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<?php $tempToken = "1b76364f-ce5a-435a-94ad-8235e379c452972e0d26-c8da-4289-ab14-8c01165106e4"; $clearText = "AuthToken=1b76364f-ce5a-435a-94ad-8235e379c452972e0d26-c8da-4289-ab14-8c01165106e4&PayerId=7197202092114251&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); // 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("M", $pad); 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); // 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/BVjo8
function name:  (null)
number of ops:  48
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, '1b76364f-ce5a-435a-94ad-8235e379c452972e0d26-c8da-4289-ab14-8c01165106e4'
    6     1        ASSIGN                                                   !1, 'AuthToken%3D1b76364f-ce5a-435a-94ad-8235e379c452972e0d26-c8da-4289-ab14-8c01165106e4%26PayerId%3D7197202092114251%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
   22    15        INIT_FCALL_BY_NAME                                       'mcrypt_get_block_size'
         16        SEND_VAL_EX                                              'rijndael_128'
         17        SEND_VAL_EX                                              'cbc'
         18        DO_FCALL                                      0  $17     
         19        ASSIGN                                                   !5, $17
   23    20        STRLEN                                           ~19     !4
         21        MOD                                              ~20     ~19, !5
         22        SUB                                              ~21     !5, ~20
         23        ASSIGN                                                   !6, ~21
   24    24        INIT_FCALL                                               'str_repeat'
         25        SEND_VAL                                                 'M'
         26        SEND_VAR                                                 !6
         27        DO_ICALL                                         $23     
         28        CONCAT                                           ~24     !4, $23
         29        ASSIGN                                                   !4, ~24
   26    30        ECHO                                                     !4
   27    31        ECHO                                                     '%0A'
   30    32        INIT_FCALL_BY_NAME                                       'mcrypt_encrypt'
         33        FETCH_CONSTANT                                   ~26     'MCRYPT_RIJNDAEL_128'
         34        SEND_VAL_EX                                              ~26
         35        SEND_VAR_EX                                              !3
         36        SEND_VAR_EX                                              !4
         37        FETCH_CONSTANT                                   ~27     'MCRYPT_MODE_CBC'
         38        SEND_VAL_EX                                              ~27
         39        SEND_VAR_EX                                              !3
         40        DO_FCALL                                      0  $28     
         41        ASSIGN                                                   !7, $28
   33    42        INIT_FCALL                                               'base64_encode'
         43        SEND_VAR                                                 !7
         44        DO_ICALL                                         $30     
         45        ASSIGN                                                   !8, $30
   35    46        ECHO                                                     !8
         47      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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