<?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);
$packedIpdatData=pack($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, $secret); # XXX SHA-1 algorithm REQUIRED
echo <<<HTML
<HTML>
<head>
<meta http-equiv="content-type" content="text/html; charset=windows-1251">
</head>
<BODY TEXT=#000000 BGCOLOR=#FFFFFF>
<p>{$ENCODED}</p>
<p>{$CHECKSUM}</p>
HTML;
?>
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- sha1pass smaller than 64
secret ipad: ESUDSB6666666666666666666666666666666666666666666666666666666666
opad: /9?.9(\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
hashedIpadData: 2437acee736688b761f456623316709e87639314
packedIpdatData: $7��sf��a�Vb3p��c�
opadPack: /9?.9(\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\$7��sf��a�Vb3p��c�
<HTML>
<head>
<meta http-equiv="content-type" content="text/html; charset=windows-1251">
</head>
<BODY TEXT=#000000 BGCOLOR=#FFFFFF>
<p>TUlOPUQ1NDQyNDg3OTQKSU5WT0lDRT0xMjM0CkFNT1VOVD0yMi44MApFWFBfVElNRT0wMS4wOC4yMDIwCkRFU0NSPVRlc3Q=</p>
<p>6a66f506e98b21038147fe28b77abcfc0bd156b3</p>
preferences:
274.68 ms | 407 KiB | 352 Q