[Cryptography] The Crypto Pi
agr at me.com
Thu Jan 15 19:29:29 EST 2015
On Wed, 14 Jan 2015 19:33 Paul Elliott wrote:
> On Mon, Jan 12, 2015 at 03:39:44PM -0800, Bill Frantz wrote:
>> On 1/12/15 at 2:12 PM, crypto at senderek.ie <mailto:crypto at senderek.ie> (Ralf Senderek) wrote:
>>> Do you know how trustworthy the onboard RNG on the Raspberry Pi is? Are
>>> there any references that convinced you to put some faith into its
>> One advantage of a machine like the Pi is that there is low level access to
>> I/O pins, so it should be easy to add a hardware random number generator and
>> get the data into the system.
>> I don't know if Paul is doing this, but adding it should be straight
> You can put one of the usb based HRNG into the pi and share it with
> your whole net.
One can purchase a 5 megapixel HD camera module for the Raspberry Pi for $25. An extensive Python support package is available, including the ability to read an image unencoded. http://picamera.readthedocs.org/en/release-1.9/ <http://picamera.readthedocs.org/en/release-1.9/> Using a camera as a source for entropy was discussed at length in a thread here last year. A camera might be cheaper than a plug-in HRNG, doesn’t take up a USB port, and could be easier to audit.
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