http://www.theregister.co.uk/2005/02/01/msn_belgium_id_cards/
This article is about Bill Gates, Microsoft working with Belgium on the eID card for online checking....
This was the beginning, and everyone needs to read this article.
Much better, but still no cigar.
This thing was said to have been built in the early 1970's. The computer power required to do what you describe certainly does not require three square city blocks of Brussels, Belgium.