protected String decodeYubikeyRegisteredDevice(final String devicePublicId) {
        try {
            return getCipherExecutor().decode(devicePublicId);
        } catch (final Exception e) {
            LoggingUtils.error(LOGGER, e);
        }
        return null;
    }
Decode yubikey registered device.

@param devicePublicId the device public id
@return the string
support/cas-server-support-yubikey-core/src/main/java/org/apereo/cas/adaptors/yubikey/registry/BaseYubiKeyAccountRegistry.java