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Published in:
2015 | OriginalPaper | Chapter
Audio Secret Management Scheme Using Shamir’s Secret Sharing
Authors : M. Abukari Yakubu, Namunu C. Maddage, Pradeep K. Atrey
Published in: MultiMedia Modeling
Publisher: Springer International Publishing
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Audio Secret Sharing (ASS) is a technique used to protect audio data from tampering and disclosure by dividing it into shares such that qualified shares can reconstruct the original audio data. Existing ASS schemes encrypt binary secret messages and rely on the human auditory system for decryption by simultaneously playing authorized shares. This decryption approach tends to overburden the human auditory system when the number of shares used to reconstruct the secret increases [3]. Furthermore, it does not create room for further analysis or computation to be performed on the reconstructed secret since decryption ends at the human auditory system. Additionally, schemes in [2], [3], [4], [6] do not extend to the general (k, n) threshold. In this paper we propose an ASS scheme based on Shamir’s secret sharing, which is (k, n) threshold, ideal2, and information theoretically secure and it provides computationally efficient decryption.