BITS: a smartcard protected operating system
Paul Clark, Lance J. Hoffman · Communications of the ACM · 1994
A Smartcard Protected Operating SystemSecure processors u a t&nolo8 ojjti a grout deuljirr @,tAications that repire enhanced computer securig.In pwral, these processors contain not only computational capability, but memmy capacity as well [17].This selfcontainment makes secure processors resistant to attack, as thq need not dt@nd upon potentially vulnerable external resources.