@Override
    public void invalidate() {
        synchronized (ssl) {
            ssl.setTimeout(0L);
        }
    }
Returns the signed certificate timestamp (SCT) received from the peer. Returns a
copy of the internal array.

@see <a href="https://tools.ietf.org/html/rfc6962">RFC 6962</a>
common/src/main/java/org/conscrypt/ActiveSession.java