mirror of
https://github.com/php/php-src.git
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218 lines
9.4 KiB
C
218 lines
9.4 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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| https://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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| Authors: Rasmus Lerdorf <rasmus@php.net> |
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| Zeev Suraski <zeev@php.net> |
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| Sascha Schumann <sascha@schumann.cx> |
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| Pedro Melo <melo@ip.pt> |
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| Sterling Hughes <sterling@php.net> |
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| Sammy Kaye Powers <me@sammyk.me> |
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| Go Kudo <zeriyoshi@php.net> |
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| |
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| Based on code from: Richard J. Wagner <rjwagner@writeme.com> |
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| Makoto Matsumoto <matumoto@math.keio.ac.jp> |
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| Takuji Nishimura |
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| Shawn Cokus <Cokus@math.washington.edu> |
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| David Blackman |
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| Sebastiano Vigna <vigna@acm.org> |
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| Melissa O'Neill <oneill@pcg-random.org> |
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+----------------------------------------------------------------------+
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*/
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#ifndef PHP_RANDOM_H
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# define PHP_RANDOM_H
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# include "php.h"
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# include "php_random_csprng.h"
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# include "php_random_uint128.h"
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PHPAPI double php_combined_lcg(void);
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typedef struct _php_random_fallback_seed_state php_random_fallback_seed_state;
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PHPAPI uint64_t php_random_generate_fallback_seed(void);
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PHPAPI uint64_t php_random_generate_fallback_seed_ex(php_random_fallback_seed_state *state);
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static inline zend_long GENERATE_SEED(void)
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{
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return (zend_long)php_random_generate_fallback_seed();
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}
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# define PHP_MT_RAND_MAX ((zend_long) (0x7FFFFFFF)) /* (1<<31) - 1 */
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enum php_random_mt19937_mode {
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MT_RAND_MT19937 = 0,
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MT_RAND_PHP = 1,
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};
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#define PHP_RANDOM_RANGE_ATTEMPTS (50)
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PHPAPI void php_mt_srand(uint32_t seed);
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PHPAPI uint32_t php_mt_rand(void);
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PHPAPI zend_long php_mt_rand_range(zend_long min, zend_long max);
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PHPAPI zend_long php_mt_rand_common(zend_long min, zend_long max);
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typedef struct _php_random_status_state_combinedlcg {
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int32_t state[2];
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} php_random_status_state_combinedlcg;
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typedef struct _php_random_status_state_mt19937 {
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uint32_t count;
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enum php_random_mt19937_mode mode;
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uint32_t state[624];
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} php_random_status_state_mt19937;
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typedef struct _php_random_status_state_pcgoneseq128xslrr64 {
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php_random_uint128_t state;
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} php_random_status_state_pcgoneseq128xslrr64;
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typedef struct _php_random_status_state_xoshiro256starstar {
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uint64_t state[4];
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} php_random_status_state_xoshiro256starstar;
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typedef struct _php_random_status_state_user {
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zend_object *object;
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zend_function *generate_method;
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} php_random_status_state_user;
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typedef struct _php_random_result {
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const uint64_t result;
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const size_t size;
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} php_random_result;
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typedef struct _php_random_algo {
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const size_t state_size;
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php_random_result (*generate)(void *state);
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zend_long (*range)(void *state, zend_long min, zend_long max);
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bool (*serialize)(void *state, HashTable *data);
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bool (*unserialize)(void *state, HashTable *data);
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} php_random_algo;
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typedef struct _php_random_algo_with_state {
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const php_random_algo *algo;
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void *state;
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} php_random_algo_with_state;
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typedef struct _php_random_fallback_seed_state {
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bool initialized;
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unsigned char seed[20];
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} php_random_fallback_seed_state;
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extern PHPAPI const php_random_algo php_random_algo_combinedlcg;
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extern PHPAPI const php_random_algo php_random_algo_mt19937;
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extern PHPAPI const php_random_algo php_random_algo_pcgoneseq128xslrr64;
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extern PHPAPI const php_random_algo php_random_algo_xoshiro256starstar;
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extern PHPAPI const php_random_algo php_random_algo_secure;
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extern PHPAPI const php_random_algo php_random_algo_user;
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typedef struct _php_random_engine {
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php_random_algo_with_state engine;
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zend_object std;
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} php_random_engine;
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typedef struct _php_random_randomizer {
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php_random_algo_with_state engine;
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bool is_userland_algo;
