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diff --git a/lib/crypt.php b/lib/crypt.php
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+<?php
+/**
+ * ownCloud
+ *
+ * @author Frank Karlitschek
+ * @author Jakob Sack
+ * @copyright 2010 Frank Karlitschek karlitschek@kde.org
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+require_once('Crypt_Blowfish/Blowfish.php');
+
+/**
+ * This class is for crypting and decrypting
+ */
+class OC_Crypt {
+
+	/**
+	 * @brief encrypts an content
+	 * @param $content the cleartext message you want to encrypt
+	 * @param $key the encryption key
+	 * @returns encrypted content
+	 *
+	 * This function encrypts an content
+	 */
+	public static function encrypt( $content, $key) {
+		$bf = new Crypt_Blowfish($key);
+		return($bf->encrypt($contents));
+	}
+
+
+        /**
+         * @brief decryption of an content
+         * @param $content the cleartext message you want to decrypt
+         * @param $key the encryption key
+         * @returns cleartext content
+         *
+         * This function decrypts an content
+         */
+        public static function decrypt( $content, $key) {
+                $bf = new Crypt_Blowfish($key);
+                return($bf->encrypt($contents));
+        }       
+
+
+
+
+
+}