US Patent 7522732 Method for controlling the distribution of software code updates

Patent 7522732 was granted and assigned to Lexmark International, Inc. on April, 2009 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Lexmark International, Inc.

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

75227320

Patent Inventor Names

David Harold Whitehead0

Date of Patent

April 21, 2009

Patent Application Number

109840490

Date Filed

November 9, 2004

Patent Primary Examiner

‌

Brandon S Hoffman

Patent abstract

A method is described for controlling the distribution of a software code update for an embedded software application on a device. The method includes the steps of assigning an asymmetric key pair to the software application and another asymmetric key pair to the sender of the software code update. The software code update is sent in a secure manner to one or more devices while preventing devices not possessing to the appropriate keys from obtaining the software code update.

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