Patent · US Active

Method and apparatus for encrypted communications using IPsec keys

US8059817B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

MOTOROLA SOLUTIONS, INC. · US

Inventors

Chris A. Kruegel · Plainfield, US
Michael W. Bright · Arlington Heights, US
Dipendra M. Chowdhary · Hoffman Estates, US
Thomas J. Senese · Schaumburg, US
Timothy G. Woodward · Tempe, US
LARRY MURRILL · Schaumburg, US

Key dates

Filing date	Jun 19, 2007
Grant date	Nov 15, 2011
Priority date	—
Expiry date	Jan 23, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2463/061
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Disclosed is a method for encrypted communications. A first IPsec endpoint selects a security association (SA) from a security association database (SAD) by using a selector and then extracts an indexing parameter from SA. The indexing parameter is used to determine an active key location from a key storage database (KSD). Data packets are then encrypted using a key from the active key location. The first IPsec endpoint also forms a security parameter index (SPI) in a header of the data packet by using a keyID from the active key location and transmits the encrypted data packet with the header indicating the SPI to a second IPsec endpoint.

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