 | }
|
---|
| 1160 | if (sha256->ctx.mode == ESP32_SHA_SW) {
|
---|
| 1161 | ret = XTRANSFORM(sha256, (const byte*)local);
|
---|
| 1162 | } else {
|
---|
| 1163 | ret = esp_sha256_digest_process(sha256, 1);
|
---|
| 1164 | }
|
---|
| 1165 | #else
|
---|
| 1166 | ret = XTRANSFORM(sha256, (const byte*)local);
|
---|
| 1167 | #endif
|
---|
| 1168 |
|
---|
| 1169 | return ret;
|
---|
| 1170 | }
|
---|
| 1171 |
|
---|
| 1172 | int wc_Sha256FinalRaw(wc_Sha256* sha256, byte* hash)
|
---|
| 1173 | {
|
---|
| 1174 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
| 1175 | word32 digest[WC_SHA256_DIGEST_SIZE / sizeof(word32)];
|
---|
| 1176 | #endif
|
---|
| 1177 |
|
---|
| 1178 | if (sha256 == NULL || hash == NULL) {
|
---|
| 1179 | return BAD_FUNC_ARG;
|
---|
| 1180 | }
|
---|
| 1181 |
|
---|
| 1182 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
| 1183 | ByteReverseWords((word32*)digest, (word32*)sha256->digest,
|
---|
| 1184 | WC_SHA256_DIGEST_SIZE);
|
---|
| 1185 | XMEMCPY(hash, digest, WC_SHA256_DIGEST_SIZE);
|
---|
| 1186 | #else
|
---|
| 1187 | XMEMCPY(hash, sha256->digest, WC_SHA256_DIGEST_SIZE);
|
---|
| 1188 | #endif
|
---|
| 1189 |
|
---|
| 1190 | return 0;
|
---|
| 1191 | }
|
---|
| 1192 |
|
---|
| 1193 | int wc_Sha256Final(wc_Sha256* sha256, byte* hash)
|
---|
| 1194 | {
|
---|
| 1195 | int ret;
|
---|
| 1196 |
|
---|
| 1197 | if (sha256 == NULL || hash == NULL) {
|
---|
| 1198 | return BAD_FUNC_ARG;
|
---|
| 1199 | }
|
---|
| 1200 |
|
---|
| 1201 | #ifdef WOLF_CRYPTO_CB
|
---|
| 1202 | if (sha256->devId != INVALID_DEVID) {
|
---|
| 1203 | ret = wc_CryptoCb_Sha256Hash(sha256, NULL, 0, hash);
|
---|
| 1204 | if (ret != CRYPTOCB_UNAVAILABLE)
|
---|
| 1205 | return ret;
|
---|
| 1206 | /* fall-through when unavailable */
|
---|
| 1207 | }
|
---|
| 1208 | #endif
|
---|
| 1209 |
|
---|
| 1210 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA256)
|
---|
| 1211 | if (sha256->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA256) {
|
---|
| 1212 | #if defined(HAVE_INTEL_QA)
|
---|
| 1213 | return IntelQaSymSha256(&sha256->asyncDev, hash, NULL,
|
---|
| 1214 | WC_SHA256_DIGEST_SIZE);
|
---|
| 1215 | #endif
|
---|
| 1216 | }
|
---|
| 1217 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 1218 |
|
---|
| 1219 | ret = Sha256Final(sha256);
|
---|
| 1220 | if (ret != 0)
|
---|
| 1221 | return ret;
|
---|
| 1222 |
|
---|
| 1223 | #if defined(LITTLE_ENDIAN_ORDER)
|
---|
| 1224 | ByteReverseWords(sha256->digest, sha256->digest, WC_SHA256_DIGEST_SIZE);
|
---|
| 1225 | #endif
|
---|
| 1226 | XMEMCPY(hash, sha256->digest, WC_SHA256_DIGEST_SIZE);
|
---|
| 1227 |
|
---|
| 1228 | return InitSha256(sha256); /* reset state */
|
---|
| 1229 | }
|
---|
| 1230 |
|
---|
| 1231 | #endif /* XTRANSFORM */
|
---|
| 1232 |
|
---|
| 1233 | #ifdef WOLFSSL_SHA224
|
---|
| 1234 |
|
---|
| 1235 | #ifdef STM32_HASH_SHA2
|
---|
| 1236 |
|
---|
| 1237 | /* Supports CubeMX HAL or Standard Peripheral Library */
|
---|
| 1238 |
|
---|
| 1239 | int wc_InitSha224_ex(wc_Sha224* sha224, void* heap, int devId)
