[453] | 1 | /* hmac.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 |
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| 23 | #ifdef HAVE_CONFIG_H
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| 24 | #include <config.h>
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| 25 | #endif
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| 26 |
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| 27 | #include <wolfssl/wolfcrypt/settings.h>
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| 28 | #include <wolfssl/wolfcrypt/error-crypt.h>
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| 29 |
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| 30 | #ifndef NO_HMAC
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| 31 |
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| 32 | #if defined(HAVE_FIPS) && \
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| 33 | defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
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| 34 |
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| 35 | /* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
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| 36 | #define FIPS_NO_WRAPPERS
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| 37 |
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| 38 | #ifdef USE_WINDOWS_API
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| 39 | #pragma code_seg(".fipsA$b")
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| 40 | #pragma const_seg(".fipsB$b")
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| 41 | #endif
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| 42 | #endif
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| 43 |
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| 44 | #include <wolfssl/wolfcrypt/hmac.h>
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| 45 |
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| 46 | #ifdef WOLF_CRYPTO_CB
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| 47 | #include <wolfssl/wolfcrypt/cryptocb.h>
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| 48 | #endif
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| 49 |
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| 50 | #ifdef NO_INLINE
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| 51 | #include <wolfssl/wolfcrypt/misc.h>
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| 52 | #else
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| 53 | #define WOLFSSL_MISC_INCLUDED
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| 54 | #include <wolfcrypt/src/misc.c>
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| 55 | #endif
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| 56 |
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| 57 |
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| 58 | /* fips wrapper calls, user can call direct */
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| 59 | /* If building for old FIPS. */
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| 60 | #if defined(HAVE_FIPS) && \
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| 61 | (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
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| 62 |
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| 63 | /* does init */
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| 64 | int wc_HmacSetKey(Hmac* hmac, int type, const byte* key, word32 keySz)
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| 65 | {
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| 66 | if (hmac == NULL || (key == NULL && keySz != 0) ||
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| 67 | !(type == WC_MD5 || type == WC_SHA || type == WC_SHA256 ||
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| 68 | type == WC_SHA384 || type == WC_SHA512)) {
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| 69 | return BAD_FUNC_ARG;
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| 70 | }
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| 71 |
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| 72 | return HmacSetKey_fips(hmac, type, key, keySz);
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| 73 | }
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| 74 | int wc_HmacUpdate(Hmac* hmac, const byte* in, word32 sz)
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| 75 | {
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| 76 | if (hmac == NULL || (in == NULL && sz > 0)) {
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| 77 | return BAD_FUNC_ARG;
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| 78 | }
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| 79 |
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| 80 | return HmacUpdate_fips(hmac, in, sz);
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| 81 | }
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| 82 | int wc_HmacFinal(Hmac* hmac, byte* out)
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| 83 | {
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| 84 | if (hmac == NULL) {
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| 85 | return BAD_FUNC_ARG;
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| 86 | }
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| 87 |
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| 88 | return HmacFinal_fips(hmac, out);
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| 89 | }
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| 90 | int wolfSSL_GetHmacMaxSize(void)
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| 91 | {
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| 92 | return CyaSSL_GetHmacMaxSize();
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| 93 | }
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| 94 |
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| 95 | int wc_HmacInit(Hmac* hmac, void* heap, int devId)
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| 96 | {
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| 97 | (void)hmac;
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| 98 | (void)heap;
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| 99 | (void)devId;
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| 100 | /* FIPS doesn't support:
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| 101 | return HmacInit(hmac, heap, devId); */
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| 102 | return 0;
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| 103 | }
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| 104 | void wc_HmacFree(Hmac* hmac)
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| 105 | {
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| 106 | (void)hmac;
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| 107 | /* FIPS doesn't support:
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| 108 | HmacFree(hmac); */
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| 109 | }
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| 110 |
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| 111 | #ifdef HAVE_HKDF
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| 112 | int wc_HKDF(int type, const byte* inKey, word32 inKeySz,
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| 113 | const byte* salt, word32 saltSz,
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| 114 | const byte* info, word32 infoSz,
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| 115 | byte* out, word32 outSz)
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| 116 | {
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| 117 | return HKDF(type, inKey, inKeySz, salt, saltSz,
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| 118 | info, infoSz, out, outSz);
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| 119 | }
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| 120 | #endif /* HAVE_HKDF */
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| 121 |
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| 122 | #else /* else build without fips, or for new fips */
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| 123 |
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| 124 |
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| 125 | int wc_HmacSizeByType(int type)
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| 126 | {
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| 127 | int ret;
