Yukiyasu Tsunoo Teruo Saito Tomoyasu Suzaki Maki Shigeri Hiroshi Miyauchi Cryptanalysis of DES Implemented on Computers with Cache. 62-76 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2779&spage=62 2003 conf/ches/2003 CHES db/conf/ches/ches2003.html#TsunooSSSM03