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:
Sep. 06, 2016
Filed:
Jul. 01, 2014
Applicant:
Mastercard International Incorporated, Purchase, NY (US);
Inventors:
David A. Roberts, Warrington, GB;
Michael Ward, Nr. Bridgewater, GB;
Assignee:
MasterCard International Incorporated, Purchase, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); H04L 9/08 (2006.01); G06F 21/72 (2013.01);
U.S. Cl.
CPC ...
H04L 9/0869 (2013.01); G06F 21/72 (2013.01); H04L 2209/56 (2013.01);
Abstract
A method of generating an unpredictable number in a computing device is provided. The method comprises the computing device performing the following programmed steps: obtaining a plurality of data elements; performing a first one way function on an internal value P and the plurality of data elements to update the value P; and performing a second one way function on the value P to obtain the unpredictable number. A computing device adapted to perform this method is also described.