Recursive Secret Sharing for Distributed Storage and Information Hiding

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Executive Summary

This paper presents a recursive computational multi-secret sharing technique that hides k - 2 secrets of size b each into n shares of a single secret S of size b, such that any k of the n shares suffice to recreate the secret S as well as all the hidden secrets. This may act as a steganographic channel to transmit hidden information or used for authentication and verification of shares and the secret itself. Further, such a recursive technique may be used as a computational secret sharing technique that has potential applications in secure and reliable storage of information on the Web, in sensor networks and information dispersal schemes.

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