[YLUG] Talk volunteers

Jan Tobias Muehlberg muehlber at fh-brandenburg.de
Wed Oct 4 15:08:45 BST 2006


Hi all,

in order to clean up with any missunderstandings we may have, I'm
going to reply to Al's PM to the list:

> Back to GPG again for a moment.  During the discussion on Arthur's GPG
> problems last week.  You both were using a file:
> ~/Desktop/signatures2.rtfd/TXT.rtf
> [...]
> In an attempt to improve my understanding of GPG I'd like to know what
> was done by Arthur and yourself.

No, I used different filenames. However, Arthur's TXT.rtf is the
manually extracted text message from an e-mail. However, the
suffix ".rtf" is missleading.

Consider the e-mail [1] I send to our list. This is a
multipart MIME message which has two different parts. One is the
text I wrote (starting at line 22: "Content-Type: text/plain;
charset=us-ascii"), the other one is the signature (line 61:
"Content-Type: application/pgp-signature"). You can manually
extract both parts [2,3] and store the text message as
"text.txt" and the signature as "sig.txt". Now something like

 $ gpg --verify sig.txt text.txt

will work.

 gpg: Signature made Fri 29 Sep 2006 14:33:00 BST using DSA key ID 5BC905EC
 gpg: Good signature from "Jan Tobias Muehlberg <muehlber at fh-brandenburg.de>"
 [...]

If it doesn't work it is definitely your web browser's or text
editor's fault.

Best,
J. Tobias


[1]: http://zeus.fh-brandenburg.de/~muehlber/gpg/mail.txt
[2]: http://zeus.fh-brandenburg.de/~muehlber/gpg/text.txt
[3]: http://zeus.fh-brandenburg.de/~muehlber/gpg/sig.txt

-- 
"It gets worse. I have, before now, waited for a pen to perform a macro."
                                  -- Terry Pratchett in alt.fan.pratchett
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