Hi Matthias!
There is also a port of the Relic library toolkit
https://code.google.com/p/relic-toolkit/ including an extension for modern
Edwards Curves (ECC).
For the current status of the Relic porting see
https://github.com/RIOT-OS/RIOT/pull/2213 - I think it's only a matter of a
few days
Hi Matthias,
there is ongoing work on DTLS + additional authentication.
There is also a port of the Relic library toolkit
https://code.google.com/p/relic-toolkit/ including an extension for
modern Edwards Curves (ECC).
There should be also additional work, but I'm not sure about its status.