It’s rare when what were once conditional access specialists, have anything to announce, other than a particular chip integration or a design win, but at CES this week Nagra, Verimatrix and Irdeto have each shown new steps which show the changing way they see their respective futures. For Nagra, it was two announcements, working with both Samsung TVs and MStar chips to come up with what it is calling TVKey. This is a serious change in strategy for Nagra, in that it is offering its own hardware root of trust on both Samsung TVs and on any TV built around an Mstar TV chip. Today, security in the OTT market has become homogenized around browsers, initially sidelining security players into…