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by nijave
1016 days ago
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Does this use something like asymmetric keys so door can verify a key came from the issuing system or is there still some online/network portion? Assuming it does use asymmetric keys to prevent someone from creating counterfeit access cards, there would still be a window (if the network is unavailable) where the old key would continue to work until a new key is scanned the first time on the door lock? |
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