SYSTEM AND METHODS FOR PERMITTING OPEN ACCESS TO DATA OBJECTS AND FOR SECURING DATA WITHIN THE DATA OBJECTS
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Abstract
A system and methods for permitting open access to data objects and for securing data within the data objects is disclosed. According to one embodiment of the present invention, a method for securing a data object is disclosed. According to one embodiment of the present invention, a method for securing a data object is disclosed. The method includes the steps of (1) providing a data object comprising digital data and file format information; (2) embedding independent data into a data object; and (3) scrambling the data object to degrade the data object to a predetermined signal quality level. The steps of embedding and scrambling may be performed until a predetermined condition is met. The method may also include the steps of descrambling the data object to upgrade the data object to a predetermined signal quality level, and decoding the embedded independent data. The additional steps of descrambling and decoding may be performed until a predetermined condition is met. The predetermined condition may include, for example, reaching a desired signal quality of the data object.
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Citations
88 Claims
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1-86. -86. (canceled)
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87. A method for creating differential access to a digital signal, comprising:
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receiving a digital signal; selecting at least one signal characteristic of the digital signal; manipulating the at least one signal characteristic to degrade the digital signal; associating at least one digital watermark with the degraded digital signal; and creating differential access based on the manipulation step.
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88-104. -104. (canceled)
Specification