Rob Graham doubts this is production code.<p><a href="http:&#x2F;&#x2F;blog.erratasec.com&#x2F;2014&#x2F;07&#x2F;validating-xkeyscore-code.html" rel="nofollow">http:&#x2F;&#x2F;blog.erratasec.com&#x2F;2014&#x2F;07&#x2F;validating-xkeyscore-code....</a>