On 01/17/2014 02:03 PM, Johannes Zarl wrote:
> If the revocation is a final act, as long as I can make sure that the 
> revocation certificate reaches my communication partners I can be sure that 
> nobody can compromise the key and "reenable" it and start impersonating me.
> 
> If, however, the revocation is only a temporary act until a newer self-
> signature supersedes it, it would be almost impossible to effectively and 
> permanently revoke a key. One would either (as long as the private key is not 
> yet compromised) have to destroy the private key, or make sure that all 
> communication partners somehow prevent the key from receiving further 
> updates...


I think you're conflating revocation of the primary key with revocation
of a user ID.

Revocation of a primary key is permanent and cannot be overridden.
Revocation of a user ID can be overridden as long as the primary key
(the one making the certification) is not itself revoked.

        --dkg

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