When my hardware gives a particular response then my software must provide authentication to him. How to do that

Question

authentication

Answer 1

what do you mean by that plz clarify, if you are currently working on something plz provide what problem you are facing.

Answer 2

I will be scanning the hand nerve structure using infrared rays.. when it matched with a particular structure of viens then the software must provide authentication only to him else it must reject.

Answer 3

the device which you will use to scan the nerve will send dome data to your program. Now if the structure of hand you received is same as what you want then provide access.

Answer 4

yes that's my excat requirement.. how can I do that?