<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">On Wed, 14 Jan 2015 19:33 Paul Elliott wrote:<br class=""><br class=""><blockquote type="cite" class="">On Mon, Jan 12, 2015 at 03:39:44PM -0800, Bill Frantz wrote:<br class=""><blockquote type="cite" class="">On 1/12/15 at 2:12 PM, <a href="mailto:crypto@senderek.ie" class="">crypto@senderek.ie</a> (Ralf Senderek) wrote:<br class=""><br class=""><blockquote type="cite" class="">Do you know how trustworthy the onboard RNG on the Raspberry Pi is? Are<br class="">there any references that convinced you to put some faith into its<br class="">performance?<br class=""></blockquote><br class="">One advantage of a machine like the Pi is that there is low level access to<br class="">I/O pins, so it should be easy to add a hardware random number generator and<br class="">get the data into the system.<br class=""><br class="">I don't know if Paul is doing this, but adding it should be straight<br class="">forward.<br class=""><br class=""></blockquote><br class="">You can put one of the usb based HRNG into the pi and share it with<br class="">your whole net.</blockquote><br class=""><div class="">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. <a href="http://picamera.readthedocs.org/en/release-1.9/" class="">http://picamera.readthedocs.org/en/release-1.9/</a> 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.</div><div class=""><br class=""></div><div class="">Arnold Reinhold</div></body></html>