Effective Secrecy: Reliability, Confusion and Stealth

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• Dr. Gerhard Kramer, Technische Universität München (TUM)
• Monday 20 January 2014, 11:00-12:00
• Department of Electrical and Electronic Engineering, Room 611.

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Effective secrecy is an information-theoretic security measure that includes strong secrecy and stealth communication. Effective secrecy is applied to the wire-tap channel and it is shown that the capacity region is the same as for strong secrecy. The converse follows by a new and simplified proof that uses a telescoping identity. The coding theorem is established by using a recent proof for obtaining resolvability limits. We develop an operational meaning for stealth by using binary hypothesis testing.

Bio: Gerhard Kramer is Alexander von Humboldt Professor and Head of the Institute for Communications Engineering at the Technische Universität München (TUM). He received the B.Sc. and M.Sc. degrees in electrical engineering from the University of Manitoba, Winnipeg, MB, Canada in 1991 and 1992, respectively, and the Dr. sc. techn. (Doktor der technischen Wissenschaften) degree from the ETH Z ürich, Switzerland, in 1998. From 1998 to 2000, he was with Endora Tech AG, Basel, Switzerland, as a communications engineering consultant. From 2000 to 2008 he was with the Math Center, Bell Labs, Alcatel-Lucent, Murray Hill, NJ, as a Member of Technical Staff. He joined the University of Southern California (USC), Los Angeles, CA, as a Professor of Electrical Engineering in 2009. He joined TUM in 2010.

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