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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.:

US 9614847 B1

PDFFull Text
Date of Patent:
Apr. 04, 2017

Filed:

Mar. 05, 2015

User authentication

Applicant:

Tata Consultancy Services Limited, Mumbai, IN;

Inventors:

Rajan Mindigal Alasingara Bhattachar, Bangalore, IN;

Shivraj Vijayshankar Lokamathe, Bangalore, IN;

Barkur Suryanarayana Adiga, Bangalore, IN;

Balamuralidhar Purushothaman, Bangalore, IN;

Sitaram Venkata Chamarty, Madhapur Hyderabad, IN;

Assignee:

Other;

Attorney:

Schwegman Lundberg & Woessner, P.A.

Primary Examiner:

Amir Mehrmanesh

Int. Cl.
CPC ...
H04L 29/06 (2006.01); G06F 21/31 (2013.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01); H04L 9/30 (2006.01);
U.S. Cl.
CPC ...
H04L 63/0884 (2013.01); G06F 21/31 (2013.01); H04L 9/0866 (2013.01); H04L 9/3228 (2013.01); H04L 9/3297 (2013.01); H04L 9/3066 (2013.01);
Abstract

Method and system for user authentication are described. The method comprises receiving an authentication code from an application server seeking authentication of the user. Further, a private key of the user is computed in real time based on a user identity (ID) of the user and a master secret key of the PKG. The method further comprises, ascertaining a verification code based on the private key of the user and a verification timestamp, wherein the verification timestamp indicates a time at which the ascertaining of the verification code was initiated. Further, the authentication code is compared with the verification code. Further, the method comprises authenticating the user based on the comparison.

Find Patent Forward Citations

Alasingara Bhattachar, Rajan. (2017). User authentication (U.S. Patent No. 9614847). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9614847

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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