[Enigmail] Setting trust levels for unknown keys

John W. Moore III jmoore3rd at bellsouth.net
Wed Apr 29 15:58:53 PDT 2009


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Daniel Kahn Gillmor wrote:

> Just because I've met "Eve L. Hacker" in person and verified her
> identity does *not* mean that i trust her to properly identify other people.
> 
> Please do not blindly designate ownertrust simply because you've met
> someone face-to-face.  We've all met malicious and/or incompetent people
> face-to-face.  It's good to know who the person is ("calculated
> validity"), but you should need to know something about their skills,
> their presence of mind, their ethical code, and their resistance to
> shenanigans in general to decide to trust their certifications
> ("ownertrust").

This is why during the making of a Trust Signature [tsign] You are asked
both Questions:

1.) How carefully have You verified the ownership of this Key?
2.) How much do You trust this Key owner to properly verify the Keys
They Sign?

then comes Question 3:

What Level/Depth of Trust do You wish to assign to this signature.

When viewing a Trust Signature on a Key it is apparent how the Questions
were answered.  Whether the verification was performed face-to-face or
whether a more casual method was used.  [1st integer displayed] and the
the 2nd integer indicates the Depth of Trust.

Of course, this assumes that everyone is using the same numerical
equivalence scale.  :-\

GnuPG allows the use of 5 different Trust Models and can supply much
information within a closed system of understanding but there is no
Universal acceptance regarding what each bit of information means.

JOHN ;)
Timestamp: Wednesday 29 Apr 2009, 18:58  --400 (Eastern Daylight Time)
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Version: GnuPG v1.4.10-svn4987: (MingW32)
Comment: Public Key at:  http://tinyurl.com/8cpho
Comment: Gossamer Spider Web of Trust: https://www.gswot.org
Comment: Homepage:  http://tinyurl.com/yzhbhx

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=qqIg
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