Patent · US Active

Single-round password-based key exchange protocols

US8681986B2 · kind B2 · utility

10Cited by

6References

19Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Charanjit Singh Jutla · New York, US
Arnab Roy · Chandler, US

Key dates

Filing date	May 25, 2011
Grant date	Mar 25, 2014
Priority date	—
Expiry date	Feb 9, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH04L9/3218
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method for initializing encrypted communications using a common reference string and a shared password, includes determining a secret key of a peer using a first message, a second message and the common reference string, wherein the first message and the second message each comprise a tuple of elements of a cyclic group G of prime order p, a blinding encryption of the shared password, and a hash projection key.

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