What is the difference between the two SPP (Service Purchase and Protection) solutions proposed in the DVB-IPDC specification TS 102 474?
DVB-IPDC includes two Service Purchase and Protection profiles building on different principles. The “18Crypt” profile makes use of device-based security mechanisms derived from OMA DRM 2.0, while “Open Security Framework” (OSF) is a framework enabling multiple key management systems based on smartcards.
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