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zend_object std;
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} php_random_randomizer;
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extern PHPAPI zend_class_entry *random_ce_Random_Engine;
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extern PHPAPI zend_class_entry *random_ce_Random_CryptoSafeEngine;
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extern PHPAPI zend_class_entry *random_ce_Random_RandomError;
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extern PHPAPI zend_class_entry *random_ce_Random_BrokenRandomEngineError;
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extern PHPAPI zend_class_entry *random_ce_Random_RandomException;
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extern PHPAPI zend_class_entry *random_ce_Random_Engine_PcgOneseq128XslRr64;
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extern PHPAPI zend_class_entry *random_ce_Random_Engine_Mt19937;
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extern PHPAPI zend_class_entry *random_ce_Random_Engine_Xoshiro256StarStar;
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extern PHPAPI zend_class_entry *random_ce_Random_Engine_Secure;
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extern PHPAPI zend_class_entry *random_ce_Random_Randomizer;
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extern PHPAPI zend_class_entry *random_ce_Random_IntervalBoundary;
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static inline php_random_engine *php_random_engine_from_obj(zend_object *object) {
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return (php_random_engine *)((char *)(object) - XtOffsetOf(php_random_engine, std));
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}
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static inline php_random_randomizer *php_random_randomizer_from_obj(zend_object *object) {
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return (php_random_randomizer *)((char *)(object) - XtOffsetOf(php_random_randomizer, std));
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}
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# define Z_RANDOM_ENGINE_P(zval) php_random_engine_from_obj(Z_OBJ_P(zval))
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# define Z_RANDOM_RANDOMIZER_P(zval) php_random_randomizer_from_obj(Z_OBJ_P(zval));
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PHPAPI void *php_random_status_alloc(const php_random_algo *algo, const bool persistent);
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PHPAPI void *php_random_status_copy(const php_random_algo *algo, void *old_status, void *new_status);
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PHPAPI void php_random_status_free(void *status, const bool persistent);
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PHPAPI php_random_engine *php_random_engine_common_init(zend_class_entry *ce, zend_object_handlers *handlers, const php_random_algo *algo);
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PHPAPI void php_random_engine_common_free_object(zend_object *object);
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PHPAPI zend_object *php_random_engine_common_clone_object(zend_object *object);
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PHPAPI uint32_t php_random_range32(php_random_algo_with_state engine, uint32_t umax);
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PHPAPI uint64_t php_random_range64(php_random_algo_with_state engine, uint64_t umax);
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PHPAPI zend_long php_random_range(php_random_algo_with_state engine, zend_long min, zend_long max);
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PHPAPI const php_random_algo *php_random_default_algo(void);
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PHPAPI void *php_random_default_status(void);
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static inline php_random_algo_with_state php_random_default_engine(void)
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{
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return (php_random_algo_with_state){
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.algo = php_random_default_algo(),
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.state = php_random_default_status(),
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};
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}
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PHPAPI zend_string *php_random_bin2hex_le(const void *ptr, const size_t len);
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PHPAPI bool php_random_hex2bin_le(zend_string *hexstr, void *dest);
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PHPAPI void php_random_combinedlcg_seed64(php_random_status_state_combinedlcg *state, uint64_t seed);
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PHPAPI void php_random_combinedlcg_seed_default(php_random_status_state_combinedlcg *state);
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PHPAPI void php_random_mt19937_seed32(php_random_status_state_mt19937 *state, uint32_t seed);
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PHPAPI void php_random_mt19937_seed_default(php_random_status_state_mt19937 *state);
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PHPAPI void php_random_pcgoneseq128xslrr64_seed128(php_random_status_state_pcgoneseq128xslrr64 *s, php_random_uint128_t seed);
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PHPAPI void php_random_pcgoneseq128xslrr64_advance(php_random_status_state_pcgoneseq128xslrr64 *state, uint64_t advance);
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PHPAPI void php_random_xoshiro256starstar_seed64(php_random_status_state_xoshiro256starstar *state, uint64_t seed);
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PHPAPI void php_random_xoshiro256starstar_seed256(php_random_status_state_xoshiro256starstar *state, uint64_t s0, uint64_t s1, uint64_t s2, uint64_t s3);
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PHPAPI void php_random_xoshiro256starstar_jump(php_random_status_state_xoshiro256starstar *state);
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PHPAPI void php_random_xoshiro256starstar_jump_long(php_random_status_state_xoshiro256starstar *state);
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PHPAPI double php_random_gammasection_closed_open(php_random_algo_with_state engine, double min, double max);
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PHPAPI double php_random_gammasection_closed_closed(php_random_algo_with_state engine, double min, double max);
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PHPAPI double php_random_gammasection_open_closed(php_random_algo_with_state engine, double min, double max);
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PHPAPI double php_random_gammasection_open_open(php_random_algo_with_state engine, double min, double max);
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extern zend_module_entry random_module_entry;
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# define phpext_random_ptr &random_module_entry
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PHP_MINIT_FUNCTION(random);
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PHP_MSHUTDOWN_FUNCTION(random);
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PHP_RINIT_FUNCTION(random);
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ZEND_BEGIN_MODULE_GLOBALS(random)
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bool combined_lcg_seeded;
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bool mt19937_seeded;
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php_random_fallback_seed_state fallback_seed_state;
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php_random_status_state_combinedlcg combined_lcg;
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php_random_status_state_mt19937 mt19937;
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ZEND_END_MODULE_GLOBALS(random)
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PHPAPI ZEND_EXTERN_MODULE_GLOBALS(random)
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# define RANDOM_G(v) ZEND_MODULE_GLOBALS_ACCESSOR(random, v)
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#endif /* PHP_RANDOM_H */
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