Crypto anarchy in a VW? (not the bug)

[Eric Hughes <hughes@soda.berkeley.edu>]

>>  You can't do hard
>> disk encryption in software on the host CPU.  

>Well thanks for the advice, but you fergot to mention why...

Performance.  Look at how long it take to do encryption via software
and how long by hardware.  Consider that a Unix box can do other
processor tasks while the disk is stepping.

Re: EPROM as key

A fragile device makes privacy for hackers only.  General privacy will
require something significantly more physically robust.

Eric