Files
2019-08-02 15:58:49 +08:00

60 lines
1.7 KiB
C

// Copyright 2018-2019 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// 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.
#pragma once
#include <stdint.h>
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief MD5 context structure
*/
typedef struct MD5Context{
uint32_t total[2]; /*!< number of bytes processed */
uint32_t state[4]; /*!< intermediate digest state */
uint8_t buffer[64]; /*!< data block being processed */
} esp_md5_context_t;
/**
* @brief MD5 context setup
* @param ctx context to be initialized
* @return 0 if successful
*/
int esp_md5_init(esp_md5_context_t *ctx);
/**
* @brief MD5 process buffer
* @param ctx MD5 context
* @param input buffer holding the data
* @param ilen length of the input data
* @return 0 if successful
*/
int esp_md5_update(esp_md5_context_t *ctx, const uint8_t *input, size_t ilen);
/**
* @brief MD5 final digest
* @param ctx MD5 context
* @param output MD5 checksum result
* @return 0 if successful
*/
int esp_md5_final(esp_md5_context_t *ctx, uint8_t output[16]);
#ifdef __cplusplus
}
#endif