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64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
// Copyright 2010-2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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/**
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* The MD5 functions calculate a 128-bit cryptographic digest for any number of input bytes.
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*/
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/**
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* @brief Type defined for MD5 context
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*
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*/
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typedef struct MD5Context {
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uint32_t buf[4];
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uint32_t bits[2];
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uint8_t in[64];
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} md5_context_t;
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/**
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* @brief Initialize the MD5 context
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*
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* @param context Context object allocated by user
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*/
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void esp_rom_md5_init(md5_context_t *context);
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/**
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* @brief Running MD5 algorithm over input data
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*
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* @param context MD5 context which has been initialized by `MD5Init`
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* @param buf Input buffer
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* @param len Buffer length
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*/
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void esp_rom_md5_update(md5_context_t *context, const uint8_t *buf, uint32_t len);
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/**
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* @brief Extract the MD5 result, and erase the context
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*
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* @param digest Where to store the 128-bit digest value
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* @param context MD5 context
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*/
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void esp_rom_md5_final(uint8_t digest[16], md5_context_t *context);
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#ifdef __cplusplus
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}
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#endif
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