Patent · US Active

Network encryption key rotation

US8989379B2 · kind B2 · utility

44Cited by

73References

20Claims

0Family size

Assignee

QUALCOMM Incorporated · US

Inventors

Srinivas Katar · Gainesville, US
Lawrence W. Yonge, III · Summerfield, US
Manjunath Anandarama Krishnam · Gainesville, US

Key dates

Filing date	Jan 9, 2008
Grant date	Mar 24, 2015
Priority date	—
Expiry date	Jul 15, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04L12/44
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Systems and methods for authenticating key rotation communications. Key rotation communications can include a key counter known to both a headend device and a station. Comparison between a local key counter and the key counter included in the key rotation communication can be used to authenticate the key rotation communication.

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