* A null-encryption stream does not encrypt anything but can be used if e.e.
* mcrypt is not installed.
*
- * @author Roland Haeder <webmaster@ship-simu.org>
+ * @author Roland Haeder <webmaster@shipsimu.org>
* @version 0.0.0
* @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 Developer Team
* @license GNU GPL 3.0 or any newer version
- * @link http://www.ship-simu.org
+ * @link http://www.shipsimu.org
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* @return $streamInstance An instance of this node class
*/
- public final static function createNullCryptoStream () {
+ public static final function createNullCryptoStream () {
// Get a new instance
$streamInstance = new NullCryptoStream();
// Return the instance
return $streamInstance;
}
+
+ /**
+ * Encrypt the string with fixed salt
+ *
+ * @param $str The unencrypted string
+ * @param $key Optional key, if none provided, a random key will be generated
+ * @return $encrypted Encrypted string
+ */
+ public function encryptStream ($str, $key = NULL) {
+ // Just handle it over
+ $encrypted = (string) $str;
+
+ // Return it
+ return $encrypted;
+ }
+
+ /**
+ * Decrypt the string with fixed salt
+ *
+ * @param $encrypted Encrypted string
+ * @return $str The unencrypted string
+ */
+ public function decryptStream ($encrypted) {
+ // Just handle it over
+ $str = (string) $encrypted;
+
+ // Return it
+ return $str;
+ }
+
+ /**
+ * Streams the data and maybe does something to it
+ *
+ * @param $data The data (string mostly) to "stream"
+ * @return $data The data (string mostly) to "stream"
+ * @throws UnsupportedOperationException If this method is called (which is a mistake)
+ */
+ public function streamData ($data) {
+ self::createDebugInstance(__CLASS__)->debugOutput('Unhandled ' . strlen($data) . ' bytes in this stream.');
+ throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
+ }
}
// [EOF]