|
---|
| 1240 | {
|
---|
| 1241 | if (sha224 == NULL)
|
---|
| 1242 | return BAD_FUNC_ARG;
|
---|
| 1243 |
|
---|
| 1244 | (void)devId;
|
---|
| 1245 | (void)heap;
|
---|
| 1246 |
|
---|
| 1247 | wc_Stm32_Hash_Init(&sha224->stmCtx);
|
---|
| 1248 | return 0;
|
---|
| 1249 | }
|
---|
| 1250 |
|
---|
| 1251 | int wc_Sha224Update(wc_Sha224* sha224, const byte* data, word32 len)
|
---|
| 1252 | {
|
---|
| 1253 | int ret = 0;
|
---|
| 1254 |
|
---|
| 1255 | if (sha224 == NULL || (data == NULL && len > 0)) {
|
---|
| 1256 | return BAD_FUNC_ARG;
|
---|
| 1257 | }
|
---|
| 1258 |
|
---|
| 1259 | ret = wolfSSL_CryptHwMutexLock();
|
---|
| 1260 | if (ret == 0) {
|
---|
| 1261 | ret = wc_Stm32_Hash_Update(&sha224->stmCtx,
|
---|
| 1262 | HASH_AlgoSelection_SHA224, data, len);
|
---|
| 1263 | wolfSSL_CryptHwMutexUnLock();
|
---|
| 1264 | }
|
---|
| 1265 | return ret;
|
---|
| 1266 | }
|
---|
| 1267 |
|
---|
| 1268 | int wc_Sha224Final(wc_Sha224* sha224, byte* hash)
|
---|
| 1269 | {
|
---|
| 1270 | int ret = 0;
|
---|
| 1271 |
|
---|
| 1272 | if (sha224 == NULL || hash == NULL) {
|
---|
| 1273 | return BAD_FUNC_ARG;
|
---|
| 1274 | }
|
---|
| 1275 |
|
---|
| 1276 | ret = wolfSSL_CryptHwMutexLock();
|
---|
| 1277 | if (ret == 0) {
|
---|
| 1278 | ret = wc_Stm32_Hash_Final(&sha224->stmCtx,
|
---|
| 1279 | HASH_AlgoSelection_SHA224, hash, WC_SHA224_DIGEST_SIZE);
|
---|
| 1280 | wolfSSL_CryptHwMutexUnLock();
|
---|
| 1281 | }
|
---|
| 1282 |
|
---|
| 1283 | (void)wc_InitSha224(sha224); /* reset state */
|
---|
| 1284 |
|
---|
| 1285 | return ret;
|
---|
| 1286 | }
|
---|
| 1287 |
|
---|
| 1288 | #elif defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
|
---|
| 1289 | /* functions defined in wolfcrypt/src/port/caam/caam_sha256.c */
|
---|
| 1290 |
|
---|
| 1291 | #elif defined(WOLFSSL_AFALG_HASH)
|
---|
| 1292 | #error SHA224 currently not supported with AF_ALG enabled
|
---|
| 1293 |
|
---|
| 1294 | #elif defined(WOLFSSL_DEVCRYPTO_HASH)
|
---|
| 1295 | /* implemented in wolfcrypt/src/port/devcrypto/devcrypt_hash.c */
|
---|
| 1296 |
|
---|
| 1297 | #else
|
---|
| 1298 |
|
---|
| 1299 | #define NEED_SOFT_SHA224
|
---|
| 1300 |
|
---|
| 1301 |
|
---|
| 1302 | static int InitSha224(wc_Sha224* sha224)
|
---|
| 1303 | {
|
---|
| 1304 | int ret = 0;
|
---|
| 1305 |
|
---|
| 1306 | if (sha224 == NULL) {
|
---|
| 1307 | return BAD_FUNC_ARG;
|
---|
| 1308 | }
|
---|
| 1309 |
|
---|
| 1310 | sha224->digest[0] = 0xc1059ed8;
|
---|
| 1311 | sha224->digest[1] = 0x367cd507;
|
---|
| 1312 | sha224->digest[2] = 0x3070dd17;
|
---|
| 1313 | sha224->digest[3] = 0xf70e5939;
|
---|
| 1314 | sha224->digest[4] = 0xffc00b31;
|
---|
| 1315 | sha224->digest[5] = 0x68581511;
|
---|
| 1316 | sha224->digest[6] = 0x64f98fa7;
|
---|
| 1317 | sha224->digest[7] = 0xbefa4fa4;
|
---|
| 1318 |
|
---|
| 1319 | sha224->buffLen = 0;
|
---|
| 1320 | sha224->loLen = 0;
|
---|
| 1321 | sha224->hiLen = 0;
|
---|
| 1322 |
|
---|
| 1323 | #if defined(HAVE_INTEL_AVX1)|| defined(HAVE_INTEL_AVX2)
|
---|
