[14798] in Cypherpunks
Re: Black Eye for NSA, NIST, and Denning
daemon@ATHENA.MIT.EDU (Paul Robichaux)
Mon Jun 6 11:06:28 1994
From: paul@poboy.b17c.ingr.com (Paul Robichaux)
To: perry@imsi.com
Date: Mon, 6 Jun 94 10:01:00 CDT
Cc: hfinney@shell.portal.com, cypherpunks@toad.com
Reply-To: perobich@ingr.com
In-Reply-To: <9406061157.AA08012@snark.imsi.com>; from "Perry E. Metzger" at Jun 6, 94 7:57 am
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Perry said:
> Clipper, Capstone, Tessera, etc, are, to my knowledge, interoperable
> implementations of the EES.
MYK-78 (or Clipper, not to be confused with the C400 Clipper in my
desktop machine) provides Skipjack encryption. Note that it does not
include any type of key exchange; the equipment designer is in charge
of that.
Capstone provides Skipjack encryption, plus DSS and SHA-based
signatures and D-H key exchange. The encryption is of course
interoperable with MYK-78 units, but I would guess that a
Capstone-based unit would need key-exchange code for each individual
class of MYK-78 device.
Tessera is Capstone packaged on a PCMCIA card for use with PCs and
computers. NSA and DoD intend Tessera cards to be issued to
individuals as authentication and encryption tokens. _Network World_
reported in February that the initial Tessera beta testing would
include ~300 general officers from the US armed forces. Plus Matt
Blaze :)
- -Paul
- --
Paul Robichaux, KD4JZG | Out the 10Base-T port, through the router,
perobich@ingr.com | over the leased line, off the bridge, past
Intergraph Federal Systems | the firewall... nothing but net.
Of course I don't speak for Intergraph.
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