Kent, Stephen

RFCs Publications

BBN Technologies
10 Moulton Street
Cambridge, MA 02138
Voice:+1 617 873 3988
Email: Kent@BBN.Com

RFC 1336:

Stephen Kent is the Chief Scientist of BBN Communications, a division of Bolt Beranek and Newman Inc., where he has been enganged in network security research and development activities for over a decade. His work has included the design and development of user authentication and access control systems, end-to-end encryption and access control systems for packet networks, performance analysis of security mechanisms, and the design of secure transport layer and electronic message protocols.

Dr. Kent is the chair of the Internet Privacy and Security Research Group and a member of the Internet Activities Board. He served on the Secure Systems Study Committee of the National Academy of Sciences and is a member of the National Research Council assessment panel for the NIST National Computer Systems Laboratory. He was a charter member of the board of directors of the International Association for Cryptologic Research. Dr. Kent is the author of a book chapter and numerous technical papers on packet network security and has served as a referee, panelist and session chair for a number of security related conferences. He has lectured on the topic of network security on behalf of government agencies, universities and private companies throughout the United States, Western Europe and Australia. Dr. Kent received the B.S. degree in mathematics from Loyola University of New Orleans, and the S.M., E.E., and Ph.D. degrees in computer science from the Massachusetts Institute of Technology. He is a member of the ACM and Sigma Xi and appears in Who's Who in the Northeast and Who's Who of Emerging Leaders.

Chair, pem, Privacy-Enhanced Electronic Mail. IETF working group, Security area. Concluded February 1996.

Chair, pkix, Public-Key Infrastructure (X.509). IETF working group, Security area.


[RFC 1108] U.S. Department of Defense Security Options for the Internet Protocol.

[RFC 1114] Privacy Enhancement for Internet Electronic Mail: Part II -- Certificate-Based Key Management.

[RFC 1422] Privacy Enhancement for Internet Electronic Mail: Part II: Certificate-Based Key Management.

[RFC 1430] A Strategic Plan for Deploying an Internet X.500 Directory Service.

[RFC 2401] Security Architecture for the Internet Protocol.

[RFC 2402] IP Authentication Header.

[RFC 2406] IP Encapsulating Security Payload (ESP).

[RFC 2410] The NULL Encryption Algorithm and Its Use With IPsec.

[RFC 3779] X.509 Extensions for IP Addresses and AS Identifiers.

[RFC 4301] Security Architecture for the Internet Protocol.

[RFC 4302] IP Authentication Header.

[RFC 4303] IP Encapsulating Security Payload (ESP).

[RFC 4304] Extended Sequence Number (ESN) Addendum to IPsec Domain of Interpretation (DOI) for Internet Security Association and Key Management Protocol (ISAKMP).


Kent, Stephen; Lynn, Charles, Jr.; Mikkelsen, Jan; Seo, Karen.
Secure Border Gateway Protocol (S-BGP).
February 2000. Proceedings of ISOC Network and Distributed Systems Security Symposium, Internet Society, Reston, VA.

Kent, Stephen; Lynn, Charles, Jr.; Seo, Karen.
Secure Border Gateway Protocol (Secure-BGP).
April 2000. IEEE Journal on Selected Areas in Communications Vol. 18, No. 4, pages 582 - 592.

RFCs Publications