public String getRadiusKeyPassword() throws GuacamoleException {
        return environment.getProperty(
            RadiusGuacamoleProperties.RADIUS_KEY_PASSWORD
        );
    }
Returns the password for the key file, if it is
password-protected, as configured in guacamole.properties.

@return
    The password for the key file

@throws GuacamoleException
    If guacamole.properties cannot be parsed.
extensions/guacamole-auth-radius/src/main/java/org/apache/guacamole/auth/radius/conf/ConfigurationService.java