mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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94aa31c3cb
* deleted old version wolfSSL before updating * updated wolfSSL to the latest version(v4.4.0) * updated wolfSSL to the latest version(v4.4.0) * added macros for timing resistance Co-authored-by: RichardBarry <3073890+RichardBarry@users.noreply.github.com> Co-authored-by: Ming Yue <mingyue86010@gmail.com>
1290 lines
37 KiB
C
1290 lines
37 KiB
C
/* hmac.c
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*
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* Copyright (C) 2006-2020 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 2 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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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <wolfssl/wolfcrypt/settings.h>
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#include <wolfssl/wolfcrypt/error-crypt.h>
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#ifndef NO_HMAC
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#if defined(HAVE_FIPS) && \
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defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
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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$b")
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#pragma const_seg(".fipsB$b")
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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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/* fips wrapper calls, user can call direct */
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/* If building for old FIPS. */
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#if defined(HAVE_FIPS) && \
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(!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
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/* does init */
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int wc_HmacSetKey(Hmac* hmac, int type, const byte* key, word32 keySz)
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{
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if (hmac == NULL || (key == NULL && keySz != 0) ||
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!(type == WC_MD5 || type == WC_SHA || type == WC_SHA256 ||
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type == WC_SHA384 || type == WC_SHA512)) {
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return BAD_FUNC_ARG;
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}
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return HmacSetKey_fips(hmac, type, key, keySz);
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}
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int wc_HmacUpdate(Hmac* hmac, const byte* in, word32 sz)
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{
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if (hmac == NULL || (in == NULL && sz > 0)) {
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return BAD_FUNC_ARG;
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}
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return HmacUpdate_fips(hmac, in, sz);
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}
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int wc_HmacFinal(Hmac* hmac, byte* out)
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{
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if (hmac == NULL) {
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return BAD_FUNC_ARG;
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}
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return HmacFinal_fips(hmac, out);
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}
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int wolfSSL_GetHmacMaxSize(void)
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{
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return CyaSSL_GetHmacMaxSize();
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}
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int wc_HmacInit(Hmac* hmac, void* heap, int devId)
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{
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(void)hmac;
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(void)heap;
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(void)devId;
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/* FIPS doesn't support:
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return HmacInit(hmac, heap, devId); */
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return 0;
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}
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void wc_HmacFree(Hmac* hmac)
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{
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(void)hmac;
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/* FIPS doesn't support:
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HmacFree(hmac); */
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}
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#ifdef HAVE_HKDF
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int wc_HKDF(int type, const byte* inKey, word32 inKeySz,
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const byte* salt, word32 saltSz,
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const byte* info, word32 infoSz,
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byte* out, word32 outSz)
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{
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return HKDF(type, inKey, inKeySz, salt, saltSz,
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info, infoSz, out, outSz);
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}
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#endif /* HAVE_HKDF */
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#else /* else build without fips, or for new fips */
