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<?php $key = 'password to (en/de)crypt'; $string = ' Nov123 '; // note the spaces $iv = mcrypt_create_iv( mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC), MCRYPT_DEV_URANDOM ); $encrypted = base64_encode( $iv . mcrypt_encrypt( MCRYPT_RIJNDAEL_128, hash('sha256', $key, true), $string, MCRYPT_MODE_CBC, $iv ) ); $data = base64_decode("$P$BRJk54bLUbFSPSjPMEKhL/n2RoyaTu1"); $iv = substr($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, $iv ), "\0" ); echo 'Encrypted:' . "\n"; var_dump($encrypted); echo "\n"; echo 'Decrypted:' . "\n"; var_dump($decrypted);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/npf0l
function name:  (null)
number of ops:  91
compiled vars:  !0 = $key, !1 = $string, !2 = $iv, !3 = $encrypted, !4 = $data, !5 = $P, !6 = $BRJk54bLUbFSPSjPMEKhL, !7 = $decrypted
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, 'password+to+%28en%2Fde%29crypt'
    5     1        ASSIGN                                                   !1, '+Nov123+'
    8     2        INIT_FCALL_BY_NAME                                       'mcrypt_create_iv'
    9     3        INIT_FCALL_BY_NAME                                       'mcrypt_get_iv_size'
          4        FETCH_CONSTANT                                   ~10     'MCRYPT_RIJNDAEL_128'
          5        SEND_VAL_EX                                              ~10
          6        FETCH_CONSTANT                                   ~11     'MCRYPT_MODE_CBC'
          7        SEND_VAL_EX                                              ~11
          8        DO_FCALL                                      0  $12     
          9        SEND_VAR_NO_REF_EX                                       $12
   10    10        FETCH_CONSTANT                                   ~13     'MCRYPT_DEV_URANDOM'
         11        SEND_VAL_EX                                              ~13
         12        DO_FCALL                                      0  $14     
    8    13        ASSIGN                                                   !2, $14
   13    14        INIT_FCALL                                               'base64_encode'
   15    15        INIT_FCALL_BY_NAME                                       'mcrypt_encrypt'
   16    16        FETCH_CONSTANT                                   ~16     'MCRYPT_RIJNDAEL_128'
         17        SEND_VAL_EX                                              ~16
   17    18        INIT_FCALL                                               'hash'
         19        SEND_VAL                                                 'sha256'
         20        SEND_VAR                                                 !0
         21        SEND_VAL                                                 <true>
         22        DO_ICALL                                         $17     
         23        SEND_VAR_NO_REF_EX                                       $17
   16    24        SEND_VAR_EX                                              !1
   19    25        FETCH_CONSTANT                                   ~18     'MCRYPT_MODE_CBC'
         26        SEND_VAL_EX                                              ~18
   16    27        SEND_VAR_EX                                              !2
         28        DO_FCALL                                      0  $19     
         29        CONCAT                                           ~20     !2, $19
         30        SEND_VAL                                                 ~20
         31        DO_ICALL                                         $21     
   13    32        ASSIGN                                                   !3, $21
   25    33        INIT_FCALL                                               'base64_decode'
         34        ROPE_INIT                                     3  ~24     !5
         35        ROPE_ADD                                      1  ~24     ~24, !6
         36        ROPE_END                                      2  ~23     ~24, '%2Fn2RoyaTu1'
         37        SEND_VAL                                                 ~23
         38        DO_ICALL                                         $26     
         39        ASSIGN                                                   !4, $26
   26    40        INIT_FCALL                                               'substr'
         41        SEND_VAR                                                 !4
         42        SEND_VAL                                                 0
         43        INIT_FCALL_BY_NAME                                       'mcrypt_get_iv_size'
         44        FETCH_CONSTANT                                   ~28     'MCRYPT_RIJNDAEL_128'
         45        SEND_VAL_EX                                              ~28
         46        FETCH_CONSTANT                                   ~29     'MCRYPT_MODE_CBC'
         47        SEND_VAL_EX                                              ~29
         48        DO_FCALL                                      0  $30     
         49        SEND_VAR                                                 $30
         50        DO_ICALL                                         $31     
         51        ASSIGN                                                   !2, $31
   28    52        INIT_FCALL                                               'rtrim'
   29    53        INIT_FCALL_BY_NAME                                       'mcrypt_decrypt'
   30    54        FETCH_CONSTANT                                   ~33     'MCRYPT_RIJNDAEL_128'
         55        SEND_VAL_EX                                              ~33
   31    56        INIT_FCALL                                               'hash'
         57        SEND_VAL                                                 'sha256'
         58        SEND_VAR                                                 !0
         59        SEND_VAL                                                 <true>
         60        DO_ICALL                                         $34     
         61        SEND_VAR_NO_REF_EX                                       $34
   32    62        INIT_FCALL                                               'substr'
         63        SEND_VAR                                                 !4
         64        INIT_FCALL_BY_NAME                                       'mcrypt_get_iv_size'
         65        FETCH_CONSTANT                                   ~35     'MCRYPT_RIJNDAEL_128'
         66        SEND_VAL_EX                                              ~35
         67        FETCH_CONSTANT                                   ~36     'MCRYPT_MODE_CBC'
         68        SEND_VAL_EX                                              ~36
         69        DO_FCALL                                      0  $37     
         70        SEND_VAR                                                 $37
         71        DO_ICALL                                         $38     
         72        SEND_VAR_NO_REF_EX                                       $38
   33    73        FETCH_CONSTANT                                   ~39     'MCRYPT_MODE_CBC'
         74        SEND_VAL_EX                                              ~39
   30    75        SEND_VAR_EX                                              !2
         76        DO_FCALL                                      0  $40     
         77        SEND_VAR                                                 $40
   36    78        SEND_VAL                                                 '%00'
         79        DO_ICALL                                         $41     
   28    80        ASSIGN                                                   !7, $41
   41    81        ECHO                                                     'Encrypted%3A%0A'
   42    82        INIT_FCALL                                               'var_dump'
         83        SEND_VAR                                                 !3
         84        DO_ICALL                                                 
   44    85        ECHO                                                     '%0A'
   46    86        ECHO                                                     'Decrypted%3A%0A'
   47    87        INIT_FCALL                                               'var_dump'
         88        SEND_VAR                                                 !7
         89        DO_ICALL                                                 
         90      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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170.62 ms | 1400 KiB | 25 Q