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 |