[Resource Topic] 2009/365: Space Efficient Secret Sharing: A Recursive Approach

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Title:
Space Efficient Secret Sharing: A Recursive Approach

Authors: Abhishek Parakh, Subhash Kak

Abstract:

This paper presents a k-threshold secret sharing technique that distributes a secret S into shares of size |S|/(k-1), where |S| denotes the secret size. This bound is close to the optimal bound of |S|/k, if the secret is to be recovered from k shares. The proposed scheme makes use of repeated polynomial interpolation. Our technique has potential applications in secure and reliable storage of information on the Web and in sensor networks.

ePrint: https://eprint.iacr.org/2009/365

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