From: Karl Lui Barrus <klbarrus@owlnet.rice.edu>
Date: Mon, 19 Sep 94 14:18:02 PDT
To: lile@art.net (Lile Elam)
Subject: Re: art encryption...
In-Reply-To: <199409190711.AAA15172@art.net>
Message-ID: <9409192117.AA13098@snowy.owlnet.rice.edu>
MIME-Version: 1.0
Content-Type: text/plain


Lile Elam wrote:
> So, I have been thinking that a way an artist can insure a viewer that
> the art they are viewing is really that of the artist, the artist can
> *sign* their art with their private key and others can check it with
> their public key.  Now, the art would be factered into the key
> generated that others would check with the public key.
...
> But it would be interesting to find if you think this is possible.

Maybe I'm missing something, but why can't you just use the detached
signature option of pgp?  "pgp -sb file" will created a signature file
that is seperate from the document (named file.asc by default, I'm
pretty sure); later, the file and your public key can be used to
verify the signature!

-- 
Karl L. Barrus: klbarrus@owlnet.rice.edu         
2.3: 5AD633;   D1 59 9D 48 72 E9 19 D5  3D F3 93 7E 81 B5 CC 32 
2.6: 088C8F21; 97 73 9E 8B 98 3E DD B5  E8 97 64 7E 20 95 60 D9
"One man's mnemonic is another man's cryptography" - K. Cooper