Electronic access control system and method

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Security kernel or utility

Reexamination Certificate

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Details

C713S172000, C340S005200, C340S005500, C340S005600

Reexamination Certificate

active

06981142

ABSTRACT:
Disclosed is a new and flexible approach for managing physical security in an electronic lock-and-key system. The novel approach does away with cabling or other direct connecting between locks and a system management center. The (physical) keys serve to disseminate access control and other information within the system in a snowball-like way, using an adapted, but simple networking protocol. Whenever appropriate, cryptographic schemes are applied to protect the system.

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