Rec. ITU-T J.1026 (07/2019) - Downloadable conditional access system for unidirectional networks – Requirements 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 Requirements for one-way downloadable conditional access system for unidirectional networks 6.1 Security challenges in a one-way TV environment 6.2 System security requirements 6.3 General requirements 6.3.1 One-way DCAS headend system requirements 6.3.2 Security chipset key serializing module requirements 6.3.3 One-way DCAS client software requirements 6.3.4 Terminal security chipset requirements 6.3.5 HSM requirements 6.3.6 Terminal software platform requirements 6.3.7 Terminal security requirements Appendix I Activation of a HSM of a one-way DCAS Bibliography