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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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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
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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 = 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(&hmac->hash.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_InitSha(&hmac->hash.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_InitSha224(&hmac->hash.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_InitSha256(&hmac->hash.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_InitSha384(&hmac->hash.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_InitSha512(&hmac->hash.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_InitSha3_224(&hmac->hash.sha3, heap, INVALID_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(&hmac->hash.sha3, heap, INVALID_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(&hmac->hash.sha3, heap, INVALID_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(&hmac->hash.sha3, heap, INVALID_DEVID);
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break;
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#endif
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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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/* 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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int wc_HmacSetKey(Hmac* hmac, int type, const byte* key, word32 length)
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{
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byte* ip;
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byte* op;
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word32 i, hmac_block_size = 0;
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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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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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#ifndef HAVE_FIPS
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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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wc_HmacFree(hmac);
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}
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#endif
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hmac->innerHashKeyed = 0;
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hmac->macType = (byte)type;
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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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#ifdef HAVE_FIPS
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if (length < HMAC_FIPS_MIN_KEY)
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return HMAC_MIN_KEYLEN_E;
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#endif
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#ifdef WOLF_CRYPTO_CB
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hmac->keyRaw = key; /* use buffer directly */
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hmac->keyLen = length;
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#endif
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ip = (byte*)hmac->ipad;
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op = (byte*)hmac->opad;
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switch (hmac->macType) {
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#ifndef NO_MD5
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case WC_MD5:
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hmac_block_size = WC_MD5_BLOCK_SIZE;
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if (length <= WC_MD5_BLOCK_SIZE) {
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if (key != NULL) {
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XMEMCPY(ip, key, length);
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}
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}
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else {
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ret = wc_Md5Update(&hmac->hash.md5, key, length);
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if (ret != 0)
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break;
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ret = wc_Md5Final(&hmac->hash.md5, ip);
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if (ret != 0)
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break;
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length = WC_MD5_DIGEST_SIZE;
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}
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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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hmac_block_size = WC_SHA_BLOCK_SIZE;
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if (length <= WC_SHA_BLOCK_SIZE) {
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if (key != NULL) {
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XMEMCPY(ip, key, length);
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}
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}
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else {
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ret = wc_ShaUpdate(&hmac->hash.sha, key, length);
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if (ret != 0)
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break;
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ret = wc_ShaFinal(&hmac->hash.sha, ip);
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if (ret != 0)
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break;
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length = WC_SHA_DIGEST_SIZE;
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}
