Comment Re:Secure Boot won't catch on (Score 2) 521
Also not cracked: DTCP which, for a good number of years, protected (and still does) the Firewire output of cable set top boxes. Firewire is falling out of favor fast, but DTCP still hasn't been cracked, and I'm pretty sure that goes for newer non-firewire implementations such as DTCP-IP.
And don't forget HDCP which protects HDMI connections between A/V devices. The master key was leaked, not cracked. There's a huge difference there.