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:
Aug. 06, 2013

Filed:

Dec. 29, 2008
Applicants:

Jiang Zhang, La Jolla, CA (US);

Alexander Medvinsky, San Diego, CA (US);

Inventors:

Jiang Zhang, La Jolla, CA (US);

Alexander Medvinsky, San Diego, CA (US);

Assignee:

Motorola Mobility LLC, Libertyville, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G06F 21/00 (2006.01); G06F 15/16 (2006.01); G06F 7/04 (2006.01); H04K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A domain key is securely distributed from a device in an existing network to a device outside the network. Each device generates the session key on its own using the first random number, the second random number, the Personal Identification Number, and the same key generation function. The device in the existing network sends the domain key encrypted with the session key to the other device.


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