SESSID string length heuristics
| From: | Barbu Paul Gh. | Date: | Thu, 29 Dec 2011 18:18:49 +0000 |
| Subject: | SESSID string length heuristics | ||
| Groups: | php.internals | ||
| Request: | Send a blank email to internals+get-57148@lists.php.net to get a copy of this message | ||
Hello.
I'd like to know what's the explanation behind the math done on line #413 in
ext/session/session.c [1] and why couldn't it be just:
total_bits / hash_bits_per_character
Where total_bits equals 128 if the hash function is md5 or 160 if sha1.
[1] http://svn.php.net/viewvc/php/php-src/trunk/ext/session/session.c?view=markup
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