Decrypting without designing?

[Nico Schottelius]

Was that the wrong list to ask the question?

If so, can someone redirect me to the right list?

Greetings,

Nico

Nico Schottelius [Thu, Sep 23, 2004 at 04:12:17PM +0200]:
> Hello!
> 
> I am programming an encrypted mailing list and want to use gpg
> directly.
> 
> Now I am a bit stuck, as I want only to decrypt a file, but not remove
> the signature. Is that somehow possible?
> 
> The background:
> 
> I have the following workplan for the part of the mailing list manager,
> which handles the mail:
> 
> --- ---  --- ---  --- ---  
>    1. Check if it is adressed to us. If not, bounce. [ok]
>    2. Check if the sender is subscribed. [ok]
>       no: Check if ml is open for everyone (open_list)
>          no: bounce
>          yes: add bfw: Sender_unknown
>    3. Check whether message is encrypted for us [ok]
>       no: bounce with bfw (BIG FAT WARNING)
>       yes: decrypt
>    4. subscribed only: Check whether sig is ok
>       no: bounce
>    5. Remove signature / Add own signature (really??) [???]
>    6. encrypt for each recipent and send
> --- ---  --- ---  --- ---  
> 
> Ponts 1-3 are problemsless. But when the message is decrypted,
> gpg -d also removes the signature. The ML software also checks
> whether the key used to sign fits to the address subscribed.
> 
> If I have an encrypted, but not signed message and I pipe it
> through "gpg -u "$PGPID" -q --no-verbose --batch -d" it
> returns 0 (as expected). The problem is, gpg returns the same,
> if I have an encrypted and signed message.
> 
> Can anyone give me a hint how to see the difference?
> 
> Sincerly,
> 
> Nico
> 
> P.S.: Here's how it looks like:
> 
> bruehe% cat mail.crypted.signed.ecml | SENDER=nico-confirmtest at schottelius.org ./ecml-manage ./testml/
> gpg-return: 0
> 
> bruehe% cat mail.only.crypted.not.signed | SENDER=nico-confirmtest at schottelius.org ./ecml-manage ./testml/
> gpg-return: 0
> 
> -- 
> Keep it simple & stupid, use what's available.
> Please use pgp encryption: 8D0E 27A4 is my id.
> http://nico.schotteli.us | http://linux.schottelius.org



> _______________________________________________
> Gnupg-users mailing list
> Gnupg-users at gnupg.org
> http://lists.gnupg.org/mailman/listinfo/gnupg-users


-- 
Keep it simple & stupid, use what's available.
Please use pgp encryption: 8D0E 27A4 is my id.
http://nico.schotteli.us | http://linux.schottelius.org
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 827 bytes
Desc: not available
Url : /pipermail/attachments/20040925/4fb88b9c/attachment.bin