GnuPG and PGP 5.0 compatibility problem

Stefan Oltmanns stefan-oltmanns at
Fri Jul 27 00:40:43 CEST 2007

Werner Koch schrieb:
> On Tue, 17 Jul 2007 18:45, stefan-oltmanns at said:
> Keyflags are required for RSA and are in general a very good idea.  If
> you want to get rid of them, you need to patch gpg.  Point your editor
> to g10/keygen.c and search for the function do_add_key_flags.  Comment
> out the last line and compile again.  Then you need to update the
> self-signatures of your key: Setting the primary flag or changing the
> expire time will do the trick.

I patched gpg and was able to create several keys without key flags (and 
PGP 5 accepted all of them), but I wasn´t able to remove them from my 
key, I changed the expire time several times, but no luck.

Any ideas?


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