Unknown key type

[Matthias Apitz]

El día lunes, mayo 22, 2017 a las 02:06:56p. m. -0400, Brian Minton escribió:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
> 
> On Mon, May 22, 2017 at 12:07 PM, David Vallier <timemaster at sillydog.org>
> wrote:
> >  Can someone please explain why I am getting a yellow bar on  a LOT of
> >  signed msgs saying that the key type is unknown??
> >
> >  the exact msg is "Part of the message signed with unknown key; the key
> >  type is not supported by your version of GnuPG"
> >
> >  I am running GnuPG 2.0.30 (Gpg4Win 2.3.3) on a win 7 box.
> 
> 
> If I had to guess, Id say the sender of those messages is using ECC keys.
>  They are only supported in GnuPG 2.1.  In fact, Im using such a key to
> sign this message (but my key also has a DSA subkey, so gpg 2.0 should
> still verify the signature). So, you may see the warning on this message.
> -----BEGIN PGP SIGNATURE-----
> 
> iHUEARYIAB0WIQTu0BWAE9wubW4AHqQ3uVB6z/IBbgUCWSMoqQAKCRA3uVB6z/IB
> bphCAQDgR8N3EWlJX5sfzfXCVHFi3rWpXfinGtRbl8tlVxEm8AEA7gwKWQ5f3Z5s
> F20WPXhNIxnHF+UnIY4T829pSim4TQiIdQQBEQgAHRYhBPnEu3YOeD8N7BCmimuO
> s6Blz7qpBQJZIyipAAoJEGuOs6Blz7qpeN0A/R8IwSrOQreTFVB4gga79xz6XIKA
> MdBvmMhXY8LSuUhNAP0Z8bv/rQWSOtf7dGPTEDYPKRCs1kYguHULVlhs/Bcc3Q==
> =MOy5
> -----END PGP SIGNATURE-----

piping the above mail to gpg2 (2.1.19) gives:

If I had to guess, Id say the sender of those messages is using ECC keys.
 They are only supported in GnuPG 2.1.  In fact, Im using such a key to
sign this message (but my key also has a DSA subkey, so gpg 2.0 should
still verify the signature). So, you may see the warning on this message.
gpg: Signature made Mon May 22 20:06:33 2017 CEST
gpg:                using EDDSA key EED0158013DC2E6D6E001EA437B9507ACFF2016E
gpg: Can't check signature: No public key
gpg: Signature made Mon May 22 20:06:33 2017 CEST
gpg:                using DSA key F9C4BB760E783F0DEC10A68A6B8EB3A065CFBAA9
gpg: Can't check signature: No public key

	matthias

-- 
Matthias Apitz, ✉ guru at unixarea.de, ⌂ http://www.unixarea.de/  ☎ +49-176-38902045
Public GnuPG key: http://www.unixarea.de/key.pub
8. Mai 1945: Wer nicht feiert hat den Krieg verloren.
8 de mayo de 1945: Quien no festeja perdió la Guerra.
May 8, 1945: Who does not celebrate lost the War.
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