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| 128 |
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| 129 | if (!(type == WC_MD5 || type == WC_SHA ||
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| 130 | type == WC_SHA224 || type == WC_SHA256 ||
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| 131 | type == WC_SHA384 || type == WC_SHA512 ||
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| 132 | type == WC_SHA3_224 || type == WC_SHA3_256 ||
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| 133 | type == WC_SHA3_384 || type == WC_SHA3_512)) {
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| 134 | return BAD_FUNC_ARG;
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| 135 | }
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| 136 |
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| 137 | switch (type) {
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| 138 | #ifndef NO_MD5
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| 139 | case WC_MD5:
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| 140 | ret = WC_MD5_DIGEST_SIZE;
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| 141 | break;
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| 142 | #endif /* !NO_MD5 */
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| 143 |
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| 144 | #ifndef NO_SHA
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| 145 | case WC_SHA:
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| 146 | ret = WC_SHA_DIGEST_SIZE;
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| 147 | break;
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| 148 | #endif /* !NO_SHA */
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| 149 |
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| 150 | #ifdef WOLFSSL_SHA224
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| 151 | case WC_SHA224:
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| 152 | ret = WC_SHA224_DIGEST_SIZE;
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| 153 | break;
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| 154 | #endif /* WOLFSSL_SHA224 */
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| 155 |
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| 156 | #ifndef NO_SHA256
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| 157 | case WC_SHA256:
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| 158 | ret = WC_SHA256_DIGEST_SIZE;
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| 159 | break;
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| 160 | #endif /* !NO_SHA256 */
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| 161 |
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| 162 | #ifdef WOLFSSL_SHA384
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| 163 | case WC_SHA384:
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| 164 | ret = WC_SHA384_DIGEST_SIZE;
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| 165 | break;
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| 166 | #endif /* WOLFSSL_SHA384 */
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| 167 | #ifdef WOLFSSL_SHA512
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| 168 | case WC_SHA512:
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| 169 | ret = WC_SHA512_DIGEST_SIZE;
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| 170 | break;
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| 171 | #endif /* WOLFSSL_SHA512 */
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| 172 |
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| 173 | #ifdef WOLFSSL_SHA3
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| 174 | case WC_SHA3_224:
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| 175 | ret = WC_SHA3_224_DIGEST_SIZE;
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| 176 | break;
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| 177 |
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| 178 | case WC_SHA3_256:
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| 179 | ret = WC_SHA3_256_DIGEST_SIZE;
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| 180 | break;
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| 181 |
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| 182 | case WC_SHA3_384:
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| 183 | ret = WC_SHA3_384_DIGEST_SIZE;
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| 184 | break;
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| 185 |
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| 186 | case WC_SHA3_512:
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| 187 | ret = WC_SHA3_512_DIGEST_SIZE;
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| 188 | break;
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| 189 |
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| 190 | #endif
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| 191 |
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| 192 | default:
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| 193 | ret = BAD_FUNC_ARG;
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| 194 | break;
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| 195 | }
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| 196 |
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| 197 | return ret;
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| 198 | }
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| 199 |
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| 200 | int _InitHmac(Hmac* hmac, int type, void* heap)
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| 201 | {
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| 202 | int ret = 0;
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| 203 |
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| 204 | switch (type) {
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| 205 | #ifndef NO_MD5
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| 206 | case WC_MD5:
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| 207 | ret = wc_InitMd5(&hmac->hash.md5);
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| 208 | break;
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| 209 | #endif /* !NO_MD5 */
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| 210 |
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| 211 | #ifndef NO_SHA
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| 212 | case WC_SHA:
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| 213 | ret = wc_InitSha(&hmac->hash.sha);
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| 214 | break;
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| 215 | #endif /* !NO_SHA */
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| 216 |
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| 217 | #ifdef WOLFSSL_SHA224
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| 218 | case WC_SHA224:
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| 219 | ret = wc_InitSha224(&hmac->hash.sha224);
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| 220 | break;
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| 221 | #endif /* WOLFSSL_SHA224 */
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| 222 |
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| 223 | #ifndef NO_SHA256
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| 224 | case WC_SHA256:
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| 225 | ret = wc_InitSha256(&hmac->hash.sha256);
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| 226 | break;
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| 227 | #endif /* !NO_SHA256 */
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| 228 |
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| 229 | #ifdef WOLFSSL_SHA384
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| 230 | case WC_SHA384:
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| 231 | ret = wc_InitSha384(&hmac->hash.sha384);
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| 232 | break;
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| 233 | #endif /* WOLFSSL_SHA384 */
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| 234 | #ifdef WOLFSSL_SHA512
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| 235 | case WC_SHA512:
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| 236 | ret = wc_InitSha512(&hmac->hash.sha512);
