Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Diff: wolfcrypt/src/hmac.c
- Revision:
- 17:ff9d1e86ad5f
- Parent:
- 16:048e5e270a58
--- a/wolfcrypt/src/hmac.c Tue Nov 19 14:32:16 2019 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1214 +0,0 @@
-/* hmac.c
- *
- * Copyright (C) 2006-2017 wolfSSL Inc.
- *
- * This file is part of wolfSSL.
- *
- * wolfSSL is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * wolfSSL is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
- */
-
-
-#ifdef HAVE_CONFIG_H
- #include <config.h>
-#endif
-
-#include <wolfssl/wolfcrypt/settings.h>
-#include <wolfssl/wolfcrypt/error-crypt.h>
-
-#ifndef NO_HMAC
-
-#if defined(HAVE_FIPS) && \
- defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
-
- /* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
- #define FIPS_NO_WRAPPERS
-
- #ifdef USE_WINDOWS_API
- #pragma code_seg(".fipsA$b")
- #pragma const_seg(".fipsB$b")
- #endif
-#endif
-
-#include <wolfssl/wolfcrypt/hmac.h>
-
-#ifdef NO_INLINE
- #include <wolfssl/wolfcrypt/misc.h>
-#else
- #define WOLFSSL_MISC_INCLUDED
- #include <wolfcrypt/src/misc.c>
-#endif
-
-
-/* fips wrapper calls, user can call direct */
-/* If building for old FIPS. */
-#if defined(HAVE_FIPS) && \
- (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
-
- /* does init */
- int wc_HmacSetKey(Hmac* hmac, int type, const byte* key, word32 keySz)
- {
- if (hmac == NULL || (key == NULL && keySz != 0) ||
- !(type == WC_MD5 || type == WC_SHA || type == WC_SHA256 ||
- type == WC_SHA384 || type == WC_SHA512 ||
- type == BLAKE2B_ID)) {
- return BAD_FUNC_ARG;
- }
-
- return HmacSetKey_fips(hmac, type, key, keySz);
- }
- int wc_HmacUpdate(Hmac* hmac, const byte* in, word32 sz)
- {
- if (hmac == NULL || (in == NULL && sz > 0)) {
- return BAD_FUNC_ARG;
- }
-
- return HmacUpdate_fips(hmac, in, sz);
- }
- int wc_HmacFinal(Hmac* hmac, byte* out)
- {
- if (hmac == NULL) {
- return BAD_FUNC_ARG;
- }
-
- return HmacFinal_fips(hmac, out);
- }
- int wolfSSL_GetHmacMaxSize(void)
- {
- return CyaSSL_GetHmacMaxSize();
- }
-
- int wc_HmacInit(Hmac* hmac, void* heap, int devId)
- {
- (void)hmac;
- (void)heap;
- (void)devId;
- /* FIPS doesn't support:
- return HmacInit(hmac, heap, devId); */
- return 0;
- }
- void wc_HmacFree(Hmac* hmac)
- {
- (void)hmac;
- /* FIPS doesn't support:
- HmacFree(hmac); */
- }
-
- #ifdef HAVE_HKDF
- int wc_HKDF(int type, const byte* inKey, word32 inKeySz,
- const byte* salt, word32 saltSz,
- const byte* info, word32 infoSz,
- byte* out, word32 outSz)
- {
- return HKDF(type, inKey, inKeySz, salt, saltSz,
- info, infoSz, out, outSz);
- }
- #endif /* HAVE_HKDF */
-
-#else /* else build without fips, or for new fips */
-
-
-int wc_HmacSizeByType(int type)
-{
- int ret;
-
- if (!(type == WC_MD5 || type == WC_SHA ||
- type == WC_SHA224 || type == WC_SHA256 ||
- type == WC_SHA384 || type == WC_SHA512 ||
- type == WC_SHA3_224 || type == WC_SHA3_256 ||
- type == WC_SHA3_384 || type == WC_SHA3_512 ||
- type == BLAKE2B_ID)) {
- return BAD_FUNC_ARG;
- }
-
- switch (type) {
- #ifndef NO_MD5
- case WC_MD5:
- ret = WC_MD5_DIGEST_SIZE;
- break;
- #endif /* !NO_MD5 */
-
- #ifndef NO_SHA
- case WC_SHA:
- ret = WC_SHA_DIGEST_SIZE;
- break;
- #endif /* !NO_SHA */
-
- #ifdef WOLFSSL_SHA224
- case WC_SHA224:
- ret = WC_SHA224_DIGEST_SIZE;
- break;
- #endif /* WOLFSSL_SHA224 */
-
- #ifndef NO_SHA256
- case WC_SHA256:
- ret = WC_SHA256_DIGEST_SIZE;
- break;
- #endif /* !NO_SHA256 */
-
- #ifdef WOLFSSL_SHA384
- case WC_SHA384:
