In my quest to find a decent notation program, I have failed yet again. But I’ll have to stick with this one for the time being, just for its mouse input (and hence pen input) capabilities.

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Now that I have gotten seriously addicted to Tablet PC (the faux paper templates in Windows Journal alone were enough to get me hooked), I’ve been pondering about some limitations of the platform. One is authentication. One of things you are not happy to do with a mouse — which the pen is, sort of — is inputting random strings that have become of modern-day passwords.

So I understood the point of the fingerprint reader option on this build. Swipe and you can bypass having to type passwords in tablet mode when the keyboard is hidden. But I didn’t get the option, and I believe there are other alternatives.

There are many modes of biometric authentication, fingerprint, face recognition, handwriting, voice, etc., and getting nearly perfect reliability in each case is a difficult problem when used alone. State of the art is just not good enough. But combined into a multifactored authentication protocol, it may just work. Here is something that should work today with existing hardware:

That should do the trick for a quick keyboard-less authentication. Why hasn’t anybody written software to do this?

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