[Users] Error verifying signature - what is up?

[Ian Zimmerman]

I cannot verify the signature on a particular message.  The error blurb
is:

  The signature can't be checked - Invalid crypto engine

I do not understand MIME and PGP enough to know if the message is
misformatted, my claws is misconfigured or this is a bug.  I am able to
verify other signatures.  Here are the various mime things in the
message:

  In the headers:
    Content-Type: multipart/mixed; boundary="===============8362453850664368238=="

  In the body:
    Dies ist eine kryptografisch unterzeichnete Nachricht im MIME-Format.

    --===============8362453850664368238==
    Content-Type: multipart/signed; protocol="application/pkcs7-signature";
            micalg=sha1; boundary="------------ms060008030704070800000506"

    Dies ist eine kryptografisch unterzeichnete Nachricht im MIME-Format.

    --------------ms060008030704070800000506
    Content-Type: text/plain; charset=ISO-8859-15
    Content-Transfer-Encoding: quoted-printable

    [...snipped message content...]

    --------------ms060008030704070800000506
    Content-Type: application/pkcs7-signature; name="smime.p7s"
    Content-Transfer-Encoding: base64
    Content-Disposition: attachment; filename="smime.p7s"
    Content-Description: S/MIME Kryptografische Unterschrift

    [...snipped base64 garbage...]

     --------------ms060008030704070800000506--


    --===============8362453850664368238==
    Content-Type: text/plain; charset="us-ascii"
    MIME-Version: 1.0
    Content-Transfer-Encoding: 7bit
    Content-Disposition: inline

    ------------------------------------------------------------------------------
    Everyone hates slow websites. So do we.
    Make your web apps faster with AppDynamics
    Download AppDynamics Lite for free today:
    http://p.sf.net/sfu/appdyn_d2d_feb
    --===============8362453850664368238==
    Content-Type: text/plain; charset="us-ascii"
    MIME-Version: 1.0
    Content-Transfer-Encoding: 7bit
    Content-Disposition: inline

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    --===============8362453850664368238==--

   

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fingerprint: 66DC D68F 5C1B 4D71 2EE5  BD03 8A00 786C C6FF 61AD
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