mirror of
https://github.com/wolfSSL/wolfssl.git
synced 2026-01-27 12:42:25 +01:00
1666 lines
49 KiB
C
1666 lines
49 KiB
C
/* hmac.c
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*
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* Copyright (C) 2006-2025 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#include <wolfssl/wolfcrypt/libwolfssl_sources.h>
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#ifndef NO_HMAC
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#if FIPS_VERSION3_GE(2,0,0)
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/* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
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#define FIPS_NO_WRAPPERS
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#ifdef USE_WINDOWS_API
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#pragma code_seg(".fipsA$g")
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#pragma const_seg(".fipsB$g")
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#endif
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#endif
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#include <wolfssl/wolfcrypt/hmac.h>
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#ifdef WOLF_CRYPTO_CB
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#include <wolfssl/wolfcrypt/cryptocb.h>
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#endif
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#ifdef NO_INLINE
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#include <wolfssl/wolfcrypt/misc.h>
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#else
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#define WOLFSSL_MISC_INCLUDED
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#include <wolfcrypt/src/misc.c>
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#endif
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#ifdef WOLFSSL_KCAPI_HMAC
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#include <wolfssl/wolfcrypt/port/kcapi/kcapi_hmac.h>
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/* map the _Software calls used by kcapi_hmac.c */
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#define wc_HmacSetKey wc_HmacSetKey_Software
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#define wc_HmacUpdate wc_HmacUpdate_Software
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#define wc_HmacFinal wc_HmacFinal_Software
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#endif
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#if FIPS_VERSION3_GE(6,0,0)
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const unsigned int wolfCrypt_FIPS_hmac_ro_sanity[2] =
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{ 0x1a2b3c4d, 0x00000008 };
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int wolfCrypt_FIPS_HMAC_sanity(void)
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{
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return 0;
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}
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#endif
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int wc_HmacSizeByType(int type)
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{
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int ret;
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if (!(type == WC_MD5 || type == WC_SHA ||
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#ifdef WOLFSSL_SM3
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type == WC_SM3 ||
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#endif
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type == WC_SHA224 || type == WC_SHA256 ||
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type == WC_SHA384 || type == WC_SHA512 ||
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type == WC_SHA3_224 || type == WC_SHA3_256 ||
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type == WC_SHA3_384 || type == WC_SHA3_512)) {
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return BAD_FUNC_ARG;
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}
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switch (type) {
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#ifndef NO_MD5
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case WC_MD5:
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ret = WC_MD5_DIGEST_SIZE;
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break;
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#endif /* !NO_MD5 */
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#ifndef NO_SHA
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case WC_SHA:
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ret = WC_SHA_DIGEST_SIZE;
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break;
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#endif /* !NO_SHA */
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#ifdef WOLFSSL_SHA224
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case WC_SHA224:
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ret = WC_SHA224_DIGEST_SIZE;
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break;
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#endif /* WOLFSSL_SHA224 */
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#ifndef NO_SHA256
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case WC_SHA256:
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ret = WC_SHA256_DIGEST_SIZE;
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break;
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#endif /* !NO_SHA256 */
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#ifdef WOLFSSL_SHA384
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case WC_SHA384:
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ret = WC_SHA384_DIGEST_SIZE;
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break;
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#endif /* WOLFSSL_SHA384 */
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#ifdef WOLFSSL_SHA512
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case WC_SHA512:
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ret = WC_SHA512_DIGEST_SIZE;
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break;
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#endif /* WOLFSSL_SHA512 */
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#ifdef WOLFSSL_SHA3
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case WC_SHA3_224:
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ret = WC_SHA3_224_DIGEST_SIZE;
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break;
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case WC_SHA3_256:
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ret = WC_SHA3_256_DIGEST_SIZE;
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break;
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case WC_SHA3_384:
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ret = WC_SHA3_384_DIGEST_SIZE;
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break;
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case WC_SHA3_512:
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ret = WC_SHA3_512_DIGEST_SIZE;
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break;
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#endif /* WOLFSSL_SHA3 */
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#ifdef WOLFSSL_SM3
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case WC_SM3:
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ret = WC_SM3_DIGEST_SIZE;
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break;
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#endif
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default:
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ret = BAD_FUNC_ARG;
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break;
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}
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return ret;
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}
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static int HmacKeyInitHash(wc_HmacHash* hash, int type, void* heap, int devId)
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{
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int ret = 0;
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switch (type) {
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#ifndef NO_MD5
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case WC_MD5:
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ret = wc_InitMd5_ex(&hash->md5, heap, devId);
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break;
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#endif /* !NO_MD5 */
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#ifndef NO_SHA
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case WC_SHA:
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ret = wc_InitSha_ex(&hash->sha, heap, devId);
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break;
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#endif /* !NO_SHA */
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#ifdef WOLFSSL_SHA224
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case WC_SHA224:
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ret = wc_InitSha224_ex(&hash->sha224, heap, devId);
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break;
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#endif /* WOLFSSL_SHA224 */
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#ifndef NO_SHA256
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case WC_SHA256:
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ret = wc_InitSha256_ex(&hash->sha256, heap, devId);
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break;
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#endif /* !NO_SHA256 */
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#ifdef WOLFSSL_SHA384
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case WC_SHA384:
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ret = wc_InitSha384_ex(&hash->sha384, heap, devId);
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break;
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#endif /* WOLFSSL_SHA384 */
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#ifdef WOLFSSL_SHA512
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case WC_SHA512:
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ret = wc_InitSha512_ex(&hash->sha512, heap, devId);
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break;
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#endif /* WOLFSSL_SHA512 */
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#ifdef WOLFSSL_SHA3
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#ifndef WOLFSSL_NOSHA3_224
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case WC_SHA3_224:
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ret = wc_InitSha3_224(&hash->sha3, heap, devId);
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break;
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#endif
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#ifndef WOLFSSL_NOSHA3_256
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case WC_SHA3_256:
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ret = wc_InitSha3_256(&hash->sha3, heap, devId);
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break;
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#endif
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#ifndef WOLFSSL_NOSHA3_384
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case WC_SHA3_384:
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ret = wc_InitSha3_384(&hash->sha3, heap, devId);
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break;
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#endif
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#ifndef WOLFSSL_NOSHA3_512
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case WC_SHA3_512:
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ret = wc_InitSha3_512(&hash->sha3, heap, devId);
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break;
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#endif
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#endif
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#ifdef WOLFSSL_SM3
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case WC_SM3:
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ret = wc_InitSm3(&hash->sm3, heap, devId);
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break;
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#endif
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default:
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ret = BAD_FUNC_ARG;
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break;
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}
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return ret;
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}
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int _InitHmac(Hmac* hmac, int type, void* heap)
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{
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int ret;
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#ifdef WOLF_CRYPTO_CB
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int devId = hmac->devId;
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#else
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int devId = INVALID_DEVID;
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#endif
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ret = HmacKeyInitHash(&hmac->hash, type, heap, devId);
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if (ret != 0)
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return ret;
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/* default to NULL heap hint or test value */
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#ifdef WOLFSSL_HEAP_TEST
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hmac->heap = (void*)WOLFSSL_HEAP_TEST;
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#else
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hmac->heap = heap;
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#endif /* WOLFSSL_HEAP_TEST */
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return ret;
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}
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static int HmacKeyCopyHash(byte macType, wc_HmacHash* src, wc_HmacHash* dst)
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{
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int ret = 0;
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switch (macType) {
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#ifndef NO_MD5
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case WC_MD5:
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ret = wc_Md5Copy(&src->md5, &dst->md5);
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break;
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#endif /* !NO_MD5 */
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#ifndef NO_SHA
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case WC_SHA:
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ret = wc_ShaCopy(&src->sha, &dst->sha);
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break;
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#endif /* !NO_SHA */
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#ifdef WOLFSSL_SHA224