| 1324 | /* choose best Transform function under this runtime environment */
|
---|
| 1325 | Sha256_SetTransform();
|
---|
| 1326 | #endif
|
---|
| 1327 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
| 1328 | sha224->flags = 0;
|
---|
| 1329 | #endif
|
---|
| 1330 |
|
---|
| 1331 | return ret;
|
---|
| 1332 | }
|
---|
| 1333 |
|
---|
| 1334 | #endif
|
---|
| 1335 |
|
---|
| 1336 | #ifdef NEED_SOFT_SHA224
|
---|
| 1337 | int wc_InitSha224_ex(wc_Sha224* sha224, void* heap, int devId)
|
---|
| 1338 | {
|
---|
| 1339 | int ret = 0;
|
---|
| 1340 |
|
---|
| 1341 | if (sha224 == NULL)
|
---|
| 1342 | return BAD_FUNC_ARG;
|
---|
| 1343 |
|
---|
| 1344 | sha224->heap = heap;
|
---|
| 1345 |
|
---|
| 1346 | ret = InitSha224(sha224);
|
---|
| 1347 | if (ret != 0)
|
---|
| 1348 | return ret;
|
---|
| 1349 |
|
---|
| 1350 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
| 1351 | sha224->W = NULL;
|
---|
| 1352 | #endif
|
---|
| 1353 |
|
---|
| 1354 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA224)
|
---|
| 1355 | ret = wolfAsync_DevCtxInit(&sha224->asyncDev,
|
---|
| 1356 | WOLFSSL_ASYNC_MARKER_SHA224, sha224->heap, devId);
|
---|
| 1357 | #else
|
---|
| 1358 | (void)devId;
|
---|
| 1359 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 1360 |
|
---|
| 1361 | return ret;
|
---|
| 1362 | }
|
---|
| 1363 |
|
---|
| 1364 | int wc_Sha224Update(wc_Sha224* sha224, const byte* data, word32 len)
|
---|
| 1365 | {
|
---|
| 1366 | int ret;
|
---|
| 1367 |
|
---|
| 1368 | if (sha224 == NULL || (data == NULL && len > 0)) {
|
---|
| 1369 | return BAD_FUNC_ARG;
|
---|
| 1370 | }
|
---|
| 1371 |
|
---|
| 1372 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA224)
|
---|
| 1373 | if (sha224->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA224) {
|
---|
| 1374 | #if defined(HAVE_INTEL_QA)
|
---|
| 1375 | return IntelQaSymSha224(&sha224->asyncDev, NULL, data, len);
|
---|
| 1376 | #endif
|
---|
| 1377 | }
|
---|
| 1378 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 1379 |
|
---|
| 1380 | ret = Sha256Update((wc_Sha256*)sha224, data, len);
|
---|
| 1381 |
|
---|
| 1382 | return ret;
|
---|
| 1383 | }
|
---|
| 1384 |
|
---|
| 1385 | int wc_Sha224Final(wc_Sha224* sha224, byte* hash)
|
---|
| 1386 | {
|
---|
| 1387 | int ret;
|
---|
| 1388 |
|
---|
| 1389 | if (sha224 == NULL || hash == NULL) {
|
---|
| 1390 | return BAD_FUNC_ARG;
|
---|
| 1391 | }
|
---|
| 1392 |
|
---|
| 1393 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA224)
|
---|
| 1394 | if (sha224->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA224) {
|
---|
| 1395 | #if defined(HAVE_INTEL_QA)
|
---|
| 1396 | return IntelQaSymSha224(&sha224->asyncDev, hash, NULL,
|
---|
| 1397 | WC_SHA224_DIGEST_SIZE);
|
---|
| 1398 | #endif
|
---|
| 1399 | }
|
---|
| 1400 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 1401 |
|
---|
| 1402 | ret = Sha256Final((wc_Sha256*)sha224);
|
---|
| 1403 | if (ret != 0)
|
---|
| 1404 | return ret;
|
---|
| 1405 |
|
---|
| 1406 | #if defined(LITTLE_ENDIAN_ORDER)
|
---|
| 1407 | ByteReverseWords(sha224->digest, sha224->digest, WC_SHA224_DIGEST_SIZE);
