[Cryptography] Design of a secure hardware dongle

Gé Weijers ge at weijers.org
Mon Jan 25 13:23:37 EST 2016


The question is whether that particular ARM processor can keep a secret if
it gets into the wrong hands. People with logic analyzers and chip probes.

Gé
On Tue, Jan 19, 2016 at 12:38 Ron Garret <ron at flownet.com> wrote:

> I’m working on a design for a minimalist secure hardware dongle.  The goal
> is to have it be usable as an HSM for the secure storage of secrets.  I
> have a prototype running on a Teensy3, but I’ve come to the conclusion that
> in order to really be secure there has to be some I/O on the dongle
> itself.  Hence, I am commissioning a new design that is essentially a
> Teensy3 with the addition of an OLED display and two push-buttons.  It will
> also have an on-board noise source for key generation.  The resulting
> device will be very similar to the Trezor, but not designed specifically
> for BitCoin.  I expect to be able to sell them for about $50.
>
> If anyone here has an interest in such a device and would like to see a
> feature that I have not listed please let me know.
>
> rg
>
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-- 
—
Gé
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