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. 25, 2015

Filed:

Oct. 19, 2012
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Adrian Edward Escott, Reading, GB;

Michaela Vanderveen, Tracy, CA (US);

Alexander W. Dent, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); H04W 12/02 (2009.01); H04L 29/06 (2006.01); H04W 12/04 (2009.01); H04W 76/02 (2009.01);
U.S. Cl.
CPC ...
H04W 12/02 (2013.01); H04L 63/0457 (2013.01); H04W 12/04 (2013.01); H04W 76/023 (2013.01);
Abstract

A method, an apparatus, and a computer program product for wireless communication are provided in connection with providing additional security for communication of sensitive information within a LTE based WWAN. In one example, a communications device is equipped to generate a keystream based on a mobility management entity-user equipment (MME-UE) key, a non-access stratum (NAS) message count value, and a contextual string associated with an informational element, and the contextual information, and cryptographically process the informational element using the generated keystream. In such an example, the communications device may be a UE, a MME, etc.


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