Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I'm making a system based on web technologies, which means that my interaction with hardware is very limited (keyboard/mouse).

I would like to modify/write some code/driver that makes my fingerprint reader to send an unique encoded image hash (base64/md5/sha512) through the keyboard communication.

I just need some initial information, how do I start it, what should I learn, where should I learn. The learning curve is HUGE, but it's cool =)


share|improve this question
A fingerprint reader basically gives you a picture. Getting the md5 or other hash of that picture would be pointless as it would depend on the exact position of the finger. You can retrieve the picture and reencode it if you like. What do you want to do with it? This is not at all clear from your question. – Gilles Dec 18 '12 at 23:31

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Browse other questions tagged or ask your own question.