Results 101 to 110 of about 1,284,942 (303)

Generalized Secret Sharing with Linear Hierarchical Secrets

open access: yes, 2014
[[abstract]]Generalized secret sharing is a method of constructing secret sharing from the perspective of access structure. In this paper, we propose a novel solution for achieving generalized secret sharing with linear hierarchical secrets.
Chen, Xi;Chen, Xi;Liu, Yun;Liu, Yun;張真誠;CHang, Chin-Chen;Guo, Cheng;Guo, Cheng
core  

A Unified Approach to Secret Sharing Schemes with Low Distribution Cost [PDF]

open access: yes, 2012
[[abstract]]In secret sharing schemes, the secret holder has to distribute secret shares to each participant before distributing the secrets. To distribute or redistribute shares is a very costly process with respect to both time and resources.
Chien, Hung-Yu; Jan, Jinn-Ke; Tseng, Yuh-Min
core  

What Do We Know About Scope 3 Emissions in Small‐ and Medium‐Sized Enterprises? Mapping Current Knowledge and Advancing a Theory–Practice‐Oriented Framework

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Although SMEs comprise over 90% of firms globally, research on their engagement with Scope 3 (value‐chain) greenhouse gas emissions remains limited. This PRISMA‐guided systematic review synthesises 49 SME‐relevant studies to develop a theory‐informed, practice‐oriented framework for more credible and sustained Scope 3 engagement.
Chidinma Uchendu   +5 more
wiley   +1 more source

On secret-sharing matroids

open access: yesJournal of Combinatorial Theory, Series B, 1992
A matroid \(M\) is secret-sharing if there is a finite set \(S\) and a matrix \(A=\{a_{ij}:i\in I, j\in E(M)\}\) with entries in \(S\) such that for all \(X\subseteq E(M)\), the submatrix \(\{a_{ij}:i\in I, j\in X\}\) has precisely \(| S|^{rk(x)}\) distinct rows. The author shows that the Vamos matroid is not secret-sharing.
openaire   +2 more sources

Rational Secret Sharing with and without Synchronous Broadcast, Conspicuous Secrets, Malicious Players and Unbounded Opponents

open access: yes, 2012
In secret sharing we are asked to split a secret into several shares in such a way that a minimum number of shares is necessary and sufficient to reconstruct the secret.
Gidney, Craig
core  

Cheating prevention in linear secret sharing

open access: yes, 2002
Cheating detection in linear secret sharing is considered. The model of cheating extends the Tompa-Woll attack and includes cheating during multiple (unsuccessful) recovery of the secret.
Josef Pieprzyk   +3 more
core   +1 more source

From Managing Innovation to Governing Value: Reconceptualizing the Role of Intellectual Property in the Sustainable Business Model

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT The role of intellectual property (IP) in promoting or hindering sustainable innovation now forms a topical issue in innovation management. Its role in the sustainable business model remains imperfectly understood however, creating a simplified view of IP in relation to corporate sustainable development. Hence, this study sought to examine how
Sarah van Santen
wiley   +1 more source

How Circular Innovation Is Learned: A Process Study of Modularity‐Based Initiatives in Industrial Firms

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Circular innovation (CI) research has identified a wide range of circular strategies and design approaches, yet offers limited insight into how CI evolves as a learning process within firms and which governance mechanisms guide this progression. Drawing on organizational learning (OL), this study examines how exploration and exploitation shape
Shamima Haque   +2 more
wiley   +1 more source

An improved boolean-based multiple secret images sharing scheme for different sized secret images

open access: yes, 2016
碩士本論文提出一個可以處理相異尺寸的多重秘密影像分享技術,在此技術中又有兩種處理方式,先將不同尺寸的秘密影像做統一的處理,再利用雜湊函數還有亂數種子產生出亂數影像,透過亂數影像和秘密影像做布林函式運算,最後產出分享影像,在處理的過程中都是利用基本運算,所以在效能上有很好的效率,在安全性上也達成了秘密影像分享的效果,最後更能處理更多不同尺寸的影像。相較其他學者所提出的分享方法,本論文針對多樣性及安全性兩方面做了更佳的改進。在安全性方面,本文採取有幾張秘密影像就生成幾張亂數影像,在得到分享影像時 ...
陳駿龍;Chen, Jyun-Long
core   +1 more source

Hypergraph decomposition and secret sharing

open access: yesDiscrete Applied Mathematics, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
G. Di Crescenzo, GALDI, CLEMENTE
openaire   +5 more sources

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