We said last week that Nagra subsidiary Conax had landed a deal at Dish India to continue its long standing relationship there and in the process guessed that it had based its hardware root of trust to the Rambus CryptoMedia core, previously called Crypto Firewall. It means controlling the DRM market for 15 million devices in India, and although Dish will not pay as much as say a US operator per home, it is still one of the largest pay TV installations in the world. But the story does not end there. The key to CryptoMedia is that it does not belong to any individual DRM supplier, so that multiple DRM providers can use it, as long as they have…