[Enigmail] Unverified signature error

Ludwig Hügelschäfer mlisten at hammernoch.net
Wed Jul 15 09:14:01 PDT 2009


David wrote on 15.07.09 17:33:

> If you mean 'with Enigmail disabled' does it look like (this is mine) a
> signed message beginning with:
(...)
> No. It does not.
> 
> It looks like an ordinary email with this as an attachment:
> 
> signature.asc  and  Part 1.2
> 
> These attachments are also visible with Enigmail enabled.

So this is a PGP/MIME message with the signature as attachment. When you
look at the message source (ctrl-u), does it reveal lines looking like:

------------------
This is an OpenPGP/MIME signed message (RFC 2440 and 3156)
--===============1926377670==
Content-Type: multipart/signed; micalg=pgp-sha512;
	protocol="application/pgp-signature";
	boundary="------------enigC100EE2EE293DC8AA2009066"

------------------

The detail: micalg=pgp-sha512 is important. Without it, enigmail/gpg
does not know which signing algorithm is to be used, defaults to MD5 and
complains about the wrong format.

Ludwig

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Name: signature.asc
Type: application/pgp-signature
Size: 550 bytes
Desc: OpenPGP digital signature
URL: <http://www.mozdev.org/pipermail/enigmail/attachments/20090715/91219c60/attachment.bin>


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