Editorial Positions
- Editor-in-chief, Journal of Cryptology, 2002-2010.
- Founding editor-in-chief, Springer book series in Information Security and Cryptography, 1999-2012.
- Associate editor, IEEE Transactions on Information Theory, 1991-1994 and 2011-2014.
- Associate editor, Journal on Computer and System Sciences (JCSS), since 2014.