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Decrypt empty string

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git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@1290 7c3ca157-0c34-0410-bff1-cbf682f78f5c
This commit is contained in:
jakubvrana 2010-01-10 23:05:00 +00:00
parent 05802d9c99
commit dfbd4608b7
1 changed files with 6 additions and 3 deletions
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9
adminer/include/xxtea.inc.php
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@ -43,6 +43,9 @@ function xxtea_mx($z, $y, $sum, $k) {
* @return string binary cipher
*/
function encrypt_string($str, $key) {
if ($str == "") {
return "";
}
$v = str2long($str, true);
$n = count($v) - 1;
$z = $v[$n];
@ -72,11 +75,11 @@ function encrypt_string($str, $key) {
* @return string plain-text password
*/
function decrypt_string($str, $key) {
$v = str2long($str, false);
$n = count($v) - 1;
if (!$n) {
if ($str == "") {
return "";
}
$v = str2long($str, false);
$n = count($v) - 1;
$z = $v[$n];
$y = $v[0];
$q = floor(6 + 52 / ($n + 1));