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<?php $key = 'FSHcT+sfRO/siok2ooweuA=='; $key = base64_decode($key); $message = 'I want to decode this'; $iv = mcrypt_create_iv(16, MCRYPT_DEV_URANDOM); $iv = '3030303030303030'; print $iv.'<p>'; $encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $message, MCRYPT_MODE_CBC, $iv); $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key, $encrypted, MCRYPT_MODE_CBC, $iv); print base64_encode($encrypted); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CfeEW
function name:  (null)
number of ops:  40
compiled vars:  !0 = $key, !1 = $message, !2 = $iv, !3 = $encrypted, !4 = $decrypted
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'FSHcT%2BsfRO%2Fsiok2ooweuA%3D%3D'
    4     1        INIT_FCALL                                               'base64_decode'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $6      
          4        ASSIGN                                                   !0, $6
    6     5        ASSIGN                                                   !1, 'I+want+to+decode+this'
    7     6        INIT_FCALL_BY_NAME                                       'mcrypt_create_iv'
          7        SEND_VAL_EX                                              16
          8        FETCH_CONSTANT                                   ~9      'MCRYPT_DEV_URANDOM'
          9        SEND_VAL_EX                                              ~9
         10        DO_FCALL                                      0  $10     
         11        ASSIGN                                                   !2, $10
    8    12        ASSIGN                                                   !2, '3030303030303030'
    9    13        CONCAT                                           ~13     !2, '%3Cp%3E'
         14        ECHO                                                     ~13
   10    15        INIT_FCALL_BY_NAME                                       'mcrypt_encrypt'
         16        FETCH_CONSTANT                                   ~14     'MCRYPT_RIJNDAEL_128'
         17        SEND_VAL_EX                                              ~14
         18        SEND_VAR_EX                                              !0
         19        SEND_VAR_EX                                              !1
         20        FETCH_CONSTANT                                   ~15     'MCRYPT_MODE_CBC'
         21        SEND_VAL_EX                                              ~15
         22        SEND_VAR_EX                                              !2
         23        DO_FCALL                                      0  $16     
         24        ASSIGN                                                   !3, $16
   11    25        INIT_FCALL_BY_NAME                                       'mcrypt_decrypt'
         26        FETCH_CONSTANT                                   ~18     'MCRYPT_RIJNDAEL_128'
         27        SEND_VAL_EX                                              ~18
         28        SEND_VAR_EX                                              !0
         29        SEND_VAR_EX                                              !3
         30        FETCH_CONSTANT                                   ~19     'MCRYPT_MODE_CBC'
         31        SEND_VAL_EX                                              ~19
         32        SEND_VAR_EX                                              !2
         33        DO_FCALL                                      0  $20     
         34        ASSIGN                                                   !4, $20
   13    35        INIT_FCALL                                               'base64_encode'
         36        SEND_VAR                                                 !3
         37        DO_ICALL                                         $22     
         38        ECHO                                                     $22
   14    39      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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