String username = dis.readUTF();
BASE64Decoder decoder = new BASE64Decoder();
String pass = dis.readUTF();
String password = new String(decoder.decodeBuffer(pass), "UTF8");
dis.close();
String rep = authProps.getProperty(
AccessController.PROP_AUTHENTICATION_PREFIX+ getType()+
AccessController.PROP_USER_REPOSITORY_SUFFIX);