add new qloud-c-sdk component

components/connectivity/iot-hub-device-c-sdk/common/cryptology/inc/utils_hmac.h

@@ -0,0 +1,68 @@
+/**
+ * @copyright
+ *
+ * Tencent is pleased to support the open source community by making IoT Hub available.
+ * Copyright(C) 2018 - 2021 THL A29 Limited, a Tencent company.All rights reserved.
+ *
+ * Licensed under the MIT License(the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://opensource.org/licenses/MIT
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @file utils_hmac.h
+ * @brief header file for utils_hmac
+ * @author fancyxu (fancyxu@tencent.com)
+ * @version 1.0
+ * @date 2021-05-31
+ *
+ * @par Change Log:
+ * <table>
+ * <tr><th>Date       <th>Version <th>Author    <th>Description
+ * <tr><td>2021-05-31 <td>1.0     <td>fancyxu   <td>first commit
+ * </table>
+ */
+
+#ifndef IOT_HUB_DEVICE_C_SDK_COMMON_CRYPTOLOGY_INC_UTILS_HMAC_H_
+#define IOT_HUB_DEVICE_C_SDK_COMMON_CRYPTOLOGY_INC_UTILS_HMAC_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <string.h>
+
+#include "utils_sha1.h"
+
+/**
+ * @brief Get digest of hmac-sha1.
+ *
+ * @param[in] msg message to hmac-sha1
+ * @param[in] msg_len message len
+ * @param[in] key key using in hmac-sha1
+ * @param[in] key_len key len
+ * @param[out] digest digest to calculate
+ * @return 0 for success
+ */
+int utils_hmac_sha1(const char *msg, int msg_len, const uint8_t *key, int key_len, char *digest);
+
+/**
+ * @brief Get digest hex of hmac-sha1.
+ *
+ * @param[in] msg message to hmac-sha1
+ * @param[in] msg_len message len
+ * @param[in] key key using in hmac-sha1
+ * @param[in] key_len key len
+ * @param[out] digest digest to calculate
+ * @return 0 for success
+ */
+int utils_hmac_sha1_hex(const char *msg, int msg_len, const uint8_t *key, int key_len, char *digest);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // IOT_HUB_DEVICE_C_SDK_COMMON_CRYPTOLOGY_INC_UTILS_HMAC_H_