27 lines
730 B
C
27 lines
730 B
C
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/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Very simple 8-bit CRC function.
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*/
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#ifndef VBOOT_REFERENCE_2CRC8_H_
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#define VBOOT_REFERENCE_2CRC8_H_
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#include "2sysincludes.h"
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/**
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* Calculate CRC-8 of the data, using the ITU version.
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*
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* Calculate CRC-8 ITU version of the given buffer, using x^8 + x^2 + x + 1
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* polynomial. Note that the CRC-8 will evaluate to zero for a buffer of all
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* zeroes.
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*
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* @param data Data to CRC
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* @param size Size of data in bytes
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* @return CRC-8 of the data.
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*/
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uint8_t vb2_crc8(const void *data, uint32_t size);
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#endif /* VBOOT_REFERENCE_2CRC8_H_ */
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