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<?php $data = 'your data to be encrypted'; $key = 'secret passphrase to encrypt'; $cipher = "MCRYPT_SERPENT_256"; $mode = "MCRYPT_MODE_CBC"; function m_encrypt($data, $key, $cipher, $mode){ return (string) base64_encode( mcrypt_encrypt( $cipher, substr(md5($key),0,mcrypt_get_key_size($cipher, $mode)), $data, $mode, substr(md5($key),0,mcrypt_get_block_size($cipher, $mode)) ) ); } function m_decrypt($data, $key, $cipher, $mode){ return (string) mcrypt_decrypt( $cipher, substr(md5($key),0,mcrypt_get_key_size($cipher, $mode)), base64_decode($data), $mode, substr(md5($key),0,mcrypt_get_block_size($cipher, $mode)) ); } echo m_encrypt($data, $key, $cipher, $mode) ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/A8esC
function name:  (null)
number of ops:  12
compiled vars:  !0 = $data, !1 = $key, !2 = $cipher, !3 = $mode
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'your+data+to+be+encrypted'
    3     1        ASSIGN                                                   !1, 'secret+passphrase+to+encrypt'
    4     2        ASSIGN                                                   !2, 'MCRYPT_SERPENT_256'
    5     3        ASSIGN                                                   !3, 'MCRYPT_MODE_CBC'
   31     4        INIT_FCALL                                               'm_encrypt'
          5        SEND_VAR                                                 !0
          6        SEND_VAR                                                 !1
          7        SEND_VAR                                                 !2
          8        SEND_VAR                                                 !3
          9        DO_FCALL                                      0  $8      
         10        ECHO                                                     $8
   32    11      > RETURN                                                   1

Function m_encrypt:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/A8esC
function name:  m_encrypt
number of ops:  41
compiled vars:  !0 = $data, !1 = $key, !2 = $cipher, !3 = $mode
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        RECV                                             !2      
          3        RECV                                             !3      
    9     4        INIT_FCALL                                               'base64_encode'
   10     5        INIT_FCALL_BY_NAME                                       'mcrypt_encrypt'
   11     6        SEND_VAR_EX                                              !2
   12     7        INIT_FCALL                                               'substr'
          8        INIT_FCALL                                               'md5'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                         $4      
         11        SEND_VAR                                                 $4
         12        SEND_VAL                                                 0
         13        INIT_FCALL_BY_NAME                                       'mcrypt_get_key_size'
         14        SEND_VAR_EX                                              !2
         15        SEND_VAR_EX                                              !3
         16        DO_FCALL                                      0  $5      
         17        SEND_VAR                                                 $5
         18        DO_ICALL                                         $6      
         19        SEND_VAR_NO_REF_EX                                       $6
   11    20        SEND_VAR_EX                                              !0
         21        SEND_VAR_EX                                              !3
   15    22        INIT_FCALL                                               'substr'
         23        INIT_FCALL                                               'md5'
         24        SEND_VAR                                                 !1
         25        DO_ICALL                                         $7      
         26        SEND_VAR                                                 $7
         27        SEND_VAL                                                 0
         28        INIT_FCALL_BY_NAME                                       'mcrypt_get_block_size'
         29        SEND_VAR_EX                                              !2
         30        SEND_VAR_EX                                              !3
         31        DO_FCALL                                      0  $8      
         32        SEND_VAR                                                 $8
         33        DO_ICALL                                         $9      
         34        SEND_VAR_NO_REF_EX                                       $9
         35        DO_FCALL                                      0  $10     
         36        SEND_VAR                                                 $10
         37        DO_ICALL                                         $11     
         38        CAST                                          6  ~12     $11
         39      > RETURN                                                   ~12
   18    40*     > RETURN                                                   null

End of function m_encrypt

Function m_decrypt:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/A8esC
function name:  m_decrypt
number of ops:  41
compiled vars:  !0 = $data, !1 = $key, !2 = $cipher, !3 = $mode
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   20     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        RECV                                             !2      
          3        RECV                                             !3      
   22     4        INIT_FCALL_BY_NAME                                       'mcrypt_decrypt'
   23     5        SEND_VAR_EX                                              !2
   24     6        INIT_FCALL                                               'substr'
          7        INIT_FCALL                                               'md5'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                         $4      
         10        SEND_VAR                                                 $4
         11        SEND_VAL                                                 0
         12        INIT_FCALL_BY_NAME                                       'mcrypt_get_key_size'
         13        SEND_VAR_EX                                              !2
         14        SEND_VAR_EX                                              !3
         15        DO_FCALL                                      0  $5      
         16        SEND_VAR                                                 $5
         17        DO_ICALL                                         $6      
         18        SEND_VAR_NO_REF_EX                                       $6
   25    19        INIT_FCALL                                               'base64_decode'
         20        SEND_VAR                                                 !0
         21        DO_ICALL                                         $7      
         22        SEND_VAR_NO_REF_EX                                       $7
   23    23        SEND_VAR_EX                                              !3
   27    24        INIT_FCALL                                               'substr'
         25        INIT_FCALL                                               'md5'
         26        SEND_VAR                                                 !1
         27        DO_ICALL                                         $8      
         28        SEND_VAR                                                 $8
         29        SEND_VAL                                                 0
         30        INIT_FCALL_BY_NAME                                       'mcrypt_get_block_size'
         31        SEND_VAR_EX                                              !2
         32        SEND_VAR_EX                                              !3
         33        DO_FCALL                                      0  $9      
         34        SEND_VAR                                                 $9
         35        DO_ICALL                                         $10     
         36        SEND_VAR_NO_REF_EX                                       $10
         37        DO_FCALL                                      0  $11     
         38        CAST                                          6  ~12     $11
         39      > RETURN                                                   ~12
   29    40*     > RETURN                                                   null

End of function m_decrypt

Generated using Vulcan Logic Dumper, using php 8.0.0


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