>>>Under
non-network environment, I think that the encryption is not a >>>necessary
part of operating system! If os can provide perfect access >>>control
mechanism, confidential data will be protected from
compromise. I doubt! There are tools like ‘John
the Ripper’ and similar ones that can gain the ‘root’ access
on the file system. So in the non-network environment if a normal user logs in to
the system, he can destroy it using such tools. And practically a Linux Box without a network
is a *dream* J Best Regards, Gurpreet Singh Sachdeva |