php源代码加密

<?php

     function RandAbc($length=""){//返回随机字符串

    $str="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";

    return str_shuffle($str);

  }

 $filepath=‘index.php‘;

 $path_parts= pathinfo($filepath);

 $filename=$path_parts["basename"];

 $T_k1=RandAbc();//随机密匙1

 $T_k2=RandAbc();//随机密匙2

 $vstr=file_get_contents($filename);//要加密的文件

 $v1=base64_encode($vstr);

 $c=strtr($v1,$T_k1,$T_k2);//根据密匙替换对应字符。

 $c=$T_k1.$T_k2.$c;

 $q1="O00O0O";

 $q2="O0O000";

 $q3="O0OO00";

 $q4="OO0O00";

 $q5="OO0000";

 $q6="O00OO0";

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

 $s=‘<?

 ‘.$s.

‘

  ?>‘;

 echo $s;

 //生成 加密后的PHP文件

 !is_dir(‘create/‘) && mkdir(‘create/‘);

 $fpp1 = fopen(‘create/‘.$filename,‘w‘);

 fwrite($fpp1,$s) or die(‘写文件错误‘);

 echo ‘加密成功！‘;