Yvo Desmedt, Shuang Hou, Jean-Jacques Quisquater. Audio and Optical Cryptography. In Kazuo Ohta, Dingyi Pei, editors, Advances in Cryptology - ASIACRYPT 98, International Conference on the Theory and Applications of Cryptology and Information Security, Beijing, China, October 18-22, 1998, Proceedings. Volume 1514 of Lecture Notes in Computer Science, pages 392-404, Springer, 1998.
Abstract is missing.