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