38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/*
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* Copyright (c) 2020 Fingerprint Cards AB
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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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* https://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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*/
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#ifndef FPC_CRC_H
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#define FPC_CRC_H
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/**
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* @file fpc_crc.h
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* @brief Functionality for calculating CRC-32.
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*/
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#include <stdint.h>
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/**
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* @brief Calculates CRC-32 value for the data in the buffer.
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*
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* @param crc Accumulated CRC-32 value, must be 0 on first call.
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* @param buf Buffer with data to calculate CRC-32 for.
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* @param size Size of buffer in number of bytes.
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* @return CRC-32 value for the data in buffer.
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*/
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uint32_t fpc_crc(uint32_t crc, const void *buf, uint32_t size);
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#endif /* FPC_CRC_H */
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