code: public boolean isPasswordCorrect(String password) {
  		final String actualPassword = configurationRegistry.getString(updateConfigPasswordKey);
  		return "".equals(actualPassword) || actualPassword != null && actualPassword.equals(password);
  	}
docs: Validates a password.
  
  @param password the provided password to validate
  @return <code>true</code>, if the password is correct, <code>false</code> otherwise