|
---|
| 1408 | #endif
|
---|
| 1409 | XMEMCPY(hash, sha224->digest, WC_SHA224_DIGEST_SIZE);
|
---|
| 1410 |
|
---|
| 1411 | return InitSha224(sha224); /* reset state */
|
---|
| 1412 | }
|
---|
| 1413 | #endif /* end of SHA224 software implementation */
|
---|
| 1414 |
|
---|
| 1415 | int wc_InitSha224(wc_Sha224* sha224)
|
---|
| 1416 | {
|
---|
| 1417 | return wc_InitSha224_ex(sha224, NULL, INVALID_DEVID);
|
---|
| 1418 | }
|
---|
| 1419 |
|
---|
| 1420 | void wc_Sha224Free(wc_Sha224* sha224)
|
---|
| 1421 | {
|
---|
| 1422 | if (sha224 == NULL)
|
---|
| 1423 | return;
|
---|
| 1424 |
|
---|
| 1425 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
| 1426 | if (sha224->W != NULL) {
|
---|
| 1427 | XFREE(sha224->W, NULL, DYNAMIC_TYPE_DIGEST);
|
---|
| 1428 | sha224->W = NULL;
|
---|
| 1429 | }
|
---|
| 1430 | #endif
|
---|
| 1431 |
|
---|
| 1432 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA224)
|
---|
| 1433 | wolfAsync_DevCtxFree(&sha224->asyncDev, WOLFSSL_ASYNC_MARKER_SHA224);
|
---|
| 1434 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 1435 |
|
---|
| 1436 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
| 1437 | wc_Sha256Pic32Free(sha224);
|
---|
| 1438 | #endif
|
---|
| 1439 | }
|
---|
| 1440 | #endif /* WOLFSSL_SHA224 */
|
---|
| 1441 |
|
---|
| 1442 |
|
---|
| 1443 | int wc_InitSha256(wc_Sha256* sha256)
|
---|
| 1444 | {
|
---|
| 1445 | return wc_InitSha256_ex(sha256, NULL, INVALID_DEVID);
|
---|
| 1446 | }
|
---|
| 1447 |
|
---|
| 1448 | void wc_Sha256Free(wc_Sha256* sha256)
|
---|
| 1449 | {
|
---|
| 1450 | if (sha256 == NULL)
|
---|
| 1451 | return;
|
---|
| 1452 |
|
---|
| 1453 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
| 1454 | if (sha256->W != NULL) {
|
---|
| 1455 | XFREE(sha256->W, NULL, DYNAMIC_TYPE_DIGEST);
|
---|
| 1456 | sha256->W = NULL;
|
---|
| 1457 | }
|
---|
| 1458 | #endif
|
---|
| 1459 |
|
---|
| 1460 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA256)
|
---|
| 1461 | wolfAsync_DevCtxFree(&sha256->asyncDev, WOLFSSL_ASYNC_MARKER_SHA256);
|
---|
| 1462 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 1463 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
| 1464 | wc_Sha256Pic32Free(sha256);
|
---|
| 1465 | #endif
|
---|
| 1466 | #if defined(WOLFSSL_AFALG_HASH)
|
---|
| 1467 | if (sha256->alFd > 0) {
|
---|
| 1468 | close(sha256->alFd);
|
---|
| 1469 | sha256->alFd = -1; /* avoid possible double close on socket */
|
---|
| 1470 | }
|
---|
| 1471 | if (sha256->rdFd > 0) {
|
---|
| 1472 | close(sha256->rdFd);
|
---|
| 1473 | sha256->rdFd = -1; /* avoid possible double close on socket */
|
---|
| 1474 | }
|
---|
| 1475 | #endif /* WOLFSSL_AFALG_HASH */
|
---|
| 1476 | #ifdef WOLFSSL_DEVCRYPTO_HASH
|
---|
| 1477 | wc_DevCryptoFree(&sha256->ctx);
|
---|
| 1478 | #endif /* WOLFSSL_DEVCRYPTO */
|
---|
| 1479 | #if (defined(WOLFSSL_AFALG_HASH) && defined(WOLFSSL_AFALG_HASH_KEEP)) || \
|
---|
| 1480 | (defined(WOLFSSL_DEVCRYPTO_HASH) && defined(WOLFSSL_DEVCRYPTO_HASH_KEEP)) || \
|
