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|United States Patent||6,629,243|
|Kleinman , et al.||September 30, 2003|
A key distribution method for distributing, via a communications network, a key in a multicast communications system in which each one of a plurality of communications is directed to an associated multicast group including a plurality of recipients intended to receive the one communication. The method includes providing a plurality of implemented key distribution methods, dynamically choosing one implemented key distribution method of the plurality of key distribution methods, and distributing at least one key using the one implemented key distribution method. Related apparatus and methods are also provided.
|Inventors:||Kleinman; Amit (Jerusalem, IL), Kipnis; Shlomo (Jerusalem, IL)|
|Filed:||October 7, 1999|
|Oct 07, 1998 [IL]||126472|
|Current U.S. Class:||713/163 ; 380/278; 713/171|
|Current International Class:||H04L 29/06 (20060101); H04L 9/08 (20060101); A04L 009/08 ()|
|Field of Search:||713/163,171|
|5282249||January 1994||Cohen et al.|
|5481609||January 1996||Cohen et al.|
|5644768||July 1997||Periwal et al.|
|5720036||February 1998||Garfinkle et al.|
|5761500||June 1998||Gallant et al.|
D Maughan et al., "Internet Security Association and Key Management Protocol," Materials Collected From the World Wide Web, http://www.ietf.org/internet-drafts/draft-ietf-ipsec-isakmp-09.txt, Mar. 10, 1998, pp. 1-73. .
A. Aziz et al., "Simple Key-Management for Internet Protocols (SKIP)," Internet Memorandum, Jan. 27, 1998, pp. 1-20. .
R. Canetti et al., "A Taxonomy of Multicast Security Issues," IBM Research and the Weizmann Institute, Internet Memorandum, May 1998, pp. 1-12. .
H. Orman, "The Oakley Key Determination Protocol," University of Arizona, Dept. of Computer Science, Internet Memorandum, Sep. 10, 1997, http://ftp.ietf.org/internet-drafts/draft-ietf-ipsec-oakley-02.txt, pp. 1-41. .
P. Karn et al., "Photuris: Session-Key Management Protocol," Internet Memorandum, Nov. 1997, http://www.physnet.uni-hamburg.de/provos/photuris/ draft-simpson-photuris-current.txt, pp. 1-61. .
T. Hardjono et al., "A Framework for Group Key Management for Multicast Security," Bay Networks, Internet Memorandum, Jul. 1998, http://www.ietf.org/internet-drafts/draft-ietf-ipsec-gkmframework-00.txt, pp. 1-19. .
M. Handley et al., "SDP: Session Description Protocol," Network Working Group Memorandum, Apr. 1998, pp. 1-42. .
A. Aziz et al., "Skip Extensions for IP Multicast," Internet Memorandum, Feb. 23, 1998, http:/www.skip.org/spec/eipm.html, pp. 1-5. .
H. Harney et al., "Group Key Management Protocol (GKMP) Specification," Sparta, Inc. Internet Memorandum, Jul. 1997, http://andrew2.andrew.cmu.edu/rfc/rfc2093.html, pp. 1-20. .
H. Harney et al., "Group Key Management Protocol (GKMP) Architecture," Sparta, Inc. Internet Memorandum, Jul. 1997, http://andrew2.andrew.cmu.edu/rfc/rfc2094.html, pp. 1-18. .
A. Ballardie, "Scalable Multicast Key Distribution," University College, London, Internet Memorandum, Jun. 20, 1995, pp. 1-16. .
D. Harkins et al., "The Internet Key Exchange (IKE)," Cisco Systems, Internet Memorandum, Nov. 1998, http://www.ietf.org/rfc/rfc2409.txt, pp. 1-34. .
S. Mittra, "IOLUS: A Framework for Scalable Secure Multicasting," Proceedings of ACM SIGCOMM '97, Sep. 1997, pp. 1-12. .
H. Krawczyk, "SKEME: A Versatile Secure Key Exchange Mechanism for Internet," IEEE Proceedings of the 1996 Symposium on Network and Distributed Systems Security, Feb. 1996, pp. 114-127..