METHODS AND SYSTEMS FOR ENCODING AND PROTECTING DATA USING DIGITAL SIGNATURE AND WATERMARKING TECHNIQUES
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Accused Products
Abstract
Systems and methods are provided for determining a presence of a watermark in electronic data. In certain embodiments, a plurality of keys is generated, and a plurality of payloads are retrieved from electronic data using the keys. A statistical indicia of randomness is generated based on the payloads, and the presence of a watermark is determined when the indicia is below a threshold.
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35 Claims
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1-17. -17. (canceled)
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18. A method for determining a presence of a watermark in electronic data comprising:
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generating a plurality of keys; retrieving a plurality of payloads from the electronic data using the plurality of keys; generating a statistical indicia of randomness of the plurality of payloads; and determining the presence of the watermark in the electronic data based on the indicia being less than a threshold. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26)
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27. A non-transitory computer-readable storage medium storing instructions that, when executed by a processor, cause the processor to perform a method comprising:
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generating a plurality of keys; retrieving a plurality of payloads from the electronic data using the plurality of keys; generating a statistical indicia of randomness of the plurality of payloads; and determining the presence of the watermark in the electronic data based on the indicia being less than a threshold. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35)
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Specification