Re: [PATCH net-next v3 02/17] zinc: introduce minimal cryptography library

[Jason A. Donenfeld]

On Fri, Sep 14, 2018 at 8:15 AM Ard Biesheuvel
<ard.biesheuvel@xxxxxxxxxx> wrote:
> OK, so given random.c's future dependency on Zinc (for ChaCha20), and
> the fact that Zinc is one monolithic piece of code, all versions of
> all algorithms will always be statically linked into the kernel
> proper. I'm not sure that is acceptable.

v4 already addresses that issue, actually. I'll post it shortly.

> BTW you haven't answered my question yet about what happens when the
> WireGuard protocol version changes: will we need a flag day and switch
> all deployments over at the same time?

No, that won't be necessary, necessarily. Peers are individually
versioned and the protocol is fairly flexible in this regard.