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.

Date of Patent:
Apr. 04, 2017

Filed:

Dec. 02, 2011
Applicants:

Andrew Whaley, Buxton, GB;

George French, Bedford, GB;

Jeremy Goldstone, Prestwich, GB;

Ian Sayers, Cheshire, GB;

Inventors:

Andrew Whaley, Buxton, GB;

George French, Bedford, GB;

Jeremy Goldstone, Prestwich, GB;

Ian Sayers, Cheshire, GB;

Assignee:

BARCLAYS BANK PLC, London, GB;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0861 (2013.01); H04L 9/0866 (2013.01);
Abstract

A user inputs a pattern consisting of a plurality of lines. The lines are classified by relative length, overall direction and degree of curvature. Where a line is started from a new position, the direction from the previous starting point is taken into account. The series of lines is then serialized into a key value, which may then be used to decrypt data stored on a device. This enables data to be securely stored since the key is supplied by the user at runtime and is not itself stored on the device.


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