PHP source code encryption imitation micro shield PHP encryption expert (PHPCodeLock)_PHP tutorial

Copy code The code is as follows:

function T_rndstr($length=""){//Return a random string
$str ="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
if($length==""){
return str_shuffle($str);
}else{
return substr(str_shuffle($str),-$length) ;
}
}
$T_k1=T_rndstr();//Random key 1
$T_k2=T_rndstr();//Random key 2
$vstr=file_get_contents(" xk/xk/index.php");//File to be encrypted
$v1=base64_encode($vstr);
$c=strtr($v1,$T_k1,$T_k2);//According to the password key to replace the corresponding characters.
$c=$T_k1.$T_k2.$c;
$q=T_rndstr();
$isqs=1;//1 Take a random string as the variable name 2, composed of uppercase O and number 0 Basic variables
if($isqs=="1"){
$q1=substr($q,2,3);
$q2=substr($q,10,10);
$q3=substr($q,20,12);
$q4=substr($q,30,10);
$q5=substr($q,40,8);
$ q6=substr($q,5,5);
}else{
$q1="O00O0O";
$q2="O0O000";
$q3="O0OO00";
$q4="OO0O00";
$q5="OO0000";
$q6="O00OO0";
}

$keystr=urldecode("%6E1%7A%62 %2F%6D%615%5C%76%740%6928%2D%70%78%75%71%79%2A6%6C%72%6B%64%679%5F%65%68%63%73%77 %6F4%2B%6637%6A");
/* Full string
n1zb/ma5vt0i28-pxuqy*6lrkdg9_ehcswo4+f37j
base64_decode //$q1
strtr //$q2
substr
*/

$s='$'.$q6.'=urldecode("%6E1%7A%62%2F%6D%615%5C%76%740%6928%2D% 70%78%75%71%79%2A6%6C%72%6B%64%679%5F%65%68%63%73%77%6F4%2B%6637%6A");$'.$q1. '=$'.$q6.'{3}.$'.$q6.'{6}.$'.$q6.'{33}.$'.$q6.'{30};$'.$ q3.'=$'.$q6.'{33}.$'.$q6.'{10}.$'.$q6.'{24}.$'.$q6.'{10}.$' .$q6.'{24};$'.$q4.'=$'.$q3.'{0}.$'.$q6.'{18}.$'.$q6.'{3}. $'.$q3.'{0}.$'.$q3.'{1}.$'.$q6.'{24};$'.$q5.'=$'.$q6.'{7 }.$'.$q6.'{13};$'.$q1.'.=$'.$q6.'{22}.$'.$q6.'{36}.$'.$q6. '{29}.$'.$q6.'{26}.$'.$q6.'{30}.$'.$q6.'{32}.$'.$q6.'{35}.$ '.$q6.'{26}.$'.$q6.'{30};eval($'.$q1.'("'.base64_encode('$'.$q2.'="'.$c .'";eval('?>'.$'.$q1.'($'.$q3.'($'.$q4.'($'.$q2.',$'.$q5. '*2),$'.$q4.'($'.$q2.',$'.$q5.',$'.$q5.'),$'.$q4.'($'.$ q2.',0,$'.$q5.'))));').'"));';

Modeled after Micro Shield PHP encryption expert (PHPCodeLock)

http://www.bkjia.com/PHPjc/321845.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/321845.htmlTechArticleCopy the code The code is as follows: function T_rndstr($length=""){//Return a random string $str= "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; if($length==""){ return str_shuffle($s...