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case WC_SHA224:
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ret = wc_Sha224Copy(&src->sha224, &dst->sha224);
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break;
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#endif /* WOLFSSL_SHA224 */
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#ifndef NO_SHA256
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case WC_SHA256:
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ret = wc_Sha256Copy(&src->sha256, &dst->sha256);
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break;
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#endif /* !NO_SHA256 */
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#ifdef WOLFSSL_SHA384
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case WC_SHA384:
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ret = wc_Sha384Copy(&src->sha384, &dst->sha384);
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break;
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#endif /* WOLFSSL_SHA384 */
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#ifdef WOLFSSL_SHA512
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case WC_SHA512:
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ret = wc_Sha512Copy(&src->sha512, &dst->sha512);
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break;
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#endif /* WOLFSSL_SHA512 */
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#ifdef WOLFSSL_SHA3
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#ifndef WOLFSSL_NOSHA3_224
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case WC_SHA3_224:
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ret = wc_Sha3_224_Copy(&src->sha3, &dst->sha3);
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break;
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#endif
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#ifndef WOLFSSL_NOSHA3_256
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case WC_SHA3_256:
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ret = wc_Sha3_256_Copy(&src->sha3, &dst->sha3);
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break;
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#endif
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#ifndef WOLFSSL_NOSHA3_384
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case WC_SHA3_384:
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ret = wc_Sha3_384_Copy(&src->sha3, &dst->sha3);
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break;
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#endif
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#ifndef WOLFSSL_NOSHA3_512
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case WC_SHA3_512:
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ret = wc_Sha3_512_Copy(&src->sha3, &dst->sha3);
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break;
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#endif
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#endif /* WOLFSSL_SHA3 */
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#ifdef WOLFSSL_SM3
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case WC_SM3:
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ret = wc_Sm3Copy(&src->sm3, &dst->sm3);
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break;
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#endif
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default:
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break;
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}
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return ret;
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}
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int wc_HmacCopy(Hmac* src, Hmac* dst) {
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int ret;
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if ((src == NULL) || (dst == NULL))
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return BAD_FUNC_ARG;
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XMEMCPY(dst, src, sizeof(*dst));
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ret = HmacKeyCopyHash(src->macType, &src->hash, &dst->hash);
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if (ret != 0)
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XMEMSET(dst, 0, sizeof(*dst));
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return ret;
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}
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static int HmacKeyHashUpdate(byte macType, wc_HmacHash* hash, byte* pad)
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{
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int ret = 0;
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switch (macType) {
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#ifndef NO_MD5
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case WC_MD5:
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ret = wc_Md5Update(&hash->md5, pad, WC_MD5_BLOCK_SIZE);
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break;
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#endif /* !NO_MD5 */
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#ifndef NO_SHA
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case WC_SHA:
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ret = wc_ShaUpdate(&hash->sha, pad, WC_SHA_BLOCK_SIZE);
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break;
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#endif /* !NO_SHA */
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#ifdef WOLFSSL_SHA224
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case WC_SHA224:
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ret = wc_Sha224Update(&hash->sha224, pad, WC_SHA224_BLOCK_SIZE);
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break;
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#endif /* WOLFSSL_SHA224 */
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#ifndef NO_SHA256
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case WC_SHA256:
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ret = wc_Sha256Update(&hash->sha256, pad, WC_SHA256_BLOCK_SIZE);
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break;
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#endif /* !NO_SHA256 */
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#ifdef WOLFSSL_SHA384
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case WC_SHA384:
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ret = wc_Sha384Update(&hash->sha384, pad, WC_SHA384_BLOCK_SIZE);
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break;
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#endif /* WOLFSSL_SHA384 */
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#ifdef WOLFSSL_SHA512
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case WC_SHA512:
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ret = wc_Sha512Update(&hash->sha512, pad, WC_SHA512_BLOCK_SIZE);
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break;
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#endif /* WOLFSSL_SHA512 */
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#ifdef WOLFSSL_SHA3
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#ifndef WOLFSSL_NOSHA3_224
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case WC_SHA3_224:
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ret = wc_Sha3_224_Update(&hash->sha3, pad, WC_SHA3_224_BLOCK_SIZE);
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break;
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#endif
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#ifndef WOLFSSL_NOSHA3_256
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case WC_SHA3_256:
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ret = wc_Sha3_256_Update(&hash->sha3, pad, WC_SHA3_256_BLOCK_SIZE);
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break;
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#endif
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#ifndef WOLFSSL_NOSHA3_384
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case WC_SHA3_384:
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ret = wc_Sha3_384_Update(&hash->sha3, pad, WC_SHA3_384_BLOCK_SIZE);
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break;
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#endif
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#ifndef WOLFSSL_NOSHA3_512
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case WC_SHA3_512:
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ret = wc_Sha3_512_Update(&hash->sha3, pad, WC_SHA3_512_BLOCK_SIZE);
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break;
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#endif
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#endif /* WOLFSSL_SHA3 */
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#ifdef WOLFSSL_SM3
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case WC_SM3:
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ret = wc_Sm3Update(&hash->sm3, pad, WC_SM3_BLOCK_SIZE);
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break;
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#endif
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default:
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break;
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}
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return ret;
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}
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#ifdef WOLFSSL_HMAC_COPY_HASH
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int _HmacInitIOHashes(Hmac* hmac)
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{
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int ret;
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#ifdef WOLF_CRYPTO_CB
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int devId = hmac->devId;
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#else
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int devId = INVALID_DEVID;
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#endif
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ret = HmacKeyInitHash(&hmac->i_hash, hmac->macType, hmac->heap, devId);
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if (ret == 0) {
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ret = HmacKeyInitHash(&hmac->o_hash, hmac->macType, hmac->heap, devId);
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}
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if (ret == 0) {
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ret = HmacKeyHashUpdate(hmac->macType, &hmac->i_hash,
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(byte*)hmac->ipad);
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}
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if (ret == 0) {
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ret = HmacKeyHashUpdate(hmac->macType, &hmac->o_hash,
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(byte*)hmac->opad);
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}
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return ret;
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}
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#endif
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int wc_HmacSetKey_ex(Hmac* hmac, int type, const byte* key, word32 length,
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int allowFlag)
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{
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#ifndef WOLFSSL_MAXQ108X
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byte* ip;
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byte* op;
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word32 hmac_block_size = 0;
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#endif
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int ret = 0;
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void* heap = NULL;
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if (hmac == NULL || (key == NULL && length != 0) ||
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!(type == WC_MD5 || type == WC_SHA ||
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#ifdef WOLFSSL_SM3
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type == WC_SM3 ||
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#endif
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type == WC_SHA224 || type == WC_SHA256 ||
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type == WC_SHA384 || type == WC_SHA512 ||
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type == WC_SHA3_224 || type == WC_SHA3_256 ||
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type == WC_SHA3_384 || type == WC_SHA3_512)) {
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return BAD_FUNC_ARG;
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}
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|
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heap = hmac->heap;
|
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#if !defined(HAVE_FIPS) || FIPS_VERSION3_GE(6,0,0)
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/* if set key has already been run then make sure and free existing */
|
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/* This is for async and PIC32MZ situations, and just normally OK,
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provided the user calls wc_HmacInit() first. That function is not
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available in FIPS builds. In current FIPS builds, the hashes are
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not allocating resources. */
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if (hmac->macType != WC_HASH_TYPE_NONE) {
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#ifdef WOLF_CRYPTO_CB
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int devId = hmac->devId;
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#endif
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wc_HmacFree(hmac);
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#ifdef WOLF_CRYPTO_CB
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hmac->devId = devId;
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#endif
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}
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#endif
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|
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hmac->innerHashKeyed = 0;
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hmac->macType = (byte)type;
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|
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ret = _InitHmac(hmac, type, heap);
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if (ret != 0)
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return ret;
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|
|
/* Regarding the password length:
|
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* SP800-107r1 ss 5.3.2 states: "An HMAC key shall have a security strength
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* that meets or exceeds the security strength required to protect the data
|
|
* over which the HMAC is computed" then refers to SP800-133 for HMAC keys
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* generation.
