forked from osmocom/wireshark
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/** @file
|
|
* Declaration of CRC-8 routine and tables
|
|
*
|
|
* 2011 Roland Knall <rknall@gmail.com>
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#ifndef __CRC8_H__
|
|
#define __CRC8_H__
|
|
|
|
|
|
#include "ws_symbol_export.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
/** Calculates a CRC8 checksum for the given buffer with the polynom
|
|
* 0x2F using the precompiled CRC table
|
|
* @param buf a pointer to a buffer of the given length
|
|
* @param len the length of the given buffer
|
|
* @param seed The seed to use.
|
|
* @return the CRC8 checksum for the buffer
|
|
*/
|
|
WS_DLL_PUBLIC guint8 crc8_0x2F(const guint8 *buf, guint32 len, guint8 seed);
|
|
|
|
/** Calculates a CRC8 checksum for the given buffer with the polynom
|
|
* 0x37 using the precompiled CRC table
|
|
* @param buf a pointer to a buffer of the given length
|
|
* @param len the length of the given buffer
|
|
* @param seed The seed to use.
|
|
* @return the CRC8 checksum for the buffer
|
|
*/
|
|
WS_DLL_PUBLIC guint8 crc8_0x37(const guint8 *buf, guint32 len, guint8 seed);
|
|
|
|
/** Calculates a CRC8 checksum for the given buffer with the polynom
|
|
* 0x3B using the precompiled CRC table
|
|
* @param buf a pointer to a buffer of the given length
|
|
* @param len the length of the given buffer
|
|
* @param seed The seed to use.
|
|
* @return the CRC8 checksum for the buffer
|
|
*/
|
|
WS_DLL_PUBLIC guint8 crc8_0x3B(const guint8 *buf, guint32 len, guint8 seed);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* crc8.h */
|