@Override
    public String getEncryptionKeySetting() {
        return "cas.authn.wsfed[0].cookie.crypto.encryption.key";
    }
This is {@link WsFederationCookieCipherExecutor}.

@author Misagh Moayyed
@since 5.3.0
support/cas-server-support-wsfederation/src/main/java/org/apereo/cas/support/wsfederation/web/WsFederationCookieCipherExecutor.java