Broadcast Steganography

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Provided by: Stevens Creek Software LLC
Topic: Security
Format: PDF
The authors initiate the study of Broadcast Steganography (BS), an extension of steganography to the multi-recipient setting. BS enables a sender to communicate covertly with a dynamically designated set of receivers, so that the recipients recover the original content, while unauthorized users and outsiders remain unaware of the covert communication. One of their main technical contributions is the introduction of a new variant of anonymous broadcast encryption that they term outsider-Anonymous Broadcast Encryption with pseudorandom ciphertexts (oABE$).
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