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80 lines
2.9 KiB
C
80 lines
2.9 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 7 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2018 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Michael Maclean <mgdm@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifndef PHP_HASH_FNV_H
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#define PHP_HASH_FNV_H
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#define PHP_FNV1_32_INIT ((uint32_t)0x811c9dc5)
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#define PHP_FNV1_32A_INIT PHP_FNV1_32_INIT
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#define PHP_FNV_32_PRIME ((uint32_t)0x01000193)
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#define PHP_FNV1_64_INIT ((uint64_t)0xcbf29ce484222325ULL)
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#define PHP_FNV1A_64_INIT FNV1_64_INIT
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#define PHP_FNV_64_PRIME ((uint64_t)0x100000001b3ULL)
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/*
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* hash types
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*/
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enum php_fnv_type {
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PHP_FNV_NONE = 0, /* invalid FNV hash type */
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PHP_FNV0_32 = 1, /* FNV-0 32 bit hash */
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PHP_FNV1_32 = 2, /* FNV-1 32 bit hash */
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PHP_FNV1a_32 = 3, /* FNV-1a 32 bit hash */
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PHP_FNV0_64 = 4, /* FNV-0 64 bit hash */
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PHP_FNV1_64 = 5, /* FNV-1 64 bit hash */
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PHP_FNV1a_64 = 6, /* FNV-1a 64 bit hash */
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};
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typedef struct {
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uint32_t state;
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} PHP_FNV132_CTX;
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typedef struct {
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uint64_t state;
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} PHP_FNV164_CTX;
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PHP_HASH_API void PHP_FNV132Init(PHP_FNV132_CTX *context);
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PHP_HASH_API void PHP_FNV132Update(PHP_FNV132_CTX *context, const unsigned char *input, unsigned int inputLen);
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PHP_HASH_API void PHP_FNV1a32Update(PHP_FNV132_CTX *context, const unsigned char *input, unsigned int inputLen);
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PHP_HASH_API void PHP_FNV132Final(unsigned char digest[16], PHP_FNV132_CTX * context);
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PHP_HASH_API void PHP_FNV164Init(PHP_FNV164_CTX *context);
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PHP_HASH_API void PHP_FNV164Update(PHP_FNV164_CTX *context, const unsigned char *input, unsigned int inputLen);
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PHP_HASH_API void PHP_FNV1a64Update(PHP_FNV164_CTX *context, const unsigned char *input, unsigned int inputLen);
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PHP_HASH_API void PHP_FNV164Final(unsigned char digest[16], PHP_FNV164_CTX * context);
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static uint32_t fnv_32_buf(void *buf, size_t len, uint32_t hval, int alternate);
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static uint64_t fnv_64_buf(void *buf, size_t len, uint64_t hval, int alternate);
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#endif
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: noet sw=4 ts=4 fdm=marker
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* vim<600: noet sw=4 ts=4
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*/
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