Biometric Security on a website (fingerprint authentication)

What is the best way to prevent access to a site via fingerprint authentication (ie. a hardware device that scans your fingerprint)?

I spent some time looking online, and I can only find DigitalPersona offering anything suitable. Their ‘DigitalPersona Online’ package seems to be what I’m looking for: [url]http://www.digitalpersona.com/products/dpOnline.php[/url]

It seems to be run by/heavily supported by Microsoft (the server must run on Windows though the SDK can be put on a *NIX).

Are there any alternatives?

I found this one in Japan but I can’t understand it properly: [url]http://technoimagia.co.jp/[/url]

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