- ret = WC_SHA384_DIGEST_SIZE;
- break;
- #endif /* WOLFSSL_SHA384 */
- #ifdef WOLFSSL_SHA512
- case WC_SHA512:
- ret = WC_SHA512_DIGEST_SIZE;
- break;
- #endif /* WOLFSSL_SHA512 */
-
- #ifdef HAVE_BLAKE2
- case BLAKE2B_ID:
- ret = BLAKE2B_OUTBYTES;
- break;
- #endif /* HAVE_BLAKE2 */
-
- #ifdef WOLFSSL_SHA3
- case WC_SHA3_224:
- ret = WC_SHA3_224_DIGEST_SIZE;
- break;
-
- case WC_SHA3_256:
- ret = WC_SHA3_256_DIGEST_SIZE;
- break;
-
- case WC_SHA3_384:
- ret = WC_SHA3_384_DIGEST_SIZE;
- break;
-
- case WC_SHA3_512:
- ret = WC_SHA3_512_DIGEST_SIZE;
- break;
-
- #endif
-
- default:
- ret = BAD_FUNC_ARG;
- break;
- }
-
- return ret;
-}
-
-int _InitHmac(Hmac* hmac, int type, void* heap)
-{
- int ret = 0;
-
- switch (type) {
- #ifndef NO_MD5
- case WC_MD5:
- ret = wc_InitMd5(&hmac->hash.md5);
- break;
- #endif /* !NO_MD5 */
-
- #ifndef NO_SHA
- case WC_SHA:
- ret = wc_InitSha(&hmac->hash.sha);
- break;
- #endif /* !NO_SHA */
-
- #ifdef WOLFSSL_SHA224
- case WC_SHA224:
- ret = wc_InitSha224(&hmac->hash.sha224);
- break;
- #endif /* WOLFSSL_SHA224 */
-
- #ifndef NO_SHA256
- case WC_SHA256:
- ret = wc_InitSha256(&hmac->hash.sha256);
- break;
- #endif /* !NO_SHA256 */
-
- #ifdef WOLFSSL_SHA384
- case WC_SHA384:
- ret = wc_InitSha384(&hmac->hash.sha384);
- break;
- #endif /* WOLFSSL_SHA384 */
- #ifdef WOLFSSL_SHA512
- case WC_SHA512:
- ret = wc_InitSha512(&hmac->hash.sha512);
- break;
- #endif /* WOLFSSL_SHA512 */
-
- #ifdef HAVE_BLAKE2
- case BLAKE2B_ID:
- ret = wc_InitBlake2b(&hmac->hash.blake2b, BLAKE2B_256);
- break;
- #endif /* HAVE_BLAKE2 */
-
- #ifdef WOLFSSL_SHA3
- case WC_SHA3_224:
- ret = wc_InitSha3_224(&hmac->hash.sha3, heap, INVALID_DEVID);
- break;
- case WC_SHA3_256:
- ret = wc_InitSha3_256(&hmac->hash.sha3, heap, INVALID_DEVID);
- break;
- case WC_SHA3_384:
- ret = wc_InitSha3_384(&hmac->hash.sha3, heap, INVALID_DEVID);
- break;
- case WC_SHA3_512:
- ret = wc_InitSha3_512(&hmac->hash.sha3, heap, INVALID_DEVID);
- break;
- #endif
-
- default:
- ret = BAD_FUNC_ARG;
- break;
- }
-
- /* default to NULL heap hint or test value */
-#ifdef WOLFSSL_HEAP_TEST
- hmac->heap = (void)WOLFSSL_HEAP_TEST;
-#else
- hmac->heap = heap;
-#endif /* WOLFSSL_HEAP_TEST */
-
- return ret;
-}
-
-
-int wc_HmacSetKey(Hmac* hmac, int type, const byte* key, word32 length)
-{
- byte* ip;
- byte* op;
- word32 i, hmac_block_size = 0;
- int ret = 0;
- void* heap = NULL;
-
- if (hmac == NULL || (key == NULL && length != 0) ||
- !(type == WC_MD5 || type == WC_SHA ||
- type == WC_SHA224 || type == WC_SHA256 ||
- type == WC_SHA384 || type == WC_SHA512 ||
- type == WC_SHA3_224 || type == WC_SHA3_256 ||
- type == WC_SHA3_384 || type == WC_SHA3_512 ||
- type == BLAKE2B_ID)) {
- return BAD_FUNC_ARG;
- }
-
- hmac->innerHashKeyed = 0;
- hmac->macType = (byte)type;
-
- ret = _InitHmac(hmac, type, heap);
- if (ret != 0)
- return ret;
-
-#ifdef HAVE_FIPS
- if (length < HMAC_FIPS_MIN_KEY)
- return HMAC_MIN_KEYLEN_E;
-#endif
-
- 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 HAVE_BLAKE2
- case BLAKE2B_ID:
- hmac_block_size = BLAKE2B_BLOCKBYTES;
- if (length <= BLAKE2B_BLOCKBYTES) {
- if (key != NULL) {
- XMEMCPY(ip, key, length);
- }
- }
- else {
- ret = wc_Blake2bUpdate(&hmac->hash.blake2b, key, length);
- if (ret != 0)
- break;
- ret = wc_Blake2bFinal(&hmac->hash.blake2b, ip, BLAKE2B_256);
- if (ret != 0)
- break;
-
- length = BLAKE2B_256;
- }
- break;
- #endif /* HAVE_BLAKE2 */
-
- #ifdef WOLFSSL_SHA3
- 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;
