标准编号：ISO 26430-1:2008
中文名称：数字影院运行 第1部分：关键传递信息
英文名称：Digital cinema (D-cinema) operations — Part 1: Key delivery message
发布日期：2008-07
标准范围
This specification defines a "Key Delivery Message" (KDM) for use in Digital Cinema (D-Cinema) systemsThe KDM has been designed to deliver security parameters and usage dghts between D-Cinema contentprocessing centers (eg from post production to distribution, or from distribution to exhibition) The KDMcarries fundamentally three information types: ~ Content keys for a specified Composition Play List (CPL) ~ Content key parameters - primarily the permitted key usage date/time window ~ The Trusted Device List (TDL) which identifies equipment permitted to use the content keysThe KDM is based on the D-Cinema generic Extra-Theater Message (ETM) format [ETM]. It uses XML torepresent the information about the content decryption keys and TDLs, and provides security usingstandardized XML encryption and signature primitives. The KDM message uses X509 digital certificates,specified in [D-Cinema Digital Certificate], to provide authentication and trustNOTE - The brackets convention "[ ]" as used herein denotes either a normative or informative reference.
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