Xuyi Wang
/
wolfSSL
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Diff: wolfcrypt/src/hmac.c
- Revision:
- 15:117db924cf7c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfcrypt/src/hmac.c Sat Aug 18 22:20:43 2018 +0000
@@ -0,0 +1,1214 @@
+/* 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 */
+