User:Markjeff/Sandbox
| CPCM | HDCP | DTCP-IP | OMA DRM | |
|---|---|---|---|---|
| Used on | LAN, WLAN | DVI, HDMI | LAN, WLAN | LAN, WLAN |
| Allows Recording | Yes1 | No | No | Yes1 |
| Allows Remote Access (ala SlingBox) | Yes1 | No | No | Unclear |
| Tied to Service Provider | No | No | No | Yes |
| FTA Content Encrypted | No2 | Yes | Yes | Yes |
| Revocation of Devices | Yes3 | Yes | Yes | Yes |
1 Subject to rights granted with content 2 CPCM includes a "do not CPCM-scramble (DNCS) bit to prevent implementations from encrypting clear content 3 CPCM can ignore revocation status for certain content, e.g. public service broadcasts