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Survey Paper | Computer Science & Engineering | India | Volume 3 Issue 4, April 2014 | Popularity: 6.4 / 10

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Study of Secret Sharing Schemes Using Access Structure

Ashwini Satpute, Reshma Batule, Shweta Wakalkar, Pooja Shelar

Abstract: Secret sharing schemes (SSS) are used to distribute a highly sensitive secret among a group of individuals so that only when an authorized group of them come together can the secret be reconstructed. The set of these authorized groups is called the access structure. In the outline of threshold schemes, we wanted out of n participants to be able to determine the key. In practice, it is often needed to specify exactly which subset of participants should be able to determine the key and those that should not. The access structure describes all the authorized subsets to design the access structure with required capabilities. In this paper, we have proposed a novel secret sharing scheme with General access structures that is based on the Key-Lock-Pair mechanism. In this paper, associated with each access or is only a key, and associated with each resource is only a lock, and through simple operations on the keys and locks, privacy decisions of the protection system can be revealed. The different qualified subset of participants can cooperate to reconstruct the shared secret, and no unqualified participants can reconstruct the corresponding shared secret.

Keywords: General Access Structure, Secret sharing, Threshold Scheme, KeLock Pair Mechanism, Qualified subset, Forbidden subset

Edition: Volume 3 Issue 4, April 2014

Pages: 751 - 753

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