46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
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*
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* This document is the property of Apple Computer, Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Computer, Inc.
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*/
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#ifndef __LIB_CKSUM_H
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#define __LIB_CKSUM_H
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#include <stdint.h>
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#include <sys/types.h>
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__BEGIN_DECLS
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/* various checksum & crc routines */
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/* POSIX 1003.2 checksum (same as cksum command) */
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#define INITIAL_CRC (0)
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uint32_t crc(const void *buf, size_t len);
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/* same as above, but on a single byte */
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uint32_t crc_byte(uint32_t thecrc, uint32_t byte_val);
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/* adler32 */
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uint32_t adler32(const uint8_t *buf, long len);
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/* crc32 CCITT*/
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uint32_t update_crc32(uint32_t crc, const uint8_t *buf, int len);
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uint32_t crc32(const uint8_t *buf, int len);
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void siphash(uint8_t *out, const uint8_t *in, size_t inlen, const uint8_t *k);
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void siphash_aligned(uint64_t *out, const uint64_t *in_aligned, size_t inlen, const uint64_t *k);
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#define SIPHASH_KEY_SIZE (16)
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#define SIPHASH_HASH_SIZE (8)
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__END_DECLS
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#endif
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