---|
| 1481 | (defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \
|
---|
| 1482 | !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH))
|
---|
| 1483 | if (sha256->msg != NULL) {
|
---|
| 1484 | XFREE(sha256->msg, sha256->heap, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 1485 | sha256->msg = NULL;
|
---|
| 1486 | }
|
---|
| 1487 | #endif
|
---|
| 1488 | }
|
---|
| 1489 |
|
---|
| 1490 | #endif /* !WOLFSSL_TI_HASH */
|
---|
| 1491 | #endif /* HAVE_FIPS */
|
---|
| 1492 |
|
---|
| 1493 |
|
---|
| 1494 | #ifndef WOLFSSL_TI_HASH
|
---|
| 1495 | #ifdef WOLFSSL_SHA224
|
---|
| 1496 | int wc_Sha224GetHash(wc_Sha224* sha224, byte* hash)
|
---|
| 1497 | {
|
---|
| 1498 | int ret;
|
---|
| 1499 | wc_Sha224 tmpSha224;
|
---|
| 1500 |
|
---|
| 1501 | if (sha224 == NULL || hash == NULL)
|
---|
| 1502 | return BAD_FUNC_ARG;
|
---|
| 1503 |
|
---|
| 1504 | ret = wc_Sha224Copy(sha224, &tmpSha224);
|
---|
| 1505 | if (ret == 0) {
|
---|
| 1506 | ret = wc_Sha224Final(&tmpSha224, hash);
|
---|
| 1507 | wc_Sha224Free(&tmpSha224);
|
---|
| 1508 | }
|
---|
| 1509 | return ret;
|
---|
| 1510 | }
|
---|
| 1511 | int wc_Sha224Copy(wc_Sha224* src, wc_Sha224* dst)
|
---|
| 1512 | {
|
---|
| 1513 | int ret = 0;
|
---|
| 1514 |
|
---|
| 1515 | if (src == NULL || dst == NULL)
|
---|
| 1516 | return BAD_FUNC_ARG;
|
---|
| 1517 |
|
---|
| 1518 | XMEMCPY(dst, src, sizeof(wc_Sha224));
|
---|
| 1519 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
| 1520 | dst->W = NULL;
|
---|
| 1521 | #endif
|
---|
| 1522 |
|
---|
| 1523 | #ifdef WOLFSSL_ASYNC_CRYPT
|
---|
| 1524 | ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
|
---|
| 1525 | #endif
|
---|
| 1526 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
| 1527 | dst->flags |= WC_HASH_FLAG_ISCOPY;
|
---|
| 1528 | #endif
|
---|
| 1529 |
|
---|
| 1530 | return ret;
|
---|
| 1531 | }
|
---|
| 1532 |
|
---|
| 1533 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
| 1534 | int wc_Sha224SetFlags(wc_Sha224* sha224, word32 flags)
|
---|
| 1535 | {
|
---|
| 1536 | if (sha224) {
|
---|
| 1537 | sha224->flags = flags;
|
---|
| 1538 | }
|
---|
| 1539 | return 0;
|
---|
| 1540 | }
|
---|
| 1541 | int wc_Sha224GetFlags(wc_Sha224* sha224, word32* flags)
|
---|
| 1542 | {
|
---|
| 1543 | if (sha224 && flags) {
|
---|
| 1544 | *flags = sha224->flags;
|
---|
| 1545 | }
|
---|
| 1546 | return 0;
|
---|
| 1547 | }
|
---|
| 1548 | #endif
|
---|
| 1549 |
|
---|
| 1550 | #endif /* WOLFSSL_SHA224 */
|
---|
| 1551 |
|
---|
| 1552 | #ifdef WOLFSSL_AFALG_HASH
|
---|
| 1553 | /* implemented in wolfcrypt/src/port/af_alg/afalg_hash.c */
|
---|
| 1554 |
|
---|
| 1555 | #elif defined(WOLFSSL_DEVCRYPTO_HASH)
|
---|
| 1556 | /* implemented in wolfcrypt/src/port/devcrypto/devcrypt_hash.c */
|
---|
| 1557 |
|
---|
| 1558 | #elif defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \
|
---|
| 1559 | !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH)
|
---|
| 1560 |
|
---|
| 1561 | /* implemented in wolfcrypt/src/port/Renesas/renesas_tsip_sha.c */
|
---|
| 1562 | #else
