[1.4.0] hidden recipient vs. ID 00000000

[Florian Weimer]

* David Shaw:

>> IMHO, RFC 2440bis should even outlaw generation of keys which such
>> key IDs.
>
> I understand the desire to outlaw all-0 keys, but why would you outlaw
> all-1 keys?  (or did you just mean all-0?)

I did mean all-0.