Using the excellent library over at : http://code.google.com/p/dotnetopenid/

... this code aims to provide a fully functioning provider portal with user account management and other additional features (such as FOAF etc).

It includes :

- openid in the format domain.org/username or username.domain.org

- account management

- growing multi-lingual support

- a starter database

- account verification

- coming support for FOAF etc

Lots more - please join and hack away!

We need help with coding and especially translation!!

An implementation can be seen at http://openid.org

Group at http://groups.google.com/group/dotnetopenidprovider