blob: f9e0ccee2c004b380b1cb5a76b17eafd642330d4 [file] [log] [blame]
/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Very simple 8-bit CRC function.
*/
#ifndef VBOOT_REFERENCE_2CRC8_H_
#define VBOOT_REFERENCE_2CRC8_H_
#include "2sysincludes.h"
/**
* Calculate CRC-8 of the data, using the ITU version.
*
* Calculate CRC-8 ITU version of the given buffer, using x^8 + x^2 + x + 1
* polynomial. Note that the CRC-8 will evaluate to zero for a buffer of all
* zeroes.
*
* @param data Data to CRC
* @param size Size of data in bytes
* @return CRC-8 of the data.
*/
uint8_t vb2_crc8(const void *data, uint32_t size);
#endif /* VBOOT_REFERENCE_2CRC8_H_ */