Interesting error message on import

[David Shaw]

On Thu, Jun 22, 2006 at 04:41:32PM +0930, Alphax wrote:
> On importing a large number of keys from a keyring backup, I saw the
> message "gpg: assuming bad signature from key 0xE0BB4BCD due to an
> unknown critical bit" about a dozen times. Can anyone explain what this
> means, whether this is the correct behaviour, and if I should be worried
> about it?

It means that the signature has a subpacket on it that GPG doesn't
know about, but yet it is also tagged as critical.  In that case, GPG
can't really "understand" the signature (as it doesn't know what the
subpacket means).

David