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:
Mar. 05, 2019
Filed:
Feb. 06, 2017
Dolphin Integration, Meylan, FR;
Gilles Depeyrot, Claix, FR;
Olivier Monfort, Grenoble, FR;
Dolphin Integration, Meylan, FR;
Abstract
The present invention concerns a method of protecting sensitive data, and a corresponding computing system processing device, comprising: entering, by a processing device, a sensitive date access mode in-which sensitive data is accessible; restricting, by a program running in the sensitive data access mode, one or more accessible address ranges for a non-secure function, and calling, from the sensitive data access mode, the non-secure function; and entering, by the processing device, a further operating mode to execute the non-secure function during which the processing device has access to only the one or more accessible address ranges.