mono/mono — pull request #1244 by RyanMelenaNoesis (2014-08-29 14:31:20+00:00)
Title: Correct creation of SecurityKeys

Correct creation of SecurityKeys when provided key is null. Generate random 128-bit symmetric key as specified in class remarks ( http://msdn.microsoft.com/en-us/library/hh137856(v=vs.110).aspx ).