Size of main key...

arne renkema-padmos arne.renkema-padmos at
Sun Feb 23 23:09:54 CET 2014

On Sun, 2014-02-23 at 17:06 +0100, Hauke Laging wrote:
> Am So 23.02.2014, 16:54:46 schrieb Laurent Jumet:
> >     Is there a way to upgrade to a 2048 key without changing main key
> > KeyID: 0xCFAF704C ?
> There is no way of changing the key without a fingerprint change at all. 
> If there was one then the whole system would be dead. And even then it 
> would not work as expected by you.

While what you say is true, what you can do is create a key that has an
equal keyID to your previous one. See this page for some more details:

or just Google for something like "keyid collision gpg".


Arne Renkema-Padmos
Doctoral researcher
CASED, TU Darmstadt
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