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|
*
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* SP800-133r2 ss 6.2.3 states: "When a key is generated from a password,
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* the entropy provided (and thus, the maximum security strength that can be
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* supported by the generated key) shall be considered to be zero unless the
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* password is generated using an approved RBG"
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*
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* wolfSSL Notes: The statement from SP800-133r2 applies to
|
|
* all password lengths. Any human generated password is considered to have
|
|
* 0 security strength regardless of length, there is no minimum length that
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* is OK or will provide any amount of security strength other than 0. If
|
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* a security strength is required users shall generate random passwords
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* using a FIPS approved RBG of sufficient length that any HMAC key
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* generated from that password can claim to inherit the needed security
|
|
* strength from that input.
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*/
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|
|
/* In light of the above, Loosen past restriction that limited passwords to
|
|
* no less than 14-bytes to allow for shorter Passwords.
|
|
* User needs to pass true (non-zero) to override historical behavior that
|
|
* prevented use of any password less than 14-bytes. ALL non-RBG generated
|
|
* passwords shall inherit a security strength of zero
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* (no security strength)
|
|
*/
|
|
if (!allowFlag) {
|
|
if (length < HMAC_FIPS_MIN_KEY) {
|
|
WOLFSSL_ERROR_VERBOSE(HMAC_MIN_KEYLEN_E);
|
|
return HMAC_MIN_KEYLEN_E;
|
|
}
|
|
}
|
|
|
|
#ifdef WOLF_CRYPTO_CB
|
|
hmac->keyRaw = key; /* use buffer directly */
|
|
hmac->keyLen = (word16)length;
|
|
#endif
|
|
|
|
#ifdef WOLFSSL_MAXQ108X
|
|
/* For MAXQ108x, nothing left to do. */
|
|
return 0;
|
|
#else
|
|
|
|
ip = (byte*)hmac->ipad;
|
|
op = (byte*)hmac->opad;
|
|
|
|
switch (hmac->macType) {
|
|
#ifndef NO_MD5
|
|
case WC_MD5:
|
|
hmac_block_size = WC_MD5_BLOCK_SIZE;
|
|
if (length <= WC_MD5_BLOCK_SIZE) {
|
|
if (key != NULL) {
|
|
XMEMCPY(ip, key, length);
|
|
}
|
|
}
|
|
else {
|
|
ret = wc_Md5Update(&hmac->hash.md5, key, length);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Md5Final(&hmac->hash.md5, ip);
|
|
if (ret != 0)
|
|
break;
|
|
length = WC_MD5_DIGEST_SIZE;
|
|
}
|
|
break;
|
|
#endif /* !NO_MD5 */
|
|
|
|
#ifndef NO_SHA
|
|
case WC_SHA:
|
|
hmac_block_size = WC_SHA_BLOCK_SIZE;
|
|
if (length <= WC_SHA_BLOCK_SIZE) {
|
|
if (key != NULL) {
|
|
XMEMCPY(ip, key, length);
|
|
}
|
|
}
|
|
else {
|
|
ret = wc_ShaUpdate(&hmac->hash.sha, key, length);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_ShaFinal(&hmac->hash.sha, ip);
|
|
if (ret != 0)
|
|
break;
|
|
|
|
length = WC_SHA_DIGEST_SIZE;
|
|
}
|
|
break;
|
|
#endif /* !NO_SHA */
|
|
|
|
#ifdef WOLFSSL_SHA224
|
|
case WC_SHA224:
|
|
hmac_block_size = WC_SHA224_BLOCK_SIZE;
|
|
if (length <= WC_SHA224_BLOCK_SIZE) {
|
|
if (key != NULL) {
|
|
XMEMCPY(ip, key, length);
|
|
}
|
|
}
|
|
else {
|
|
ret = wc_Sha224Update(&hmac->hash.sha224, key, length);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha224Final(&hmac->hash.sha224, ip);
|
|
if (ret != 0)
|
|
break;
|
|
|
|
length = WC_SHA224_DIGEST_SIZE;
|
|
}
|
|
break;
|
|
#endif /* WOLFSSL_SHA224 */
|
|
#ifndef NO_SHA256
|
|
case WC_SHA256:
|
|
hmac_block_size = WC_SHA256_BLOCK_SIZE;
|
|
if (length <= WC_SHA256_BLOCK_SIZE) {
|
|
if (key != NULL) {
|
|
XMEMCPY(ip, key, length);
|
|
}
|
|
}
|
|
else {
|
|
ret = wc_Sha256Update(&hmac->hash.sha256, key, length);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha256Final(&hmac->hash.sha256, ip);
|
|
if (ret != 0)
|
|
break;
|
|
|
|
length = WC_SHA256_DIGEST_SIZE;
|
|
}
|
|
break;
|
|
#endif /* !NO_SHA256 */
|
|
|
|
#ifdef WOLFSSL_SHA384
|
|
case WC_SHA384:
|
|
hmac_block_size = WC_SHA384_BLOCK_SIZE;
|
|
if (length <= WC_SHA384_BLOCK_SIZE) {
|
|
if (key != NULL) {
|
|
XMEMCPY(ip, key, length);
|
|
}
|
|
}
|
|
else {
|
|
ret = wc_Sha384Update(&hmac->hash.sha384, key, length);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha384Final(&hmac->hash.sha384, ip);
|
|
if (ret != 0)
|
|
break;
|
|
|
|
length = WC_SHA384_DIGEST_SIZE;
|
|
}
|
|
break;
|
|
#endif /* WOLFSSL_SHA384 */
|
|
#ifdef WOLFSSL_SHA512
|
|
case WC_SHA512:
|
|
hmac_block_size = WC_SHA512_BLOCK_SIZE;
|
|
if (length <= WC_SHA512_BLOCK_SIZE) {
|
|
if (key != NULL) {
|
|
XMEMCPY(ip, key, length);
|
|
}
|
|
}
|
|
else {
|
|
ret = wc_Sha512Update(&hmac->hash.sha512, key, length);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha512Final(&hmac->hash.sha512, ip);
|
|
if (ret != 0)
|
|
break;
|
|
|
|
length = WC_SHA512_DIGEST_SIZE;
|
|
}
|
|
break;
|
|
#endif /* WOLFSSL_SHA512 */
|
|
|
|
#ifdef WOLFSSL_SHA3
|
|
