Gutmann Soundwave Therapy

Eric Rescorla ekr at networkresonance.com
Fri Feb 1 10:41:48 EST 2008


At Fri, 01 Feb 2008 18:42:03 +1000,
James A. Donald wrote:
> 
> Guus Sliepen wrote:
> > Peter's write-up was the reason I subscribed to this cryptography
> > mailing list. After a while the anger/hurt feelings I had disappeared.
> > I knew then that Peter was right in his arguments. Nowadays I can look
> > at Peter's write-up more objectively and I can see that it is not as
> > ad-hominem as it felt back then, although the whole soundwave paragraph
> > still sounds very childish ;)
> > 
> > When tinc 2.0 will ever come out (unfortunately I don't have a lot of
> > time to work on it these days), it will probably use the GnuTLS library
> > and authenticate and connect daemons with TLS. For performance reasons,
> > you want to tunnel network packets via UDP instead of TCP, so hopefully
> > there is a working DTLS implementation as well then.
> 
> I have been considering the problem of encrypted channels over UDP or 
> IP.  TLS will not work for this, since it assumes and provides a 
> reliable, and therefore non timely channel, whereas what one wishes to 
> provide is a channel where timeliness may be required at the expense of 
> reliability.

DTLS: RFC 4347.

-Ekr

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