Method and System for Managing and Controlling Electronic Media
First Claim
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1. A method comprising:
- obtaining content, wherein the content comprises a steganographic signal hidden therein through subtle changes to data representing the content;
accessing a registry including a plurality of steganographic decoding keys to obtain a decoding key associated with the content, wherein at least some of the keys are encrypted;
obtaining the decoding key associated with the content or the steganographic signal;
decoding the steganographic signal hidden in the content utilizing at least the decoding key associated with the content or the steganographic signal.
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Abstract
The present invention provides methods and systems for identifying content to help ensure legal uses of the content. In one implementation a method is provided to include obtaining content, wherein the content comprises a steganographic signal hidden therein through subtle changes to data representing the content; accessing a registry including a plurality of steganographic decoding keys to obtain a key associated with the content, wherein at least some of the keys are encrypted; obtaining the key associated with the content; and decoding the steganographic signal hidden in the content utilizes at least the key associated with the content.
93 Citations
20 Claims
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1. A method comprising:
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obtaining content, wherein the content comprises a steganographic signal hidden therein through subtle changes to data representing the content;
accessing a registry including a plurality of steganographic decoding keys to obtain a decoding key associated with the content, wherein at least some of the keys are encrypted;
obtaining the decoding key associated with the content or the steganographic signal;
decoding the steganographic signal hidden in the content utilizing at least the decoding key associated with the content or the steganographic signal. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method comprising:
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obtaining content, wherein the content comprises a steganographic signal hidden therein through subtle changes to data representing the content, and wherein the steganographic signal comprises at least a message;
decoding the steganographic signal hidden in the content to obtain the message;
encrypting the message;
communicating the encrypted message to an on-line registry; and
receiving at least an acknowledgement from the on-line registry. - View Dependent Claims (9, 10, 11, 12, 13, 20)
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14. A method comprising:
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obtaining content, wherein the content comprises a steganographic signal hidden therein through subtle changes to data representing the content;
accessing a registry including a plurality of steganographic decoding keys to obtain at least one key associated with the content, wherein at least some of the keys are encrypted;
receiving the key associated with the content or the steganographic signal, wherein the key associated with the content is encrypted;
decrypting the key; and
decoding the steganographic signal hidden in the content utilizing at least the key associated with the content or the steganographic signal. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification