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sakti/main.php

Created December 13, 2010 05:27
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main.php
<html>
<head>
<title>Enkripsi rsa</title>
</head>
<body>
<?php
ini_set("memory_limit","32M");
include("generate.php");
// FUNGSI ENKRIPSI
$teks=$_POST['plainteks'];
if($_POST['enkrip'])
{
for($i=0;$i<strlen($teks);++$i)
{
$hasilenkripsi.=gmp_strval(gmp_mod(gmp_pow(ord($teks[$i]),$e),$n));
if($i!=strlen($teks)-1)
{
$hasilenkripsi.=".";
}
}
}
//FUNGSI DESKRIPSI
$time_start = microtime(true);
$deskripsi=explode(".", $hasilenkripsi);
if($deskripsi[0]){
foreach($deskripsi as $nilai)
{
$hasildeskripsi.=chr(gmp_strval(gmp_mod(gmp_pow($nilai,gmp_strval($d)),$n)));
}
}
$time_end = microtime(true);
$time = $time_end - $time_start;
?>
<table align="left" border="0" cellspacing="0" cellpadding="2">
<form action="<? $PHPSELF;?>" method="post">
<tr>
<td>Plaintext</td>
<td>&nbsp;
<textarea name="plainteks" rows="5" cols="25" ><?=$teks;?></textarea>
</td>
<td colspan="2"><?= $msg_null;?></td>
</tr>
<tr>
<td>&nbsp;</td><td>&nbsp;&nbsp;<input type="submit" name="enkrip"
value="enkrip"></td>
</tr>
<tr><td>&nbsp;</td></tr>
<tr>
<td>Cipertext</td>
<td>&nbsp;
<textarea name="cipertext" rows="5" cols="25" readonly="readonly" ><?= $hasilenkripsi;?></textarea>
</td>
<td rowspan="2" valign="top">
</td>
</tr>
<tr>
<td>Hasil deskripsi kembali (Plaintext)</td>
<td>&nbsp;
<textarea name="decode" rows="5" cols="25" readonly="readonly" ><?=$hasildeskripsi;?></textarea>
</td>
</tr>
<tr>
<td>
<?php
echo "waktu dekripsi: $time <br>";
if($hasildeskripsi == $teks){
echo "Success: true"."</pre>\n";
}else{
echo "Success: false"."</pre>\n";
}
?>
</td>
</tr>
</form>
</table>
</body>
</html>
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