Reine Lundin, Stefan Lindskog, Anna Brunstrom, Simone Fischer-Hübner. Using Guesswork as a Measure for Confidentiality of Selectively Encrypted Messages. In Dieter Gollmann, Fabio Massacci, Artsiom Yautsiukhin, editors, Quality of Protection - Security Measurements and Metrics. Volume 23 of Advances in Information Security, pages 173-184, Springer, 2006. [doi]
Abstract is missing.