PHP加密代码

Posted 2022-12-07 tqzuy

 
  <?php 
 
 
  function 
  RandAbc
  (
  $length
  =
  ""
  )
  //返回随机字符串
 
 
  

 
 
  

 
   
  $str
  =
  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
  ;
 
   
  return 
  str_shuffle
  (
  $str
  );
 
  
 
 
  
 
 
  

 
 
  

 
 
  $filename
  =
  'index.php'
  ;
 
 
  

 
 
  

 
 
  $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
 
 
  $fpp1 
  = 
  fopen
  (
  'temp'
  .
  $filename
  ,
  'w'
  );
 
 
  fwrite
  (
  $fpp1
  ,
  $s
  ) 
  or 
  die
  (
  '写文件错误'
  ); 
 
 
  

 
 
  ?>