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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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hmac_block_size = WC_SHA224_BLOCK_SIZE;
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if (length <= WC_SHA224_BLOCK_SIZE) {
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if (key != NULL) {
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XMEMCPY(ip, key, length);
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}
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}
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else {
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ret = wc_Sha224Update(&hmac->hash.sha224, key, length);
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if (ret != 0)
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break;
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ret = wc_Sha224Final(&hmac->hash.sha224, ip);
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if (ret != 0)
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break;
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length = WC_SHA224_DIGEST_SIZE;
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}
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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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hmac_block_size = WC_SHA256_BLOCK_SIZE;
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if (length <= WC_SHA256_BLOCK_SIZE) {
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if (key != NULL) {
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XMEMCPY(ip, key, length);
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}
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}
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else {
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ret = wc_Sha256Update(&hmac->hash.sha256, key, length);
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if (ret != 0)
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break;
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ret = wc_Sha256Final(&hmac->hash.sha256, ip);
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if (ret != 0)
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break;
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length = WC_SHA256_DIGEST_SIZE;
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}
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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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hmac_block_size = WC_SHA384_BLOCK_SIZE;
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if (length <= WC_SHA384_BLOCK_SIZE) {
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if (key != NULL) {
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XMEMCPY(ip, key, length);
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}
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}
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else {
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ret = wc_Sha384Update(&hmac->hash.sha384, key, length);
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if (ret != 0)
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break;
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ret = wc_Sha384Final(&hmac->hash.sha384, ip);
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if (ret != 0)
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break;
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length = WC_SHA384_DIGEST_SIZE;
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}
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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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hmac_block_size = WC_SHA512_BLOCK_SIZE;
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if (length <= WC_SHA512_BLOCK_SIZE) {
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if (key != NULL) {
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XMEMCPY(ip, key, length);
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}
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}
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else {
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ret = wc_Sha512Update(&hmac->hash.sha512, key, length);
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if (ret != 0)
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break;
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ret = wc_Sha512Final(&hmac->hash.sha512, ip);
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if (ret != 0)
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break;
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length = WC_SHA512_DIGEST_SIZE;
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}
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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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hmac_block_size = WC_SHA3_224_BLOCK_SIZE;
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if (length <= WC_SHA3_224_BLOCK_SIZE) {
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if (key != NULL) {
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XMEMCPY(ip, key, length);
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}
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}
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else {
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ret = wc_Sha3_224_Update(&hmac->hash.sha3, key, length);
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if (ret != 0)
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break;
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ret = wc_Sha3_224_Final(&hmac->hash.sha3, ip);
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if (ret != 0)
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break;
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length = WC_SHA3_224_DIGEST_SIZE;
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}
