US 5,825,891 A
Key management for network communicationGeneral
US 5,825,891 A
Key management for network communication
Tech Center:
3600 Transportation, Construction, Electronic Commerce, Agriculture, National Security and License and Review
Examiner:
Salvatore Cangialosi
Art Unit:
3642 Aeronautics, Agriculture, Fishing, Trapping, Vermin Destroying, Plant and Animal Husbandry, Weaponry, Nuclear Systems, and License and Review
Agent:
Inventors:
ROGER H. LEVESQUE; JEFFREY A. KRAEMER; ASHOK P. NADKARNI
Assignee:
Priority:
01/16/96
Filed:
10/29/97
Granted:
10/20/98
Expiration:
01/16/16
Abstract
The invention features a method for enabling computers to communicate using encrypted network packets. A configuration request is sent over a network from a first computer to a second computer, and tunnel record information is sent over the network from the second computer to the first computer. The tunnel record information is encrypted in accordance with a temporary configuration password. The invention also features a method for updating a tunnel record. A connection request is sent from a first computer to a second computer, and the first computer is authorized. A tunnel record corresponding to the connection request with the first computer's network address is then updated.