发明名称 Digital content distribution using web broadcasting services
摘要 A method, a system and computer readable medium of securely receiving data on a user's system from a web broadcast infrastructure with a plurality of channels. The method includes encrypting the data using a first encrypting key, wherein the first encrypting key is self-contained with all the information necessary to decrypt the data encrypted with the first encrypting key and encrypting the first decrypting key, using a second encrypting key. Next promotional metadata related to at least part of the encrypted data on a first web broadcast channel for reception by at least one user's system is broadcasted. Broadcasting at least part of the encrypted data over a second broadcast channel and transferring the encrypted first decrypting key, which has been encrypted with the second encrypting key, to the user's system via a computer readable medium.
申请公布号 US7213005(B2) 申请公布日期 2007.05.01
申请号 US20000487417 申请日期 2000.01.20
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 MOURAD MAGDA;MUNSON JONATHAN P.;PACIFICI GIOVANNI;TANTAWY AHMED;YOUSSEF ALAA S.
分类号 G06Q99/00;G06F17/30;H04K1/00;H04L9/00 主分类号 G06Q99/00
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