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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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hmac_block_size = WC_SHA3_256_BLOCK_SIZE;
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if (length <= WC_SHA3_256_BLOCK_SIZE) {
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if (key != NULL) {
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XMEMCPY(ip, key, length);
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}
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}
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else {
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ret = wc_Sha3_256_Update(&hmac->hash.sha3, key, length);
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if (ret != 0)
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break;
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ret = wc_Sha3_256_Final(&hmac->hash.sha3, ip);
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if (ret != 0)
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break;
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length = WC_SHA3_256_DIGEST_SIZE;
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}
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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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hmac_block_size = WC_SHA3_384_BLOCK_SIZE;
|
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if (length <= WC_SHA3_384_BLOCK_SIZE) {
|
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if (key != NULL) {
|
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XMEMCPY(ip, key, length);
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}
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}
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else {
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ret = wc_Sha3_384_Update(&hmac->hash.sha3, key, length);
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if (ret != 0)
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break;
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ret = wc_Sha3_384_Final(&hmac->hash.sha3, ip);
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if (ret != 0)
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break;
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length = WC_SHA3_384_DIGEST_SIZE;
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}
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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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hmac_block_size = WC_SHA3_512_BLOCK_SIZE;
|
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if (length <= WC_SHA3_512_BLOCK_SIZE) {
|
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if (key != NULL) {
|
|
XMEMCPY(ip, key, length);
|
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}
|
|
}
|
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else {
|
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ret = wc_Sha3_512_Update(&hmac->hash.sha3, key, length);
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if (ret != 0)
|
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break;
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ret = wc_Sha3_512_Final(&hmac->hash.sha3, ip);
|
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if (ret != 0)
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break;
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length = WC_SHA3_512_DIGEST_SIZE;
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}
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|
break;
|
|
#endif
|
|
#endif /* WOLFSSL_SHA3 */
|
|
|
|
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) {
|
|
if (length < hmac_block_size)
|
|
XMEMSET(ip + length, 0, hmac_block_size - length);
|
|
|
|
for(i = 0; i < hmac_block_size; i++) {
|
|
op[i] = ip[i] ^ OPAD;
|
|
ip[i] ^= IPAD;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int HmacKeyInnerHash(Hmac* hmac)
|
|
{
|
|
int ret = 0;
|
|
|
|
switch (hmac->macType) {
|
|
#ifndef NO_MD5
|
|
case WC_MD5:
|
|
ret = wc_Md5Update(&hmac->hash.md5, (byte*)hmac->ipad,
|
|
WC_MD5_BLOCK_SIZE);
|
|
break;
|
|
#endif /* !NO_MD5 */
|
|
|
|
#ifndef NO_SHA
|
|
case WC_SHA:
|
|
ret = wc_ShaUpdate(&hmac->hash.sha, (byte*)hmac->ipad,
|
|
WC_SHA_BLOCK_SIZE);
|
|
break;
|
|
#endif /* !NO_SHA */
|
|
|
|
#ifdef WOLFSSL_SHA224
|
|
case WC_SHA224:
|
|
ret = wc_Sha224Update(&hmac->hash.sha224, (byte*)hmac->ipad,
|
|
WC_SHA224_BLOCK_SIZE);
|
|
break;
|
|
#endif /* WOLFSSL_SHA224 */
|
|
#ifndef NO_SHA256
|
|
case WC_SHA256:
|
|
ret = wc_Sha256Update(&hmac->hash.sha256, (byte*)hmac->ipad,
|
|
WC_SHA256_BLOCK_SIZE);
|
|
break;
|
|
#endif /* !NO_SHA256 */
|
|
|
|
#ifdef WOLFSSL_SHA384
|
|
case WC_SHA384:
|
|
ret = wc_Sha384Update(&hmac->hash.sha384, (byte*)hmac->ipad,
|
|
WC_SHA384_BLOCK_SIZE);
|
|
break;
|
|
#endif /* WOLFSSL_SHA384 */
|
|
#ifdef WOLFSSL_SHA512
|
|
case WC_SHA512:
|
|
ret = wc_Sha512Update(&hmac->hash.sha512, (byte*)hmac->ipad,
|
|
WC_SHA512_BLOCK_SIZE);
|
|
break;
|
|
#endif /* WOLFSSL_SHA512 */
|
|
|
|
#ifdef WOLFSSL_SHA3
|
|
#ifndef WOLFSSL_NOSHA3_224
|
|
case WC_SHA3_224:
|
|
ret = wc_Sha3_224_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
|
|
WC_SHA3_224_BLOCK_SIZE);
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_256
|
|
case WC_SHA3_256:
|
|
ret = wc_Sha3_256_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
|
|
WC_SHA3_256_BLOCK_SIZE);
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_384
|
|
case WC_SHA3_384:
|
|
ret = wc_Sha3_384_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
|
|
WC_SHA3_384_BLOCK_SIZE);
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_512
|
|
case WC_SHA3_512:
|
|
ret = wc_Sha3_512_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
|
|
WC_SHA3_512_BLOCK_SIZE);
|
|
break;
|
|
#endif
|
|
#endif /* WOLFSSL_SHA3 */
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (ret == 0)
|
|
