am 07f4f423: Merge changes Icdc56a50,I63d5dc28,Ia7d0c5d8,I47406533

* commit '07f4f42347557420f105a72d9a93bc8ee88a3dc5':
  Handle RDRAND failures.
  dsa_pub_encode: Write out DSA parameters (p, q, g) in addition to key.
  Fix for CVE-2015-1789.
  Fixes for CVE-2015-1791.