Hierarchical secret sharing
Web1 de fev. de 2024 · Tassa T (2007) Hierarchical threshold secret sharing. J Cryptol 20(2):237---264 Google Scholar Digital Library; Tassa T, Dyn N (2009) Multipartite secret sharing by bivariate interpolation. J Cryptol 22(2):227---258 Google Scholar Digital Library; Yang C-N, Ouyang J-F, Harn L (2012) Steganography and authentication in image … 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.
Hierarchical secret sharing
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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 … Web15 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 …
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 … 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. …
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 … Web9 de ago. de 2016 · 9 August 2016. Computer Science. In this work we provide a framework for dynamic secret sharing and present the first dynamic and verifiable hierarchical …
Web5 de nov. de 2024 · Hierarchical Secret Sharing( Tassa Secret Sharing): Tassa introduced the concept of levels in Shamir Secret Sharing to solve the above questions. In brief, no matter how many low-level shares you have, each share produced by his scheme has different level such that “low-level” shares can not recover the secret.
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 … farmers appliances taupoWebSocial 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 published by only one of its owners. Indeed, privacy settings applied to this image are those of its owner and people on the image are not involved in the process. In this paper, we … farmers appreciation day 2022Web1 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 … free online ten key testWeb27 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 secret K is distributed among a finite set of participants P by a special participant called the dealer, in such a way that only predefined subsets of participants can recover the secret after ... farmers appreciation day dodgeville wiWebsharing 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 … free online tennis lessonsWeb1 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 … free online tenancy agreement formWeb20 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 … free online terraria server hosting