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:
Dec. 03, 2019
Filed:
Jul. 12, 2016
Symantec Corporation, Mountain View, CA (US);
Venkadesan Marimuthu, Chennai, IN;
SYMANTEC CORPORATION, Mountain View, CA (US);
Abstract
Systems and methods for dynamic guided obfuscation pattern generation for preventing smudge attacks on touch screen devices are provided. One method may include receiving a user access pattern associated with a matrix displayed on the user interface; wherein, the system generates an obfuscation pattern based upon the user access pattern. For example, the system may generate edges of the obfuscation pattern by determining potential lines that may be drawn from the first and last points of the user access pattern, which are non-repeating and non-overlapping with any edges of the user access pattern and any edges of the obfuscation pattern. The system may iteratively generate edges until a predetermined number of edges are generated or no more edges can be drawn meeting the requirement. Further, the system may display the obfuscation pattern in a point by point or edge by edge fashion on the user interface, enabling the user to draw the new pattern that disguises the user's original access pattern.