[Cryptography] [cryptography] Show Crypto: prototype USB HSM

[Ben Laurie]

On 14 April 2016 at 00:16, Jerry Leichter <leichter at lrw.com> wrote:
>>> Yes, make it significantly smaller than the current form factor.
>>
>> Ah.  OK, well, that is certainly doable, though how small you can make it is ultimately limited by the size of the display.  How small do you want it, and how much are you willing to pay?
> I wonder if one could get rid of the display per se and add some kind of MEMS steerable laser to it.  The output would be projected onto some nearby surface.  This could be physically much smaller.
>
> People have built "virtual keyboards" using this idea- here's a random one:  http://www.amazon.com/AGS-Wireless-Projection-Bluetooth-Smartphone/dp/B00MR26TUO/ref=sr_1_1?ie=UTF8&qid=1460589277&sr=8-1&keywords=laser+projector+keyboard

Oh no they haven't - that's simply projecting a static image, its not steerable.