Re: Suggested changes for DSA2

[David Shaw <dshaw@xxxxxxxxxxxxxxx>]

On Mon, Mar 27, 2006 at 02:08:15PM -0800, "Hal Finney" wrote:
> 
> As an implementor, the question remains: when I verify a signature, what
> q sizes should I allow for a given p?  For example, what q is OK for a p
> of 1536?  What q is OK for a p of 4096?  Should I just make something up?
> How is that going to promote interoperability?

For implementation of signature verification you can just take p and q
straight from the public key.  You don't need to guess since the key
has all the information you need.

David