Paul Wouters <[email protected]> wrote:
    > It's entertaining to see WireGuard go through the same. Certificates
    > are too complex and annoying, lets only support raw keys. We tried that
    > 25 years ago :)

"Entertaining" is definitely a word.
As if the ESP part of security was ever the problem.

    > And the other issue is that if you want to use a certificate for IKE
    > and TLS (eg an SSL VPN), then you have two PKIX profiles that might
    > actually have contractory constrains or requirements.

Exactly.

    > Additionally,
    > whether you like it or not such a combined certificate will be forced
    > to comply to CAB/forum. As an expale, loading your LetsEncrypt
    > certificate into IKE to use it for SSL-VPN and IPsec VPNs.

I think that it should be possible to use LE certificate as part of a
pinned-down certificate for IKE.  It's way better than PSK.

    > I think actual deployment, and what is specified in RFCs, at least in
    > RFC 4945, has diverted quite a bit. I think 4945 needs to be updated.
    > But that update would almost have to be "TLS compliant", so it
    > basically comes down to "ignore all the 4945 stuff".

I would go for replacing 4945.

--
Michael Richardson <[email protected]>, Sandelman Software Works
 -= IPv6 IoT consulting =-

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