[Enigmail] Sender under duress

John Clizbe John at Mozilla-Enigmail.org
Sat Oct 4 17:58:09 PDT 2008


Eitan Adler wrote:
> Cryptographic signatures are generally not meant to verify the honesty
> of the sender.  They can only be used reliably to verify that a specific
>  person sent a message.  

I think you're layering too much meaning onto a cryptographic signature.

All you can be reliably certain of, if the signature verifies, was that it was
made with a given key and that the message was not altered in transit.

The duress hypothesis of this thread is a perfect example that a signature does
not guarantee that the keyholder is actually in control of the key.

-- 
John P. Clizbe                      Inet:John (a) Mozilla-Enigmail.org
You can't spell fiasco without SCO. hkp://keyserver.gingerbear.net  or
     mailto:pgp-public-keys at gingerbear.net?subject=HELP

Q:"Just how do the residents of Haiku, Hawai'i hold conversations?"
A:"An odd melody / island voices on the winds / surplus of vowels"

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