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busfahrer
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Joined: 18 Sep 2004
Posts: 57
Location: Germany

PostPosted: Sun Nov 21, 2004 3:00 pm    Post subject: Question on GPG Reply with quote

Hi,

I'm beginning to use GPG, and I was wondering this:
When, for example, verifying kernel sources from kernel.org with their public key, I get the following warning:

Code:

gpg: Signature made Mon Nov 15 03:20:41 2004 CET using DSA key ID 517D0F0E
gpg: Good signature from "Linux Kernel Archives Verification Key <ftpadmin@kernel.org>"
gpg: WARNING: This key is not certified with a trusted signature!
gpg:          There is no indication that the signature belongs to the owner.
Primary key fingerprint: C75D C40A 11D7 AF88 9981  ED5B C86B A06A 517D 0F0E


Did I understand it correctly that the only way to (properly) get rid of this warning was to meet the person in real life, verify their fingerprint, and then back at home, sign their key in gpg as trusted?

Greetings, Chris
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JPMRaptor
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Joined: 04 Oct 2002
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PostPosted: Sun Nov 21, 2004 4:15 pm    Post subject: Reply with quote

You can decide to trust any key you want to. No meeting in person is required. What you realistically want to do is verify through a few separate sources that the fingerprint for the key is correct.
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busfahrer
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PostPosted: Sun Nov 21, 2004 8:51 pm    Post subject: Reply with quote

JPMRaptor wrote:
You can decide to trust any key you want to. No meeting in person is required. What you realistically want to do is verify through a few separate sources that the fingerprint for the key is correct.


Yes, that's what I meant. Thanks for your answer. :)
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sschlueter
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Joined: 26 Jul 2002
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PostPosted: Mon Nov 22, 2004 3:10 am    Post subject: Re: Question on GPG Reply with quote

busfahrer wrote:
Did I understand it correctly that the only way to (properly) get rid of this warning was to meet the person in real life, verify their fingerprint, and then back at home, sign their key in gpg as trusted?


There can also be one or more "intermediate" persons. Google keywords: "web of trust".

http://www.rubin.ch/pgp/weboftrust.de.html in german
http://www.rubin.ch/pgp/weboftrust.en.html in english
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busfahrer
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Joined: 18 Sep 2004
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PostPosted: Mon Nov 22, 2004 10:43 am    Post subject: Reply with quote

Thanks.

For everyone looking for similar information: The www.gnupg.org site has some very informative guides and HOWTOs.
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