Encoding and decoding methods in which decryption data is conveyed steganographically within audio or visual content
First Claim
Patent Images
1. A method of processing a content object, comprising:
- steganographically encoding plural-bit decryption instruction data in said object; and
transmitting said encoded object to a recipient;
wherein the recipient needs the decryption instruction data to decrypt data from said object.
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Abstract
A content object is steganographically encoded with plural-bit decryption instruction data. A recipient can decode this decryption data, and apply it to the content.
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Citations
9 Claims
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1. A method of processing a content object, comprising:
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steganographically encoding plural-bit decryption instruction data in said object; and
transmitting said encoded object to a recipient;
wherein the recipient needs the decryption instruction data to decrypt data from said object. - View Dependent Claims (2, 3)
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4. A method of processing a content object, comprising:
- steganographically decoding plural-bit decryption instruction data from said object; and
using said decryption instruction data to decrypt data from said object. - View Dependent Claims (5, 6)
- steganographically decoding plural-bit decryption instruction data from said object; and
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7. A method comprising:
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steganographically encoding a content object with plural-bit decryption instruction data;
providing the encoded object to a recipient;
decoding the decryption instruction data from the encoded content; and
processing the content in accordance with said decoded decryption instruction data. - View Dependent Claims (8, 9)
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Specification