archive/php-src
1
0
Fork 0
mirror of https://github.com/php/php-src.git synced 2025-08-16 05:58:45 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

Worked with Samy Kamkar to improve LCG entropy.

Browse source
This commit is contained in:
Rasmus Lerdorf 2010-01-08 09:43:14 +00:00
parent 679b228391
commit 58867bacc1
2 changed files with 7 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

1
NEWS
View file

@ -7,6 +7,7 @@ PHP NEWS
- Added missing host validation for HTTP urls inside FILTER_VALIDATE_URL.
(Ilia)
- Added stream_resolve_include_path(). (Mikko)
- Improved LCG entropy (Rasmus, Samy Kamkar)
- Fixed bug #50680 (strtotime() does not support eighth ordinal number).
(Ilia)

7
ext/standard/lcg.c
View file

@ -78,7 +78,7 @@ static void lcg_seed(TSRMLS_D) /* {{{ */
struct timeval tv;
if (gettimeofday(&tv, NULL) == 0) {
LCG(s1) = tv.tv_sec ^ (~tv.tv_usec);
LCG(s1) = tv.tv_sec ^ (tv.tv_usec<<11);
} else {
LCG(s1) = 1;
}
@ -88,6 +88,11 @@ static void lcg_seed(TSRMLS_D) /* {{{ */
LCG(s2) = (long) getpid();
#endif
/* Add entropy to s2 by calling gettimeofday() again */
if (gettimeofday(&tv, NULL) == 0) {
LCG(s2) ^= (tv.tv_usec<<11);
}
LCG(seeded) = 1;
}
/* }}} */