- 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;
- 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;
- 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 /* 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 HAVE_BLAKE2
- case BLAKE2B_ID:
- ret = wc_Blake2bUpdate(&hmac->hash.blake2b, (byte*)hmac->ipad,
- BLAKE2B_BLOCKBYTES);
- break;
- #endif /* HAVE_BLAKE2 */
-
- #ifdef WOLFSSL_SHA3
- case WC_SHA3_224:
- ret = wc_Sha3_224_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
- WC_SHA3_224_BLOCK_SIZE);
- break;
- case WC_SHA3_256:
- ret = wc_Sha3_256_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
- WC_SHA3_256_BLOCK_SIZE);
- break;
- case WC_SHA3_384:
- ret = wc_Sha3_384_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
- WC_SHA3_384_BLOCK_SIZE);
- break;
- case WC_SHA3_512:
- ret = wc_Sha3_512_Update(&hmac->hash.sha3, (byte*)hmac->ipad,
- WC_SHA3_512_BLOCK_SIZE);
- break;
- #endif /* WOLFSSL_SHA3 */
-
- default:
- break;
- }
-
- if (ret == 0)
- hmac->innerHashKeyed = 1;
-
- 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;
- }
-
-#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 HAVE_BLAKE2
- case BLAKE2B_ID:
- ret = wc_Blake2bUpdate(&hmac->hash.blake2b, msg, length);
- break;
- #endif /* HAVE_BLAKE2 */
-
- #ifdef WOLFSSL_SHA3
- case WC_SHA3_224:
- ret = wc_Sha3_224_Update(&hmac->hash.sha3, msg, length);
- break;
- case WC_SHA3_256:
- ret = wc_Sha3_256_Update(&hmac->hash.sha3, msg, length);
- break;
- case WC_SHA3_384:
- ret = wc_Sha3_384_Update(&hmac->hash.sha3, msg, length);
- break;
- case WC_SHA3_512:
- ret = wc_Sha3_512_Update(&hmac->hash.sha3, msg, length);
- break;
- #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;
- }
-
-#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 HAVE_BLAKE2
- case BLAKE2B_ID:
- ret = wc_Blake2bFinal(&hmac->hash.blake2b, (byte*)hmac->innerHash,
- BLAKE2B_256);
- if (ret != 0)
- break;
- ret = wc_Blake2bUpdate(&hmac->hash.blake2b, (byte*)hmac->opad,
- BLAKE2B_BLOCKBYTES);
- if (ret != 0)
- break;
- ret = wc_Blake2bUpdate(&hmac->hash.blake2b, (byte*)hmac->innerHash,
- BLAKE2B_256);
- if (ret != 0)
- break;
- ret = wc_Blake2bFinal(&hmac->hash.blake2b, hash, BLAKE2B_256);
- break;
- #endif /* HAVE_BLAKE2 */
-
- #ifdef WOLFSSL_SHA3
- 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;
- 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;
- 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;
- 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 /* 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->heap = heap;
-
-#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_HMAC)
- hmac->keyLen = 0;
-
- ret = wolfAsync_DevCtxInit(&hmac->asyncDev, WOLFSSL_ASYNC_MARKER_HMAC,
- hmac->heap, devId);
-#else
- (void)devId;
-#endif /* WOLFSSL_ASYNC_CRYPT */
-
- return ret;
-}
-
-/* Free Hmac from use with async device */
-void wc_HmacFree(Hmac* hmac)
-{
- if (hmac == NULL)
- return;
-
- 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 HAVE_BLAKE2
- case BLAKE2B_ID:
- break;
- #endif /* HAVE_BLAKE2 */
-
- #ifdef WOLFSSL_SHA3
- case WC_SHA3_224:
- wc_Sha3_224_Free(&hmac->hash.sha3);
- break;
- case WC_SHA3_256:
- wc_Sha3_256_Free(&hmac->hash.sha3);
- break;
- case WC_SHA3_384:
- wc_Sha3_384_Free(&hmac->hash.sha3);
- break;
- case WC_SHA3_512:
- wc_Sha3_512_Free(&hmac->hash.sha3);
- break;
- #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 */
-}
-
-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 */
-