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Mobile phone users download ring tones, wallpaper, music, movies and games from service providers everyday. Content downloading is a huge part of the mobile business. DRM (Digital Rights Management) prevents the illegal distribution of content and protects the interest of the content owner. This document introduces the basic concepts and mechanisms in Open Mobile alliance (OMA) DRM 1.0/2.0, and compares the differences between them.
下载次数：
Mobile phone users download ring tones, wallpaper, music, movies and games from service providers everyday. Content downloading is a huge part of the mobile business. DRM (Digital Rights Management) prevents the illegal distribution of content and protects the interest of the content owner. This document introduces the basic concepts and mechanisms in Open Mobile alliance (OMA) DRM 1.0/2.0, and compares the differences between them.
