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<?php $key = 'RainBow'; $encrypted = 'HPwvUK3GzGQ7/5dOjoBD3ACsy4NSFxg9p6cZME32YHM='; $data = base64_decode($encrypted); $iv = substr($data, 0, mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC)); $decrypted = rtrim( mcrypt_decrypt( MCRYPT_RIJNDAEL_128, hash('sha256', $key, true), substr($data, mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC)), MCRYPT_MODE_CBC, $iv ), "\0" ); echo 'Decrypted:' . "\n"; var_dump($decrypted);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/k2ucg
function name:  (null)
number of ops:  52
compiled vars:  !0 = $key, !1 = $encrypted, !2 = $data, !3 = $iv, !4 = $decrypted
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, 'RainBow'
    5     1        ASSIGN                                                   !1, 'HPwvUK3GzGQ7%2F5dOjoBD3ACsy4NSFxg9p6cZME32YHM%3D'
    8     2        INIT_FCALL                                               'base64_decode'
          3        SEND_VAR                                                 !1
          4        DO_ICALL                                         $7      
          5        ASSIGN                                                   !2, $7
    9     6        INIT_FCALL                                               'substr'
          7        SEND_VAR                                                 !2
          8        SEND_VAL                                                 0
          9        INIT_FCALL_BY_NAME                                       'mcrypt_get_iv_size'
         10        FETCH_CONSTANT                                   ~9      'MCRYPT_RIJNDAEL_128'
         11        SEND_VAL_EX                                              ~9
         12        FETCH_CONSTANT                                   ~10     'MCRYPT_MODE_CBC'
         13        SEND_VAL_EX                                              ~10
         14        DO_FCALL                                      0  $11     
         15        SEND_VAR                                                 $11
         16        DO_ICALL                                         $12     
         17        ASSIGN                                                   !3, $12
   11    18        INIT_FCALL                                               'rtrim'
   12    19        INIT_FCALL_BY_NAME                                       'mcrypt_decrypt'
   13    20        FETCH_CONSTANT                                   ~14     'MCRYPT_RIJNDAEL_128'
         21        SEND_VAL_EX                                              ~14
   14    22        INIT_FCALL                                               'hash'
         23        SEND_VAL                                                 'sha256'
         24        SEND_VAR                                                 !0
         25        SEND_VAL                                                 <true>
         26        DO_ICALL                                         $15     
         27        SEND_VAR_NO_REF_EX                                       $15
   15    28        INIT_FCALL                                               'substr'
         29        SEND_VAR                                                 !2
         30        INIT_FCALL_BY_NAME                                       'mcrypt_get_iv_size'
         31        FETCH_CONSTANT                                   ~16     'MCRYPT_RIJNDAEL_128'
         32        SEND_VAL_EX                                              ~16
         33        FETCH_CONSTANT                                   ~17     'MCRYPT_MODE_CBC'
         34        SEND_VAL_EX                                              ~17
         35        DO_FCALL                                      0  $18     
         36        SEND_VAR                                                 $18
         37        DO_ICALL                                         $19     
         38        SEND_VAR_NO_REF_EX                                       $19
   16    39        FETCH_CONSTANT                                   ~20     'MCRYPT_MODE_CBC'
         40        SEND_VAL_EX                                              ~20
   13    41        SEND_VAR_EX                                              !3
         42        DO_FCALL                                      0  $21     
         43        SEND_VAR                                                 $21
   19    44        SEND_VAL                                                 '%00'
         45        DO_ICALL                                         $22     
   11    46        ASSIGN                                                   !4, $22
   22    47        ECHO                                                     'Decrypted%3A%0A'
   23    48        INIT_FCALL                                               'var_dump'
         49        SEND_VAR                                                 !4
         50        DO_ICALL                                                 
         51      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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