[OTR-users] Stronger crypto?

Michael Reichenbach michael_reichenbach at freenet.de
Sat May 10 09:27:45 EDT 2008


Jonathan Schleifer wrote:
> Hi!
> 
> I looked at the specification of the OTR protocol and have a few
> suggestions.
> 
> First: Why not move from AES128-CTR to AES256-CBC? It only needs a few
> cycles more, but provides stronger crypto. Shouldn't be a problem, even
> on slower machines.
> 
> Second: Why not increase the public/private key to 4096 bit? DSA2 can
> handle that. And since that key isn't generated every 5 minutes,
> performance on slow machines shouldn't be an issue here either.
> 
> I haven't read the whole specification, only had a quick look at it, so
> feel free to correct me if I've missed something.
> 
> I'd welcome it if there'd be a new OTR version providing stronger cryto.
> 

I can second this and would like to see strongest cryptography. Instant 
of AES128 or AES256 a cascade with AES256-Twofish-Serpent could be used.



More information about the OTR-users mailing list