JezK
Edit File: php_hash_fnv.h
/* +----------------------------------------------------------------------+ | Copyright (c) The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 3.01 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | http://www.php.net/license/3_01.txt | | If you did not receive a copy of the PHP license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@php.net so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Author: Michael Maclean <mgdm@php.net> | +----------------------------------------------------------------------+ */ #ifndef PHP_HASH_FNV_H #define PHP_HASH_FNV_H #define PHP_FNV1_32_INIT ((uint32_t)0x811c9dc5) #define PHP_FNV1_32A_INIT PHP_FNV1_32_INIT #define PHP_FNV_32_PRIME ((uint32_t)0x01000193) #define PHP_FNV1_64_INIT ((uint64_t)0xcbf29ce484222325ULL) #define PHP_FNV1A_64_INIT FNV1_64_INIT #define PHP_FNV_64_PRIME ((uint64_t)0x100000001b3ULL) /* * hash types */ enum php_fnv_type { PHP_FNV_NONE = 0, /* invalid FNV hash type */ PHP_FNV0_32 = 1, /* FNV-0 32 bit hash */ PHP_FNV1_32 = 2, /* FNV-1 32 bit hash */ PHP_FNV1a_32 = 3, /* FNV-1a 32 bit hash */ PHP_FNV0_64 = 4, /* FNV-0 64 bit hash */ PHP_FNV1_64 = 5, /* FNV-1 64 bit hash */ PHP_FNV1a_64 = 6, /* FNV-1a 64 bit hash */ }; typedef struct { uint32_t state; } PHP_FNV132_CTX; #define PHP_FNV132_SPEC "l." typedef struct { uint64_t state; } PHP_FNV164_CTX; #define PHP_FNV164_SPEC "q." PHP_HASH_API void PHP_FNV132Init(PHP_FNV132_CTX *context); PHP_HASH_API void PHP_FNV132Update(PHP_FNV132_CTX *context, const unsigned char *input, size_t inputLen); PHP_HASH_API void PHP_FNV1a32Update(PHP_FNV132_CTX *context, const unsigned char *input, size_t inputLen); PHP_HASH_API void PHP_FNV132Final(unsigned char digest[16], PHP_FNV132_CTX * context); PHP_HASH_API void PHP_FNV164Init(PHP_FNV164_CTX *context); PHP_HASH_API void PHP_FNV164Update(PHP_FNV164_CTX *context, const unsigned char *input, size_t inputLen); PHP_HASH_API void PHP_FNV1a64Update(PHP_FNV164_CTX *context, const unsigned char *input, size_t inputLen); PHP_HASH_API void PHP_FNV164Final(unsigned char digest[16], PHP_FNV164_CTX * context); static uint32_t fnv_32_buf(void *buf, size_t len, uint32_t hval, int alternate); static uint64_t fnv_64_buf(void *buf, size_t len, uint64_t hval, int alternate); #endif