This. There was a good (and short) talk at Usenix Enigma 16 that went into this: <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=wxeIrkxRDMA" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=wxeIrkxRDMA</a>