[p2p-hackers] P2P Authentication

[Alex Pankratov]

Alen Peacock wrote:

 > Please poke holes if you see them:
...
> I don't think this scheme is new, and it is a tad inefficient if done
> for every operation.

It's nearly as inefficient as it gets. It might be suitable for low
traffic applications like instant messaging, and that's about it.
You may want to look at how TLS, SSH and IPsec handle bulk traffic
security - they all utilize symmetric encryption for this purpose
and generate and use shared encryption and authentication keys.