How to handle multipart messages (RFC 2440) and verify them with GnuPG?

[Thomas Zangl - Home]

On Mon, 17 Jan 2005 18:22:43 +0100, "Werner Koch" <wk at gnupg.org> wrote:

>2015 and 3156 do have such an example.  Your code only contains
>another MIME container as signed part but that does'nt change anything
>for your parser.  Recall that you need to keep track of the different
>boundaries; either by ignoring inner ones or by stacking them up.

Thank your for the example. I tried it but it does not work :-/
(I might remember that I already tried this because of an idea in the
RFCs mentioned above).
 
Here are the 2 files with which I play around:

http://intern.tzi.dhs.org/test.sig
http://intern.tzi.dhs.org/test.eml

Command line for testing:
gpg --verify D:\test.sig D:\test.eml

(I always get: "gpg: BAD signature from ..")

>gnupg 1.9 has an uncompleted tools/gpgparsemail.c which shows how to
>parse MIME encrypted or signed messages. 

I will look at it.

Thank you anyway :)
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