require et random_device for cons token test

[Jonathan Wakely]

On 25/03/21 08:00 -0300, Alexandre Oliva wrote:
>On Mar 24, 2021, Jonathan Wakely <jwakely@redhat.com> wrote:
>
>> Does vxworks provide any platform-specific source of randomness, like
>> Linux getrandom(2) or BSD arc4random(3) or Windows rand_s? If yes, we
>> should add support for that (in the next stage 1).
>
>There appears to be a randNumGenCtl syscall that appears to be relevant
>to that end, and randAdd to seed and randBytes to obtain random bytes in
>vxRandLib.  I couldn't find documentation on how to use it, but there
>seems to be some code using it in openssl.  Sorry, I don't know a lot
>about vxworks.

Thanks! We could look into that in stage 1.