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From: Jeffrey Walton <noloader@gmail.com>
To: peter garner <peter@petergarner.net>
Cc: wireguard@lists.zx2c4.com
Subject: Re: Using OneRNG hardware RNG can I get wireguard to use /dev/random
Date: Fri, 24 Jul 2020 04:32:32 -0400	[thread overview]
Message-ID: <CAH8yC8nCwwx8h8HmTGhsh10Dm4ThQTc=53ESfO=6iAXx4XvqmQ@mail.gmail.com> (raw)
In-Reply-To: <20200721155826.29f29036.peter@petergarner.net>

On Fri, Jul 24, 2020 at 4:28 AM peter garner <peter@petergarner.net> wrote:
>
> I've used my OneRNG v3.0 external device to recreate my SSH moduli and
> am now looking to recreate my wireguard keys.
>
> According to the Wireguard docs it uses /dev/urandom:
> https://gist.github.com/rmoriz/58f1768218a4fbc4b318615bfb85111d
>
> fd = open("/dev/urandom", O_RDONLY);
>         if (fd < 0)
>                 return fd;
>         ret = read(fd, out, len);
>         close(fd);

Unrelated, the kernel-crypto folks recommend using /dev/urandom.
Wiregaurd is following best practices. Also see
https://lkml.org/lkml/2017/7/20/993.

Jeff

  reply	other threads:[~2020-07-24  8:33 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-21 14:58 Using OneRNG hardware RNG can I get wireguard to use /dev/random peter garner
2020-07-24  8:32 ` Jeffrey Walton [this message]
2020-07-24  8:58   ` Ipad@petergarner.net
2020-07-24  8:55 ` Jason A. Donenfeld

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