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<?php //Enter your code here, enjoy! function hmac($algo,$data,$passwd){ /* md5 and sha1 only */ $algo=strtolower($algo); echo $algo; $p=array('md5'=>'greatherH32','sha1'=>'H40'); if(strlen($passwd)>64) { $passwd=pack($p[$algo],$algo($passwd)); echo 'pass greater than 64'.chr(13); echo $passwd; } if(strlen($passwd)<64) { $passwd=str_pad($passwd,64,chr(0)); echo 'pass smaller than 64'.chr(13); echo $passwd; } $ipad=substr($passwd,0,64) ^ str_repeat(chr(0x36),64); echo 'ipad: '.$ipad.chr(13); $opad=substr($passwd,0,64) ^ str_repeat(chr(0x5C),64); echo 'opad: '.$opad.chr(13); $hashedIpadData =$algo($ipad.$data); echo 'hashedIpadData: '.$hashedIpadData.chr(13); $packedIpdatData=utf8_encode(pack($p[$algo],$hashedIpadData)); echo 'packedIpdatData: '.$packedIpdatData.chr(13); $opadPack = $opad.$packedIpdatData; echo 'opadPack: '.$opadPack.chr(13); return $algo($opadPack); } # XXX ePay.bg URL (https://devep2.datamax.bg/ep2/epay2_demo/ if POST to DEMO system) $submit_url = 'https://devep2.datamax.bg/ep2/epay2_demo/'; # XXX Secret word with which merchant make CHECKSUM on the ENCODED packet $secret = 'secret'; $min = 'D544248794'; $invoice = 1234; # XXX Invoice $sum = '22.80'; # XXX Ammount $exp_date = '01.08.2020'; # XXX Expiration date $descr = 'Test'; # XXX Description $data = <<<DATA MIN={$min} INVOICE={$invoice} AMOUNT={$sum} EXP_TIME={$exp_date} DESCR={$descr} DATA; # XXX Packet: # (MIN or EMAIL)= REQUIRED # INVOICE= REQUIRED # AMOUNT= REQUIRED # EXP_TIME= REQUIRED # DESCR= OPTIONAL $ENCODED = base64_encode($data); $CHECKSUM = hmac('sha1', $ENCODED, $secret); # XXX SHA-1 algorithm REQUIRED echo mb_internal_encoding() . '<br />'; echo mb_regex_encoding(); echo <<<HTML <HTML> <head> <meta http-equiv="content-type" content="text/html; charset=windows-1251"> </head> <BODY TEXT=#000000 BGCOLOR=#FFFFFF> <p>{$ENCODED}</p> <p>{$CHECKSUM}</p> HTML; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kquvp
function name:  (null)
number of ops:  42
compiled vars:  !0 = $submit_url, !1 = $secret, !2 = $min, !3 = $invoice, !4 = $sum, !5 = $exp_date, !6 = $descr, !7 = $data, !8 = $ENCODED, !9 = $CHECKSUM
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   42     0  E >   ASSIGN                                                   !0, 'https%3A%2F%2Fdevep2.datamax.bg%2Fep2%2Fepay2_demo%2F'
   44     1        ASSIGN                                                   !1, 'secret'
   46     2        ASSIGN                                                   !2, 'D544248794'
   47     3        ASSIGN                                                   !3, 1234
   48     4        ASSIGN                                                   !4, '22.80'
   49     5        ASSIGN                                                   !5, '01.08.2020'
   50     6        ASSIGN                                                   !6, 'Test'
   53     7        ROPE_INIT                                    10  ~18     'MIN%3D'
          8        ROPE_ADD                                      1  ~18     ~18, !2
          9        ROPE_ADD                                      2  ~18     ~18, '%0AINVOICE%3D'
   54    10        ROPE_ADD                                      3  ~18     ~18, !3
         11        ROPE_ADD                                      4  ~18     ~18, '%0AAMOUNT%3D'
   55    12        ROPE_ADD                                      5  ~18     ~18, !4
         13        ROPE_ADD                                      6  ~18     ~18, '%0AEXP_TIME%3D'
   56    14        ROPE_ADD                                      7  ~18     ~18, !5
         15        ROPE_ADD                                      8  ~18     ~18, '%0ADESCR%3D'
   57    16        ROPE_END                                      9  ~17     ~18, !6
   52    17        ASSIGN                                                   !7, ~17
   67    18        INIT_FCALL                                               'base64_encode'
         19        SEND_VAR                                                 !7
         20        DO_ICALL                                         $24     
         21        ASSIGN                                                   !8, $24
   68    22        INIT_FCALL                                               'hmac'
         23        SEND_VAL                                                 'sha1'
         24        SEND_VAR                                                 !8
         25        SEND_VAR                                                 !1
         26        DO_FCALL                                      0  $26     
         27        ASSIGN                                                   !9, $26
   70    28        INIT_FCALL                                               'mb_internal_encoding'
         29        DO_ICALL                                         $28     
         30        CONCAT                                           ~29     $28, '%3Cbr+%2F%3E'
         31        ECHO                                                     ~29
   71    32        INIT_FCALL                                               'mb_regex_encoding'
         33        DO_ICALL                                         $30     
         34        ECHO                                                     $30
   74    35        ROPE_INIT                                     5  ~32     '%3CHTML%3E%0A%3Chead%3E%0A++++%3Cmeta+http-equiv%3D%22content-type%22+content%3D%22text%2Fhtml%3B+charset%3Dwindows-1251%22%3E%0A%3C%2Fhead%3E%0A%3CBODY+TEXT%3D%23000000+BGCOLOR%3D%23FFFFFF%3E%0A%3Cp%3E'
   79    36        ROPE_ADD                                      1  ~32     ~32, !8
         37        ROPE_ADD                                      2  ~32     ~32, '%3C%2Fp%3E%0A%3Cp%3E'
   80    38        ROPE_ADD                                      3  ~32     ~32, !9
         39        ROPE_END                                      4  ~31     ~32, '%3C%2Fp%3E'
         40        ECHO                                                     ~31
   82    41      > RETURN                                                   1

