发明名称 DIGITAL SIGNATURES FOR DIGITAL TELEVISION APPLICATIONS
摘要 FIELD: physics, video technics. ^ SUBSTANCE: invention concerns additional or interactive television content security, particularly subscribing to additional or interactive TV content. Method of signing additional TV content application in the form of a file set with program code and associated objects involves the following stages: identification of at least the first part (2201-220M, 2201-220V) of files in at least one file cluster (2141-214N); cluster signature (2111, 211N) calculation for each cluster; creation of security data resource file (100), which includes signature location description (120, 120A). ^ EFFECT: increased TV content security. ^ 51 cl, 16 dwg, 1 tbl
申请公布号 RU2336658(C2) 申请公布日期 2008.10.20
申请号 RU20030129875 申请日期 2003.10.07
申请人 MAJKROSOFT KORPOREJSHN 发明人 KHEREDIA EHDVIN A.
分类号 H04N7/035;H04N7/16 主分类号 H04N7/035
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