2001

Group Key Agreement: Theory and Practice, Yongdae's Defense Slides, Dec. 2001, ppt

IFIP SEC, June 2001, pdf

2000

Group Key Agreement, Yongdae's Thesis Proposal, December 2000, pdf
ACM CCS, November 2000, pdf

1999

Invited Talk, UCLA Graduate Colloqium, December 1999, pdf
1998-1999 DARPA Project Quad Chart, July 1999,  pdf 
IRTF SMUG meeting, Oslo, Norway, July 1999 pdf
DARPA HCN Workshop, San Diego, CA, April 1999, pdf
Invited talk, UC Irvine, Irvine, CA, April 1999,  pdf
IRTF SMUG meeting, Minneapolis, MN, March 1999, pdf
Yair Amir, NSA Lucite Workshop, January 1999,  pdf

1998

1997-1998 DARPA Project Quad Chart, July 1998,  pdf
Crypto'99 RUMP session presentation, Santa Barbara, CA, August 1998, pdf
DARPA HCN Workshop, Rock Port, MA, June 1998, pdf
Poster at DARPA PI Meeting, Tucson, AZ, March 1998, pdf

1997

DARPA HCN Workshop, Washington, July 1997, pdf