Dimitrios N. Serpanos Richard J. Lipton Defense Against Man-in-the-Middle Attack in Client-Server Systems. 9-14 http://csdl.computer.org/comp/proceedings/iscc/2001/1177/00/11770009abs.htm 2001 conf/iscc/2001 ISCC db/conf/iscc/iscc2001.html#SerpanosL01