[Cryptography] cryptography Digest, Vol 9, Issue 29

[James A. Donald]

On 2014-01-30 06:36, Arnold Reinhold wrote:
> The hard case is the large number of "internet
> of things" devices being sold or about to be introduced. (Google did not
> pay $3.2 billion for Nest just to conquer the digital thermostat
> business.) Most of these devices lack a hard drive and many have no
> other obvious source of randomness, especial when they first start up.
> Some will be used in places where they can do real damage.

Use exact arrival time and details of packets.

Seed entropy on install.

If it is a digital thermostat, has an A to D converter.  If an A to D 
converter, probably has thermal noise.