@Override
    public String getSigningKeySetting() {
        return "cas.interrupt.cookie.crypto.signing.key";
    }
This is {@link InterruptTrackingCookieCipherExecutor}.

@author Misagh Moayyed
@since 7.0.0
support/cas-server-support-interrupt-core/src/main/java/org/apereo/cas/interrupt/InterruptTrackingCookieCipherExecutor.java