[astro1138]

Hi, that last link was my talk from 3 years ago. Last year at 29C3 a couple of friends proposed doing this kind of security with elliptic curve cryptography. See the lightning talks recordings. Their code is here: https://github.com/rtreffer/dht

[dvanduzer]

The Youtube link has disappeared, unfortunately, unless there's a better link than this one: https://events.ccc.de/congress/2012/wiki/Lightning_Talks

[nly]

I'll be at 30 ;)