Patent · US Active

Password management and verification with a blockchain

US10594487B2 · kind B2 · utility

1Cited by

2References

17Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Debbie Anglin · Georgetown, US
Howard N. Anglin · Austin, US
Su Liu · Round Rock, US
Yu Liu · Beijing, CN

Key dates

Filing date	Jul 27, 2017
Grant date	Mar 17, 2020
Priority date	—
Expiry date	Apr 30, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH04L9/50
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

An example operation may include one or more of determining whether one or more password strings are related to a password, the password strings are transmitted from a user device, hashing the one or more password strings 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 an internal blockchain, determining whether the one or more password hash values match any external password hash values of an external password history chain stored in an external blockchain, and responsive to determining the one or more password hash values do not match any internal password hash value and any external password hash values, storing a new password in one or more of the internal blockchain and the external blockchain.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.