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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2019 HardenedLinux
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef CRC_BYTE_H
#define CRC_BYTE_H
#include <stdint.h>
/* This function is used to calculate crc7 byte by byte, with polynomial
* x^7 + x^3 + 1.
*
* prev_crc: old crc result (0 for first)
* data: new byte
* return value: new crc result
*/
uint8_t crc7_byte(uint8_t prev_crc, uint8_t data);
/* This function is used to calculate crc16 byte by byte, with polynomial
* x^16 + x^12 + x^5 + 1.
*
* prev_crc: old crc result (0 for first)
* data: new byte
* return value: new crc result
*/
uint16_t crc16_byte(uint16_t prev_crc, uint8_t data);
#endif /* CRC_BYTE_H */
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