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<?php $tempToken = "0d3ea4b5-dac3-4bbe-a3e9-1a162593eb3f506d2b43-0580-4ec1-aa6f-979b9b1237d4"; $clearText = "AuthToken=0d3ea4b5-dac3-4bbe-a3e9-1a162593eb3f506d2b43-0580-4ec1-aa6f-979b9b1237d4&PayerId=3254183124469122&PaymentProcessType=CreditCard&ProcessMethod=None&PaymentMethodStorageOption=None&ReturnURL=https://il01addproc.propay.com:443/Return.aspx "; // $tempToken = "1f25d31c-e8fe-4d68-be73-f7b439bfa0a329e90de6-4e93-4374-8633-22cef77467f5"; // $clearText = "AuthToken=1f25d31c-e8fe-4d68-be73-f7b439bfa0a329e90de6-4e93-4374-8633-22cef77467f5&PayerID=2833955147881261&Amount=10.00&CurrencyCode=USD&ProcessMethod=Capture&PaymentMethodStorageOption=None&InvoiceNumber=Invoice123&Comment1=comment1&Comment2=comment2&echo=echotest&ReturnURL=https://il01addproc.propay.com:443/Return.aspx&ProfileId=3351&PaymentProcessType=CreditCard&StandardEntryClassCode=&DisplayMessage=True&Protected=False"; // Encode the TempToken string in UTF-8 $encodedTempToken = utf8_encode($tempToken); // Get the MD5 hash of $encodedTempToken in raw binary format with a length of 16 $md5Hash = md5($encodedTempToken, TRUE); // Encode the name value string in UTF-8 $encodedNameValueString = utf8_encode($clearText); echo strlen($encodedNameValueString) . "\n"; // Pad the name value string using pkcs5_pad $blocksize = mcrypt_get_block_size('rijndael_128', 'cbc'); $pad = $blocksize - (strlen($encodedNameValueString) % $blocksize); $encodedNameValueString = $encodedNameValueString . str_repeat("X", $pad); echo strlen($encodedNameValueString) . "\n"; echo $encodedNameValueString; echo "\n"; // Use AES-128 encryption to encrypt the name value string with the key and IV both being equal to the MD5 hash of $encodedTempToken $aes128 = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $md5Hash, $encodedNameValueString, MCRYPT_MODE_CBC, $md5Hash); echo $aes128; echo "\n"; // Use Base64 encoding to send the resulting bytes of the encrypted name value string $settingsCipher = base64_encode($aes128); echo $settingsCipher;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JIEsY
function name:  (null)
number of ops:  56
compiled vars:  !0 = $tempToken, !1 = $clearText, !2 = $encodedTempToken, !3 = $md5Hash, !4 = $encodedNameValueString, !5 = $blocksize, !6 = $pad, !7 = $aes128, !8 = $settingsCipher
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                   !0, '0d3ea4b5-dac3-4bbe-a3e9-1a162593eb3f506d2b43-0580-4ec1-aa6f-979b9b1237d4'
    6     1        ASSIGN                                                   !1, 'AuthToken%3D0d3ea4b5-dac3-4bbe-a3e9-1a162593eb3f506d2b43-0580-4ec1-aa6f-979b9b1237d4%26PayerId%3D3254183124469122%26PaymentProcessType%3DCreditCard%26ProcessMethod%3DNone%26PaymentMethodStorageOption%3DNone%26ReturnURL%3Dhttps%3A%2F%2Fil01addproc.propay.com%3A443%2FReturn.aspx%0B%0B%0B%0B%0B%0B%0B%0B%0B%0B%0B'
   13     2        INIT_FCALL                                               'utf8_encode'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $11     
          5        ASSIGN                                                   !2, $11
   16     6        INIT_FCALL                                               'md5'
          7        SEND_VAR                                                 !2
          8        SEND_VAL                                                 <true>
          9        DO_ICALL                                         $13     
         10        ASSIGN                                                   !3, $13
   19    11        INIT_FCALL                                               'utf8_encode'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                         $15     
         14        ASSIGN                                                   !4, $15
   21    15        STRLEN                                           ~17     !4
         16        CONCAT                                           ~18     ~17, '%0A'
         17        ECHO                                                     ~18
   24    18        INIT_FCALL_BY_NAME                                       'mcrypt_get_block_size'
         19        SEND_VAL_EX                                              'rijndael_128'
         20        SEND_VAL_EX                                              'cbc'
         21        DO_FCALL                                      0  $19     
         22        ASSIGN                                                   !5, $19
   25    23        STRLEN                                           ~21     !4
         24        MOD                                              ~22     ~21, !5
         25        SUB                                              ~23     !5, ~22
         26        ASSIGN                                                   !6, ~23
   26    27        INIT_FCALL                                               'str_repeat'
         28        SEND_VAL                                                 'X'
         29        SEND_VAR                                                 !6
         30        DO_ICALL                                         $25     
         31        CONCAT                                           ~26     !4, $25
         32        ASSIGN                                                   !4, ~26
   28    33        STRLEN                                           ~28     !4
         34        CONCAT                                           ~29     ~28, '%0A'
         35        ECHO                                                     ~29
   29    36        ECHO                                                     !4
   30    37        ECHO                                                     '%0A'
   33    38        INIT_FCALL_BY_NAME                                       'mcrypt_encrypt'
         39        FETCH_CONSTANT                                   ~30     'MCRYPT_RIJNDAEL_128'
         40        SEND_VAL_EX                                              ~30
         41        SEND_VAR_EX                                              !3
         42        SEND_VAR_EX                                              !4
         43        FETCH_CONSTANT                                   ~31     'MCRYPT_MODE_CBC'
         44        SEND_VAL_EX                                              ~31
         45        SEND_VAR_EX                                              !3
         46        DO_FCALL                                      0  $32     
         47        ASSIGN                                                   !7, $32
   35    48        ECHO                                                     !7
   36    49        ECHO                                                     '%0A'
   39    50        INIT_FCALL                                               'base64_encode'
         51        SEND_VAR                                                 !7
         52        DO_ICALL                                         $34     
         53        ASSIGN                                                   !8, $34
   41    54        ECHO                                                     !8
         55      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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