public static boolean isAuthenticatingAtPublicWorkstation(final RequestContext ctx) {
        val foundParameter = ctx.getFlowScope().contains(CasWebflowConstants.ATTRIBUTE_PUBLIC_WORKSTATION);
        if (foundParameter && BooleanUtils.toBoolean(ctx.getFlowScope().getBoolean(CasWebflowConstants.ATTRIBUTE_PUBLIC_WORKSTATION))) {
            LOGGER.debug("Public workstation flag detected. SSO session will be considered renewed.");
            return true;
        }
        return false;
    }
Is authenticating at a public workstation?

@param ctx the ctx
@return true if the cookie value is present
core/cas-server-core-web-api/src/main/java/org/apereo/cas/web/support/WebUtils.java