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One Key | |||||||||||||||||
I want my key replaced by some kind of encrypted code on a smart card. Each lock would give "administrator" access to the person who first used it and could subsequently be re-programed to accept or deny access and administrator rights to anyone the adminstrator pleases. So what are the benefits? - Your One Key would give you access to everywhere you now have a seperate key for - e.g. your house, your car, your office/school, your parents' house etc. - You could give temporary access to your house to anyone you choose without even needing to be there - visiting relatives/friends for instance. - You would only need one key for the rest of your life - to move house you'd just remove your code from the lock on your old house and get admin rights on the new lock. - Encoded smart cards would be more secure than traditional keys. - Problems of lost keys would become trivial - just cancel the lost key! - You could even make locks give access to certain people in certain situations. Perhaps if the fire alarm is going off then the lock would let a fireman in! (Obviously this has some security implications, but the possiblity is there.) - Hotel rooms and such could be pre-programmed to let you in for the period of your stay without even the need to stop and check in. - It would fit in your wallet! What do you think of this idea or comment?
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Good idea, but if you lose the card how do you "cancel" it?How do you verify your identity to every lock you "had" access to? How can you prevent anyone else from doing the same thing, making your locks "think" your key was lost and the intruder is valid?
The good thing about a keychain full of keys is that when you lose the keychain, no one really knows where those keys go... and you can just get new keys from the other people who have those keys (because they'll know you)...
In reply to Joe...To cancel it, you'd identify yourself to the administrator for a lock - either because they know you, or with some other forms of ID. It'd be the same as if you lost a normal key!
I can't see any situation where an intruder would be able to gain access with a random key.
As for identifying the lost key - there wouldn't be any more identifying marks on it than on a keychain.
Contact the Hafele hardware companythey are working on using transponders(similar to EZ-pass and Mobil pump keys)nd have a system worked out that is pretty fool-proof.It's being used for gym lockers, etc.
What happens in a power cut? Do you get locked out of your house, or leave the front door open?
In reply to regularfry
Well, there are lots of electronic entry systems currently in use, so it can't be that much of a big deal!
The automotive version of this idea was just cracked by a team of people with relatively simple equipment. The thief can stand beside you and download the access code to that brand new Benz in a few seconds using a device about the size of an iPod. For my safety I'll stick to my half kilo of keys for various things (no, I don't keep them all in my pocket and no, I don't know where they all go.)