|
---|
| 1563 |
|
---|
| 1564 | int wc_Sha256GetHash(wc_Sha256* sha256, byte* hash)
|
---|
| 1565 | {
|
---|
| 1566 | int ret;
|
---|
| 1567 | wc_Sha256 tmpSha256;
|
---|
| 1568 |
|
---|
| 1569 | if (sha256 == NULL || hash == NULL)
|
---|
| 1570 | return BAD_FUNC_ARG;
|
---|
| 1571 |
|
---|
| 1572 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 1573 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 1574 | if(sha256->ctx.mode == ESP32_SHA_INIT){
|
---|
| 1575 | esp_sha_try_hw_lock(&sha256->ctx);
|
---|
| 1576 | }
|
---|
| 1577 | if(sha256->ctx.mode == ESP32_SHA_HW)
|
---|
| 1578 | {
|
---|
| 1579 | esp_sha256_digest_process(sha256, 0);
|
---|
| 1580 | }
|
---|
| 1581 | #endif
|
---|
| 1582 | ret = wc_Sha256Copy(sha256, &tmpSha256);
|
---|
| 1583 | if (ret == 0) {
|
---|
| 1584 | ret = wc_Sha256Final(&tmpSha256, hash);
|
---|
| 1585 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 1586 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 1587 | sha256->ctx.mode = ESP32_SHA_SW;
|
---|
| 1588 | #endif
|
---|
| 1589 |
|
---|
| 1590 | wc_Sha256Free(&tmpSha256);
|
---|
| 1591 | }
|
---|
| 1592 | return ret;
|
---|
| 1593 | }
|
---|
| 1594 | int wc_Sha256Copy(wc_Sha256* src, wc_Sha256* dst)
|
---|
| 1595 | {
|
---|
| 1596 | int ret = 0;
|
---|
| 1597 |
|
---|
| 1598 | if (src == NULL || dst == NULL)
|
---|
| 1599 | return BAD_FUNC_ARG;
|
---|
| 1600 |
|
---|
| 1601 | XMEMCPY(dst, src, sizeof(wc_Sha256));
|
---|
| 1602 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
| 1603 | dst->W = NULL;
|
---|
| 1604 | #endif
|
---|
| 1605 |
|
---|
| 1606 | #ifdef WOLFSSL_ASYNC_CRYPT
|
---|
| 1607 | ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
|
---|
| 1608 | #endif
|
---|
| 1609 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
| 1610 | ret = wc_Pic32HashCopy(&src->cache, &dst->cache);
|
---|
| 1611 | #endif
|
---|
| 1612 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 1613 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 1614 | dst->ctx.mode = src->ctx.mode;
|
---|
| 1615 | dst->ctx.isfirstblock = src->ctx.isfirstblock;
|
---|
| 1616 | dst->ctx.sha_type = src->ctx.sha_type;
|
---|
| 1617 | #endif
|
---|
| 1618 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
| 1619 | dst->flags |= WC_HASH_FLAG_ISCOPY;
|
---|
| 1620 | #endif
|
---|
| 1621 |
|
---|
| 1622 | return ret;
|
---|
| 1623 | }
|
---|
| 1624 | #endif
|
---|
| 1625 |
|
---|
| 1626 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
| 1627 | int wc_Sha256SetFlags(wc_Sha256* sha256, word32 flags)
|
---|
| 1628 | {
|
---|
| 1629 | if (sha256) {
|
---|
| 1630 | sha256->flags = flags;
|
---|
| 1631 | }
|
---|
| 1632 | return 0;
|
---|
| 1633 | }
|
---|
| 1634 | int wc_Sha256GetFlags(wc_Sha256* sha256, word32* flags)
|
---|
| 1635 | {
|
---|
| 1636 | if (sha256 && flags) {
|
---|
| 1637 | *flags = sha256->flags;
|
---|
| 1638 | }
|
---|
| 1639 | return 0;
|
---|
| 1640 | }
|
---|
| 1641 | #endif
|
---|
| 1642 | #endif /* !WOLFSSL_TI_HASH */
|
---|
| 1643 |
|
---|
| 1644 | #endif /* NO_SHA256 */
|
---|