Re: [Monotone-devel] Re: Policy branches - first steps

[Jack Lloyd]

On Mon, Feb 26, 2007 at 01:17:24PM -0800, Justin Patrin wrote:
> 3) DSA can only sign less than 256 bits (140?) so moving to SHA-256
> and DSA will be problematic.

DSA, algorithmically, can sign arbitrary size hashes, as long as you
choose a large enough q parameter. Until recently the standardized max
for q was 160 bits, FIPS 186-3 (currently in draft) allows longer q if
you use a longer p (q=256 is OK with p=2048 or 3072 bits).