#ifndef WOLFSSL_NOSHA3_224
|
|
case WC_SHA3_224:
|
|
hmac_block_size = WC_SHA3_224_BLOCK_SIZE;
|
|
if (length <= WC_SHA3_224_BLOCK_SIZE) {
|
|
if (key != NULL) {
|
|
XMEMCPY(ip, key, length);
|
|
}
|
|
}
|
|
else {
|
|
ret = wc_Sha3_224_Update(&hmac->hash.sha3, key, length);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha3_224_Final(&hmac->hash.sha3, ip);
|
|
if (ret != 0)
|
|
break;
|
|
|
|
length = WC_SHA3_224_DIGEST_SIZE;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_256
|
|
case WC_SHA3_256:
|
|
hmac_block_size = WC_SHA3_256_BLOCK_SIZE;
|
|
if (length <= WC_SHA3_256_BLOCK_SIZE) {
|
|
if (key != NULL) {
|
|
XMEMCPY(ip, key, length);
|
|
}
|
|
}
|
|
else {
|
|
ret = wc_Sha3_256_Update(&hmac->hash.sha3, key, length);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha3_256_Final(&hmac->hash.sha3, ip);
|
|
if (ret != 0)
|
|
break;
|
|
|
|
length = WC_SHA3_256_DIGEST_SIZE;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_384
|
|
case WC_SHA3_384:
|
|
hmac_block_size = WC_SHA3_384_BLOCK_SIZE;
|
|
if (length <= WC_SHA3_384_BLOCK_SIZE) {
|
|
if (key != NULL) {
|
|
XMEMCPY(ip, key, length);
|
|
}
|
|
}
|
|
else {
|
|
ret = wc_Sha3_384_Update(&hmac->hash.sha3, key, length);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha3_384_Final(&hmac->hash.sha3, ip);
|
|
if (ret != 0)
|
|
break;
|
|
|
|
length = WC_SHA3_384_DIGEST_SIZE;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_512
|
|
case WC_SHA3_512:
|
|
hmac_block_size = WC_SHA3_512_BLOCK_SIZE;
|
|
if (length <= WC_SHA3_512_BLOCK_SIZE) {
|
|
if (key != NULL) {
|
|
XMEMCPY(ip, key, length);
|
|
}
|
|
}
|
|
else {
|
|
ret = wc_Sha3_512_Update(&hmac->hash.sha3, key, length);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha3_512_Final(&hmac->hash.sha3, ip);
|
|
if (ret != 0)
|
|
break;
|
|
|
|
length = WC_SHA3_512_DIGEST_SIZE;
|
|
}
|
|
break;
|
|
#endif
|
|
#endif /* WOLFSSL_SHA3 */
|
|
|
|
#ifdef WOLFSSL_SM3
|
|
case WC_SM3:
|
|
hmac_block_size = WC_SM3_BLOCK_SIZE;
|
|
if (length <= WC_SM3_BLOCK_SIZE) {
|
|
if (key != NULL) {
|
|
XMEMCPY(ip, key, length);
|
|
}
|
|
}
|
|
else {
|
|
ret = wc_Sm3Update(&hmac->hash.sm3, key, length);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sm3Final(&hmac->hash.sm3, ip);
|
|
if (ret != 0)
|
|
break;
|
|
|
|
length = WC_SM3_DIGEST_SIZE;
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
return BAD_FUNC_ARG;
|
|
}
|
|
|
|
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
|
if (hmac->asyncDev.marker == WOLFSSL_ASYNC_MARKER_HMAC) {
|
|
#if defined(HAVE_INTEL_QA) || defined(HAVE_CAVIUM)
|
|
#ifdef HAVE_INTEL_QA
|
|
if (IntelQaHmacGetType(hmac->macType, NULL) == 0)
|
|
#endif
|
|
{
|
|
if (length > hmac_block_size)
|
|
length = hmac_block_size;
|
|
/* update key length */
|
|
hmac->keyLen = (word16)length;
|
|
|
|
return ret;
|
|
}
|
|
/* no need to pad below */
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
if (ret == 0) {
|
|
word32 i;
|
|
|
|
if (length < hmac_block_size)
|
|
XMEMSET(ip + length, 0, hmac_block_size - length);
|
|
|
|
for(i = 0; i < hmac_block_size; i++) {
|
|
op[i] = (byte)(ip[i] ^ OPAD);
|
|
ip[i] ^= IPAD;
|
|
}
|
|
}
|
|
|
|
#ifdef WOLFSSL_HMAC_COPY_HASH
|
|
if (ret == 0) {
|
|
ret = _HmacInitIOHashes(hmac);
|
|
}
|
|
#endif
|
|
|
|
return ret;
|
|
#endif /* WOLFSSL_MAXQ108X */
|
|
}
|
|
|
|
int wc_HmacSetKey(Hmac* hmac, int type, const byte* key, word32 length)
|
|
{
|
|
int allowFlag;
|
|
#if defined(HAVE_FIPS)
|
|
allowFlag = 0; /* default false for FIPS cases */
|
|
#else
|
|
allowFlag = 1; /* default true for all non-FIPS cases */
|
|
#endif
|
|
return wc_HmacSetKey_ex(hmac, type, key, length, allowFlag);
|
|
}
|
|
|
|
int wc_HmacUpdate(Hmac* hmac, const byte* msg, word32 length)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (hmac == NULL || (msg == NULL && length > 0)) {
|
|
return BAD_FUNC_ARG;
|
|
}
|
|
if (length == 0) {
|
|
return 0; /* nothing to do, return success */
|
|
}
|
|
|
|
#ifdef WOLF_CRYPTO_CB
|
|
if (hmac->devId != INVALID_DEVID) {
|
|
ret = wc_CryptoCb_Hmac(hmac, hmac->macType, msg, length, NULL);
|
|
if (ret != WC_NO_ERR_TRACE(CRYPTOCB_UNAVAILABLE))
|
|
return ret;
|
|
/* fall-through when unavailable */
|
|
ret = 0; /* reset error code */
|
|
}
|
|
#endif
|
|
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
|
if (hmac->asyncDev.marker == WOLFSSL_ASYNC_MARKER_HMAC) {
|
|
#if defined(HAVE_CAVIUM)
|
|
return NitroxHmacUpdate(hmac, msg, length);
|
|
#elif defined(HAVE_INTEL_QA)
|
|
if (IntelQaHmacGetType(hmac->macType, NULL) == 0) {
|
|
return IntelQaHmac(&hmac->asyncDev, hmac->macType,
|
|
(byte*)hmac->ipad, hmac->keyLen, NULL, msg, length);
|
|
}
|
|
#endif
|
|
}
|
|
#endif /* WOLFSSL_ASYNC_CRYPT */
|
|
|
|
if (!hmac->innerHashKeyed) {
|
|
#ifndef WOLFSSL_HMAC_COPY_HASH
|
|
ret = HmacKeyHashUpdate(hmac->macType, &hmac->hash, (byte*)hmac->ipad);
|
|
#else
|
|
ret = HmacKeyCopyHash(hmac->macType, &hmac->i_hash, &hmac->hash);
|
|
#endif
|
|
if (ret != 0)
|
|
return ret;
|
|
hmac->innerHashKeyed = WC_HMAC_INNER_HASH_KEYED_SW;
|
|
}
|
|
|
|
switch (hmac->macType) {
|
|
#ifndef NO_MD5
|
|
case WC_MD5:
|
|
ret = wc_Md5Update(&hmac->hash.md5, msg, length);
|
|
break;
|
|
#endif /* !NO_MD5 */
|
|
|
|
#ifndef NO_SHA
|
|
case WC_SHA:
|
|
