Mohammed H. Almeshekah, Mikhail J. Atallah, Eugene H. Spafford. Back Channels Can Be Useful! - Layering Authentication Channels to Provide Covert Communication. In Bruce Christianson, James A. Malcolm, Frank Stajano, Jonathan Anderson, Joseph Bonneau, editors, Security Protocols XXI - 21st International Workshop, Cambridge, UK, March 19-20, 2013, Revised Selected Papers. Volume 8263 of Lecture Notes in Computer Science, pages 189-195, Springer, 2013. [doi]
Abstract is missing.