Hierarchical secret sharing

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August undefined, 2024

WebWe consider the problem of threshold secret sharing in groups with hierarchical structure. In such settings, the secret is shared among a group of participants that is partitioned … Websharing a secret among the participants of U such that only subsets in ¡ (that is referred to as the access structure) may recover the secret, while all other subsets cannot; this …

Ideal Hierarchical Secret Sharing Schemes - IEEE Xplore

Web20 de jul. de 2024 · Multipartite secret sharing schemes are those that have multipartite access structures. The set of the participants in those schemes is divided into several parts, and all the participants in the same part play the equivalent role. One type of such access structure is the compartmented access structure, and the other is the hierarchical … WebHierarchical secret sharing schemes are known for the way the secret is shared among a group of participants that is partitioned into levels. We examine these schemes in terms of how easily they delete a secret after it is distributed or namely for cases where the reliability of data deletion depends on deletion of the indispensable participants' share. incentives award program umd

A Hierarchical Secret Sharing Scheme over Finite Fields of ...

WebHierarchical access structures have been widely adopted in secret sharing schemes, where efficiency is the primary consideration for various applications. How to design an efficient hierarchical secret sharing scheme is an important issue. A famous hierarchical secret sharing (HSS) scheme was proposed by Tassa based on Birkhoff interpolation. Web27 de mar. de 2024 · In this paper we continue a study of secret sharing schemes for-access structures based on graphs. Given a graph G, we require that a subset of … Web1 de mai. de 2008 · A verifiable secret redistribution (VSR) scheme is a verifiable secret sharing scheme in which the shareholders can redistribute the secret from an old (t, n)-threshold access structure to a new (t ′, n ′)-threshold access structure without reconstructing the secret and without interacting with the dealer.There exists an … incentives bachelorarbeit

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

Hierarchical Quantum Secret Sharing Based On Special High …

WebTo this end, we deﬁne hierarchical secret sharing as follows: Deﬁnition 1. Let U be a set of n participants and assume that U is composed of levels, i.e., U = m i=0 Ui where … 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 propose a novel construction of a secret sharing scheme which is based on the hierarchical concept of companies illustrated through its organization chart and represented by a ... income inequality in malaysiaWeb1 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. incentives at sea

"Web6 de fev. de 2007 · We consider the problem of threshold secret sharing in groups with hierarchical structure. In such settings, the secret is shared among a group of … " - Hierarchical secret sharing

Hierarchical secret sharing

Web5 de nov. de 2024 · In a (2, 3)-threshold signature sharing, a dealer can generate two different levels of shares by Hierarchical secret sharing. Here we assume that there are two low level shares with one high level ... Websharing a secret among the participants of U such that only subsets in ¡ (that is referred to as the access structure) may recover the secret, while all other subsets cannot; this makes sense, of-course, only if the access structure is monotone in the sense that if B 2 ¡ then any superset of B also belongs to ¡. There are many real-life examples of threshold secret …

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Web6 de fev. de 2024 · 4. HTSS based on smart contract. Based on the above secret sharing smart contract, we propose a fair HTSS scheme. Initialization phase: (1) Let a set of n … WebA secret sharing scheme is called ideal if it is perfect and the information rate equals one. In other words, if the size of every bit of the shares equals the bit size of the secret, the …

Web1 de mai. de 2024 · From Table 1, in Tassa’s scheme [8], the distributor must perform possibly exponential checks when assigning identities and shares to the participants.Even though Chen et al. [13] gave a hierarchical secret sharing scheme based on the integer polymatroids, the non-singularity of many matrices should be checked, which is because … Web1 de mar. de 2024 · We propose a new (n,n) multi-secret images sharing scheme that provides high level of provable security with fast sharing and reconstruction ... (2012) A hierarchical threshold secret image sharing. Pattern Recognit Lett 33:83---91 Google Scholar Digital Library; Horng G, Chen T, Tsai DS (2006) Cheating in visual …

Web6 de mai. de 2024 · Hierarchical threshold secret sharing (HTSS) schemes can be thought as a generalization of classical threshold secret sharing schemes, and they have been … 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 …

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. …

Web31 de mai. de 2015 · This article introduces sequential secret sharing (SQS), as an application of dynamic threshold schemes, and presents the construction and compares it with other hierarchical secret sharing schemes such as disjunctive and conjunctive multilevel secret sharing protocols. Due to the rapid growth of the next generation … income inequality in marriageWebIn 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 … incentives automotive industryWeb27 de mar. de 2024 · An ideal hierarchical secret sharing scheme. One of the methods used in order to protect a secret K is a secret sharing scheme. In this scheme the … income inequality in economicsWeb15 de set. de 2024 · Abstract. Hierarchical secret sharing schemes are known for the way the secret is shared among a group of participants that is partitioned into levels. We examine these schemes in terms of how easily they delete a secret after it is distributed or namely for cases where the reliability of data deletion depends on deletion of the … incentives babylonWebHierarchical secret sharing schemes are known for the way the secret is shared among a group of participants that is partitioned into levels. We examine these schemes in terms … income inequality in new zealandWebSocial network development raises many issues relating to privacy protection for images. In particular, multi-party privacy protection conflicts can take place when an image is … income inequality in latin americaWeb29 de abr. de 2013 · In terms of share’s capabilities, two classes can be identified-same weighted shares and multi weighted shares. In Shamir’s hierarchical secret sharing scheme the dealer assigns a larger number of shares to users at higher levels of hierarchy, so that higher level users hold more shares than lower level users. income inequality in oecd countries