Conversion between X509 certificates and gpg keys

Florian Weimer
Thu Feb 22 20:21:01 2001

Johan Wevers <> writes:

> I don't know much details from the public key certificates described in the
> X509 standard that most browsers support. Do they also use RSA and/or
> ElGamal?
I think you can use both.
> I'm asking because I would like to know if gpg keys can be uniquely
> converted to them and vice versa.
Yes, that's possible. However, due to the nature of this process, signatures on key material are not preserved which makes such conversions pretty meaningless.