Obama's secure PDA

ian.farquhar at rsa.com ian.farquhar at rsa.com
Wed Jan 28 18:49:29 EST 2009


Perry wrote:
pgut001 at cs.auckland.ac.nz (Peter Gutmann) writes:
>> I wonder what a "classified USB cable" is.  Perhaps it's an
unclassified USB
>> cable with the little three-prong USB logo blacked out by the
censors.

> I would imagine it is a tempest shielded cable, and appropriately
> altered connectors.

It would definitely be shielded, but I doubt it's TEMPEST qualified at
that price point.

I suspect it's just a USB cable with a keyed connector, to enforce
red/black sep in this somewhat atypical environment (eg. section
5.4.6.1.1.2 of MIL-HDBK-232A)

Ian.

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