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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>The Arduino as a Hardware Random-Number Generator · HackerPapers discussions</title><link>https://hackerpaper.kaipfister.de/p/1212.3777/</link><description>Collected HN comments and submissions linking this paper.</description><language>en</language><lastBuildDate>Mon, 02 Nov 2026 11:16:22 GMT</lastBuildDate><atom:link href="https://hackerpaper.kaipfister.de/p/1212.3777/feed.xml" rel="self" type="application/rss+xml" /><item><title>The Arduino as a Hardware Random-Number Generator — mentioned by Tharre</title><link>https://news.ycombinator.com/item?id=21885017</link><guid isPermaLink="false">urn:hackerpapers:mention:1212.3777:21885017</guid><pubDate>Thu, 26 Dec 2019 16:48:58 GMT</pubDate><description>&lt;p&gt;The &amp;quot;security&amp;quot; of this device is a joke, just look at how randomness is derived: unsigned int analog1 = analogRead(ANALOGPIN1); RNG.stir((uint8_t *)analog1, sizeof(analog1), sizeof(analog1)*2); unsigned int analog2 = analogRead(ANALOGPIN2); RNG.stir((uint8_t *)analog2, sizeof(analog2), sizeof(analog2)*2); (See [0] for a comprehensive summary of why this is a terrible thing to do) And yeah, analogRead() is a function from the Arduino library because .. well, apparently there&amp;#x27;s an Arduino compatible chip inside that does all the cryptographic operations. Meaning that there is no hardware…&lt;/p&gt;&lt;p&gt;&lt;a href="https://hackerpaper.kaipfister.de/p/1212.3777/"&gt;Paper and discussion history&lt;/a&gt;. A mention is not an endorsement.&lt;/p&gt;</description><category>cs.CR</category></item></channel></rss>
