alex russell alexnetwindowsorg thursday 19 september 2002 1644 michael mckay wrote tue sep 03 2002 090340pm 0400 yannick gingras wrote make wonder relative protection smart cards internal procession unit around 4mhz consider trusted hardware smartcards fixed clock rates often iso spec dictates externally powered clocked smartcards used security purposes usually javacards builtin crypto coprocessors make clock rate irrelevant 4mhz smartcards often preform tripledes faster general purpose processors clocked ten times speed said clock rate nothing trustworthy card michael pointed theres something armsrace manufacturers attackers nothing clock rate time time weve seen question secure question secure long security rarely question absolutes despite often boolean nature break rather question assessing quantifying managing risk smartcards designed address threats cost protection exceed 120 range depending application whether trusted hardware question revolves around attacker timeframe one might expect bored undergrad ee student trouble revealing contents pilfered smartcard say governtment intelligence service goal keep undergrad ees perpetrating mass fraud caffeteria smartcard likely trustworthy enough application aim protect icbm launch codes probably wrong tool either application riskcost ratio must justify use protection measure question alex russell alexsecurepipecom alexnetwindowsorg thu 19 sep 2002 195655 0500 secure sofware key