Digital content distribution using web broadcasting services
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United States of America Patent
Stats
-
May 1, 2007
Grant Date -
Jul 17, 2003
app pub date -
Jan 20, 2000
filing date -
Dec 9, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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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