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| 237 | break;
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| 238 | #endif /* WOLFSSL_SHA512 */
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| 239 |
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| 240 | #ifdef WOLFSSL_SHA3
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| 241 | #ifndef WOLFSSL_NOSHA3_224
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| 242 | case WC_SHA3_224:
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| 243 | ret = wc_InitSha3_224(&hmac->hash.sha3, heap, INVALID_DEVID);
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| 244 | break;
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| 245 | #endif
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| 246 | #ifndef WOLFSSL_NOSHA3_256
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| 247 | case WC_SHA3_256:
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| 248 | ret = wc_InitSha3_256(&hmac->hash.sha3, heap, INVALID_DEVID);
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| 249 | break;
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| 250 | #endif
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| 251 | #ifndef WOLFSSL_NOSHA3_384
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| 252 | case WC_SHA3_384:
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| 253 | ret = wc_InitSha3_384(&hmac->hash.sha3, heap, INVALID_DEVID);
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| 254 | break;
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| 255 | #endif
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| 256 | #ifndef WOLFSSL_NOSHA3_512
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| 257 | case WC_SHA3_512:
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| 258 | ret = wc_InitSha3_512(&hmac->hash.sha3, heap, INVALID_DEVID);
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| 259 | break;
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| 260 | #endif
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| 261 | #endif
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| 262 |
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| 263 | default:
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| 264 | ret = BAD_FUNC_ARG;
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| 265 | break;
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| 266 | }
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| 267 |
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| 268 | /* default to NULL heap hint or test value */
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| 269 | #ifdef WOLFSSL_HEAP_TEST
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| 270 | hmac->heap = (void)WOLFSSL_HEAP_TEST;
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| 271 | #else
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| 272 | hmac->heap = heap;
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| 273 | #endif /* WOLFSSL_HEAP_TEST */
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| 274 |
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| 275 | return ret;
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| 276 | }
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| 277 |
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| 278 |
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| 279 | int wc_HmacSetKey(Hmac* hmac, int type, const byte* key, word32 length)
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| 280 | {
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| 281 | byte* ip;
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| 282 | byte* op;
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| 283 | word32 i, hmac_block_size = 0;
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| 284 | int ret = 0;
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| 285 | void* heap = NULL;
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| 286 |
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| 287 | if (hmac == NULL || (key == NULL && length != 0) ||
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| 288 | !(type == WC_MD5 || type == WC_SHA ||
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| 289 | type == WC_SHA224 || type == WC_SHA256 ||
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| 290 | type == WC_SHA384 || type == WC_SHA512 ||
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| 291 | type == WC_SHA3_224 || type == WC_SHA3_256 ||
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| 292 | type == WC_SHA3_384 || type == WC_SHA3_512)) {
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| 293 | return BAD_FUNC_ARG;
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| 294 | }
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| 295 |
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| 296 | #ifndef HAVE_FIPS
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| 297 | /* if set key has already been run then make sure and free existing */
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| 298 | /* This is for async and PIC32MZ situations, and just normally OK,
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| 299 | provided the user calls wc_HmacInit() first. That function is not
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| 300 | available in FIPS builds. In current FIPS builds, the hashes are
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| 301 | not allocating resources. */
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| 302 | if (hmac->macType != WC_HASH_TYPE_NONE) {
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| 303 | wc_HmacFree(hmac);
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| 304 | }
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| 305 | #endif
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| 306 |
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| 307 | hmac->innerHashKeyed = 0;
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| 308 | hmac->macType = (byte)type;
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| 309 |
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| 310 | ret = _InitHmac(hmac, type, heap);
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| 311 | if (ret != 0)
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| 312 | return ret;
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| 313 |
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| 314 | #ifdef HAVE_FIPS
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| 315 | if (length < HMAC_FIPS_MIN_KEY)
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| 316 | return HMAC_MIN_KEYLEN_E;
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| 317 | #endif
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| 318 |
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| 319 | #ifdef WOLF_CRYPTO_CB
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| 320 | hmac->keyRaw = key; /* use buffer directly */
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| 321 | hmac->keyLen = length;
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| 322 | #endif
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| 323 |
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| 324 | ip = (byte*)hmac->ipad;
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| 325 | op = (byte*)hmac->opad;
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| 326 |
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| 327 | switch (hmac->macType) {
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| 328 | #ifndef NO_MD5
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| 329 | case WC_MD5:
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| 330 | hmac_block_size = WC_MD5_BLOCK_SIZE;
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| 331 | if (length <= WC_MD5_BLOCK_SIZE) {
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| 332 | if (key != NULL) {
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| 333 | XMEMCPY(ip, key, length);
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| 334 | }
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| 335 | }
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| 336 | else {
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| 337 | ret = wc_Md5Update(&hmac->hash.md5, key, length);
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| 338 | if (ret != 0)
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| 339 | break;
