The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 23, 2019

Filed:

Jul. 26, 2017
Applicant:

Unify Gmbh & Co. KG, Munich, DE;

Inventors:

Thomas Gamer, Oftersheim, DE;

Matthias Roth, Kuppenheim, DE;

Michael Bahr, Munich, DE;

Christian Schwingenschlogl, Putzbrunn, DE;

Assignee:

Unify GmbH & Co. KG, Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 12/04 (2009.01); H04L 29/06 (2006.01); H04L 9/08 (2006.01); H04W 36/00 (2009.01); H04W 12/06 (2009.01);
U.S. Cl.
CPC ...
H04L 63/062 (2013.01); H04L 9/083 (2013.01); H04W 12/04 (2013.01); H04W 36/0016 (2013.01); H04L 2209/80 (2013.01); H04W 12/06 (2013.01);
Abstract

A key distributer node for a network includes a memory device with at least one first key, at least one data communication device that can exchange data with first and second access nodes for a terminal integrated wirelessly into the network, at least one processor connected to the memory device and the data communication device, wherein functions are provided for the processor(s) that allow authentication of the terminal at the second access node in response to a key request received by the second access node, a derivation of a second key from the first key, and triggered transmission of the second key through the data communication device to the second access node. Connections to the network's first and second access nodes with security relationships can be provided for the key distributor node when using the first key.


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