Article View: sci.crypt
Article #1093A One-Time Way to Thwart Key Registration...
From: W.A.Simon
Date: Thu, 05 Nov 1992 13:29
Date: Thu, 05 Nov 1992 13:29
27 lines
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1301 bytes
In <pcw.720808942@access.digex.com>
pcw@access.digex.com (Peter Wayner)
sneaks one on the Feds:
> [ ... ]
> Actually, my favorite solution to this criminal problem is to use
> a one-time pad. Then it is possible to come up with two keys. One
> that decrypts the conversation into a benign one and one that decrypts
> it into the real message.
> [ ... ]
> So the criminals send key #1 to their cohorts and register
> key # 2 with the Federal Key Exchange Registry. When
> the cops bug the line all they hear about is the stories
> about their trip to Hershey PA.
> [ ... ]
the Braid allows any number of messages to be hidden within
the ciphertext. A convenient choice of key will allow to
decode any one of them while leaving all others encrypted.
Of course, this presupposes that one accepts the Braid as
a valid method of encryption... -{smiley}-
--
Alain
[ ... usual disclaimer... ]
Technical Details
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arc1-ca.pugleaf.net!sparky!uunet!utcsri!newsflash.concordia.ca!sifon!thunder.mcrcim.mcgill.edu!sobeco!zap!unimtl!elevia!alainReferences:
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Path: arc1-ca.pugleaf.net!sparky!uunet!utcsri!newsflash.concordia.ca!sifon!thunder.mcrcim.mcgill.edu!sobeco!zap!unimtl!elevia!alain From: alain@elevia.uniforum.qc.ca (W.A.Simon) Newsgroups: sci.crypt Subject: A One-Time Way to Thwart Key Registration... Message-ID: <14059@elevia.uniforum.qc.ca> References: <pcw.720808942@access.digex.com> Date: 05 Nov 92 08:29:16 EST Lines: 27