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| 340 | ret = wc_Md5Final(&hmac->hash.md5, ip);
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| 341 | if (ret != 0)
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| 342 | break;
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| 343 | length = WC_MD5_DIGEST_SIZE;
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| 344 | }
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| 345 | break;
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| 346 | #endif /* !NO_MD5 */
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| 347 |
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| 348 | #ifndef NO_SHA
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| 349 | case WC_SHA:
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| 350 | hmac_block_size = WC_SHA_BLOCK_SIZE;
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| 351 | if (length <= WC_SHA_BLOCK_SIZE) {
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| 352 | if (key != NULL) {
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| 353 | XMEMCPY(ip, key, length);
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| 354 | }
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| 355 | }
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| 356 | else {
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| 357 | ret = wc_ShaUpdate(&hmac->hash.sha, key, length);
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| 358 | if (ret != 0)
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| 359 | break;
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| 360 | ret = wc_ShaFinal(&hmac->hash.sha, ip);
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| 361 | if (ret != 0)
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| 362 | break;
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| 363 |
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| 364 | length = WC_SHA_DIGEST_SIZE;
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| 365 | }
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| 366 | break;
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| 367 | #endif /* !NO_SHA */
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| 368 |
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| 369 | #ifdef WOLFSSL_SHA224
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| 370 | case WC_SHA224:
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| 371 | hmac_block_size = WC_SHA224_BLOCK_SIZE;
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| 372 | if (length <= WC_SHA224_BLOCK_SIZE) {
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| 373 | if (key != NULL) {
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| 374 | XMEMCPY(ip, key, length);
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| 375 | }
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| 376 | }
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| 377 | else {
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| 378 | ret = wc_Sha224Update(&hmac->hash.sha224, key, length);
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| 379 | if (ret != 0)
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| 380 | break;
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| 381 | ret = wc_Sha224Final(&hmac->hash.sha224, ip);
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| 382 | if (ret != 0)
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| 383 | break;
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| 384 |
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| 385 | length = WC_SHA224_DIGEST_SIZE;
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| 386 | }
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| 387 | break;
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| 388 | #endif /* WOLFSSL_SHA224 */
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| 389 | #ifndef NO_SHA256
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| 390 | case WC_SHA256:
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| 391 | hmac_block_size = WC_SHA256_BLOCK_SIZE;
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| 392 | if (length <= WC_SHA256_BLOCK_SIZE) {
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| 393 | if (key != NULL) {
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| 394 | XMEMCPY(ip, key, length);
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| 395 | }
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| 396 | }
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| 397 | else {
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| 398 | ret = wc_Sha256Update(&hmac->hash.sha256, key, length);
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| 399 | if (ret != 0)
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| 400 | break;
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| 401 | ret = wc_Sha256Final(&hmac->hash.sha256, ip);
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| 402 | if (ret != 0)
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| 403 | break;
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| 404 |
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| 405 | length = WC_SHA256_DIGEST_SIZE;
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| 406 | }
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| 407 | break;
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| 408 | #endif /* !NO_SHA256 */
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| 409 |
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| 410 | #ifdef WOLFSSL_SHA384
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| 411 | case WC_SHA384:
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| 412 | hmac_block_size = WC_SHA384_BLOCK_SIZE;
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| 413 | if (length <= WC_SHA384_BLOCK_SIZE) {
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| 414 | if (key != NULL) {
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| 415 | XMEMCPY(ip, key, length);
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| 416 | }
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| 417 | }
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| 418 | else {
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| 419 | ret = wc_Sha384Update(&hmac->hash.sha384, key, length);
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| 420 | if (ret != 0)
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| 421 | break;
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| 422 | ret = wc_Sha384Final(&hmac->hash.sha384, ip);
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| 423 | if (ret != 0)
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| 424 | break;
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| 425 |
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| 426 | length = WC_SHA384_DIGEST_SIZE;
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| 427 | }
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| 428 | break;
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| 429 | #endif /* WOLFSSL_SHA384 */
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| 430 | #ifdef WOLFSSL_SHA512
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| 431 | case WC_SHA512:
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| 432 | hmac_block_size = WC_SHA512_BLOCK_SIZE;
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| 433 | if (length <= WC_SHA512_BLOCK_SIZE) {
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| 434 | if (key != NULL) {
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| 435 | XMEMCPY(ip, key, length);
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| 436 | }
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| 437 | }
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| 438 | else {
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| 439 | ret = wc_Sha512Update(&hmac->hash.sha512, key, length);
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| 440 | if (ret != 0)
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| 441 | break;
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| 442 | ret = wc_Sha512Final(&hmac->hash.sha512, ip);
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| 443 | if (ret != 0)
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| 444 | break;
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| 445 |
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| 446 | length = WC_SHA512_DIGEST_SIZE;
