<p>I need to implement an OpenID Provider in .Net and wondered....Is there's any OpenSource code already written and available?</p>

I just found
http://code.google.com/p/dotnetopenid/
Apologies for not search properly first.....
I don't seem to be able to delete this question (strange)
Instead, as penance, this question and answer will be marked community property so I don't benefit in any way from my stupidity..