}
if ($mode === "encrypt") {
//get 64 bit encrypted data:
$enc_data = Encrypt(Decrypt(Encrypt($data, $key_Ks1), $key_Ks2), $key_Ks3);
//64 to dec and dec to hex:
$dec_enc_data = ArrayToDec($enc_data);
$hex_enc_data = DecToHex($dec_enc_data);
echo "<br />";
echo "encription result:<br />";
test($hex_enc_data, 1);
} elseif ($mode === "decrypt") {
//get 64 bit decrypted data:
$dec_data = Decrypt(Encrypt(Decrypt($data, $key_Ks3), $key_Ks2), $key_Ks1);
//64 to dec and dec to hex:
$dec_dec_data = ArrayToDec($dec_data);
$hex_dec_data = DecToHex($dec_dec_data);
echo "<br />";
echo "decription result:<br />";
test($hex_dec_data, 1);
}
}
//end if
?>
</div>
</body>
<script>
function SameToKey1() {
var key1 = document.getElementsByName("key1[]");
var key3 = document.getElementsByName("key3[]");
for (var i = 0; i < 8; i++) {
key3[i].value = key1[i].value;
<?php
/**
* Write a string function DecToHex(N) that returns a string containing the hexadecimal representation of a
* nonnegative integer N. The string consists of characters "0"–"9", "A"–"F" and does not contain leading zeros
* (except for the representation of zero number). Using this function, output hexadecimal representations of five
* given integers.
*/
include 'helper.php';
function DecToHex($N)
{
echo dechex($N) . '<br/>';
}
DecToHex(65535);
DecToHex(255);
DecToHex(127);
