some notes here: <a href="http:&#x2F;&#x2F;cryptologie.net&#x2F;article&#x2F;321&#x2F;real-world-crypto-day-2&#x2F;" rel="nofollow">http:&#x2F;&#x2F;cryptologie.net&#x2F;article&#x2F;321&#x2F;real-world-crypto-day-2&#x2F;</a><p>paper is on the way