(= Content Protection for Removable Media,
"irdkandjate sisukaitse")

olemus
levikrüpteerimist rakendav tehnoloogia:
- A. Fiat, M. Naar, 1993
- riistvarapõhine
- tõkestab failide lubamatu kopeerimise
plaatidelt ja pleierite mälukaartidelt
=
a hardware-based technology for enforcing copy protection restrictions through built-in mechanisms in storage media that would prevent unauthorized file copying

ülevaateid
https://www.theregister.co.uk/2001/01/10/everything_you_ever_wanted/

https://www.cybertraining365.com/cybertraining/Topics/Content_Protection_for_Removable_Media_(CPRM)

vt ka
- autoriõiguste digitaalkaitse
- CPRM/CPPM
- kopeerimistõrje