Article View: sci.crypt
Article #2993Re: PGP 2.1 source posted to alt.sources
From: Perry E. Metzger
Date: Fri, 08 Jan 1993 17:37
Date: Fri, 08 Jan 1993 17:37
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vanzwol@bcstec.ca.boeing.com (Ted Van Zwol) writes: >In article <1993Jan7.115335.1216@cs.aukuni.ac.nz> pgut1@cs.aukuni.ac.nz (Peter Gutmann) writes: >>I have posted the PGP 2.1 sources to alt.sources - see the posting itself for >>more details (I assume everyone knows what PGP 2.1 is :-). > >This intrigues me. I'm not accusing you (Peter) of anything, but consider: > >How do we know the PGP sources on alt.sources (or even that on any FTP site >for that matter) are "safe". What kind of precautions or checks exist to >prevent bogus code from cropping up. Why couldn't some intelligence agency >get their hands on the code and weaken the encryption algorithm just enough >for them and then distribute the modified source to the rest of the world. Well, if you have an earlier version of PGP that you trust, someone can digtially sign the new version and you can trust it if the signature corresponds to someone you trust. Admittedly this does not solve the bootstrap problem, but then again nothing does. How do you know that ANYONE is trustworthy? How do you know your wife isn't poisoning you, for example? -- Perry Metzger pmetzger@shearson.com -- Laissez faire, laissez passer. Le monde va de lui meme.
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Newsgroups: sci.crypt,alt.security,alt.security.pgp Path: arc1-ca.pugleaf.net!sparky!uunet!shearson.com!snark!pmetzger From: pmetzger@snark.shearson.com (Perry E. Metzger) Subject: Re: PGP 2.1 source posted to alt.sources Message-ID: <1993Jan8.173731.25964@shearson.com> Sender: news@shearson.com (News) Organization: Partnership for an America Free Drug References: <1993Jan7.115335.1216@cs.aukuni.ac.nz> <C0IFAw.3vy@bcstec.ca.boeing.com> Date: Fri, 8 Jan 1993 17:37:31 GMT Lines: 25