Method for accessing a user operable device of controlled...

Details Method for accessing a user operable device of controlled... Method for accessing a user operable device of controlled...

2002-06-26

2008-11-25

Moazzami, Nasser (Department: 2136)

Cryptography

Key management

Key distribution

C713S168000, C380S270000, C380S277000

Reexamination Certificate

active

07457418

ABSTRACT:
Method for accessing a user operable device having a limited access ability by a user. Therefore a user transmits an inquiry using a mobile device via a wide area transmission network to a key authority. The key authority retransmits an electronic access key. This access key is stored in the mobile device and later transmitted to a controller unit controlling the access the user operable device allowing the user to operate on it.

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