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<?php $key = "1234567890123456"; $iv = "abcdefghijkl"; $token = implode(";", array("foo", "bar", "baz")); print "Token: " . base64_encode($token) . "\n"; print "\n"; $cipher = openssl_encrypt($token, 'aes-128-gcm', $key, 0, $iv); print "Cipher: " . base64_encode($cipher) . "\n"; print "Error: " . openssl_error_string() . "\n"; print "\n"; $plain = openssl_decrypt(substr($cipher, 12), 'aes-128-gcm', $key, 0, $iv); print "Token: " . base64_encode($token) . "\n"; print "Cipher: " . base64_encode($cipher) . "\n"; print "Plain: " . base64_encode($plain) . "\n"; var_dump(openssl_error_string());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/K8OQS
function name:  (null)
number of ops:  70
compiled vars:  !0 = $key, !1 = $iv, !2 = $token, !3 = $cipher, !4 = $plain
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '1234567890123456'
    4     1        ASSIGN                                                   !1, 'abcdefghijkl'
    5     2        INIT_FCALL                                               'implode'
          3        SEND_VAL                                                 '%3B'
          4        SEND_VAL                                                 <array>
          5        DO_ICALL                                         $7      
          6        ASSIGN                                                   !2, $7
    6     7        INIT_FCALL                                               'base64_encode'
          8        SEND_VAR                                                 !2
          9        DO_ICALL                                         $9      
         10        CONCAT                                           ~10     'Token%3A+', $9
         11        CONCAT                                           ~11     ~10, '%0A'
         12        ECHO                                                     ~11
    7    13        ECHO                                                     '%0A'
    9    14        INIT_FCALL_BY_NAME                                       'openssl_encrypt'
         15        SEND_VAR_EX                                              !2
         16        SEND_VAL_EX                                              'aes-128-gcm'
         17        SEND_VAR_EX                                              !0
         18        SEND_VAL_EX                                              0
         19        SEND_VAR_EX                                              !1
         20        DO_FCALL                                      0  $12     
         21        ASSIGN                                                   !3, $12
   11    22        INIT_FCALL                                               'base64_encode'
         23        SEND_VAR                                                 !3
         24        DO_ICALL                                         $14     
         25        CONCAT                                           ~15     'Cipher%3A+', $14
         26        CONCAT                                           ~16     ~15, '%0A'
         27        ECHO                                                     ~16
   12    28        INIT_FCALL_BY_NAME                                       'openssl_error_string'
         29        DO_FCALL                                      0  $17     
         30        CONCAT                                           ~18     'Error%3A+', $17
         31        CONCAT                                           ~19     ~18, '%0A'
         32        ECHO                                                     ~19
   13    33        ECHO                                                     '%0A'
   15    34        INIT_FCALL_BY_NAME                                       'openssl_decrypt'
         35        INIT_FCALL                                               'substr'
         36        SEND_VAR                                                 !3
         37        SEND_VAL                                                 12
         38        DO_ICALL                                         $20     
         39        SEND_VAR_NO_REF_EX                                       $20
         40        SEND_VAL_EX                                              'aes-128-gcm'
         41        SEND_VAR_EX                                              !0
         42        SEND_VAL_EX                                              0
         43        SEND_VAR_EX                                              !1
         44        DO_FCALL                                      0  $21     
         45        ASSIGN                                                   !4, $21
   17    46        INIT_FCALL                                               'base64_encode'
         47        SEND_VAR                                                 !2
         48        DO_ICALL                                         $23     
         49        CONCAT                                           ~24     'Token%3A+', $23
         50        CONCAT                                           ~25     ~24, '%0A'
         51        ECHO                                                     ~25
   18    52        INIT_FCALL                                               'base64_encode'
         53        SEND_VAR                                                 !3
         54        DO_ICALL                                         $26     
         55        CONCAT                                           ~27     'Cipher%3A+', $26
         56        CONCAT                                           ~28     ~27, '%0A'
         57        ECHO                                                     ~28
   19    58        INIT_FCALL                                               'base64_encode'
         59        SEND_VAR                                                 !4
         60        DO_ICALL                                         $29     
         61        CONCAT                                           ~30     'Plain%3A+', $29
         62        CONCAT                                           ~31     ~30, '%0A'
         63        ECHO                                                     ~31
   20    64        INIT_FCALL                                               'var_dump'
         65        INIT_FCALL_BY_NAME                                       'openssl_error_string'
         66        DO_FCALL                                      0  $32     
         67        SEND_VAR                                                 $32
         68        DO_ICALL                                                 
         69      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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