> DRM only works if you don't know how it works. That's not entirely true, I don't think? What about AACS, which uses a very clever master key / sub key + key

> DRM only works if you don't know how it works. That's not entirely true, I don't think? What about AACS, which uses a very clever master key / sub key + key revocation mechanism. People figured out exactly how it worked well before it was actually "broken" - and it was broken by stealing private keys from devices. > For games, Steam makes it easy to avoid SecuROM Hell Steam is DRM. Sure, it's fairly nice as DRM goes, but it is still DRM.