Function hmac:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 23
Branch analysis from position: 12
2 jumps found. (Code = 43) Position 1 = 26, Position 2 = 34
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 34
Branch analysis from position: 23
filename:       /in/kquvp
function name:  hmac
number of ops:  92
compiled vars:  !0 = $algo, !1 = $data, !2 = $passwd, !3 = $p, !4 = $ipad, !5 = $opad, !6 = $hashedIpadData, !7 = $packedIpdatData, !8 = $opadPack
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        RECV                                             !2      
    6     3        INIT_FCALL                                               'strtolower'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $9      
          6        ASSIGN                                                   !0, $9
    7     7        ECHO                                                     !0
    8     8        ASSIGN                                                   !3, <array>
   10     9        STRLEN                                           ~12     !2
         10        IS_SMALLER                                               64, ~12
         11      > JMPZ                                                     ~13, ->23
   11    12    >   INIT_FCALL                                               'pack'
         13        FETCH_DIM_R                                      ~14     !3, !0
         14        SEND_VAL                                                 ~14
         15        INIT_DYNAMIC_CALL                                        !0
         16        SEND_VAR_EX                                              !2
         17        DO_FCALL                                      0  $15     
         18        SEND_VAR                                                 $15
         19        DO_ICALL                                         $16     
         20        ASSIGN                                                   !2, $16
   12    21        ECHO                                                     'pass+greater+than+64%0D'
   13    22        ECHO                                                     !2
   16    23    >   STRLEN                                           ~18     !2
         24        IS_SMALLER                                               ~18, 64
         25      > JMPZ                                                     ~19, ->34
   18    26    >   INIT_FCALL                                               'str_pad'
         27        SEND_VAR                                                 !2
         28        SEND_VAL                                                 64
         29        SEND_VAL                                                 '%00'
         30        DO_ICALL                                         $20     
         31        ASSIGN                                                   !2, $20
   19    32        ECHO                                                     'pass+smaller+than+64%0D'
   20    33        ECHO                                                     !2
   24    34    >   INIT_FCALL                                               'substr'
         35        SEND_VAR                                                 !2
         36        SEND_VAL                                                 0
         37        SEND_VAL                                                 64
         38        DO_ICALL                                         $22     
         39        INIT_FCALL                                               'str_repeat'
         40        SEND_VAL                                                 '6'
         41        SEND_VAL                                                 64
         42        DO_ICALL                                         $23     
         43        BW_XOR                                           ~24     $22, $23
         44        ASSIGN                                                   !4, ~24
   25    45        CONCAT                                           ~26     'ipad%3A+', !4
         46        CONCAT                                           ~27     ~26, '%0D'
         47        ECHO                                                     ~27
   26    48        INIT_FCALL                                               'substr'
         49        SEND_VAR                                                 !2
         50        SEND_VAL                                                 0
         51        SEND_VAL                                                 64
         52        DO_ICALL                                         $28     
         53        INIT_FCALL                                               'str_repeat'
         54        SEND_VAL                                                 '%5C'
         55        SEND_VAL                                                 64
         56        DO_ICALL                                         $29     
         57        BW_XOR                                           ~30     $28, $29
         58        ASSIGN                                                   !5, ~30
   27    59        CONCAT                                           ~32     'opad%3A+', !5
         60        CONCAT                                           ~33     ~32, '%0D'
         61        ECHO                                                     ~33
   29    62        INIT_DYNAMIC_CALL                                        !0
         63        CONCAT                                           ~34     !4, !1
         64        SEND_VAL_EX                                              ~34
         65        DO_FCALL                                      0  $35     
         66        ASSIGN                                                   !6, $35
   30    67        CONCAT                                           ~37     'hashedIpadData%3A+', !6
         68        CONCAT                                           ~38     ~37, '%0D'
         69        ECHO                                                     ~38
   31    70        INIT_FCALL                                               'utf8_encode'
         71        INIT_FCALL                                               'pack'
         72        FETCH_DIM_R                                      ~39     !3, !0
         73        SEND_VAL                                                 ~39
         74        SEND_VAR                                                 !6
         75        DO_ICALL                                         $40     
         76        SEND_VAR                                                 $40
         77        DO_ICALL                                         $41     
         78        ASSIGN                                                   !7, $41
   32    79        CONCAT                                           ~43     'packedIpdatData%3A+', !7
         80        CONCAT                                           ~44     ~43, '%0D'
         81        ECHO                                                     ~44
   33    82        CONCAT                                           ~45     !5, !7
         83        ASSIGN                                                   !8, ~45
   36    84        CONCAT                                           ~47     'opadPack%3A+', !8
         85        CONCAT                                           ~48     ~47, '%0D'
         86        ECHO                                                     ~48
   38    87        INIT_DYNAMIC_CALL                                        !0
         88        SEND_VAR_EX                                              !8
         89        DO_FCALL                                      0  $49     
         90      > RETURN                                                   $49
   39    91*     > RETURN                                                   null

End of function hmac

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.54 ms | 1411 KiB | 32 Q