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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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