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| 447 | }
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| 448 | break;
|
---|
| 449 | #endif /* WOLFSSL_SHA512 */
|
---|
| 450 |
|
---|
| 451 | #ifdef WOLFSSL_SHA3
|
---|
| 452 | #ifndef WOLFSSL_NOSHA3_224
|
---|
| 453 | case WC_SHA3_224:
|
---|
| 454 | hmac_block_size = WC_SHA3_224_BLOCK_SIZE;
|
---|
| 455 | if (length <= WC_SHA3_224_BLOCK_SIZE) {
|
---|
| 456 | if (key != NULL) {
|
---|
| 457 | XMEMCPY(ip, key, length);
|
---|
| 458 | }
|
---|
| 459 | }
|
---|
| 460 | else {
|
---|
| 461 | ret = wc_Sha3_224_Update(&hmac->hash.sha3, key, length);
|
---|
| 462 | if (ret != 0)
|
---|
| 463 | break;
|
---|
| 464 | ret = wc_Sha3_224_Final(&hmac->hash.sha3, ip);
|
---|
| 465 | if (ret != 0)
|
---|
| 466 | break;
|
---|
| 467 |
|
---|
| 468 | length = WC_SHA3_224_DIGEST_SIZE;
|
---|
| 469 | }
|
---|
| 470 | break;
|
---|
| 471 | #endif
|
---|
| 472 | #ifndef WOLFSSL_NOSHA3_256
|
---|
| 473 | case WC_SHA3_256:
|
---|
| 474 | hmac_block_size = WC_SHA3_256_BLOCK_SIZE;
|
---|
| 475 | if (length <= WC_SHA3_256_BLOCK_SIZE) {
|
---|
| 476 | if (key != NULL) {
|
---|
| 477 | XMEMCPY(ip, key, length);
|
---|
| 478 | }
|
---|
| 479 | }
|
---|
| 480 | else {
|
---|
| 481 | ret = wc_Sha3_256_Update(&hmac->hash.sha3, key, length);
|
---|
| 482 | if (ret != 0)
|
---|
| 483 | break;
|
---|
| 484 | ret = wc_Sha3_256_Final(&hmac->hash.sha3, ip);
|
---|
| 485 | if (ret != 0)
|
---|
| 486 | break;
|
---|
| 487 |
|
---|
| 488 | length = WC_SHA3_256_DIGEST_SIZE;
|
---|
| 489 | }
|
---|
| 490 | break;
|
---|
| 491 | #endif
|
---|
| 492 | #ifndef WOLFSSL_NOSHA3_384
|
---|
| 493 | case WC_SHA3_384:
|
---|
| 494 | hmac_block_size = WC_SHA3_384_BLOCK_SIZE;
|
---|
| 495 | if (length <= WC_SHA3_384_BLOCK_SIZE) {
|
---|
| 496 | if (key != NULL) {
|
---|
| 497 | XMEMCPY(ip, key, length);
|
---|
| 498 | }
|
---|
| 499 | }
|
---|
| 500 | else {
|
---|
| 501 | ret = wc_Sha3_384_Update(&hmac->hash.sha3, key, length);
|
---|
| 502 | if (ret != 0)
|
---|
| 503 | break;
|
---|
| 504 | ret = wc_Sha3_384_Final(&hmac->hash.sha3, ip);
|
---|
| 505 | if (ret != 0)
|
---|
| 506 | break;
|
---|
| 507 |
|
---|
| 508 | length = WC_SHA3_384_DIGEST_SIZE;
|
---|
| 509 | }
|
---|
| 510 | break;
|
---|
| 511 | #endif
|
---|
| 512 | #ifndef WOLFSSL_NOSHA3_512
|
---|
| 513 | case WC_SHA3_512:
|
---|
| 514 | hmac_block_size = WC_SHA3_512_BLOCK_SIZE;
|
---|
| 515 | if (length <= WC_SHA3_512_BLOCK_SIZE) {
|
---|
| 516 | if (key != NULL) {
|
---|
| 517 | XMEMCPY(ip, key, length);
|
---|
| 518 | }
|
---|
| 519 | }
|
---|
| 520 | else {
|
---|
| 521 | ret = wc_Sha3_512_Update(&hmac->hash.sha3, key, length);
|
---|
| 522 | if (ret != 0)
|
---|
| 523 | break;
|
---|
| 524 | ret = wc_Sha3_512_Final(&hmac->hash.sha3, ip);
|
---|
| 525 | if (ret != 0)
|
---|
| 526 | break;
|
---|
| 527 |
|
---|
| 528 | length = WC_SHA3_512_DIGEST_SIZE;
|
---|
| 529 | }
|
---|
| 530 | break;
|
---|
| 531 | #endif
|
---|
| 532 | #endif /* WOLFSSL_SHA3 */
|
---|
| 533 |
|
---|
| 534 | default:
|
---|
| 535 | return BAD_FUNC_ARG;
|
---|
| 536 | }
|
---|
| 537 |
|
---|
| 538 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
---|
| 539 | if (hmac->asyncDev.marker == WOLFSSL_ASYNC_MARKER_HMAC) {
|
---|
| 540 | #if defined(HAVE_INTEL_QA) || defined(HAVE_CAVIUM)
|
---|
| 541 | #ifdef HAVE_INTEL_QA
|
---|
| 542 | if (IntelQaHmacGetType(hmac->macType, NULL) == 0)
|
---|
| 543 | #endif
|
---|
| 544 | {
|
---|
| 545 | if (length > hmac_block_size)
|
---|
| 546 | length = hmac_block_size;
|
---|
| 547 | /* update key length */
|
---|
| 548 | hmac->keyLen = (word16)length;
|
---|
| 549 |
|
---|
| 550 | return ret;
|
---|
| 551 | }
|
---|
| 552 | /* no need to pad below */
|
---|
| 553 | #endif
|
---|
| 554 | }
|
---|
| 555 | #endif
|
---|
| 556 |
|
---|
| 557 | if (ret == 0) {
|
---|
| 558 | if (length < hmac_block_size)
|
---|
| 559 | XMEMSET(ip + length, 0, hmac_block_size - length);
|
---|
| 560 |
|
---|
| 561 | for(i = 0; i < hmac_block_size; i++) {
|
---|
| 562 | op[i] = ip[i] ^ OPAD;
|
---|
| 563 | ip[i] ^= IPAD;
|
---|
| 564 | }
|
---|
| 565 | }
|
---|
| 566 |
|
---|
| 567 | return ret;
|
---|
| 568 | }
|
---|
| 569 |
|
---|
| 570 |
|
---|
| 571 | static int HmacKeyInnerHash(Hmac* hmac)
|
---|
| 572 | {
|
---|
| 573 | int ret = 0;
|
---|
| 574 |
|
---|
| 575 | switch (hmac->macType) {
|
---|
| 576 | #ifndef NO_MD5
|
---|
| 577 | case WC_MD5:
|
---|
| 578 | ret = wc_Md5Update(&hmac->hash.md5, (byte*)hmac->ipad,
|
---|
| 579 | WC_MD5_BLOCK_SIZE);
|
---|
| 580 | break;
|
---|
| 581 | #endif /* !NO_MD5 */
|
---|
| 582 |
|
---|
| 583 | #ifndef NO_SHA
|
---|
| 584 | case WC_SHA:
|
---|
| 585 | ret = wc_ShaUpdate(&hmac->hash.sha, (byte*)hmac->ipad,
|
---|
| 586 | WC_SHA_BLOCK_SIZE);
|
---|
| 587 | break;
|
---|
| 588 | #endif /* !NO_SHA */
|
---|
| 589 |
|
---|
| 590 | #ifdef WOLFSSL_SHA224
|
---|
| 591 | case WC_SHA224:
|
---|
| 592 | ret = wc_Sha224Update(&hmac->hash.sha224, (byte*)hmac->ipad,
|
---|
| 593 | WC_SHA224_BLOCK_SIZE);
|
---|
| 594 | break;
|
---|
| 595 | #endif /* WOLFSSL_SHA224 */
|
---|
| 596 | #ifndef NO_SHA256
|
---|
| 597 | case WC_SHA256:
|
---|
| 598 | ret = wc_Sha256Update(&hmac->hash.sha256, (byte*)hmac->ipad,
|
---|
| 599 | WC_SHA256_BLOCK_SIZE);
|
---|
| 600 | break;
|
---|
| 601 | #endif /* !NO_SHA256 */
|
---|
| 602 |
|
---|
| 603 | #ifdef WOLFSSL_SHA384
|
---|
| 604 | case WC_SHA384:
|
---|
| 605 | ret = wc_Sha384Update(&hmac->hash.sha384, (byte*)hmac->ipad,
|
---|
| 606 | WC_SHA384_BLOCK_SIZE);
|
---|
| 607 | break;
|
---|
| 608 | #endif /* WOLFSSL_SHA384 */
|
---|
| 609 | #ifdef WOLFSSL_SHA512
|
---|
| 610 | case WC_SHA512:
|
---|
| 611 | ret = wc_Sha512Update(&hmac->hash.sha512, (byte*)hmac->ipad,
|
---|
| 612 | WC_SHA512_BLOCK_SIZE);
|
---|
| 613 | break;
|
---|
| 614 | #endif /* WOLFSSL_SHA512 */
|
---|
| 615 |
|
---|
| 616 | #ifdef WOLFSSL_SHA3
|
---|
| 617 | #ifndef WOLFSSL_NOSHA3_224
|
---|
| 618 | case WC_SHA3_224:
|
---|
| 619 | ret = wc_Sha3_224_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
|
---|
| 620 | WC_SHA3_224_BLOCK_SIZE);
|
---|
| 621 | break;
|
---|
| 622 | #endif
|
---|
| 623 | #ifndef WOLFSSL_NOSHA3_256
|
---|
| 624 | case WC_SHA3_256:
|
---|
| 625 | ret = wc_Sha3_256_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
|
---|
| 626 | WC_SHA3_256_BLOCK_SIZE);
|
---|
| 627 | break;
|
---|
| 628 | #endif
|
---|
| 629 | #ifndef WOLFSSL_NOSHA3_384
|
---|
| 630 | case WC_SHA3_384:
|
---|
| 631 | ret = wc_Sha3_384_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
|
---|
| 632 | WC_SHA3_384_BLOCK_SIZE);
|
---|
| 633 | break;
|
---|
| 634 | #endif
|
---|
| 635 | #ifndef WOLFSSL_NOSHA3_512
|
---|
| 636 | case WC_SHA3_512:
|
---|
| 637 | ret = wc_Sha3_512_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
|
---|
| 638 | WC_SHA3_512_BLOCK_SIZE);
|
---|
| 639 | break;
|
---|
| 640 | #endif
|
---|
| 641 | #endif /* WOLFSSL_SHA3 */
|
---|
| 642 |
|
---|
| 643 | default:
|
---|
| 644 | break;
|
---|
| 645 | }
|
---|
| 646 |
|
---|
| 647 | if (ret == 0)
|
---|
| 648 | hmac->innerHashKeyed = WC_HMAC_INNER_HASH_KEYED_SW;
|
---|
| 649 |
|
---|
| 650 | return ret;
|
---|
| 651 | }
|
---|
| 652 |
|
---|
| 653 |
|
---|
| 654 | int wc_HmacUpdate(Hmac* hmac, const byte* msg, word32 length)
|
---|
| 655 | {
|
---|
| 656 | int ret = 0;
|
---|
| 657 |
|
---|
| 658 | if (hmac == NULL || (msg == NULL && length > 0)) {
|
---|
| 659 | return BAD_FUNC_ARG;
|
---|
| 660 | }
|
---|
| 661 |
|
---|
| 662 | #ifdef WOLF_CRYPTO_CB
|
---|
| 663 | if (hmac->devId != INVALID_DEVID) {
|
---|
| 664 | ret = wc_CryptoCb_Hmac(hmac, hmac->macType, msg, length, NULL);
|
---|
| 665 | if (ret != CRYPTOCB_UNAVAILABLE)
|
---|
| 666 | return ret;
|
---|
| 667 | /* fall-through when unavailable */
|
---|
| 668 | ret = 0; /* reset error code */
|
---|
| 669 | }
|
---|
| 670 | #endif
|
---|
| 671 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
---|
| 672 | if (hmac->asyncDev.marker == WOLFSSL_ASYNC_MARKER_HMAC) {
|
---|
| 673 | #if defined(HAVE_CAVIUM)
|
---|
| 674 | return NitroxHmacUpdate(hmac, msg, length);
|
---|
| 675 | #elif defined(HAVE_INTEL_QA)
|
---|
| 676 | if (IntelQaHmacGetType(hmac->macType, NULL) == 0) {
|
---|
| 677 | return IntelQaHmac(&hmac->asyncDev, hmac->macType,
|
---|
| 678 | (byte*)hmac->ipad, hmac->keyLen, NULL, msg, length);
|
---|
| 679 | }
|
---|
| 680 | #endif
|
---|
| 681 | }
|
---|
| 682 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 683 |
|
---|
| 684 | if (!hmac->innerHashKeyed) {
|
---|
| 685 | ret = HmacKeyInnerHash(hmac);
|
---|
