[Gpg4win-users-en] Error when decrypting a file with kleopatra

Fabian Nick fabian.nick at scai.fraunhofer.de
Wed Feb 19 10:13:08 CET 2014


thanks for the tip! 
The image can be found here: http://postimg.org/image/891i5a48n/

Regarding your suggestions:

a) I've already opened the public key file he sent us and it looks ok.
Opening the encrypted file we sent back to him just reveals some binary nonsense.
b) I cannot decrypt the file since I don't have his private key... ;-)

Maybe the screenshot can clarify things a little?


----- Original Message -----
> From: "Bernhard Reiter" <bernhard at intevation.de>
> To: gpg4win-users-en at wald.intevation.org
> Sent: Wednesday, 19 February, 2014 10:05:00 AM
> Subject: Re: [Gpg4win-users-en] Error when decrypting a file with kleopatra
> Hi Fabian,
> On Wednesday 19 February 2014 at 09:54:13, Fabian Nick wrote:
> > (I'm sending this e-mail a second time now since my first attempt
> > from
> > yesterday morning should have been "moderated" since it had an
> > attachment,
> we get lots of spam, so usually it is a good idea to send small
> emails when you are subscribed and use a link to a different site
> if you really must refer to large attachments.
> Typing in the message often is the better way, because other people
> can search for it later. :)
> > We encrypted a file with the key he sent us and sent the file back
> > to him.
> > When he tries to decrypt the file (with kleopatra according to the
> > screenshot he sent us), he sees the following error message:
> >
> > "Could not determine whether this is an S/MIME or an OpenPGP
> > signature -
> > maybe it is not a signature at all?"
> >
> > This seems wierd to me since we shouldn't be dealing with a
> > signature
> > here?! However the dialog box in the screenshot is titled
> > "Decrypt/Verify
> > Files" - that doesn't seem to be that wrong at all?!
> There are files that are combined encrypted and signed,
> thus GnuPG looks for both. The message basically should mean that it
> has not
> encountered a OpenPGP structure.
> > I'd be glad if someone good bring some light into this, since I
> > usually
> > work on the command line and haven't used kleopatra that often
> > yet...
> My recommendation for further analysis is:
> a) try to open the file in question with an editor (or a safe unzip
> command
> or "file" on GNU/Linux) to see what it may be.
> b) Try the decryption on the command line (as you revealed that you
> could use
> it), e.g. gpg2 -vvv -d
> Best,
> Bernhard
> --
> www.intevation.de/~bernhard (CEO)    www.fsfe.org (Founding GA
> Member)
> Intevation GmbH, Osnabrück, Germany; Amtsgericht Osnabrück, HRB 18998
> Owned and run by Frank Koormann, Bernhard Reiter, Dr. Jan-Oliver
> Wagner
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