note 36622 added to function.sha1
| From: | andreas at schmeiler dot de | Date: | Thu, 16 Oct 2003 15:48:08 +0000 |
| Subject: | note 36622 added to function.sha1 | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-58701@lists.php.net to get a copy of this message | ||
refering to the first comment from "W2K":
SHA1 (so as other hash-functions) generates non back-computable keys, this means sha1 is surjective.
So please note, that SHA1 does NOT generate unique ids!!
----
Manual Page -- http://www.php.net/manual/en/function.sha1.php
Edit -- http://master.php.net/manage/user-notes.php?action=edit+36622
Delete -- http://master.php.net/manage/user-notes.php?action=delete+36622&report=yes
Reject -- http://master.php.net/manage/user-notes.php?action=reject+36622&report=yes
Search -- http://master.php.net/manage/user-notes.php