I live in a youth hostel of an university and we access our rooms and labs by using a contactless key card. I want to clone my card to my phone.
Is it possible to copy when it is key protected? Can it be hacked?
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1It depends on the particular key fob system in use. Cheaper ones just use an ID number in each tag and are easy to copy. Secure ones use a challenge-response mechanism, like contactless payment cards, and are practically impossible to copy. – Dan Hulme Nov 23 '14 at 00:49
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http://i58.tinypic.com/2hq5nbm.png seems like it when the card has been scanned. I remember that they are typing some numbers to configure the card. Can it be key protection? or Key protection is more complicated than it? – A.T. Nov 23 '14 at 13:49