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[PHP] 서명(signature) 생성 샘플코드

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Modified on 2012/06/04 21:14 by Administrator Categorized as mQR

서명(signature) 생성 PHP 샘플코드



here is slight difference between .Net and PHP. While .Net expects byte array as key, PHP expects string as key. Thus we have to form string representing byte array.

예제1

  • 텍스트(t)를 자동 생성코자 할때

<?php
$key = pack('c*', 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff);
$sig = hash_hmac('sha256', "t=HelloWorld&r=10", $key);
echo '<img src="http://mqr.kr/qr/?t=HelloWorld&amp;r=10&amp;sign='.$sig.'"/>';
?>

예제2

  • 현재 날짜 / 시간으로 QR 코드를 생성을위한 PHP 코드 샘플

<?php
$key = pack('c*', 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff);
$text = date('Y.m.d H:i:s');
$query = 't='.urlencode($text).'&r=10&j=1&m=20&lb=fccd13&lt=ed1e2e&rt=155ca2';
$sig = hash_hmac('sha256', $query, $key);
echo '<img src="http://mqr.kr/qr/?'.htmlentities($query).'&amp;sign='.$sig.'"/>';
?>

  • $text 변수에 텍스트를 삽입할 수 있습니다

예제3

  • 홈페이지 현재 URL 정보를 담은 QR코드 자동 생성을위한 PHP 코드 샘플

<?php
function curPageURL() {
 $pageURL = 'http';
 if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
 $pageURL .= "://";
 if ($_SERVER["SERVER_PORT"] != "80") {
  $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
 } else {
  $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
 }
 return $pageURL;
}
?>

<?php
$key = pack('c*', 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff);
$text = curPageURL();
$query = 't='.urlencode($text).'&r=10&j=1&m=20&lb=fccd13&lt=ed1e2e&rt=155ca2';
$sig = hash_hmac('sha256', $query, $key);
echo '<img src="http://mqr.kr/qr/?'.htmlentities($query).'&amp;sign='.$sig.'"/>';
?>

  • PHP에서 현재 URL을 찾아내는것은 찾은결과 이것보다 간단한 방법이 없는듯합니다.

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