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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>
37 lines
1.6 KiB
C
37 lines
1.6 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: Stefan Esser <sesser@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef SHA1_H
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#define SHA1_H
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#include "ext/standard/basic_functions.h"
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/* SHA1 context. */
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typedef struct {
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uint32_t state[5]; /* state (ABCD) */
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uint32_t count[2]; /* number of bits, modulo 2^64 (lsb first) */
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unsigned char buffer[64]; /* input buffer */
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} PHP_SHA1_CTX;
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#define PHP_SHA1_SPEC "l5l2b64."
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#define PHP_SHA1Init(ctx) PHP_SHA1InitArgs(ctx, NULL)
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PHPAPI void PHP_SHA1InitArgs(PHP_SHA1_CTX *, ZEND_ATTRIBUTE_UNUSED HashTable *);
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PHPAPI void PHP_SHA1Update(PHP_SHA1_CTX *, const unsigned char *, size_t);
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PHPAPI void PHP_SHA1Final(unsigned char[20], PHP_SHA1_CTX *);
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PHPAPI void make_sha1_digest(char *sha1str, const unsigned char *digest);
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#endif
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