发明名称 OBJECT SECURITY IMPLEMENTATION
摘要 <p>According to the invention, disclosed are an apparatus and methods for authenticating information sent to a set top box. In one embodiment, a method for distributing information that includes a signature is disclosed. In one step the signature is generated over first information and second information. The first information is sent over a network in another step. The second information is sent over the network separately from the step of sending the first information. The signature is sent over the network separately from at least one of the first information and the second information.</p>
申请公布号 EP1232652(A2) 申请公布日期 2002.08.21
申请号 EP20000991391 申请日期 2000.11.10
申请人 GENERAL INSTRUMENT CORPORATION 发明人 EISENBART, ROBERT, S.;CHEN, ANNIE, O.;MURPHY, PATRICK, J.
分类号 H04N5/765;H04H20/00;H04L9/32;H04N7/16;(IPC1-7):H04N7/24;H04N5/00 主分类号 H04N5/765
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