Mark Vandenwauver, Frank Jorissen. Securing Internet Electronic Mail. In Bart Preneel, Vincent Rijmen, editors, State of the Art in Applied Cryptography, Course on Computer Security and Industrial Cryptography, Leuven, Belgium, June 3-6, 1997. Revised Lectures. Volume 1528 of Lecture Notes in Computer Science, pages 208-223, Springer, 1997. [doi]