HOW to upgrade: 2.0.22 --> 2.3.3 ???

[Mike Schleif]

Yes, that makes sense.

However, I do not know if I can use this keyring - in this state - to
encrypt files?

Also, how ought I cleanup these old, unused keys?

~ Mike


On Fri, Oct 4, 2024 at 2:23 AM Werner Koch <wk at gnupg.org> wrote:

> Hi!
>
> You should not update to a 3 years old devel version.  The current
> stable version is 2.4.5.
>
> > gpg: DBG: Oops: keyid_from_fingerprint: no pubkey; fpr:
> > 5d5ddc60954d5b06fa7b592ec45b70d9
>
> That is a PGP-2 key.  Support for them has been dropped in version 2.1.0
> (2014):
>
>  * gpg: All support for v3 (PGP 2) keys has been dropped.  All
>    signatures are now created as v4 signatures.  v3 keys will be
>    removed from the keyring.
>
>   See also https://gnupg.org/faq/whats-new-in-2.1.html
>
> If you still have data encrypted to such keys, you need to install GnuPG
> 1.4.
>
> In the wake of the Snowden revelation there was a heavy move to newer
> algorithms and thus PGP-2 was considered broken by some people.  In fact
> Google people heavily pledged for removing all support for PGP-2 for
> GnuPG.  Meanwhile I think this was the wrong decision - keeping PGP-2
> decryption capabilities would have been easier than all the extra code
> to skip PGP-2 keys in existing keyrings.  And of course the PGP-2
> encryption has not been broken - only signatures are vulnerable to the
> full MD5 hash algorithm attacks we know for 25 years.
>
>
>
> Shalom-Salam,
>
>    Werner
>
> --
> The pioneers of a warless world are the youth that
> refuse military service.             - A. Einstein
>


-- 

If ever I can be of service to you; contact me at once.
I wish for you a truly extraordinary day ...

-- 
Best Regards,

Mike Schleif
612-235-6060
https://mikeschleif.net
http://mdsresource.net
http://www.linkedin.com/in/schleif
http://facebook.com/MDSResource
http://twitter.com/mikeschleif
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.gnupg.org/pipermail/gnupg-users/attachments/20241004/726f1293/attachment.html>