hmac->innerHashKeyed = WC_HMAC_INNER_HASH_KEYED_SW;
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
int wc_HmacUpdate(Hmac* hmac, const byte* msg, word32 length)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (hmac == NULL || (msg == NULL && length > 0)) {
|
|
return BAD_FUNC_ARG;
|
|
}
|
|
|
|
#ifdef WOLF_CRYPTO_CB
|
|
if (hmac->devId != INVALID_DEVID) {
|
|
ret = wc_CryptoCb_Hmac(hmac, hmac->macType, msg, length, NULL);
|
|
if (ret != 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) {
|
|
ret = HmacKeyInnerHash(hmac);
|
|
if (ret != 0)
|
|
return ret;
|
|
}
|
|
|
|
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 */
|
|
|
|
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 != 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) {
|
|
ret = HmacKeyInnerHash(hmac);
|
|
if (ret != 0)
|
|
return ret;
|
|
}
|
|
|
|
switch (hmac->macType) {
|
|
#ifndef NO_MD5
|
|
case WC_MD5:
|
|
ret = wc_Md5Final(&hmac->hash.md5, (byte*)hmac->innerHash);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_Md5Update(&hmac->hash.md5, (byte*)hmac->opad,
|
|
WC_MD5_BLOCK_SIZE);
|
|
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;
|
|
ret = wc_ShaUpdate(&hmac->hash.sha, (byte*)hmac->opad,
|
|
WC_SHA_BLOCK_SIZE);
|
|
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;
|
|
ret = wc_Sha224Update(&hmac->hash.sha224, (byte*)hmac->opad,
|
|
WC_SHA224_BLOCK_SIZE);
|
|
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;
|
|
ret = wc_Sha256Update(&hmac->hash.sha256, (byte*)hmac->opad,
|
|
WC_SHA256_BLOCK_SIZE);
|
|
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;
|
|
ret = wc_Sha384Update(&hmac->hash.sha384, (byte*)hmac->opad,
|
|
WC_SHA384_BLOCK_SIZE);
|
|
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;
|
|
ret = wc_Sha512Update(&hmac->hash.sha512, (byte*)hmac->opad,
|
|
WC_SHA512_BLOCK_SIZE);
|
|
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;
|
|
ret = wc_Sha3_224_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
|
WC_SHA3_224_BLOCK_SIZE);
|
|
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;
|
|
ret = wc_Sha3_256_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
|
WC_SHA3_256_BLOCK_SIZE);
|
|
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;
|
|
ret = wc_Sha3_384_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
|
WC_SHA3_384_BLOCK_SIZE);
|
|
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;
|
|
ret = wc_Sha3_512_Update(&hmac->hash.sha3, (byte*)hmac->opad,
|
|
WC_SHA3_512_BLOCK_SIZE);
|
|
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 */
|
|
|
|
default:
|
|
ret = BAD_FUNC_ARG;
|
|
break;
|
|
}
|
|
|
|
if (ret == 0) {
|
|
hmac->innerHashKeyed = 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/* 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_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 HAVE_PKCS11
|
|
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, len);
|
|
hmac->idLen = len;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
/* 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
|
|
|
|
switch (hmac->macType) {
|
|
#ifndef NO_MD5
|
|
case WC_MD5:
|
|
wc_Md5Free(&hmac->hash.md5);
|
|
break;
|
|
#endif /* !NO_MD5 */
|
|
|
|
#ifndef NO_SHA
|
|
case WC_SHA:
|
|
wc_ShaFree(&hmac->hash.sha);
|
|
break;
|
|
#endif /* !NO_SHA */
|
|
|
|
#ifdef WOLFSSL_SHA224
|
|
case WC_SHA224:
|
|
wc_Sha224Free(&hmac->hash.sha224);
|
|
break;
|
|
#endif /* WOLFSSL_SHA224 */
|
|
#ifndef NO_SHA256
|
|
case WC_SHA256:
|
|
wc_Sha256Free(&hmac->hash.sha256);
|
|
break;
|
|
#endif /* !NO_SHA256 */
|
|
|
|
#ifdef WOLFSSL_SHA384
|
|
case WC_SHA384:
|
|
wc_Sha384Free(&hmac->hash.sha384);
|
|
break;
|
|
#endif /* WOLFSSL_SHA384 */
|
|
#ifdef WOLFSSL_SHA512
|
|
case WC_SHA512:
|
|
wc_Sha512Free(&hmac->hash.sha512);
|
|
break;
|
|
#endif /* WOLFSSL_SHA512 */
|
|
|
|
#ifdef WOLFSSL_SHA3
|
|
#ifndef WOLFSSL_NOSHA3_224
|
|
case WC_SHA3_224:
|
|
wc_Sha3_224_Free(&hmac->hash.sha3);
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_256
|
|
case WC_SHA3_256:
|
|
wc_Sha3_256_Free(&hmac->hash.sha3);
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_384
|
|
case WC_SHA3_384:
|
|
wc_Sha3_384_Free(&hmac->hash.sha3);
|
|
break;
|
|
#endif
|
|
#ifndef WOLFSSL_NOSHA3_512
|
|
case WC_SHA3_512:
|
|
wc_Sha3_512_Free(&hmac->hash.sha3);
|
|
break;
|
|
#endif
|
|
#endif /* WOLFSSL_SHA3 */
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
#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);
|
|
break;
|
|
#endif /* !NO_MD5 */
|
|
|
|
#ifndef NO_SHA
|
|
case WC_SHA:
|
|
wc_ShaFree(&hmac->hash.sha);
|
|
break;
|
|
#endif /* !NO_SHA */
|
|
|
|
#ifdef WOLFSSL_SHA224
|
|
case WC_SHA224:
|
|
wc_Sha224Free(&hmac->hash.sha224);
|
|
break;
|
|
#endif /* WOLFSSL_SHA224 */
|
|
#ifndef NO_SHA256
|
|
case WC_SHA256:
|
|
wc_Sha256Free(&hmac->hash.sha256);
|
|
break;
|
|
#endif /* !NO_SHA256 */
|
|
|
|
#ifdef WOLFSSL_SHA512
|
|
#ifdef WOLFSSL_SHA384
|
|
case WC_SHA384:
|
|
wc_Sha384Free(&hmac->hash.sha384);
|
|
break;
|
|
#endif /* WOLFSSL_SHA384 */
|
|
case WC_SHA512:
|
|
wc_Sha512Free(&hmac->hash.sha512);
|
|
break;
|
|
#endif /* WOLFSSL_SHA512 */
|
|
}
|
|
}
|
|
|
|
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(int type, const byte* salt, word32 saltSz,
|
|
const byte* inKey, word32 inKeySz, byte* out)
|
|
{
|
|
byte tmp[WC_MAX_DIGEST_SIZE]; /* localSalt helper */
|
|
Hmac myHmac;
|
|
int ret;
|
|
const byte* localSalt; /* either points to user input or tmp */
|
|
int hashSz;
|
|
|
|
ret = wc_HmacSizeByType(type);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
hashSz = ret;
|
|
localSalt = salt;
|
|
if (localSalt == NULL) {
|
|
XMEMSET(tmp, 0, hashSz);
|
|
localSalt = tmp;
|
|
saltSz = hashSz;
|
|
}
|
|
|
|
ret = wc_HmacInit(&myHmac, NULL, INVALID_DEVID);
|
|
if (ret == 0) {
|
|
ret = wc_HmacSetKey(&myHmac, type, localSalt, saltSz);
|
|
if (ret == 0)
|
|
ret = wc_HmacUpdate(&myHmac, inKey, inKeySz);
|
|
if (ret == 0)
|
|
ret = wc_HmacFinal(&myHmac, out);
|
|
wc_HmacFree(&myHmac);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* HMAC-KDF-Expand.
