[Cryptography] Show Crypto: prototype USB HSM

[Yui Hirasawa]

On Tue, Apr 12, 2016 at 08:12:52PM -0700, Tony Arcieri wrote:
> On Tue, Apr 12, 2016 at 7:26 PM, Ron Garret <ron at flownet.com> wrote:
>
>> This HSM is much more general-purpose than a U2F token.
>>
>
> Well, that's true, but it's also hundreds of times bigger than a token in
> the Yubikey "nano" form factor, which is actually convenient to keep
> permanently in the USB slot of a laptop. Your physical design seems pretty
> unwieldy for laptops (see also Yubico's keychain designs).

This isn't really a big concern for someone who is looking for maximum
security. Paranoid people would much rather take the advantages of
having a display than the small size. If you're really paranoid you
probably won't keep it plugged in 24/7 anyways.