crc32.h
/*
* Copyright (c) 2013, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of Freescale Semiconductor, Inc. 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
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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*/
#ifndef _CRC_H_
#define _CRC_H_
#include <stdint.h>
#include "bootloader_common.h"
// Definitions
typedef struct Crc32Data
{
uint32_t currentCrc;
uint32_t byteCountCrc;
} crc32_data_t;
// API
#if __cplusplus
extern "C" {
#endif
void crc32_init(crc32_data_t *crc32Config);
void crc32_update(crc32_data_t *crc32Config, const uint8_t *src, uint32_t lengthInBytes);
void crc32_finalize(crc32_data_t *crc32Config, uint32_t *hash);
#if __cplusplus
}
#endif
#endif
// EOF
crc32_init
void crc32_init(crc32_data_t *crc32Config)
Initializes the parameters of the crc function, must be called first.
Definition: crc32.c:153
crc32_finalize
void crc32_finalize(crc32_data_t *crc32Config, uint32_t *hash)
Calculates the final crc value, padding with zeros if necessary, must be called last.
Definition: crc32.c:177
crc32_data_t::byteCountCrc
uint32_t byteCountCrc
Number of bytes processed.
Definition: crc32.h:47
crc32_data_t
State information for the CRC32 algorithm.
Definition: crc32.h:44
crc32_update
void crc32_update(crc32_data_t *crc32Config, const uint8_t *src, uint32_t lengthInBytes)
A "running" crc calculator that updates the crc value after each call.
Definition: crc32.c:161
crc32_data_t::currentCrc
uint32_t currentCrc
Current CRC value.
Definition: crc32.h:46