&gt; Do you seriously think that anyone would implement crypto based on a reddit post?<p>No. I think people may have taken it as a working example of encryption. Evidently it&#x27;s not.<p>The post in question is also specifically replying to someone asking how Bob and Alice can tell a secret, without Eve knowing. The given example does not do that.<p>&gt; Are you an idiot or do you think everyone else is? This is one of the worst posts I&#x27;ve ever...<p>Have you read: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;newsguidelines.html" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;newsguidelines.html</a> yet?