OMA DRM 2.0 을 적용한 경량화된 DRM 서비스 구현
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OMA DRM 2.0 DRM 20021551 [email protected]
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ROAP DRM OMA DRM
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1. OMA DRM
, , DRM , , ,
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2. OMA DRM (1/2)
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2. OMA DRM (2/2)1. RO
ROIDRIEmasterkey(REK)EREK(CEK)domainROver
rightsIDROIDCONTENTSpermissionActionConstraintsConstraints Value
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3. DRM
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4. ROAP (1/3) Device - Masterkeyprotected RI -> Device - RSA DL/ECIES IEEE [1363a ] Protocols
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4. ROAP (2/3) - ROSprotected RI -> Device - AES-WRAP [RFC3394] Protocols
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4. ROAP (3/3) Master Key share and Rights Key transmission between RI and Device
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5. (1/8) Development Environment
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5. (2/8) Module 6.
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5. (3/8) Module DRM Client Manager 7. DRM Client Manager
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5. (4/8) Module (SDA) 8. SDA
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5. (5/8) Module
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5. (6/8) Module (Right Issuer) 10. 4-pass 4-pass - Device MasterKey
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5. (7/8) Module (Right Issuer) 11. 2-pass RO 2-pass RO - Device RO
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5. (8/8) Module DRM 12. CEK
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6. OMA DRM v2.0 . RSA . DRM Domain OMA DRM v2.0 DRM