FWIW, Sun Labs came up with an "open" DRM system back in the mid 2000s called DReaM. I don't think it ever took off because of Microsoft's stranglehold on commercial DRM systems. While it's difficult

I bet security requirements are going to be all over the map in this group. I bet people who are trying to push out media to end user devices are going to be VERY interested in signed code, but other