Article View: sci.crypt
Article #3682Re: Protecting TAC Access Via Radio
From: James M Galvin
Date: Wed, 05 Aug 1987 18:48
Date: Wed, 05 Aug 1987 18:48
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In article <2312@okstate.UUCP> ks@okstate.UUCP (Kurt F. Sauer) writes: >Create a hypothetical TAC access scheme where we have four primitives: >... >Presume, also, that all communications are tapped (i.e. over packet radio). >Does the following schema seem plausible? >... >Question: Do you believe this to be a reasonable way to proceed? My incli- > nation is to use DES functions...which seems to have suitable > properties for this sort of operation. Question: How do you propose to initially distribute the key encrypting keys to both the TAC and the user? All keys need a cryptoperiod, defined by time and number of uses. How do you propose to distribute new key encrypting keys? Jim -- James M Galvin
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!seismo!rutgers!princeton!udel!galvin From: galvin@udel.EDU (James M Galvin) Newsgroups: sci.crypt Subject: Re: Protecting TAC Access Via Radio Message-ID: <414@louie.udel.EDU> Date: Wed, 5-Aug-87 14:48:40 EDT Article-I.D.: louie.414 Posted: Wed Aug 5 14:48:40 1987 Date-Received: Sat, 8-Aug-87 03:41:03 EDT References: <2312@okstate.UUCP> Reply-To: galvin@udel.EDU (James M Galvin) Distribution: world Organization: University of Delaware Lines: 18