|
|
* RFC 5869 - HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
|
|
*
|
|
* type The hash algorithm type.
|
|
* inKey The input key.
|
|
* inKeySz The size of the input key.
|
|
* info The application specific information.
|
|
* infoSz The size of the application specific information.
|
|
* out The output keying material.
|
|
* returns 0 on success, otherwise failure.
|
|
*/
|
|
int wc_HKDF_Expand(int type, const byte* inKey, word32 inKeySz,
|
|
const byte* info, word32 infoSz, byte* out, word32 outSz)
|
|
{
|
|
byte tmp[WC_MAX_DIGEST_SIZE];
|
|
Hmac myHmac;
|
|
int ret = 0;
|
|
word32 outIdx = 0;
|
|
word32 hashSz = wc_HmacSizeByType(type);
|
|
byte n = 0x1;
|
|
|
|
ret = wc_HmacInit(&myHmac, NULL, INVALID_DEVID);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
while (outIdx < outSz) {
|
|
int tmpSz = (n == 1) ? 0 : hashSz;
|
|
word32 left = outSz - outIdx;
|
|
|
|
ret = wc_HmacSetKey(&myHmac, type, inKey, inKeySz);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_HmacUpdate(&myHmac, tmp, tmpSz);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_HmacUpdate(&myHmac, info, infoSz);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_HmacUpdate(&myHmac, &n, 1);
|
|
if (ret != 0)
|
|
break;
|
|
ret = wc_HmacFinal(&myHmac, tmp);
|
|
if (ret != 0)
|
|
break;
|
|
|
|
left = min(left, hashSz);
|
|
XMEMCPY(out+outIdx, tmp, left);
|
|
|
|
outIdx += hashSz;
|
|
n++;
|
|
}
|
|
|
|
wc_HmacFree(&myHmac);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* HMAC-KDF.
|
|
* RFC 5869 - HMAC-based Extract-and-Expand Key Derivation Function (HKDF).
|
|
*
|
|
* type The hash algorithm type.
|
|
* inKey The input keying material.
|
|
* inKeySz The size of the input keying material.
|
|
* salt The optional salt value.
|
|
* saltSz The size of the salt.
|
|
* info The application specific information.
|
|
* infoSz The size of the application specific information.
|
|
* out The output keying material.
|
|
* returns 0 on success, otherwise failure.
|
|
*/
|
|
int wc_HKDF(int type, const byte* inKey, word32 inKeySz,
|
|
const byte* salt, word32 saltSz,
|
|
const byte* info, word32 infoSz,
|
|
byte* out, word32 outSz)
|
|
{
|
|
byte prk[WC_MAX_DIGEST_SIZE];
|
|
int hashSz = wc_HmacSizeByType(type);
|
|
int ret;
|
|
|
|
if (hashSz < 0)
|
|
return BAD_FUNC_ARG;
|
|
|
|
ret = wc_HKDF_Extract(type, salt, saltSz, inKey, inKeySz, prk);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
return wc_HKDF_Expand(type, prk, hashSz, info, infoSz, out, outSz);
|
|
}
|
|
|
|
#endif /* HAVE_HKDF */
|
|
|
|
#endif /* HAVE_FIPS */
|
|
#endif /* NO_HMAC */
|