Series of minor questions about OpenPGP 1

David Shaw dshaw at
Wed Jan 28 15:15:36 CET 2009

On Jan 28, 2009, at 6:05 AM, Peter Thomas wrote:

> Hi.
> I've just made some tests. And it showed that anybody can change the
> paket header from old to new for any key (even without the secret
> key).
> Of course I've expected this, but is this the case for all signature
> types, that gnupg doesn't include the paket header in the signing but
> just the body?

That is correct.  The packet header is not relevant to the contents.   
You can change the packet header from old style to new style, or  
change the length representation at will.


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