How can TCPA be abused?
One of the worries is censorship. TCPA was designed from the start to support the centralised revocation of pirate bits. Pirate software will be spotted and disabled by Fritz when you try to load it, but what about pirated songs or videos? And how could you transfer a song or video that you own from one PC to another, unless you can revoke it on the first machine? The proposed solution is that an application enabled for TCPA, such as a media player or word processor, will have its security policy administered remotely by a server, which will maintain a hot list of bad files. This will be downloaded from time to time and used to screen all files that the application opens. Files can be revoked by content, by the serial number of the application that created them, and by a number of other criteria. The proposed use for this is that if everyone in China uses the same copy of Office, you do not just stop this copy running on any machine that is TCPA-compliant; that would just motivate the