ret = wc_ShaUpdate(&hmac->hash.sha, msg, length);
|
|
break;
|
|
#endif /* !NO_SHA */
|
|
|
|
#ifdef WOLFSSL_SHA224
|
|
case WC_SHA224:
|
|
ret = wc_Sha224Update(&hmac->hash.sha224, msg, length);
|
|
break;
|
|
#endif /* WOLFSSL_SHA224 */
|
|
|
|
#ifndef NO_SHA256
|
|
case WC_SHA256:
|
|
ret = wc_Sha256Update(&hmac->hash.sha256, msg, length);
|
|
break;
|
|
#endif /* !NO_SHA256 */
|
|
|
|
#ifdef WOLFSSL_SHA384
|
|
case WC_SHA384:
|
|
ret = wc_Sha384Update(&hmac->hash.sha384, msg, length);
|
|
break;
|
|
#endif /* WOLFSSL_SHA384 */
|
|
#ifdef WOLFSSL_SHA512
|
|
case WC_SHA512:
|
|
ret = wc_Sha512Update(&hmac->hash.sha512, msg, length);
|
|
break;
|
|
#endif /* WOLFSSL_SHA512 */
|
|
|
|
#ifdef WOLFSSL_SHA3
|
|
#ifndef WOLFSSL_NOSHA3_224
|
|
case WC_SHA3_224:
|
|
ret = wc_Sha3_224_Update(&hmac->hash.sha3, msg, length);
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_256
|
|
case WC_SHA3_256:
|
|
ret = wc_Sha3_256_Update(&hmac->hash.sha3, msg, length);
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_384
|
|
case WC_SHA3_384:
|
|
ret = wc_Sha3_384_Update(&hmac->hash.sha3, msg, length);
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_512
|
|
case WC_SHA3_512:
|
|
ret = wc_Sha3_512_Update(&hmac->hash.sha3, msg, length);
|
|
break;
|
|
#endif
|
|
#endif /* WOLFSSL_SHA3 */
|
|
|
|
#ifdef WOLFSSL_SM3
|
|
case WC_SM3:
|
|
ret = wc_Sm3Update(&hmac->hash.sm3, msg, length);
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
int wc_HmacFinal(Hmac* hmac, byte* hash)
|
|
{
|
|
int ret;
|
|
|
|
if (hmac == NULL || hash == NULL) {
|
|
return BAD_FUNC_ARG;
|
|
}
|
|
|
|
#ifdef WOLF_CRYPTO_CB
|
|
if (hmac->devId != INVALID_DEVID) {
|
|
ret = wc_CryptoCb_Hmac(hmac, hmac->macType, NULL, 0, hash);
|
|
if (ret != WC_NO_ERR_TRACE(CRYPTOCB_UNAVAILABLE))
|
|
return ret;
|
|
/* fall-through when unavailable */
|
|
}
|
|
#endif
|
|
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
|
if (hmac->asyncDev.marker == WOLFSSL_ASYNC_MARKER_HMAC) {
|
|
int hashLen = wc_HmacSizeByType(hmac->macType);
|
|
if (hashLen <= 0)
|
|
return hashLen;
|
|
|
|
#if defined(HAVE_CAVIUM)
|
|
return NitroxHmacFinal(hmac, hash, hashLen);
|
|
#elif defined(HAVE_INTEL_QA)
|
|
if (IntelQaHmacGetType(hmac->macType, NULL) == 0) {
|
|
return IntelQaHmac(&hmac->asyncDev, hmac->macType,
|
|
(byte*)hmac->ipad, hmac->keyLen, hash, NULL, hashLen);
|
|
}
|
|
#endif
|
|
}
|
|
#endif /* WOLFSSL_ASYNC_CRYPT */
|
|
|
|
if (!hmac->innerHashKeyed) {
|
|
#ifndef WOLFSSL_HMAC_COPY_HASH
|
|
ret = HmacKeyHashUpdate(hmac->macType, &hmac->hash, (byte*)hmac->ipad);
|
|
#else
|
|
ret = HmacKeyCopyHash(hmac->macType, &hmac->i_hash, &hmac->hash);
|
|
#endif
|
|
if (ret != 0)
|
|
return ret;
|
|
hmac->innerHashKeyed = WC_HMAC_INNER_HASH_KEYED_SW;
|
|
}
|
|
|
|
switch (hmac->macType) {
|
|
#ifndef NO_MD5
|
|
case WC_MD5:
|
|
ret = wc_Md5Final(&hmac->hash.md5, (byte*)hmac->innerHash);
|
|
if (ret != 0)
|
|
break;
|
|
#ifndef WOLFSSL_HMAC_COPY_HASH
|
|
ret = wc_Md5Update(&hmac->hash.md5, (byte*)hmac->opad,
|
|
WC_MD5_BLOCK_SIZE);
|
|
#else
|
|
ret = HmacKeyCopyHash(WC_MD5, &hmac->o_hash, &hmac->hash);
|
|
#endif
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Md5Update(&hmac->hash.md5, (byte*)hmac->innerHash,
|
|
WC_MD5_DIGEST_SIZE);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Md5Final(&hmac->hash.md5, hash);
|
|
break;
|
|
#endif /* !NO_MD5 */
|
|
|
|
#ifndef NO_SHA
|
|
case WC_SHA:
|
|
ret = wc_ShaFinal(&hmac->hash.sha, (byte*)hmac->innerHash);
|
|
if (ret != 0)
|
|
break;
|
|
#ifndef WOLFSSL_HMAC_COPY_HASH
|
|
ret = wc_ShaUpdate(&hmac->hash.sha, (byte*)hmac->opad,
|
|
WC_SHA_BLOCK_SIZE);
|
|
#else
|
|
ret = HmacKeyCopyHash(WC_SHA, &hmac->o_hash, &hmac->hash);
|
|
#endif
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_ShaUpdate(&hmac->hash.sha, (byte*)hmac->innerHash,
|
|
WC_SHA_DIGEST_SIZE);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_ShaFinal(&hmac->hash.sha, hash);
|
|
break;
|
|
#endif /* !NO_SHA */
|
|
|
|
#ifdef WOLFSSL_SHA224
|
|
case WC_SHA224:
|
|
ret = wc_Sha224Final(&hmac->hash.sha224, (byte*)hmac->innerHash);
|
|
if (ret != 0)
|
|
break;
|
|
#ifndef WOLFSSL_HMAC_COPY_HASH
|
|
ret = wc_Sha224Update(&hmac->hash.sha224, (byte*)hmac->opad,
|
|
WC_SHA224_BLOCK_SIZE);
|
|
#else
|
|
ret = HmacKeyCopyHash(WC_SHA224, &hmac->o_hash, &hmac->hash);
|
|
#endif
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha224Update(&hmac->hash.sha224, (byte*)hmac->innerHash,
|
|
WC_SHA224_DIGEST_SIZE);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha224Final(&hmac->hash.sha224, hash);
|
|
if (ret != 0)
|
|
break;
|
|
break;
|
|
#endif /* WOLFSSL_SHA224 */
|
|
#ifndef NO_SHA256
|
|
case WC_SHA256:
|
|
ret = wc_Sha256Final(&hmac->hash.sha256, (byte*)hmac->innerHash);
|
|
if (ret != 0)
|
|
break;
|
|
#ifndef WOLFSSL_HMAC_COPY_HASH
|
|
ret = wc_Sha256Update(&hmac->hash.sha256, (byte*)hmac->opad,
|
|
WC_SHA256_BLOCK_SIZE);
|
|
#else
|
|
ret = HmacKeyCopyHash(WC_SHA256, &hmac->o_hash, &hmac->hash);
|
|
#endif
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha256Update(&hmac->hash.sha256, (byte*)hmac->innerHash,
|
|
WC_SHA256_DIGEST_SIZE);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha256Final(&hmac->hash.sha256, hash);
|
|
break;
|
|
#endif /* !NO_SHA256 */
