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In this paper, we point out flaws in an existing verifiably multiplicative secret sharing (VMSS) scheme. Namely, we show that a scheme proposed by Yoshida and Obana presented at ICITS 2017 is insecure...
A dealer-free and non-interactive dynamic threshold secret sharing scheme has been proposed by Harn et.al., in 2015. In this scheme, a (t; n) secret sharing scheme in secret reconstruction phase can t...
Typically, when secrecy multiplication is performed in multiparty computation using Shamir’s (k,n) threshold secret sharing scheme, the result is a polynomial with degree of 2k-2 instead of k-1. This ...
Sharing a secret efficiently amongst a group of participants is not easy since there is always an adversary / eavesdropper trying to retrieve the secret. In secret sharing schemes, every participant i...
In 2010, Resch and Plank proposed a computationally secure secret sharing scheme, called the AONT-RS scheme. We present a generalisation of their scheme and discuss two ways in which information is ...
In this paper, we present an efficient k-out-of-n secret sharing scheme, which can identify up to t rushing cheaters, with probability at least 1−ϵ, where 0<ϵ<1/2, provided tTh...
Shamir’s secret sharing scheme is an effective way to distribute secret to a group of shareholders. But this scheme is vulnerable to cheaters and attackers and thus how to protect the system from ch...
A necessary and sufficient condition for the asymptotic idealness of the AsmuthBloom threshold secret sharing scheme is proposed. Apart from this, a comprehensive analysis of the known variants of t...
How to construct an ideal multi-secret sharing scheme for general access structures is difficult. In this paper, we solve an open problem proposed by Spiez et al.recently [Finite Fields and Their Appl...
Visual Secret Sharing (VSS), first invented by Naor and Shamir, is a variant of secret sharing. In the literature, VSS schemes have many applications, including visual authentication and identificatio...
Visual Secret Sharing (VSS), first invented by Naor and Shamir, is a variant of secret sharing. In the literature, VSS schemes have many applications, including visual authentication and identificatio...
Visual Secret Sharing (VSS), first invented by Naor and Shamir, is a variant of secret sharing. In the literature, VSS schemes have many applications, including visual authentication and identificatio...
Cryptographic algorithms embedded on physical devices are particularly vulnerable to Side Channel Analysis (SCA). The most common countermeasure for block cipher implementations is masking, which rand...
The design of rational cryptographic protocols is a recently created research area at the intersection of cryptography and game theory. At TCC'10, Fuchsbauer \emph{et al.} introduced two equilibrium n...
In this paper, we consider the problem of k-out-of-n secret sharing scheme, capable of identifying t cheaters. We design a very simple k-out-of-n secret sharing scheme, which can identify up to t chea...

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