| 686 | if (ret != 0)
|
---|
| 687 | return ret;
|
---|
| 688 | }
|
---|
| 689 |
|
---|
| 690 | switch (hmac->macType) {
|
---|
| 691 | #ifndef NO_MD5
|
---|
| 692 | case WC_MD5:
|
---|
| 693 | ret = wc_Md5Update(&hmac->hash.md5, msg, length);
|
---|
| 694 | break;
|
---|
| 695 | #endif /* !NO_MD5 */
|
---|
| 696 |
|
---|
| 697 | #ifndef NO_SHA
|
---|
| 698 | case WC_SHA:
|
---|
| 699 | ret = wc_ShaUpdate(&hmac->hash.sha, msg, length);
|
---|
| 700 | break;
|
---|
| 701 | #endif /* !NO_SHA */
|
---|
| 702 |
|
---|
| 703 | #ifdef WOLFSSL_SHA224
|
---|
| 704 | case WC_SHA224:
|
---|
| 705 | ret = wc_Sha224Update(&hmac->hash.sha224, msg, length);
|
---|
| 706 | break;
|
---|
| 707 | #endif /* WOLFSSL_SHA224 */
|
---|
| 708 |
|
---|
| 709 | #ifndef NO_SHA256
|
---|
| 710 | case WC_SHA256:
|
---|
| 711 | ret = wc_Sha256Update(&hmac->hash.sha256, msg, length);
|
---|
| 712 | break;
|
---|
| 713 | #endif /* !NO_SHA256 */
|
---|
| 714 |
|
---|
| 715 | #ifdef WOLFSSL_SHA384
|
---|
| 716 | case WC_SHA384:
|
---|
| 717 | ret = wc_Sha384Update(&hmac->hash.sha384, msg, length);
|
---|
| 718 | break;
|
---|
| 719 | #endif /* WOLFSSL_SHA384 */
|
---|
| 720 | #ifdef WOLFSSL_SHA512
|
---|
| 721 | case WC_SHA512:
|
---|
| 722 | ret = wc_Sha512Update(&hmac->hash.sha512, msg, length);
|
---|
| 723 | break;
|
---|
| 724 | #endif /* WOLFSSL_SHA512 */
|
---|
| 725 |
|
---|
| 726 | #ifdef WOLFSSL_SHA3
|
---|
| 727 | #ifndef WOLFSSL_NOSHA3_224
|
---|
| 728 | case WC_SHA3_224:
|
---|
| 729 | ret = wc_Sha3_224_Update(&hmac->hash.sha3, msg, length);
|
---|
| 730 | break;
|
---|
| 731 | #endif
|
---|
| 732 | #ifndef WOLFSSL_NOSHA3_256
|
---|
| 733 | case WC_SHA3_256:
|
---|
| 734 | ret = wc_Sha3_256_Update(&hmac->hash.sha3, msg, length);
|
---|
| 735 | break;
|
---|
| 736 | #endif
|
---|
| 737 | #ifndef WOLFSSL_NOSHA3_384
|
---|
| 738 | case WC_SHA3_384:
|
---|
| 739 | ret = wc_Sha3_384_Update(&hmac->hash.sha3, msg, length);
|
---|
| 740 | break;
|
---|
| 741 | #endif
|
---|
| 742 | #ifndef WOLFSSL_NOSHA3_512
|
---|
| 743 | case WC_SHA3_512:
|
---|
| 744 | ret = wc_Sha3_512_Update(&hmac->hash.sha3, msg, length);
|
---|
| 745 | break;
|
---|
| 746 | #endif
|
---|
| 747 | #endif /* WOLFSSL_SHA3 */
|
---|
| 748 |
|
---|
| 749 | default:
|
---|
| 750 | break;
|
---|
| 751 | }
|
---|
| 752 |
|
---|
| 753 | return ret;
|
---|
| 754 | }
|
---|
| 755 |
|
---|
| 756 |
|
---|
| 757 | int wc_HmacFinal(Hmac* hmac, byte* hash)
|
---|
| 758 | {
|
---|
| 759 | int ret;
|
---|
| 760 |
|
---|
| 761 | if (hmac == NULL || hash == NULL) {
|
---|
| 762 | return BAD_FUNC_ARG;
|
---|
| 763 | }
|
---|
| 764 |
|
---|
| 765 | #ifdef WOLF_CRYPTO_CB
|
---|
| 766 | if (hmac->devId != INVALID_DEVID) {
|
---|
| 767 | ret = wc_CryptoCb_Hmac(hmac, hmac->macType, NULL, 0, hash);
|
---|
| 768 | if (ret != CRYPTOCB_UNAVAILABLE)
|
---|
| 769 | return ret;
|
---|
| 770 | /* fall-through when unavailable */
|
---|
| 771 | }
|
---|
| 772 | #endif
|
---|
| 773 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
---|
| 774 | if (hmac->asyncDev.marker == WOLFSSL_ASYNC_MARKER_HMAC) {
|
---|
| 775 | int hashLen = wc_HmacSizeByType(hmac->macType);
|
---|
| 776 | if (hashLen <= 0)
|
---|
| 777 | return hashLen;
|
---|
| 778 |
|
---|
| 779 | #if defined(HAVE_CAVIUM)
|
---|
| 780 | return NitroxHmacFinal(hmac, hash, hashLen);
|
---|
| 781 | #elif defined(HAVE_INTEL_QA)
|
---|
| 782 | if (IntelQaHmacGetType(hmac->macType, NULL) == 0) {
|
---|
| 783 | return IntelQaHmac(&hmac->asyncDev, hmac->macType,
|
---|
| 784 | (byte*)hmac->ipad, hmac->keyLen, hash, NULL, hashLen);
|
---|
| 785 | }
|
---|
| 786 | #endif
|
---|
| 787 | }
|
---|
| 788 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 789 |
|
---|
| 790 | if (!hmac->innerHashKeyed) {
|
---|
| 791 | ret = HmacKeyInnerHash(hmac);
|
---|
| 792 | if (ret != 0)
|
---|
| 793 | return ret;
|
---|
| 794 | }
|
---|
| 795 |
|
---|
| 796 | switch (hmac->macType) {
|
---|
| 797 | #ifndef NO_MD5
|
---|
| 798 | case WC_MD5:
|
---|
| 799 | ret = wc_Md5Final(&hmac->hash.md5, (byte*)hmac->innerHash);
|
---|
| 800 | if (ret != 0)
|
---|
| 801 | break;
|
---|
| 802 | ret = wc_Md5Update(&hmac->hash.md5, (byte*)hmac->opad,
|
---|
| 803 | WC_MD5_BLOCK_SIZE);
|
---|
| 804 | if (ret != 0)
|
---|
| 805 | break;
|
---|
| 806 | ret = wc_Md5Update(&hmac->hash.md5, (byte*)hmac->innerHash,
|
---|
| 807 | WC_MD5_DIGEST_SIZE);
|
---|
| 808 | if (ret != 0)
|
---|
| 809 | break;
|
---|
| 810 | ret = wc_Md5Final(&hmac->hash.md5, hash);
|
---|
| 811 | break;
|
---|
| 812 | #endif /* !NO_MD5 */
|
---|
| 813 |
|
---|
| 814 | #ifndef NO_SHA
|
---|
| 815 | case WC_SHA:
|
---|
| 816 | ret = wc_ShaFinal(&hmac->hash.sha, (byte*)hmac->innerHash);
|
---|
| 817 | if (ret != 0)
|
---|
| 818 | break;
|
---|
| 819 | ret = wc_ShaUpdate(&hmac->hash.sha, (byte*)hmac->opad,
|
---|
| 820 | WC_SHA_BLOCK_SIZE);
|
---|
| 821 | if (ret != 0)
|
---|
| 822 | break;
|
---|
| 823 | ret = wc_ShaUpdate(&hmac->hash.sha, (byte*)hmac->innerHash,
|
---|
| 824 | WC_SHA_DIGEST_SIZE);
|
---|
| 825 | if (ret != 0)
|
---|
| 826 | break;
|
---|
| 827 | ret = wc_ShaFinal(&hmac->hash.sha, hash);
|
---|
| 828 | break;
|
---|
| 829 | #endif /* !NO_SHA */
|
---|
| 830 |
|
---|
| 831 | #ifdef WOLFSSL_SHA224
|
---|
| 832 | case WC_SHA224:
|
---|
| 833 | ret = wc_Sha224Final(&hmac->hash.sha224, (byte*)hmac->innerHash);
|
---|
| 834 | if (ret != 0)
|
---|
| 835 | break;
|
---|
| 836 | ret = wc_Sha224Update(&hmac->hash.sha224, (byte*)hmac->opad,
|
---|
| 837 | WC_SHA224_BLOCK_SIZE);
|
---|
| 838 | if (ret != 0)
|
---|
| 839 | break;
|
---|
| 840 | ret = wc_Sha224Update(&hmac->hash.sha224, (byte*)hmac->innerHash,
|
---|
| 841 | WC_SHA224_DIGEST_SIZE);
|
---|
| 842 | if (ret != 0)
|
---|
| 843 | break;
|
---|
| 844 | ret = wc_Sha224Final(&hmac->hash.sha224, hash);
|
---|
| 845 | if (ret != 0)
|
---|
| 846 | break;
|
---|
| 847 | break;
|
---|
| 848 | #endif /* WOLFSSL_SHA224 */
|
---|
| 849 | #ifndef NO_SHA256
|
---|
| 850 | case WC_SHA256:
|
---|
| 851 | ret = wc_Sha256Final(&hmac->hash.sha256, (byte*)hmac->innerHash);
|
---|
| 852 | if (ret != 0)
|
---|
| 853 | break;
|
---|
| 854 | ret = wc_Sha256Update(&hmac->hash.sha256, (byte*)hmac->opad,
|
---|
| 855 | WC_SHA256_BLOCK_SIZE);
|
---|
| 856 | if (ret != 0)
|
---|
| 857 | break;
|
---|
| 858 | ret = wc_Sha256Update(&hmac->hash.sha256, (byte*)hmac->innerHash,
|
---|
| 859 | WC_SHA256_DIGEST_SIZE);
|
---|
| 860 | if (ret != 0)
|
---|
| 861 | break;
|
---|
| 862 | ret = wc_Sha256Final(&hmac->hash.sha256, hash);
|
---|
| 863 | break;
|
---|
| 864 | #endif /* !NO_SHA256 */
|
---|
| 865 |
|
---|
| 866 | #ifdef WOLFSSL_SHA384
|
---|
| 867 | case WC_SHA384:
|
---|
| 868 | ret = wc_Sha384Final(&hmac->hash.sha384, (byte*)hmac->innerHash);
|
---|
| 869 | if (ret != 0)
|
---|
| 870 | break;
|
---|
| 871 | ret = wc_Sha384Update(&hmac->hash.sha384, (byte*)hmac->opad,
|
---|
| 872 | WC_SHA384_BLOCK_SIZE);
|
---|
| 873 | if (ret != 0)
|
---|
| 874 | break;
|
---|
| 875 | ret = wc_Sha384Update(&hmac->hash.sha384, (byte*)hmac->innerHash,
|
---|
| 876 | WC_SHA384_DIGEST_SIZE);
|
---|
| 877 | if (ret != 0)
|
---|
| 878 | break;
|
---|
| 879 | ret = wc_Sha384Final(&hmac->hash.sha384, hash);
|
---|
| 880 | break;
|
---|
| 881 | #endif /* WOLFSSL_SHA384 */
|
---|
| 882 | #ifdef WOLFSSL_SHA512
|
---|
| 883 | case WC_SHA512:
|
---|
| 884 | ret = wc_Sha512Final(&hmac->hash.sha512, (byte*)hmac->innerHash);
|
---|
| 885 | if (ret != 0)
|
---|
| 886 | break;
|
---|
| 887 | ret = wc_Sha512Update(&hmac->hash.sha512, (byte*)hmac->opad,
|
---|
| 888 | WC_SHA512_BLOCK_SIZE);
|
---|
| 889 | if (ret != 0)
|
---|
| 890 | break;
|
---|
| 891 | ret = wc_Sha512Update(&hmac->hash.sha512, (byte*)hmac->innerHash,
|
---|
| 892 | WC_SHA512_DIGEST_SIZE);
|
---|
| 893 | if (ret != 0)
|
---|
| 894 | break;
|
---|
| 895 | ret = wc_Sha512Final(&hmac->hash.sha512, hash);
|
---|
| 896 | break;
|
---|
| 897 | #endif /* WOLFSSL_SHA512 */
|
---|
| 898 |
|
---|
| 899 | #ifdef WOLFSSL_SHA3
|
---|
| 900 | #ifndef WOLFSSL_NOSHA3_224
|
---|
| 901 | case WC_SHA3_224:
|
---|
| 902 | ret = wc_Sha3_224_Final(&hmac->hash.sha3, (byte*)hmac->innerHash);
|
---|
| 903 | if (ret != 0)
|
---|
| 904 | break;
|
---|
| 905 | ret = wc_Sha3_224_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
---|
| 906 | WC_SHA3_224_BLOCK_SIZE);
|
---|
| 907 | if (ret != 0)
|
---|
| 908 | break;
|
---|
| 909 | ret = wc_Sha3_224_Update(&hmac->hash.sha3, (byte*)hmac->innerHash,
|
---|
| 910 | WC_SHA3_224_DIGEST_SIZE);
|
---|
| 911 | if (ret != 0)
|
---|
| 912 | break;
