Decrypt empty string

git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@1289 7c3ca157-0c34-0410-bff1-cbf682f78f5c
This commit is contained in:
jakubvrana 2010-01-09 23:53:44 +00:00
parent 7352c2813e
commit 05802d9c99

View file

@ -74,6 +74,9 @@ function encrypt_string($str, $key) {
function decrypt_string($str, $key) {
$v = str2long($str, false);
$n = count($v) - 1;
if (!$n) {
return "";
}
$z = $v[$n];
$y = $v[0];
$q = floor(6 + 52 / ($n + 1));