A method for content protection of the handset TV service
A technology of mobile TV service and mobile TV, which is applied in the field of communication to achieve the effect of less system changes
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0078] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0079] The method flow of the present invention is shown in Figure 5, the mobile TV / mobile multimedia broadcasting content provider uses the CA system to generate a control word (CW), and the CW is used as a content key to encrypt the content, and then sends the CW to the mobile operator. According to the BCMCS security framework, the operator generates SK from BAK and SK_RAND to encrypt CW, and the encrypted CW is returned to the mobile TV / mobile multimedia broadcasting content provider together with BAK index BAK_ID and SK_RAND. The mobile TV / mobile multimedia broadcasting content provider broadcasts the encrypted content, BAK_ID and SK_RAND to the terminal together. On the terminal side, according to the key distribution process of BCMCS, UIM generates SK from BAK and SK_RAND, and sends SK back to ME, ME uses SK to decrypt CW, and then CW decrypts the cont...
PUM

Abstract
Description
Claims
Application Information

- Generate Ideas
- Intellectual Property
- Life Sciences
- Materials
- Tech Scout
- Unparalleled Data Quality
- Higher Quality Content
- 60% Fewer Hallucinations
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com