note 44621 added to ref.mcrypt
| From: | Wilmo at osu1 dot php dot net | Date: | Wed, 11 Aug 2004 02:54:34 +0000 |
| Subject: | note 44621 added to ref.mcrypt | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-79933@lists.php.net to get a copy of this message | ||
Changing the function as such seems to greatly help.
<?php
function encrypt($encrypt) {
global $key;
srand((double) microtime() * 1000000); //for sake of MCRYPT_RAND
$iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND);
$passcrypt = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $encrypt, MCRYPT_MODE_ECB, $iv);
$encode = base64_encode($passcrypt);
return $encode;
}
?>
by adding:
<?php
srand((double) microtime() * 1000000); //for sake of MCRYPT_RAND
?>
which I guess seeds the encryption routine differently everytime.
Thanks to robert at peakepro dot com sourced from
http://www.php.net/manual/en/function.mcrypt-create-iv.php
Cheers,
Wil
----
Manual Page -- http://www.php.net/manual/en/ref.mcrypt.php
Edit -- http://master.php.net/manage/user-notes.php?action=edit+44621
Delete -- http://master.php.net/manage/user-notes.php?action=delete+44621&report=yes
Reject -- http://master.php.net/manage/user-notes.php?action=reject+44621&report=yes
Search -- http://master.php.net/manage/user-notes.php