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grader.php
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grader.php
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<!DOCTYPE HTML>
<html lang="en">
<head>
<meta charset="UTF-8">
<title> Dan Maia's MD5 Cracker - grader version </title>
</head>
<body>
<h1> Dan Maia's MD5 Cracker - grader version </h1>
<p>
This application takes an MD5 hash of a four digit pin and checks all 10.000 possible four digit PINs to determine the PIN.
</p>
<p>
This is a simple version made for the grader, limited for PINs. <a href="Dan-advanced.php"> Check the advanced mode </a>, that searches for a user-defined scope of passwords.
</p>
<?php
if( isset($_GET["md5"]) ) {
echo "<p> <pre>";
$startTime = microtime(TRUE);
echo "Debug Output:\n";
$md5 = $_GET["md5"];
$found = FALSE;
for( $i=0; $i<=9999; $i++) {
$check = hash( "md5", sprintf("%04d",$i) );
if( $i < 15 )
echo $check . " " . sprintf("%04d",$i) . "\n";
if( $check == $md5 ) {
$found = TRUE;
$foundPIN = sprintf("%04d",$i);
}
}
echo "Total checks: $i\n";
$endTime = microtime(TRUE) - $startTime;
echo "Ellapsed time: $endTime";
echo "</pre> </p>";
echo "<p> <strong>";
if( $found == TRUE )
echo "PIN: " . $foundPIN;
else
echo "PIN: Not found";
echo "</strong> </p>";
}
?>
<form>
<input type="text" name="md5" size="50" value="<?php echo $_GET["md5"] ?? "" ?>">
<input type="submit" value="Crack MD5">
</form>
<ul>
<li>
<a href="index.php"> Reset this page </a>
</li>
<li>
<a href="Dan-advanced.php"> Dan's MD5 cracker - advanced mode </a>
</li>
</ul>
</body>
</html>