ISO/IEC 23009-4-2018 信息技術(shù)--HTTP動(dòng)態(tài)自適應流媒體（DASH）--第4部分：分段加密和認證 Information technology -- Dynamic adaptive streaming over HTTP (DASH) -- Part 4: Segment encryption and authentication

This document specifies:
— Format-independent segment encryption and signalling mechanisms for use with any media segment format used in DASH (ISO/IEC 23009-1).
— Mechanisms to ensure segment integrity and authenticity for use with any segment used in DASH (ISO/IEC 23009-1).nd edition 2018-10 Information technology — Dynamic adaptive streaming over HTTP (DASH) — Part 4: Segment encryption and authentication Technologies de l'information — Diffusion en flux adaptatif dynamique sur HTTP (DASH) — Partie 4: Cryptage et authentification des segments Reference number ISO/IEC 23009-4:2018(E) ？ ISO/IEC 2018 ISO/IEC 23009-4:2018(E) COPYRIGHT PROTECTED DOCUMENT ？