Recommendation ITU-T J.1027 (01/2022) Downloadable conditional access system for unidirectional networks – System architecture
Summary
History
FOREWORD
Table of Contents
Introduction
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 One-way DCAS architecture
     6.1 One-way DCAS architecture
          6.1.1 One-way DCAS headend system
          6.1.2 One-way DCAS terminal system
          6.1.3 One-way DCAS SDMP
     6.2 Security mechanism
          6.2.1 Key mechanism
               6.2.1.1 Key model
               6.2.1.2 Root key derivation mechanism
               6.2.1.3 Key ladder mechanism
               6.2.1.4 Secure data management
               6.2.1.5 Service scrambling and descrambling mechanism
          6.2.2 One-way DCAS terminal hardware security mechanism
          6.2.3 One-way DCAS terminal software security mechanism
               6.2.3.1 Chain of trust
               6.2.3.2 One-way DCAS client software data security
               6.2.3.3 Terminal trusted execution environment
Bibliography
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