A
Anonymous
Gast
Code:
$input = $_POST['textarea'];
$key = $_POST['key'];
$iv = $_POST['iv'];
/* Open the cipher */
$td = mcrypt_module_open('rijndael-256', '', 'cfb', '');
/* Initialize encryption handle */
if (mcrypt_generic_init ($td, $key, $iv) != -1) {
/* Encrypt data */
$encrypted = mcrypt_generic ($td, $input);
//mcrypt_generic_deinit ($td);
/* Reinitialize buffers for decryption */
mcrypt_generic_init ($td, $key, $iv);
$decrypted = mdecrypt_generic ($td, $encrypted);
/* Clean up */
mcrypt_generic_deinit ($td);
mcrypt_module_close ($td);
}
?>
<p><span class="style3">Ihr entschlüsselter Text:<br><font color="red"><?php echo $decrypted ?></font></span></p>
<p><span class="style3">Sie haben dieses Passwort eingegeben:<br><font color="red"><?php echo $key ?></font></span></p>
Code:
$_POST['irgendwas']
Code:
$iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_DEV_RANDOM);
echo $iv