|
|
|
|
#ifdef WOLFSSL_SHA384
|
|
case WC_SHA384:
|
|
ret = wc_Sha384Final(&hmac->hash.sha384, (byte*)hmac->innerHash);
|
|
if (ret != 0)
|
|
break;
|
|
#ifndef WOLFSSL_HMAC_COPY_HASH
|
|
ret = wc_Sha384Update(&hmac->hash.sha384, (byte*)hmac->opad,
|
|
WC_SHA384_BLOCK_SIZE);
|
|
#else
|
|
ret = HmacKeyCopyHash(WC_SHA384, &hmac->o_hash, &hmac->hash);
|
|
#endif
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha384Update(&hmac->hash.sha384, (byte*)hmac->innerHash,
|
|
WC_SHA384_DIGEST_SIZE);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha384Final(&hmac->hash.sha384, hash);
|
|
break;
|
|
#endif /* WOLFSSL_SHA384 */
|
|
#ifdef WOLFSSL_SHA512
|
|
case WC_SHA512:
|
|
ret = wc_Sha512Final(&hmac->hash.sha512, (byte*)hmac->innerHash);
|
|
if (ret != 0)
|
|
break;
|
|
#ifndef WOLFSSL_HMAC_COPY_HASH
|
|
ret = wc_Sha512Update(&hmac->hash.sha512, (byte*)hmac->opad,
|
|
WC_SHA512_BLOCK_SIZE);
|
|
#else
|
|
ret = HmacKeyCopyHash(WC_SHA512, &hmac->o_hash, &hmac->hash);
|
|
#endif
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha512Update(&hmac->hash.sha512, (byte*)hmac->innerHash,
|
|
WC_SHA512_DIGEST_SIZE);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha512Final(&hmac->hash.sha512, hash);
|
|
break;
|
|
#endif /* WOLFSSL_SHA512 */
|
|
|
|
#ifdef WOLFSSL_SHA3
|
|
#ifndef WOLFSSL_NOSHA3_224
|
|
case WC_SHA3_224:
|
|
ret = wc_Sha3_224_Final(&hmac->hash.sha3, (byte*)hmac->innerHash);
|
|
if (ret != 0)
|
|
break;
|
|
#ifndef WOLFSSL_HMAC_COPY_HASH
|
|
ret = wc_Sha3_224_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
|
WC_SHA3_224_BLOCK_SIZE);
|
|
#else
|
|
ret = HmacKeyCopyHash(WC_SHA3_224, &hmac->o_hash, &hmac->hash);
|
|
#endif
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha3_224_Update(&hmac->hash.sha3, (byte*)hmac->innerHash,
|
|
WC_SHA3_224_DIGEST_SIZE);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha3_224_Final(&hmac->hash.sha3, hash);
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_256
|
|
case WC_SHA3_256:
|
|
ret = wc_Sha3_256_Final(&hmac->hash.sha3, (byte*)hmac->innerHash);
|
|
if (ret != 0)
|
|
break;
|
|
#ifndef WOLFSSL_HMAC_COPY_HASH
|
|
ret = wc_Sha3_256_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
|
WC_SHA3_256_BLOCK_SIZE);
|
|
#else
|
|
ret = HmacKeyCopyHash(WC_SHA3_256, &hmac->o_hash, &hmac->hash);
|
|
#endif
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha3_256_Update(&hmac->hash.sha3, (byte*)hmac->innerHash,
|
|
WC_SHA3_256_DIGEST_SIZE);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha3_256_Final(&hmac->hash.sha3, hash);
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_384
|
|
case WC_SHA3_384:
|
|
ret = wc_Sha3_384_Final(&hmac->hash.sha3, (byte*)hmac->innerHash);
|
|
if (ret != 0)
|
|
break;
|
|
#ifndef WOLFSSL_HMAC_COPY_HASH
|
|
ret = wc_Sha3_384_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
|
WC_SHA3_384_BLOCK_SIZE);
|
|
#else
|
|
ret = HmacKeyCopyHash(WC_SHA3_384, &hmac->o_hash, &hmac->hash);
|
|
#endif
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha3_384_Update(&hmac->hash.sha3, (byte*)hmac->innerHash,
|
|
WC_SHA3_384_DIGEST_SIZE);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha3_384_Final(&hmac->hash.sha3, hash);
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_512
|
|
case WC_SHA3_512:
|
|
ret = wc_Sha3_512_Final(&hmac->hash.sha3, (byte*)hmac->innerHash);
|
|
if (ret != 0)
|
|
break;
|
|
#ifndef WOLFSSL_HMAC_COPY_HASH
|
|
ret = wc_Sha3_512_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
|
WC_SHA3_512_BLOCK_SIZE);
|
|
#else
|
|
ret = HmacKeyCopyHash(WC_SHA3_512, &hmac->o_hash, &hmac->hash);
|
|
#endif
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha3_512_Update(&hmac->hash.sha3, (byte*)hmac->innerHash,
|
|
WC_SHA3_512_DIGEST_SIZE);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sha3_512_Final(&hmac->hash.sha3, hash);
|
|
break;
|
|
#endif
|
|
#endif /* WOLFSSL_SHA3 */
|
|
|
|
#ifdef WOLFSSL_SM3
|
|
case WC_SM3:
|
|
ret = wc_Sm3Final(&hmac->hash.sm3, (byte*)hmac->innerHash);
|
|
if (ret != 0)
|
|
break;
|
|
#ifndef WOLFSSL_HMAC_COPY_HASH
|
|
ret = wc_Sm3Update(&hmac->hash.sm3, (byte*)hmac->opad,
|
|
WC_SM3_BLOCK_SIZE);
|
|
#else
|
|
ret = HmacKeyCopyHash(WC_SM3, &hmac->o_hash, &hmac->hash);
|
|
#endif
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sm3Update(&hmac->hash.sm3, (byte*)hmac->innerHash,
|
|
WC_SM3_DIGEST_SIZE);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Sm3Final(&hmac->hash.sm3, hash);
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
ret = BAD_FUNC_ARG;
|
|
break;
|
|
}
|
|
|
|
if (ret == 0) {
|
|
hmac->innerHashKeyed = 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
#ifdef WOLFSSL_KCAPI_HMAC
|
|
/* implemented in wolfcrypt/src/port/kcapi/kcapi_hmac.c */
|
|
|
|
/* unmap the _Software calls used by kcapi_hmac.c */
|
|
#undef wc_HmacSetKey
|
|
#undef wc_HmacUpdate
|
|
#undef wc_HmacFinal
|
|
|
|
#else
|
|
/* Initialize Hmac for use with async device */
|
|
int wc_HmacInit(Hmac* hmac, void* heap, int devId)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (hmac == NULL)
|
|
return BAD_FUNC_ARG;
|
|
|
|
XMEMSET(hmac, 0, sizeof(Hmac));
|
|
hmac->macType = WC_HASH_TYPE_NONE;
|
|
hmac->heap = heap;
|
|
#ifdef WOLF_CRYPTO_CB
|
|
hmac->devId = devId;
|
|
