Multi-tier digital TV programming for content distribution
A method of securely providing data to a user's system over a broadcast infrastructure. The method comprising the steps of: encrypting the data using a first encrypting key; encrypting a first decrypting key using a second encrypting key; dividing at least part of the encrypted data into a seri...
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Main Authors | , , , , |
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Format | Patent |
Language | English |
Published |
21.12.2004
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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