http://awalsh128.com/tags/xml/Recent content in XML on Andrew WalshHugo -- gohugo.ioen-US© 2026 Andrew WalshWed, 03 Oct 2012 13:43:30 -0700http://awalsh128.com/licensing-using-xml-digital-signing/Tue, 14 Aug 2012 00:00:00 -0700http://awalsh128.com/licensing-using-xml-digital-signing/<h3 class="relative group">Motivation <div id="motivation" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#motivation" aria-label="Anchor">#</a> </span> </h3> <p>One of the main concerns in any licensing implementation is that authored license files are coming from the trusted authority (ie. your company) and not some third party. This can be accomplished in software by encrypting and decrypting the license with a <a href="http://en.wikipedia.org/wiki/Symmetric-key_algorithm" target="_blank" rel="noreferrer">single key</a>, but symmetric <a href="http://en.wikipedia.org/wiki/Key_management" target="_blank" rel="noreferrer">key storage</a> can be cumbersome and have added complexity.</p>