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neojou/hash_generator.php

Last active February 27, 2021 02:21
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PHP Hash Generator - can do for MD5, SHA1, SHA224, SHA256
Raw
hash_generator.php
<html>
<body>
<HR/>
<?php
function strToHex($string)
{
$hex='';
for ($i=0; $i < strlen($string); $i++)
{
$hex .= dechex(ord($string[$i]));
}
return $hex;
}
function hexToStr($hex)
{
$string='';
for ($i=0; $i < strlen($hex)-1; $i+=2)
{
if ( $hex[$i] == ' ') continue;
$string .= chr(hexdec($hex[$i].$hex[$i+1]));
}
return $string;
}
if(isset($_POST["inputString"])) {
if ($_POST['datatype']=="Text") {
$useHex = false;
} else {
$useHex = true;
}
if ( $useHex ) {
$text = hexToStr($_POST['inputString']);
$key = hexToStr($_POST['secretKey']);
} else {
$text = $_POST['inputString'];
$key = $_POST['secretKey'];
}
$algo = $_POST['algorithm'];
if ( $algo == "MD5") {
$digest = md5($text, false);
$hmac_digest = hash_hmac("md5", $text, $key, false);
}
else if ( $algo == "SHA1") {
$digest = sha1($text, false);
$hmac_digest = hash_hmac("sha1", $text, $key, false);
}
else if ( $algo == "SHA224") {
$digest = openssl_digest($text, "sha224", false);
$hmac_digest = hash_hmac("sha224", $text, $key, false);
}
else if ( $algo == "SHA256") {
$digest = openssl_digest($text, "sha256", false);
$hmac_digest = hash_hmac("sha256", $text, $key, false);
}
}
?>
<H1> PHP HMAC Generator </H1>
<form action="" method="post" name="form1">
<select id="datatype" name="datatype">
<option value="Text">Text </option>
<option value="Hex">Hex</option>
</select>
<div class="title first"><span class="option">message</span></div>
<textarea rows="" cols="80" id="inputString" name="inputString"></textarea>
<div class="title"><span class="option">Secret Key</span></div>
<input type="text" name="secretKey" style="width:100%;" value=""/>
<div class="title"><span class="option">Select a message digest algorithm</span></div>
<select id="algorithm" name="algorithm">
<option value="SHA1">SHA1</option>
<option value="SHA224">SHA224</option>
<option value="SHA256">SHA256</option>
<option value="MD5">MD5</option>
<option value="DES">DES</option>
</select>
<div class="buttons">
<input type="submit" value="Create Hash">
</div>
</form>
<HR>
<p> Algorithm : <strong><?php echo $algo; ?></strong></p>
<p> Message : <strong><?php echo $text; ?></strong></p>
<?php
echo "Message strToHex: ".strToHex($text)."<br/>";
?>
<p> Key : <strong><?php echo $key; ?></strong></p>
<?php
echo "key strToHex: ".strToHex($key)."<br/>";
?>
<p> no-hmac: <strong><?php echo $digest; ?></strong></p>
<p> HMAC: <strong><?php echo $hmac_digest; ?></strong></p>
</body>
</html>
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