Academic Visits
3. Centre for Applied Cryptographic Research, University of Waterloo, Canada, February 1, 2005 to August 31, 2006.
2. Department of Information Technology, Lund University, Sweden, April 15, 2004 -- July 3, 2004 .
1. Centre for Applied Cryptographic Research, University of Waterloo, Canada, August 10, 2001 to October 2, 2001.