RS232 Crypto Dongle (idea for widely accessible crypto technology)

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

Yanek writes:
>Also, it would not require ANY special software on the host or the
>pc, nor any special terminal.  [A magical kingdom of compatibility is
>described.]

In practice, it will be impossible to make a device that does anything
transparently.  Software has to be rewritten and redesigned around
crypto security.  It is wise not to underestimate or overestimate the
difficulty of doing this.

Eric