|
---|
| 913 | ret = wc_Sha3_224_Final(&hmac->hash.sha3, hash);
|
---|
| 914 | break;
|
---|
| 915 | #endif
|
---|
| 916 | #ifndef WOLFSSL_NOSHA3_256
|
---|
| 917 | case WC_SHA3_256:
|
---|
| 918 | ret = wc_Sha3_256_Final(&hmac->hash.sha3, (byte*)hmac->innerHash);
|
---|
| 919 | if (ret != 0)
|
---|
| 920 | break;
|
---|
| 921 | ret = wc_Sha3_256_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
---|
| 922 | WC_SHA3_256_BLOCK_SIZE);
|
---|
| 923 | if (ret != 0)
|
---|
| 924 | break;
|
---|
| 925 | ret = wc_Sha3_256_Update(&hmac->hash.sha3, (byte*)hmac->innerHash,
|
---|
| 926 | WC_SHA3_256_DIGEST_SIZE);
|
---|
| 927 | if (ret != 0)
|
---|
| 928 | break;
|
---|
| 929 | ret = wc_Sha3_256_Final(&hmac->hash.sha3, hash);
|
---|
| 930 | break;
|
---|
| 931 | #endif
|
---|
| 932 | #ifndef WOLFSSL_NOSHA3_384
|
---|
| 933 | case WC_SHA3_384:
|
---|
| 934 | ret = wc_Sha3_384_Final(&hmac->hash.sha3, (byte*)hmac->innerHash);
|
---|
| 935 | if (ret != 0)
|
---|
| 936 | break;
|
---|
| 937 | ret = wc_Sha3_384_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
---|
| 938 | WC_SHA3_384_BLOCK_SIZE);
|
---|
| 939 | if (ret != 0)
|
---|
| 940 | break;
|
---|
| 941 | ret = wc_Sha3_384_Update(&hmac->hash.sha3, (byte*)hmac->innerHash,
|
---|
| 942 | WC_SHA3_384_DIGEST_SIZE);
|
---|
| 943 | if (ret != 0)
|
---|
| 944 | break;
|
---|
| 945 | ret = wc_Sha3_384_Final(&hmac->hash.sha3, hash);
|
---|
| 946 | break;
|
---|
| 947 | #endif
|
---|
| 948 | #ifndef WOLFSSL_NOSHA3_512
|
---|
| 949 | case WC_SHA3_512:
|
---|
| 950 | ret = wc_Sha3_512_Final(&hmac->hash.sha3, (byte*)hmac->innerHash);
|
---|
| 951 | if (ret != 0)
|
---|
| 952 | break;
|
---|
| 953 | ret = wc_Sha3_512_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
---|
| 954 | WC_SHA3_512_BLOCK_SIZE);
|
---|
| 955 | if (ret != 0)
|
---|
| 956 | break;
|
---|
| 957 | ret = wc_Sha3_512_Update(&hmac->hash.sha3, (byte*)hmac->innerHash,
|
---|
| 958 | WC_SHA3_512_DIGEST_SIZE);
|
---|
| 959 | if (ret != 0)
|
---|
| 960 | break;
|
---|
| 961 | ret = wc_Sha3_512_Final(&hmac->hash.sha3, hash);
|
---|
| 962 | break;
|
---|
| 963 | #endif
|
---|
| 964 | #endif /* WOLFSSL_SHA3 */
|
---|
| 965 |
|
---|
| 966 | default:
|
---|
| 967 | ret = BAD_FUNC_ARG;
|
---|
| 968 | break;
|
---|
| 969 | }
|
---|
| 970 |
|
---|
| 971 | if (ret == 0) {
|
---|
| 972 | hmac->innerHashKeyed = 0;
|
---|
| 973 | }
|
---|
| 974 |
|
---|
| 975 | return ret;
|
---|
| 976 | }
|
---|
| 977 |
|
---|
| 978 |
|
---|
| 979 | /* Initialize Hmac for use with async device */
|
---|
| 980 | int wc_HmacInit(Hmac* hmac, void* heap, int devId)
|
---|
| 981 | {
|
---|
| 982 | int ret = 0;
|
---|
| 983 |
|
---|
| 984 | if (hmac == NULL)
|
---|
| 985 | return BAD_FUNC_ARG;
|
---|
| 986 |
|
---|
| 987 | XMEMSET(hmac, 0, sizeof(Hmac));
|
---|
| 988 | hmac->macType = WC_HASH_TYPE_NONE;
|
---|
| 989 | hmac->heap = heap;
|
---|
| 990 | #ifdef WOLF_CRYPTO_CB
|
---|
| 991 | hmac->devId = devId;
|
---|
| 992 | hmac->devCtx = NULL;
|
---|
| 993 | #endif
|
---|
| 994 |
|
---|
| 995 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
---|
| 996 | ret = wolfAsync_DevCtxInit(&hmac->asyncDev, WOLFSSL_ASYNC_MARKER_HMAC,
|
---|
| 997 | hmac->heap, devId);
|
---|
| 998 | #else
|
---|
| 999 | (void)devId;
|
---|
| 1000 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 1001 |
|
---|
| 1002 | return ret;
|
---|
| 1003 | }
|
---|
| 1004 |
|
---|
| 1005 | #ifdef HAVE_PKCS11
|
---|
| 1006 | int wc_HmacInit_Id(Hmac* hmac, unsigned char* id, int len, void* heap,
|
---|
| 1007 | int devId)
|
---|
| 1008 | {
|
---|
| 1009 | int ret = 0;
|
---|
| 1010 |
|
---|
| 1011 | if (hmac == NULL)
|
---|
| 1012 | ret = BAD_FUNC_ARG;
|
---|
| 1013 | if (ret == 0 && (len < 0 || len > HMAC_MAX_ID_LEN))
|
---|
| 1014 | ret = BUFFER_E;
|
---|
| 1015 |
|
---|
| 1016 | if (ret == 0)
|
---|
| 1017 | ret = wc_HmacInit(hmac, heap, devId);
|
---|
| 1018 | if (ret == 0) {
|
---|
| 1019 | XMEMCPY(hmac->id, id, len);
|
---|
| 1020 | hmac->idLen = len;
|
---|
| 1021 | }
|
---|
| 1022 |
|
---|
| 1023 | return ret;
|
---|
| 1024 | }
|
---|
| 1025 | #endif
|
---|
| 1026 |
|
---|
| 1027 | /* Free Hmac from use with async device */
|
---|
| 1028 | void wc_HmacFree(Hmac* hmac)
|
---|
| 1029 | {
|
---|
| 1030 | if (hmac == NULL)
|
---|
| 1031 | return;
|
---|
| 1032 |
|
---|
| 1033 | #ifdef WOLF_CRYPTO_CB
|
---|
| 1034 | /* handle cleanup case where final is not called */
|
---|
| 1035 | if (hmac->devId != INVALID_DEVID && hmac->devCtx != NULL) {
|
---|
| 1036 | int ret;
|
---|
| 1037 | byte finalHash[WC_HMAC_BLOCK_SIZE];
|
---|
| 1038 | ret = wc_CryptoCb_Hmac(hmac, hmac->macType, NULL, 0, finalHash);
|
---|
| 1039 | (void)ret; /* must ignore return code here */
|
---|
| 1040 | (void)finalHash;
|
---|
| 1041 | }
|
---|
| 1042 | #endif
|
---|
| 1043 |
|
---|
| 1044 | switch (hmac->macType) {
|
---|
| 1045 | #ifndef NO_MD5
|
---|
| 1046 | case WC_MD5:
|
---|
| 1047 | wc_Md5Free(&hmac->hash.md5);
|
---|
| 1048 | break;
|
---|
| 1049 | #endif /* !NO_MD5 */
|
---|
| 1050 |
|
---|
| 1051 | #ifndef NO_SHA
|
---|
| 1052 | case WC_SHA:
|
---|
| 1053 | wc_ShaFree(&hmac->hash.sha);
|
---|
| 1054 | break;
|
---|
| 1055 | #endif /* !NO_SHA */
|
---|
| 1056 |
|
---|
| 1057 | #ifdef WOLFSSL_SHA224
|
---|
| 1058 | case WC_SHA224:
|
---|
| 1059 | wc_Sha224Free(&hmac->hash.sha224);
|
---|
| 1060 | break;
|
---|
| 1061 | #endif /* WOLFSSL_SHA224 */
|
---|
| 1062 | #ifndef NO_SHA256
|
---|
| 1063 | case WC_SHA256:
|
---|
| 1064 | wc_Sha256Free(&hmac->hash.sha256);
|
---|
| 1065 | break;
|
---|
| 1066 | #endif /* !NO_SHA256 */
|
---|
| 1067 |
|
---|
| 1068 | #ifdef WOLFSSL_SHA384
|
---|
| 1069 | case WC_SHA384:
|
---|
| 1070 | wc_Sha384Free(&hmac->hash.sha384);
|
---|
| 1071 | break;
|
---|
| 1072 | #endif /* WOLFSSL_SHA384 */
|
---|
| 1073 | #ifdef WOLFSSL_SHA512
|
---|
| 1074 | case WC_SHA512:
|
---|
| 1075 | wc_Sha512Free(&hmac->hash.sha512);
|
---|
| 1076 | break;
|
---|
| 1077 | #endif /* WOLFSSL_SHA512 */
|
---|
| 1078 |
|
---|
| 1079 | #ifdef WOLFSSL_SHA3
|
---|
| 1080 | #ifndef WOLFSSL_NOSHA3_224
|
---|
| 1081 | case WC_SHA3_224:
|
---|
| 1082 | wc_Sha3_224_Free(&hmac->hash.sha3);
|
---|
| 1083 | break;
|
---|
| 1084 | #endif
|
---|
| 1085 | #ifndef WOLFSSL_NOSHA3_256
|
---|
| 1086 | case WC_SHA3_256:
|
---|
| 1087 | wc_Sha3_256_Free(&hmac->hash.sha3);
|
---|
| 1088 | break;
|
---|
| 1089 | #endif
|
---|
| 1090 | #ifndef WOLFSSL_NOSHA3_384
|
---|
| 1091 | case WC_SHA3_384:
|
---|
| 1092 | wc_Sha3_384_Free(&hmac->hash.sha3);
|
---|
| 1093 | break;
|
---|
| 1094 | #endif
|
---|
| 1095 | #ifndef WOLFSSL_NOSHA3_512
|
---|
| 1096 | case WC_SHA3_512:
|
---|
| 1097 | wc_Sha3_512_Free(&hmac->hash.sha3);
|
---|
| 1098 | break;
|
---|
| 1099 | #endif
|
---|
| 1100 | #endif /* WOLFSSL_SHA3 */
|
---|
| 1101 |
|
---|
| 1102 | default:
|
---|
| 1103 | break;
|
---|
| 1104 | }
|
---|
| 1105 |
|
---|
| 1106 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
---|
| 1107 | wolfAsync_DevCtxFree(&hmac->asyncDev, WOLFSSL_ASYNC_MARKER_HMAC);
|
---|
| 1108 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 1109 |
|
---|
| 1110 | switch (hmac->macType) {
|
---|
| 1111 | #ifndef NO_MD5
|
---|
| 1112 | case WC_MD5:
|
---|
| 1113 | wc_Md5Free(&hmac->hash.md5);
|
---|
| 1114 | break;
|
---|
| 1115 | #endif /* !NO_MD5 */
|
---|
| 1116 |
|
---|
| 1117 | #ifndef NO_SHA
|
---|
| 1118 | case WC_SHA:
|
---|
| 1119 | wc_ShaFree(&hmac->hash.sha);
|
---|
| 1120 | break;
|
---|
| 1121 | #endif /* !NO_SHA */
|
---|
| 1122 |
|
---|
| 1123 | #ifdef WOLFSSL_SHA224
|
---|
| 1124 | case WC_SHA224:
|
---|
| 1125 | wc_Sha224Free(&hmac->hash.sha224);
|
---|
| 1126 | break;
|
---|
| 1127 | #endif /* WOLFSSL_SHA224 */
|
---|
| 1128 | #ifndef NO_SHA256
|
---|
| 1129 | case WC_SHA256:
|
---|
| 1130 | wc_Sha256Free(&hmac->hash.sha256);
|
---|
| 1131 | break;
|
---|
| 1132 | #endif /* !NO_SHA256 */
|
---|
| 1133 |
|
---|
| 1134 | #ifdef WOLFSSL_SHA512
|
---|
| 1135 | #ifdef WOLFSSL_SHA384
|
---|
| 1136 | case WC_SHA384:
|
---|
| 1137 | wc_Sha384Free(&hmac->hash.sha384);
|
---|
| 1138 | break;
|
---|
| 1139 | #endif /* WOLFSSL_SHA384 */
|
---|
| 1140 | case WC_SHA512:
|
---|
| 1141 | wc_Sha512Free(&hmac->hash.sha512);
|
---|
| 1142 | break;
|
---|
| 1143 | #endif /* WOLFSSL_SHA512 */
|
---|
| 1144 | }
|
---|
| 1145 | }
|
---|
| 1146 |
|
---|
| 1147 | int wolfSSL_GetHmacMaxSize(void)
|
---|
| 1148 | {
|
---|
| 1149 | return WC_MAX_DIGEST_SIZE;
|
---|
| 1150 | }
|
---|
| 1151 |
|
---|
| 1152 | #ifdef HAVE_HKDF
|
---|
| 1153 | /* HMAC-KDF-Extract.
