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<?php function pkcs7_pad($data, $size) { $length = $size - strlen($data) % $size; return $data . str_repeat(chr($length), $length); } $encrypted = 'AWPNfurpnp67Mge0WInMxw=='; $key ='SinigangNaManokMayHalongBaboy'; $iv = 'SinigangNaBaboy'; //$key = hash('MD5', $key, true); //$iv = hash('MD5', $iv, true); $key = pack('a32', $key); $iv = pack('a16', $iv); echo $key; echo mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key, base64_decode($encrypted), MCRYPT_MODE_CBC, $iv); echo mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key, base64_decode($encrypted), MCRYPT_MODE_CFB, $iv); //echo mcrypt_decrypt(MCRYPT_RIJNDAEL_128, str_pad($key, 32, chr(0), STR_PAD_RIGHT), base64_decode($encrypted), MCRYPT_MODE_CBC, str_pad($iv, 16, chr(0), STR_PAD_RIGHT)); //echo 'output'. openssl_decrypt (base64_decode($encrypted) , 'aes-256-cbc' , $key , OPENSSL_RAW_DATA , $iv ); //echo 'output'. openssl_decrypt (base64_decode($encrypted) , 'aes-256-cbc' , $key , OPENSSL_ZERO_PADDING , $iv ); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/67nsd
function name:  (null)
number of ops:  41
compiled vars:  !0 = $encrypted, !1 = $key, !2 = $iv
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   ASSIGN                                                   !0, 'AWPNfurpnp67Mge0WInMxw%3D%3D'
   12     1        ASSIGN                                                   !1, 'SinigangNaManokMayHalongBaboy'
   13     2        ASSIGN                                                   !2, 'SinigangNaBaboy'
   17     3        INIT_FCALL                                               'pack'
          4        SEND_VAL                                                 'a32'
          5        SEND_VAR                                                 !1
          6        DO_ICALL                                         $6      
          7        ASSIGN                                                   !1, $6
   18     8        INIT_FCALL                                               'pack'
          9        SEND_VAL                                                 'a16'
         10        SEND_VAR                                                 !2
         11        DO_ICALL                                         $8      
         12        ASSIGN                                                   !2, $8
   20    13        ECHO                                                     !1
   22    14        INIT_FCALL_BY_NAME                                       'mcrypt_decrypt'
         15        FETCH_CONSTANT                                   ~10     'MCRYPT_RIJNDAEL_128'
         16        SEND_VAL_EX                                              ~10
         17        SEND_VAR_EX                                              !1
         18        INIT_FCALL                                               'base64_decode'
         19        SEND_VAR                                                 !0
         20        DO_ICALL                                         $11     
         21        SEND_VAR_NO_REF_EX                                       $11
         22        FETCH_CONSTANT                                   ~12     'MCRYPT_MODE_CBC'
         23        SEND_VAL_EX                                              ~12
         24        SEND_VAR_EX                                              !2
         25        DO_FCALL                                      0  $13     
         26        ECHO                                                     $13
   23    27        INIT_FCALL_BY_NAME                                       'mcrypt_decrypt'
         28        FETCH_CONSTANT                                   ~14     'MCRYPT_RIJNDAEL_128'
         29        SEND_VAL_EX                                              ~14
         30        SEND_VAR_EX                                              !1
         31        INIT_FCALL                                               'base64_decode'
         32        SEND_VAR                                                 !0
         33        DO_ICALL                                         $15     
         34        SEND_VAR_NO_REF_EX                                       $15
         35        FETCH_CONSTANT                                   ~16     'MCRYPT_MODE_CFB'
         36        SEND_VAL_EX                                              ~16
         37        SEND_VAR_EX                                              !2
         38        DO_FCALL                                      0  $17     
         39        ECHO                                                     $17
   29    40      > RETURN                                                   1

Function pkcs7_pad:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/67nsd
function name:  pkcs7_pad
number of ops:  16
compiled vars:  !0 = $data, !1 = $size, !2 = $length
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    5     2        STRLEN                                           ~3      !0
          3        MOD                                              ~4      ~3, !1
          4        SUB                                              ~5      !1, ~4
          5        ASSIGN                                                   !2, ~5
    6     6        INIT_FCALL                                               'str_repeat'
          7        INIT_FCALL                                               'chr'
          8        SEND_VAR                                                 !2
          9        DO_ICALL                                         $7      
         10        SEND_VAR                                                 $7
         11        SEND_VAR                                                 !2
         12        DO_ICALL                                         $8      
         13        CONCAT                                           ~9      !0, $8
         14      > RETURN                                                   ~9
    7    15*     > RETURN                                                   null

End of function pkcs7_pad

Generated using Vulcan Logic Dumper, using php 8.0.0


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230.61 ms | 1400 KiB | 21 Q