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.
Patent No.:
Date of Patent:
Jan. 21, 2020
Filed:
Apr. 08, 2016
Applicant:
Vodafone Ip Licensing Limited, Newbury, Berkshire, GB;
Inventor:
Stephen H. Babbage, London, GB;
Assignee:
VODAFONE IP LICENSING LIMITED, Newbury, Berkshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04W 12/04 (2009.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04W 12/04 (2013.01); H04L 9/0841 (2013.01);
Abstract
Method, system or Universal Integrated Circuit Card (UICC) for provisioning a UICC with a new key. The UICC contains an initial subscriber key shared between the UICC and an authentication center. A new key is exchanged between the UICC and the authentication center using a communication between the UICC and the authentication center authenticated using the initial subscriber key. The new key is used in place of the initial subscriber key for further communications with the UICC.