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/*
* Copyright (c) 2016-2022 Bouffalolab.
*
* This file is part of
* *** Bouffalolab Software Dev Kit ***
* (see www.bouffalolab.com).
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of Bouffalo Lab nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _IOTX_COMMON_HMAC_H_
#define _IOTX_COMMON_HMAC_H_
#include <string.h>
#define KEY_IOPAD_SIZE (64)
#define MD5_DIGEST_SIZE (16)
#define SHA1_DIGEST_SIZE (20)
#define SHA256_DIGEST_SIZE (32)
#ifdef UTILS_MD5
void utils_hmac_md5(const char *msg, int msg_len, char *digest, const char *key, int key_len);
#endif
#ifdef UTILS_SHA1
void utils_hmac_sha1(const char *msg, int msg_len, char *digest, const char *key, int key_len);
void utils_hmac_sha1_hex(const char *msg, int msg_len, char *digest, const char *key, int key_len);
#endif
#ifdef UTILS_SHA256
void utils_hmac_sha256(const char *msg, int msg_len, char *digest, const char *key, int key_len);
#endif
#endif
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