<story><title>The Cryptographic Doom Principle</title><url>http://www.thoughtcrime.org/blog/the-cryptographic-doom-principle/</url></story><parent_chain><item><author>richo</author><text>If you believe that &amp;quot;don&amp;#x27;t roll your own crypto&amp;quot; is some kind of absurd mantra the security industry uses to keep us in business, I recommend that you roll your own crypto, and keep us in business.</text></item></parent_chain><comment><author>a1a</author><text>Schneier&amp;#x27;s Law comes to mind&lt;p&gt;&amp;quot;Anyone, from the most clueless amateur to the best cryptographer, can create an algorithm that he himself can&amp;#x27;t break.&amp;quot;&lt;p&gt;&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.schneier.com&amp;#x2F;blog&amp;#x2F;archives&amp;#x2F;2011&amp;#x2F;04&amp;#x2F;schneiers_law.html&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.schneier.com&amp;#x2F;blog&amp;#x2F;archives&amp;#x2F;2011&amp;#x2F;04&amp;#x2F;schneiers_law...&lt;/a&gt;</text></comment>
<story><title>The Cryptographic Doom Principle</title><url>http://www.thoughtcrime.org/blog/the-cryptographic-doom-principle/</url></story><parent_chain><item><author>richo</author><text>If you believe that &amp;quot;don&amp;#x27;t roll your own crypto&amp;quot; is some kind of absurd mantra the security industry uses to keep us in business, I recommend that you roll your own crypto, and keep us in business.</text></item></parent_chain><comment><author>kkl</author><text>I do not have concerns with the mantra itself just it&amp;#x27;s usage and the entitlement that often comes along with using it. The top answer on this Stack Exchange question is a good example of what I believe to be proper usage of the mantra.
&lt;a href=&quot;http:&amp;#x2F;&amp;#x2F;security.stackexchange.com&amp;#x2F;questions&amp;#x2F;18197&amp;#x2F;why-shouldnt-we-roll-our-own&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;security.stackexchange.com&amp;#x2F;questions&amp;#x2F;18197&amp;#x2F;why-should...&lt;/a&gt;</text></comment>