When you buy a digital good, you are not buying a file. You are buying a promise that a script will run correctly on your device today, tomorrow, and (hopefully) next year. The script is the living embodiment of the license agreement. It decides if you are an owner, a renter, or a thief.
The machine is not broken. The agreement just isn't in your favor. Drm Scripts
In this model, there is no script for the user to inspect. The media decryption happens inside a black box on the CPU. The operating system cannot see the decrypted frames. The user cannot dump the RAM. When you buy a digital good, you are not buying a file
Why does this not spell immediate doom?
To understand DRM is to stop looking at the lock and start looking at the code that swings the bolt. In the most technical sense, a DRM script is a set of imperative instructions executed by a runtime environment (like a web browser, a media player, or an e-reader) to enforce usage policies. Unlike a binary executable, these scripts are often interpreted or sandboxed, designed to operate within the hostile territory of the user’s own machine. It decides if you are an owner, a renter, or a thief