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. 25, 2014
Filed:
Nov. 17, 2010
Muhammad Khurram Khan, Riyadh, SA;
Mohamed Hamdy Khalil Eldefrawy, Riyadh, SA;
Khaled Soliman Alghathbar, Riyadh, SA;
Muhammad Khurram Khan, Riyadh, SA;
Mohamed Hamdy Khalil Eldefrawy, Riyadh, SA;
Khaled Soliman Alghathbar, Riyadh, SA;
King Saud University, Riyadh, SA;
Abstract
Systems and methods for One-Time Password (OTP) authentication with infinite nested hash chains are described. In one aspect, a methodology includes a client device that provides a one-time password (OTP) authentication server with certain registration information. The client device generates, via the OTP authentication server, an authenticated OTP with infinite nested hash chains, These generating operations use a first hash function (hA (−)) for updating a seed chain, a second hash function (h(•)) for OTP production, an OTP seed number sfor a tauthentication, and two authentication seeds of numbers sand s, for the tauthentication.