smart card

http://home.hkstar.com/~alanchan/papers/smartCardSecurity/index.html
http://www.rsasecurity.com/
http://www.cl.cam.ac.uk/users/rja14/tamper.html
http://www.tvro.com.tw/main5/maindate/web%20bbs/
fox%20in%20bbs%202%20smart_card_emulation__smart_card.htm
http://www.cryptography.com/company/Paul-Kocher.html
http://www.csie.ncu.edu.tw/~yensm/lcis.html