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<?php $data = 'one'; $key = '1234567890123456'; function encrypt($data, $key){ return base64_encode( mcrypt_encrypt( MCRYPT_RIJNDAEL_128, $key, $data, MCRYPT_MODE_CBC, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" ) ); } function decrypt($data, $key){ $decode = base64_decode($data); return mcrypt_decrypt( MCRYPT_RIJNDAEL_128, $key, $decode, MCRYPT_MODE_CBC, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" ); } $encrypted = encrypt($data, $key); $decrypted= decrypt($encrypted, $key);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VCiJo
function name:  (null)
number of ops:  13
compiled vars:  !0 = $data, !1 = $key, !2 = $encrypted, !3 = $decrypted
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'one'
    3     1        ASSIGN                                                   !1, '1234567890123456'
   29     2        INIT_FCALL                                               'encrypt'
          3        SEND_VAR                                                 !0
          4        SEND_VAR                                                 !1
          5        DO_FCALL                                      0  $6      
          6        ASSIGN                                                   !2, $6
   30     7        INIT_FCALL                                               'decrypt'
          8        SEND_VAR                                                 !2
          9        SEND_VAR                                                 !1
         10        DO_FCALL                                      0  $8      
         11        ASSIGN                                                   !3, $8
         12      > RETURN                                                   1

Function encrypt:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VCiJo
function name:  encrypt
number of ops:  16
compiled vars:  !0 = $data, !1 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    6     2        INIT_FCALL                                               'base64_encode'
    7     3        INIT_FCALL_BY_NAME                                       'mcrypt_encrypt'
    8     4        FETCH_CONSTANT                                   ~2      'MCRYPT_RIJNDAEL_128'
          5        SEND_VAL_EX                                              ~2
          6        SEND_VAR_EX                                              !1
          7        SEND_VAR_EX                                              !0
   11     8        FETCH_CONSTANT                                   ~3      'MCRYPT_MODE_CBC'
          9        SEND_VAL_EX                                              ~3
   12    10        SEND_VAL_EX                                              '%00%00%00%00%00%00%00%00%00%00%00%00%00%00%00%00'
         11        DO_FCALL                                      0  $4      
         12        SEND_VAR                                                 $4
         13        DO_ICALL                                         $5      
         14      > RETURN                                                   $5
   15    15*     > RETURN                                                   null

End of function encrypt

Function decrypt:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VCiJo
function name:  decrypt
number of ops:  17
compiled vars:  !0 = $data, !1 = $key, !2 = $decode
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   18     2        INIT_FCALL                                               'base64_decode'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $3      
          5        ASSIGN                                                   !2, $3
   19     6        INIT_FCALL_BY_NAME                                       'mcrypt_decrypt'
   20     7        FETCH_CONSTANT                                   ~5      'MCRYPT_RIJNDAEL_128'
          8        SEND_VAL_EX                                              ~5
          9        SEND_VAR_EX                                              !1
         10        SEND_VAR_EX                                              !2
   23    11        FETCH_CONSTANT                                   ~6      'MCRYPT_MODE_CBC'
         12        SEND_VAL_EX                                              ~6
   24    13        SEND_VAL_EX                                              '%00%00%00%00%00%00%00%00%00%00%00%00%00%00%00%00'
         14        DO_FCALL                                      0  $7      
         15      > RETURN                                                   $7
   28    16*     > RETURN                                                   null

End of function decrypt

Generated using Vulcan Logic Dumper, using php 8.0.0


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