hmac->devCtx = NULL;
|
|
#endif
|
|
#if defined(WOLFSSL_DEVCRYPTO_HMAC)
|
|
hmac->ctx.cfd = -1;
|
|
#endif
|
|
|
|
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
|
ret = wolfAsync_DevCtxInit(&hmac->asyncDev, WOLFSSL_ASYNC_MARKER_HMAC,
|
|
hmac->heap, devId);
|
|
#else
|
|
(void)devId;
|
|
#endif /* WOLFSSL_ASYNC_CRYPT */
|
|
|
|
return ret;
|
|
}
|
|
|
|
#ifdef WOLF_PRIVATE_KEY_ID
|
|
int wc_HmacInit_Id(Hmac* hmac, unsigned char* id, int len, void* heap,
|
|
int devId)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (hmac == NULL)
|
|
ret = BAD_FUNC_ARG;
|
|
if (ret == 0 && (len < 0 || len > HMAC_MAX_ID_LEN))
|
|
ret = BUFFER_E;
|
|
|
|
if (ret == 0)
|
|
ret = wc_HmacInit(hmac, heap, devId);
|
|
if (ret == 0) {
|
|
XMEMCPY(hmac->id, id, (size_t)len);
|
|
hmac->idLen = len;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int wc_HmacInit_Label(Hmac* hmac, const char* label, void* heap, int devId)
|
|
{
|
|
int ret = 0;
|
|
int labelLen = 0;
|
|
|
|
if (hmac == NULL || label == NULL)
|
|
ret = BAD_FUNC_ARG;
|
|
if (ret == 0) {
|
|
labelLen = (int)XSTRLEN(label);
|
|
if (labelLen == 0 || labelLen > HMAC_MAX_LABEL_LEN)
|
|
ret = BUFFER_E;
|
|
}
|
|
|
|
if (ret == 0)
|
|
ret = wc_HmacInit(hmac, heap, devId);
|
|
if (ret == 0) {
|
|
XMEMCPY(hmac->label, label, (size_t)labelLen);
|
|
hmac->labelLen = labelLen;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif /* WOLF_PRIVATE_KEY_ID */
|
|
|
|
/* Free Hmac from use with async device */
|
|
void wc_HmacFree(Hmac* hmac)
|
|
{
|
|
if (hmac == NULL)
|
|
return;
|
|
|
|
#ifdef WOLF_CRYPTO_CB
|
|
/* handle cleanup case where final is not called */
|
|
if (hmac->devId != INVALID_DEVID && hmac->devCtx != NULL) {
|
|
int ret;
|
|
byte finalHash[WC_HMAC_BLOCK_SIZE];
|
|
ret = wc_CryptoCb_Hmac(hmac, hmac->macType, NULL, 0, finalHash);
|
|
(void)ret; /* must ignore return code here */
|
|
(void)finalHash;
|
|
}
|
|
#endif
|
|
|
|
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
|
|
wolfAsync_DevCtxFree(&hmac->asyncDev, WOLFSSL_ASYNC_MARKER_HMAC);
|
|
#endif /* WOLFSSL_ASYNC_CRYPT */
|
|
|
|
switch (hmac->macType) {
|
|
#ifndef NO_MD5
|
|
case WC_MD5:
|
|
wc_Md5Free(&hmac->hash.md5);
|
|
#ifdef WOLFSSL_HMAC_COPY_HASH
|
|
wc_Md5Free(&hmac->i_hash.md5);
|
|
wc_Md5Free(&hmac->o_hash.md5);
|
|
#endif
|
|
break;
|
|
#endif /* !NO_MD5 */
|
|
|
|
#ifndef NO_SHA
|
|
case WC_SHA:
|
|
wc_ShaFree(&hmac->hash.sha);
|
|
#ifdef WOLFSSL_HMAC_COPY_HASH
|
|
wc_ShaFree(&hmac->i_hash.sha);
|
|
wc_ShaFree(&hmac->o_hash.sha);
|
|
#endif
|
|
break;
|
|
#endif /* !NO_SHA */
|
|
|
|
#ifdef WOLFSSL_SHA224
|
|
case WC_SHA224:
|
|
wc_Sha224Free(&hmac->hash.sha224);
|
|
#ifdef WOLFSSL_HMAC_COPY_HASH
|
|
wc_Sha224Free(&hmac->i_hash.sha224);
|
|
wc_Sha224Free(&hmac->o_hash.sha224);
|
|
#endif
|
|
break;
|
|
#endif /* WOLFSSL_SHA224 */
|
|
#ifndef NO_SHA256
|
|
case WC_SHA256:
|
|
wc_Sha256Free(&hmac->hash.sha256);
|
|
#ifdef WOLFSSL_HMAC_COPY_HASH
|
|
wc_Sha256Free(&hmac->i_hash.sha256);
|
|
wc_Sha256Free(&hmac->o_hash.sha256);
|
|
#endif
|
|
break;
|
|
#endif /* !NO_SHA256 */
|
|
|
|
#ifdef WOLFSSL_SHA384
|
|
case WC_SHA384:
|
|
wc_Sha384Free(&hmac->hash.sha384);
|
|
#ifdef WOLFSSL_HMAC_COPY_HASH
|
|
wc_Sha384Free(&hmac->i_hash.sha384);
|
|
wc_Sha384Free(&hmac->o_hash.sha384);
|
|
#endif
|
|
break;
|
|
#endif /* WOLFSSL_SHA384 */
|
|
#ifdef WOLFSSL_SHA512
|
|
case WC_SHA512:
|
|
wc_Sha512Free(&hmac->hash.sha512);
|
|
#ifdef WOLFSSL_HMAC_COPY_HASH
|
|
wc_Sha512Free(&hmac->i_hash.sha512);
|
|
wc_Sha512Free(&hmac->o_hash.sha512);
|
|
#endif
|
|
break;
|
|
#endif /* WOLFSSL_SHA512 */
|
|
|
|
#ifdef WOLFSSL_SHA3
|
|
#ifndef WOLFSSL_NOSHA3_224
|
|
case WC_SHA3_224:
|
|
wc_Sha3_224_Free(&hmac->hash.sha3);
|
|
#ifdef WOLFSSL_HMAC_COPY_HASH
|
|
wc_Sha3_224_Free(&hmac->i_hash.sha3);
|
|
wc_Sha3_224_Free(&hmac->o_hash.sha3);
|
|
#endif
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_256
|
|
case WC_SHA3_256:
|
|
wc_Sha3_256_Free(&hmac->hash.sha3);
|
|
#ifdef WOLFSSL_HMAC_COPY_HASH
|
|
wc_Sha3_256_Free(&hmac->i_hash.sha3);
|
|
wc_Sha3_256_Free(&hmac->o_hash.sha3);
|
|
#endif
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_384
|
|
case WC_SHA3_384:
|
|
wc_Sha3_384_Free(&hmac->hash.sha3);
|
|
#ifdef WOLFSSL_HMAC_COPY_HASH
|
|
wc_Sha3_384_Free(&hmac->i_hash.sha3);
|
|
wc_Sha3_384_Free(&hmac->o_hash.sha3);
|
|
#endif
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_512
|
|
case WC_SHA3_512:
|
|
wc_Sha3_512_Free(&hmac->hash.sha3);
|
|
#ifdef WOLFSSL_HMAC_COPY_HASH
|
|
wc_Sha3_512_Free(&hmac->i_hash.sha3);
|
|
wc_Sha3_512_Free(&hmac->o_hash.sha3);
|
|
#endif
|
|
break;
|
|
#endif
|
|
#endif /* WOLFSSL_SHA3 */
|
|
|
|
#ifdef WOLFSSL_SM3
|
|
case WC_SM3:
|
|
wc_Sm3Free(&hmac->hash.sm3);
|
|
#ifdef WOLFSSL_HMAC_COPY_HASH
|
|
wc_Sm3Free(&hmac->i_hash.sm3);
|
|
wc_Sm3Free(&hmac->o_hash.sm3);
|
|
#endif
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ForceZero(hmac, sizeof(*hmac));
|
|
}
|
|
#endif /* WOLFSSL_KCAPI_HMAC */
|
|
|
|
int wolfSSL_GetHmacMaxSize(void)
|
|
{
|
|
return WC_MAX_DIGEST_SIZE;
|
|
}
|
|
|
|
#ifdef HAVE_HKDF
|
|
/* HMAC-KDF-Extract.
|
|
* RFC 5869 - HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
|
|
*
|
|
* type The hash algorithm type.
|
|
* salt The optional salt value.
