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:
May. 26, 2020
Filed:
Nov. 29, 2017
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Debbie Anglin, Williamson, TX (US);
Howard Anglin, Leander, TX (US);
Su Liu, Austin, TX (US);
Yu Liu, Beijing, CN;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G06F 9/54 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3226 (2013.01); G06F 9/54 (2013.01); H04L 9/3236 (2013.01); H04L 9/3242 (2013.01); H04L 2209/38 (2013.01);
Abstract
An example operation may include one or more of hashing a password received from a user device to create one or more password hash values, determining whether the one or more password hash values match any internal password hash values of an internal password history chain stored in a blockchain, and providing an access level to the user device assigned to the matched one or more internal password hash values.