any use for a key generator based upon analogue electronic noise ?

[dinofelis]

Hello,

I'm wondering if a small development in electronics would be worth-while:
taking thermal noise from a resistor, amplify and digitize it, and turn it into a random number generator, a key generator or something similar ?
I would propose a small module based upon a USB link.  The important thing is that the electronics would be open and evident (no hidden FPGA program or so, just standard non-programmable electronics) and open source software reading the thing so that it is clear that no tricks are used for faking random numbers.

Would there be a market for such a product ?  That is, would it be worth-while to develop such a thing ?

[hhanh00]

There is a market for it. In fact, there are USB devices that do that but based on another electronic noise. I don't know how your method would compare to that.