> This isn't relevant to DRM. DRM for broadcast media requires that there be many protected copies of the same decrypt key. This thing is for unique keys only.

> This isn't relevant to DRM. DRM for broadcast media requires that there be many protected copies of the same decrypt key. This thing is for unique keys only. Game consoles. Game consoles encrypt their boot disks with device-specific keys. They also have device-specific client certificates for authorizing access to game CDN servers (allowing console vendors to ban consoles by revoking those certificates.)