Web1 de jan. de 2012 · Review of Tassa’s hierarchical threshold secret sharing scheme. In case of hierarchical threshold secret sharing, the set of participants is partitioned into some levels P 0, P 1, … , P m and the access structure is then determined by a sequence of threshold requirements t 0, t 1, … , t m according to their hierarchy. Web4 de jan. de 2007 · Abstract. We consider the problem of threshold secret sharing in groups with hierarchical structure. In such settings, the secret is shared among a group of …

[1409.2037] A Simplified Hierarchical Dynamic Quantum Secret Sharing ...

WebThe construction of secret sharing schemes has received a considerable attention of many searchers whose main goal was to improve the information rate. In this paper, we … WebBlakley and Shamir independently introduce the basic idea of a (k, n) threshold secret sharing scheme in 1979. Shamir also recognize the concept of a hierarchical scheme, and suggests accomplishing the scheme by giving the participants of the more capable levels a greater number of shares. Some of hierarchical secret sharing schemes are known in … phoenix house in ri

Privacy Protection for Social Media Based on A Hierarchical Secret ...

WebSecret sharing is a basic tool in modern communication, which protects privacy and provides information security. Among the secret sharing schemes, fairness is a vital and desirable property. To achieve fairness, the existing secret sharing schemes either require a trusted third party or the execution of a multiround protocol, which are impractical. … Web24 de jan. de 2012 · Abstract: Hierarchical secret sharing is among the most natural generalizations of threshold secret sharing, and it has attracted a lot of attention since the invention of secret sharing until nowadays. Several constructions of ideal hierarchical secret sharing schemes have been proposed, but it was not known what access … WebIn this paper, the definitions are simply as follows.. Multi-Level secret sharing: Higher level participants can help lower participants to get the secret.. Compartmented secret … phoenix house isle of wight