In case you use OpenPGP on a smartphone ...

Philihp Busby philihp at
Wed Aug 12 04:44:42 CEST 2020

On 2020-08-11T21:18:24+0200 Johan Wevers <johanw at> wrote 0.9K bytes:

> On 11-08-2020 17:18, Stefan Claas wrote:
> >> Why hardware? If a bug is found you can't upgrade it easily.
> > 
> > Because hardware can't be tampered with like software.
> If a hardware bug is found you're still lost. Even Apple has found out
> the hard way.

A hardware smartcard is meant to be a closed system, and you can enumerate all (or fuzz most) of the possible inputs.

If you have a Nest thermostat, why bother with an alcohol thermometer? Perhaps there is a bug with your Nest and it reports in Farenheit instead of Celcius. Google can issue an update, and send out an email apologizing profusely. If your alcohol thermometer is inaccurate, your homeostasis is surely doomed. 

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