From: Marcel Holtmann <marcel@holtmann.org>
To: Alexandre Augusto <alexandre.a.giron@gmail.com>
Cc: Bluez mailing list <linux-bluetooth@vger.kernel.org>
Subject: Re: Entropy source based on the RSSI
Date: Tue, 20 Oct 2020 20:38:51 +0200 [thread overview]
Message-ID: <B67F1317-2644-4803-8A16-2A2E7CC425F3@holtmann.org> (raw)
In-Reply-To: <CABLzjm8S1J5MRhrwFu1pbX9fub7X5nXmYRWmtRsmVRObeJOCbw@mail.gmail.com>
Hi Alexandre,
> based on the motivation that IoT devices do not have many entropy
> sources available, and also on the fact that trusting in a single
> source may be risky, I have researched some additional ways to collect
> randomness for the device, using bluetooth technology for that
> purpose.
>
> For those who are interested in:
>
> Github: https://github.com/AAGiron/Bluerandom
> Presentation: https://www.youtube.com/watch?v=iAKaKAmqCFo
>
> I also want to say thanks in advance to Emil Lenngren for his valuable
> comments, here in this mailing list (back in 2019), and also to the
> Bluez community.
I would integrate as kernel driver. The Bluetooth stack could just use its
own LE random generator and an initial passive scan to gather RSSI values.
No need to push this into user space.
Regards
Marcel
next prev parent reply other threads:[~2020-10-20 18:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-15 18:34 Entropy source based on the RSSI Alexandre Augusto
2020-10-15 23:00 ` Luiz Augusto von Dentz
2020-10-20 18:38 ` Marcel Holtmann [this message]
2020-10-20 18:57 ` Alexandre Augusto
2020-10-20 19:19 ` Alexandre Augusto
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=B67F1317-2644-4803-8A16-2A2E7CC425F3@holtmann.org \
--to=marcel@holtmann.org \
--cc=alexandre.a.giron@gmail.com \
--cc=linux-bluetooth@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).