&gt; Because what they want to achieve is fundamentally impossible, and have to be done in a security-through-obscurity way.<p>Which clearly cannot both be true at the same time. It isn&#x27;t that it&#x27;s impossible but there is actually some way to do it. It&#x27;s just regular unadulterated impossible.<p>So why not give up the charade and publish the source code to the DRM? That can&#x27;t cause it to be ineffective because it&#x27;s already ineffective. It&#x27;s not even a fig leaf, it&#x27;s just security theater.