[qemu.git] / include / qemu / crc32c.h

/*
 *  Castagnoli CRC32C Checksum Algorithm
 *
 *  Polynomial: 0x11EDC6F41
 *
 *  Castagnoli93: Guy Castagnoli and Stefan Braeuer and Martin Herrman
 *               "Optimization of Cyclic Redundancy-Check Codes with 24
 *                 and 32 Parity Bits",IEEE Transactions on Communication,
 *                Volume 41, Number 6, June 1993
 *
 *  Copyright (c) 2013 Red Hat, Inc.,
 *
 *  Authors:
 *   Jeff Cody <[email protected]>
 *
 *  Based on the Linux kernel cryptographic crc32c module,
 *
 *  Copyright (c) 2004 Cisco Systems, Inc.
 *  Copyright (c) 2008 Herbert Xu <[email protected]>
 *
 * 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; either version 2 of the License, or (at your option)
 * any later version.
 *
 */

#ifndef QEMU_CRC32C_H
#define QEMU_CRC32C_H

#include "qemu-common.h"

uint32_t crc32c(uint32_t crc, const uint8_t *data, unsigned int length);

#endif
Commit	Line	Data
8e1b02b8 JC	1	/*
	2	* Castagnoli CRC32C Checksum Algorithm
	3	*
	4	* Polynomial: 0x11EDC6F41
	5	*
	6	* Castagnoli93: Guy Castagnoli and Stefan Braeuer and Martin Herrman
	7	* "Optimization of Cyclic Redundancy-Check Codes with 24
	8	* and 32 Parity Bits",IEEE Transactions on Communication,
	9	* Volume 41, Number 6, June 1993
	10	*
	11	* Copyright (c) 2013 Red Hat, Inc.,
	12	*
	13	* Authors:
	14	* Jeff Cody <[email protected]>
	15	*
	16	* Based on the Linux kernel cryptographic crc32c module,
	17	*
	18	* Copyright (c) 2004 Cisco Systems, Inc.
	19	* Copyright (c) 2008 Herbert Xu <[email protected]>
	20	*
	21	* This program is free software; you can redistribute it and/or modify it
	22	* under the terms of the GNU General Public License as published by the Free
	23	* Software Foundation; either version 2 of the License, or (at your option)
	24	* any later version.
	25	*
	26	*/
	27
0956ff5a WN	28	#ifndef QEMU_CRC32C_H
0956ff5a WN	29	#define QEMU_CRC32C_H
8e1b02b8 JC	30
	31	#include "qemu-common.h"
	32
	33	uint32_t crc32c(uint32_t crc, const uint8_t *data, unsigned int length);
	34
	35	#endif