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110b4e9094
The concrete need on this change is to support passing an initial seed to the murmur hash. Passing a custom seed is important in terms of randomizing the hash function. The suggested implementation adds a HashTable parameter to all the init callbacks. Further on, an array with custom arguments is accepted from `hash` or `hash_init` from the user land. Currently several things like `hash_hkdf` are not touched, as they don't need passing custom args. Some convenience macros have been added to the SHA/MD families of functions, so the consuming code doesn't have to be changed widely. Another way to implement this is to add another type of the init that would accept a HT with arguments. However, that would still require touching all the context structs in all the algos. That would also increase the size of those structs. As an init function is called just once, the way of modifying the existing init callback has been seen as more preferrable. Closes GH-6400. Signed-off-by: Anatol Belski <ab@php.net> Co-Developed-by: Nikita Popov <nikita.ppv@googlemail.com> Signed-off-by: Nikita Popov <nikita.ppv@googlemail.com> Acked-by: Michael Wallner <mike@php.net> Reviewed-by: Máté Kocsis <kocsismate@woohoolabs.com> Reviewed-by: Eddie Kohler <ekohler@gmail.com>
55 lines
2.4 KiB
C
55 lines
2.4 KiB
C
/*
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+----------------------------------------------------------------------+
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| Copyright (c) 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: Sara Golemon <pollita@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef PHP_HASH_SHA3_H
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#define PHP_HASH_SHA3_H
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#include "php.h"
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typedef struct {
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#ifdef HAVE_SLOW_HASH3
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unsigned char state[200]; // 5 * 5 * sizeof(uint64)
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uint32_t pos;
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#else
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unsigned char state[224]; // this must fit a Keccak_HashInstance
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#endif
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} PHP_SHA3_CTX;
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#ifdef HAVE_SLOW_HASH3
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#define PHP_SHA3_SPEC "b200l."
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#endif
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typedef PHP_SHA3_CTX PHP_SHA3_224_CTX;
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typedef PHP_SHA3_CTX PHP_SHA3_256_CTX;
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typedef PHP_SHA3_CTX PHP_SHA3_384_CTX;
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typedef PHP_SHA3_CTX PHP_SHA3_512_CTX;
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PHP_HASH_API void PHP_SHA3224Init(PHP_SHA3_224_CTX*, ZEND_ATTRIBUTE_UNUSED HashTable *);
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PHP_HASH_API void PHP_SHA3224Update(PHP_SHA3_224_CTX*, const unsigned char*, size_t);
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PHP_HASH_API void PHP_SAH3224Final(unsigned char[32], PHP_SHA3_224_CTX*);
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PHP_HASH_API void PHP_SHA3256Init(PHP_SHA3_256_CTX*, ZEND_ATTRIBUTE_UNUSED HashTable *);
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PHP_HASH_API void PHP_SHA3256Update(PHP_SHA3_256_CTX*, const unsigned char*, size_t);
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PHP_HASH_API void PHP_SAH3256Final(unsigned char[32], PHP_SHA3_256_CTX*);
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PHP_HASH_API void PHP_SHA3384Init(PHP_SHA3_384_CTX*, ZEND_ATTRIBUTE_UNUSED HashTable *);
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PHP_HASH_API void PHP_SHA3384Update(PHP_SHA3_384_CTX*, const unsigned char*, size_t);
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PHP_HASH_API void PHP_SAH3384Final(unsigned char[32], PHP_SHA3_384_CTX*);
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PHP_HASH_API void PHP_SHA3512Init(PHP_SHA3_512_CTX*, ZEND_ATTRIBUTE_UNUSED HashTable *);
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PHP_HASH_API void PHP_SHA3512Update(PHP_SHA3_512_CTX*, const unsigned char*, size_t);
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PHP_HASH_API void PHP_SAH3512Final(unsigned char[32], PHP_SHA3_512_CTX*);
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#endif
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