From: Nico Schottelius <nico.schottelius@ungleich.ch>
To: Matthias Urlichs <matthias@urlichs.de>
Cc: wireguard@lists.zx2c4.com
Subject: Re: How to verify a wireguard public key?
Date: Sat, 26 Dec 2020 09:09:56 +0100 [thread overview]
Message-ID: <875z4p56p7.fsf@ungleich.ch> (raw)
In-Reply-To: <dfec7de6-8f7d-4e89-4e90-3865aa6b7d04@urlichs.de>
Matthias Urlichs <matthias@urlichs.de> writes:
> On 25.12.20 00:42, Adam Stiles wrote:
>> "How do I validate Curve25519 public keys?"
>
> You send a handshake packet to the owner of the corresponding private
> key and observe whether it accepted it.
>
> The question is, why do you think you need a different/additional way
> of verifying the public key?
That answer is easy: if you add an incorrect key to your wgX.conf, wg
setconf will complain and not apply it. And if you are providing
automated VPNs... well, then this is something you do want to prevent.
Cheers,
Nico
--
Modern, affordable, Swiss Virtual Machines. Visit www.datacenterlight.ch
next prev parent reply other threads:[~2020-12-26 8:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-24 16:00 Nico Schottelius
2020-12-24 23:30 ` Jason A. Donenfeld
2020-12-24 23:42 ` Adam Stiles
2020-12-25 9:10 ` Nico Schottelius
2020-12-25 23:37 ` Matthias May
2020-12-25 23:47 ` Jason A. Donenfeld
2020-12-25 22:16 ` Matthias Urlichs
2020-12-26 8:09 ` Nico Schottelius [this message]
2020-12-26 9:03 ` Matthias Urlichs
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