|
---|
| 1154 | * RFC 5869 - HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
|
---|
| 1155 | *
|
---|
| 1156 | * type The hash algorithm type.
|
---|
| 1157 | * salt The optional salt value.
|
---|
| 1158 | * saltSz The size of the salt.
|
---|
| 1159 | * inKey The input keying material.
|
---|
| 1160 | * inKeySz The size of the input keying material.
|
---|
| 1161 | * out The pseudorandom key with the length that of the hash.
|
---|
| 1162 | * returns 0 on success, otherwise failure.
|
---|
| 1163 | */
|
---|
| 1164 | int wc_HKDF_Extract(int type, const byte* salt, word32 saltSz,
|
---|
| 1165 | const byte* inKey, word32 inKeySz, byte* out)
|
---|
| 1166 | {
|
---|
| 1167 | byte tmp[WC_MAX_DIGEST_SIZE]; /* localSalt helper */
|
---|
| 1168 | Hmac myHmac;
|
---|
| 1169 | int ret;
|
---|
| 1170 | const byte* localSalt; /* either points to user input or tmp */
|
---|
| 1171 | int hashSz;
|
---|
| 1172 |
|
---|
| 1173 | ret = wc_HmacSizeByType(type);
|
---|
| 1174 | if (ret < 0)
|
---|
| 1175 | return ret;
|
---|
| 1176 |
|
---|
| 1177 | hashSz = ret;
|
---|
| 1178 | localSalt = salt;
|
---|
| 1179 | if (localSalt == NULL) {
|
---|
| 1180 | XMEMSET(tmp, 0, hashSz);
|
---|
| 1181 | localSalt = tmp;
|
---|
| 1182 | saltSz = hashSz;
|
---|
| 1183 | }
|
---|
| 1184 |
|
---|
| 1185 | ret = wc_HmacInit(&myHmac, NULL, INVALID_DEVID);
|
---|
| 1186 | if (ret == 0) {
|
---|
| 1187 | ret = wc_HmacSetKey(&myHmac, type, localSalt, saltSz);
|
---|
| 1188 | if (ret == 0)
|
---|
| 1189 | ret = wc_HmacUpdate(&myHmac, inKey, inKeySz);
|
---|
| 1190 | if (ret == 0)
|
---|
| 1191 | ret = wc_HmacFinal(&myHmac, out);
|
---|
| 1192 | wc_HmacFree(&myHmac);
|
---|
| 1193 | }
|
---|
| 1194 |
|
---|
| 1195 | return ret;
|
---|
| 1196 | }
|
---|
| 1197 |
|
---|
| 1198 | /* HMAC-KDF-Expand.
|
---|
| 1199 | * RFC 5869 - HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
|
---|
| 1200 | *
|
---|
| 1201 | * type The hash algorithm type.
|
---|
| 1202 | * inKey The input key.
|
---|
| 1203 | * inKeySz The size of the input key.
|
---|
| 1204 | * info The application specific information.
|
---|
| 1205 | * infoSz The size of the application specific information.
|
---|
| 1206 | * out The output keying material.
|
---|
| 1207 | * returns 0 on success, otherwise failure.
|
---|
| 1208 | */
|
---|
| 1209 | int wc_HKDF_Expand(int type, const byte* inKey, word32 inKeySz,
|
---|
| 1210 | const byte* info, word32 infoSz, byte* out, word32 outSz)
|
---|
| 1211 | {
|
---|
| 1212 | byte tmp[WC_MAX_DIGEST_SIZE];
|
---|
| 1213 | Hmac myHmac;
|
---|
| 1214 | int ret = 0;
|
---|
| 1215 | word32 outIdx = 0;
|
---|
| 1216 | word32 hashSz = wc_HmacSizeByType(type);
|
---|
| 1217 | byte n = 0x1;
|
---|
| 1218 |
|
---|
| 1219 | ret = wc_HmacInit(&myHmac, NULL, INVALID_DEVID);
|
---|
| 1220 | if (ret != 0)
|
---|
| 1221 | return ret;
|
---|
| 1222 |
|
---|
| 1223 | while (outIdx < outSz) {
|
---|
| 1224 | int tmpSz = (n == 1) ? 0 : hashSz;
|
---|
| 1225 | word32 left = outSz - outIdx;
|
---|
| 1226 |
|
---|
| 1227 | ret = wc_HmacSetKey(&myHmac, type, inKey, inKeySz);
|
---|
| 1228 | if (ret != 0)
|
---|
| 1229 | break;
|
---|
| 1230 | ret = wc_HmacUpdate(&myHmac, tmp, tmpSz);
|
---|
| 1231 | if (ret != 0)
|
---|
| 1232 | break;
|
---|
| 1233 | ret = wc_HmacUpdate(&myHmac, info, infoSz);
|
---|
| 1234 | if (ret != 0)
|
---|
| 1235 | break;
|
---|
| 1236 | ret = wc_HmacUpdate(&myHmac, &n, 1);
|
---|
| 1237 | if (ret != 0)
|
---|
| 1238 | break;
|
---|
| 1239 | ret = wc_HmacFinal(&myHmac, tmp);
|
---|
| 1240 | if (ret != 0)
|
---|
| 1241 | break;
|
---|
| 1242 |
|
---|
| 1243 | left = min(left, hashSz);
|
---|
| 1244 | XMEMCPY(out+outIdx, tmp, left);
|
---|
| 1245 |
|
---|
| 1246 | outIdx += hashSz;
|
---|
| 1247 | n++;
|
---|
| 1248 | }
|
---|
| 1249 |
|
---|
| 1250 | wc_HmacFree(&myHmac);
|
---|
| 1251 |
|
---|
| 1252 | return ret;
|
---|
| 1253 | }
|
---|
| 1254 |
|
---|
| 1255 | /* HMAC-KDF.
|
---|
| 1256 | * RFC 5869 - HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
|
---|
| 1257 | *
|
---|
| 1258 | * type The hash algorithm type.
|
---|
| 1259 | * inKey The input keying material.
|
---|
| 1260 | * inKeySz The size of the input keying material.
|
---|
| 1261 | * salt The optional salt value.
|
---|
| 1262 | * saltSz The size of the salt.
|
---|
| 1263 | * info The application specific information.
|
---|
| 1264 | * infoSz The size of the application specific information.
|
---|
| 1265 | * out The output keying material.
|
---|
| 1266 | * returns 0 on success, otherwise failure.
|
---|
| 1267 | */
|
---|
| 1268 | int wc_HKDF(int type, const byte* inKey, word32 inKeySz,
|
---|
| 1269 | const byte* salt, word32 saltSz,
|
---|
| 1270 | const byte* info, word32 infoSz,
|
---|
| 1271 | byte* out, word32 outSz)
|
---|
| 1272 | {
|
---|
| 1273 | byte prk[WC_MAX_DIGEST_SIZE];
|
---|
| 1274 | int hashSz = wc_HmacSizeByType(type);
|
---|
| 1275 | int ret;
|
---|
| 1276 |
|
---|
| 1277 | if (hashSz < 0)
|
---|
| 1278 | return BAD_FUNC_ARG;
|
---|
| 1279 |
|
---|
| 1280 | ret = wc_HKDF_Extract(type, salt, saltSz, inKey, inKeySz, prk);
|
---|
| 1281 | if (ret != 0)
|
---|
| 1282 | return ret;
|
---|
| 1283 |
|
---|
| 1284 | return wc_HKDF_Expand(type, prk, hashSz, info, infoSz, out, outSz);
|
---|
| 1285 | }
|
---|
| 1286 |
|
---|
| 1287 | #endif /* HAVE_HKDF */
|
---|
| 1288 |
|
---|
| 1289 | #endif /* HAVE_FIPS */
|
---|
| 1290 | #endif /* NO_HMAC */
|
---|