&gt; For the most common strength of Diffie-Hellman (1024 bits), it would cost a few hundred million dollars to build a machine, based on special purpose hardware, that would be able to crack one Diffie-Hellman prime every year.<p>I&#x27;ll just leave this here: <a href="http:&#x2F;&#x2F;fortune.com&#x2F;2015&#x2F;06&#x2F;29&#x2F;intelligence-community-loves-its-new-amazon-cloud&#x2F;" rel="nofollow">http:&#x2F;&#x2F;fortune.com&#x2F;2015&#x2F;06&#x2F;29&#x2F;intelligence-community-loves-i...</a>