The Snowden leaks gave a pretty good picture of what the capabilities are. They do most certainly not have backdoors into every possible crypto system.<p>SHA1 should probably be replaced for example, but thats not all crypto by a longshot.<p>Their are good talks at the C3 confernce about &#x27;Post Snowden Crypto&#x27;, specially by &#x27;ruedi&#x27;. He goes into detail about all the major crypto system and explains how risky they are, and what we know about the NSAs efforts to break them.<p><a href="https:&#x2F;&#x2F;media.ccc.de&#x2F;search?q=ruedi" rel="nofollow">https:&#x2F;&#x2F;media.ccc.de&#x2F;search?q=ruedi</a>