CPCM | HDCP | DTCP-IP | OMA DRM | |
---|---|---|---|---|
Used on | LAN, WLAN, Internet | DVI, HDMI | LAN, WLAN | LAN, WLAN, Internet |
Allows Recording | Yes1 | No | No | Yes1 |
Allows Remote Access (ala SlingBox) | Yes1 | No | No | Unclear |
Burn to DVD | Yes1 | No | No | Unclear |
Load to portable device | Yes1 | No | No | Yes1 |
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