|
|
* saltSz The size of the salt.
|
|
* inKey The input keying material.
|
|
* inKeySz The size of the input keying material.
|
|
* out The pseudorandom key with the length that of the hash.
|
|
* returns 0 on success, otherwise failure.
|
|
*/
|
|
int wc_HKDF_Extract_ex(int type, const byte* salt, word32 saltSz,
|
|
const byte* inKey, word32 inKeySz, byte* out, void* heap, int devId)
|
|
{
|
|
byte tmp[WC_MAX_DIGEST_SIZE]; /* localSalt helper */
|
|
WC_DECLARE_VAR(myHmac, Hmac, 1, 0);
|
|
int ret;
|
|
const byte* localSalt; /* either points to user input or tmp */
|
|
word32 hashSz;
|
|
|
|
ret = wc_HmacSizeByType(type);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
WC_ALLOC_VAR_EX(myHmac, Hmac, 1, NULL, DYNAMIC_TYPE_HMAC,
|
|
return MEMORY_E);
|
|
|
|
hashSz = (word32)ret;
|
|
localSalt = salt;
|
|
if (localSalt == NULL) {
|
|
XMEMSET(tmp, 0, hashSz);
|
|
localSalt = tmp;
|
|
saltSz = hashSz;
|
|
}
|
|
|
|
ret = wc_HmacInit(myHmac, heap, devId);
|
|
if (ret == 0) {
|
|
#if FIPS_VERSION3_GE(6,0,0)
|
|
ret = wc_HmacSetKey_ex(myHmac, type, localSalt, saltSz,
|
|
FIPS_ALLOW_SHORT);
|
|
#else
|
|
ret = wc_HmacSetKey(myHmac, type, localSalt, saltSz);
|
|
#endif
|
|
if (ret == 0)
|
|
ret = wc_HmacUpdate(myHmac, inKey, inKeySz);
|
|
if (ret == 0)
|
|
ret = wc_HmacFinal(myHmac, out);
|
|
wc_HmacFree(myHmac);
|
|
}
|
|
WC_FREE_VAR_EX(myHmac, NULL, DYNAMIC_TYPE_HMAC);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int wc_HKDF_Extract(int type, const byte* salt, word32 saltSz,
|
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const byte* inKey, word32 inKeySz, byte* out)
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{
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return wc_HKDF_Extract_ex(type, salt, saltSz, inKey, inKeySz, out, NULL,
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INVALID_DEVID);
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}
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/* HMAC-KDF-Expand.
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* RFC 5869 - HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
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*
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* type The hash algorithm type.
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* inKey The input key.
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* inKeySz The size of the input key.
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* info The application specific information.
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* infoSz The size of the application specific information.
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* out The output keying material.
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* returns 0 on success, otherwise failure.
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*/
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int wc_HKDF_Expand_ex(int type, const byte* inKey, word32 inKeySz,
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const byte* info, word32 infoSz, byte* out, word32 outSz,
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void* heap, int devId)
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{
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byte tmp[WC_MAX_DIGEST_SIZE];
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WC_DECLARE_VAR(myHmac, Hmac, 1, 0);
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int ret = 0;
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word32 outIdx = 0;
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word32 hashSz;
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byte n = 0x1;
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ret = wc_HmacSizeByType(type);
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if (ret < 0) {
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return ret;
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}
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hashSz = (word32)ret;
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/* RFC 5869 states that the length of output keying material in
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* octets must be L <= 255*HashLen or N = ceil(L/HashLen) */
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if (out == NULL || ((outSz/hashSz) + ((outSz % hashSz) != 0)) > 255) {
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return BAD_FUNC_ARG;
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}
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WC_ALLOC_VAR_EX(myHmac, Hmac, 1, NULL, DYNAMIC_TYPE_HMAC,
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return MEMORY_E);
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ret = wc_HmacInit(myHmac, heap, devId);
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if (ret != 0) {
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WC_FREE_VAR_EX(myHmac, NULL, DYNAMIC_TYPE_HMAC);
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return ret;
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}
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XMEMSET(tmp, 0, WC_MAX_DIGEST_SIZE);
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while (outIdx < outSz) {
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word32 tmpSz = (n == 1) ? 0 : hashSz;
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word32 left = outSz - outIdx;
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#if FIPS_VERSION3_GE(6,0,0)
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ret = wc_HmacSetKey_ex(myHmac, type, inKey, inKeySz,
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FIPS_ALLOW_SHORT);
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#else
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ret = wc_HmacSetKey(myHmac, type, inKey, inKeySz);
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#endif
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if (ret != 0)
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break;
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ret = wc_HmacUpdate(myHmac, tmp, tmpSz);
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if (ret != 0)
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break;
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ret = wc_HmacUpdate(myHmac, info, infoSz);
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if (ret != 0)
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break;
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ret = wc_HmacUpdate(myHmac, &n, 1);
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if (ret != 0)
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break;
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ret = wc_HmacFinal(myHmac, tmp);
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if (ret != 0)
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break;
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left = min(left, hashSz);
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XMEMCPY(out+outIdx, tmp, left);
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outIdx += left;
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n++;
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}
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wc_HmacFree(myHmac);
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WC_FREE_VAR_EX(myHmac, NULL, DYNAMIC_TYPE_HMAC);
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return ret;
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}
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int wc_HKDF_Expand(int type, const byte* inKey, word32 inKeySz,
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const byte* info, word32 infoSz, byte* out, word32 outSz)
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{
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return wc_HKDF_Expand_ex(type, inKey, inKeySz, info, infoSz, out, outSz,
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NULL, INVALID_DEVID);
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}
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/* HMAC-KDF.
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* RFC 5869 - HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
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*
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* type The hash algorithm type.
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* inKey The input keying material.
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* inKeySz The size of the input keying material.
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* salt The optional salt value.
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* saltSz The size of the salt.
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* info The application specific information.
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* infoSz The size of the application specific information.
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* out The output keying material.
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* returns 0 on success, otherwise failure.
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*/
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int wc_HKDF_ex(int type, const byte* inKey, word32 inKeySz,
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const byte* salt, word32 saltSz, const byte* info,
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word32 infoSz, byte* out, word32 outSz, void* heap,
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int devId)
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{
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byte prk[WC_MAX_DIGEST_SIZE];
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word32 hashSz;
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int ret;
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(void)devId; /* suppress unused parameter warning */
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#ifdef WOLF_CRYPTO_CB
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/* Try crypto callback first for complete operation */
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if (devId != INVALID_DEVID) {
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ret = wc_CryptoCb_Hkdf(type, inKey, inKeySz, salt, saltSz, info,
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infoSz, out, outSz, devId);
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if (ret != WC_NO_ERR_TRACE(CRYPTOCB_UNAVAILABLE))
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return ret;
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}
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#endif
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ret = wc_HmacSizeByType(type);
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if (ret < 0) {
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return ret;
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}
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hashSz = (word32)ret;
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ret = wc_HKDF_Extract_ex(type, salt, saltSz, inKey, inKeySz, prk, heap,
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devId);
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if (ret != 0)
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return ret;
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return wc_HKDF_Expand_ex(type, prk, hashSz, info, infoSz, out, outSz,
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heap, devId);
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}
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int wc_HKDF(int type, const byte* inKey, word32 inKeySz, const byte* salt,
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word32 saltSz, const byte* info, word32 infoSz, byte* out,
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word32 outSz)
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{
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return wc_HKDF_ex(type, inKey, inKeySz, salt, saltSz, info, infoSz, out,
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outSz, NULL, INVALID_DEVID);
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}
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#endif /* HAVE_HKDF */
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#endif /* NO_HMAC */
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