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:
Apr. 01, 2014
Filed:
Aug. 01, 2006
Jean-philippe Perrin, Seoul, KR;
Harald Norbert Bauer, Nuremberg, DE;
Patrick Fulcheri, Antibes, FR;
Jean-Philippe Perrin, Seoul, KR;
Harald Norbert Bauer, Nuremberg, DE;
Patrick Fulcheri, Antibes, FR;
ST-Ericsson SA, Geneva, CH;
Abstract
The method of protecting a secret key from being read by a non-secure software application, comprises a step () of recording the secret key as a routine stored in an executable-only memory. The routine having: load instructions to load the secret key into a memory readable by a secure and a non-secure software application, if the routine is called by the secure software application, and control instructions to leave only dummy data instead of the secret key in the readable memory if the software application calling the executable-only routine is the non-secure software application.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile