The only surprising thing here is that the master keys didn&#x27;t leak sooner. This is a close physical analogue to why it&#x27;s a very bad idea to mandate backdoors in encryption software. Hopefully the UK[1] and other governments will learn something from this, though I won&#x27;t hold my breath.<p>[1] <a href="https:&#x2F;&#x2F;www.techdirt.com&#x2F;articles&#x2F;20150702&#x2F;00134231524&#x2F;david-cameron-promises-to-do-away-with-safe-spaces-internet.shtml" rel="nofollow">https:&#x2F;&#x2F;www.techdirt.com&#x2F;articles&#x2F;20150702&#x2F;00134231524&#x2F;david...</a>