[OTR-users] DH modulus size & RSA keys

[Ian Goldberg]

On Mon, Mar 28, 2005 at 04:18:19AM -0500, Jason Cohen wrote:
> Upon reading the Protocol Description paper I found I was incorrect
> about the DH modulus size (It's 1536 bits rather than 1000). However, I
> would still like to use a 2048 bit modulus which is the currently
> recommended size. Is this possible?
> 
> I also saw a great deal of discussion on the developer's mailing list
> about allowing the use of RSA signing keys in addition to DSS. Are RSA
> signing keys currently allowed? If so, how would I go about increasing
> the size to 2048 bits?

In this version of the protocol, the only key exchange method defined is
DSA, and the only key agreement is 1536-bit DH.  This may change in a
later version, at the cost of incompatibility with clients that don't
understand it.

   - Ian