Improving quantum secret-sharing schemes
نویسندگان
چکیده
منابع مشابه
Quantum Secret Sharing Schemes
Nascimento et al. [19] introduced a quantum information theoretical model for Quantum Secret Sharing (QSS) schemes. In this thesis, we describe existing schemes, such as the construction using Monotone Span Programs (MSPs) [16], according to this model. Moreover, the correctness of these schemes is proved in an information theoretical way. In particular, we consider the so-called pure state QSS...
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A secret sharing scheme is a cryptographic protocol to distribute a secret state in an encoded form among a group of players such that only authorized subsets of the players can reconstruct the secret. Classically, efficient secret sharing schemes have been shown to be induced by matroids. Furthermore, access structures of such schemes can be characterized by an excluded minor relation. No such...
متن کاملQuantum secret sharing schemes and reversibility of quantum operations
Tomohiro Ogawa,* Akira Sasaki, Mitsugu Iwamoto, and Hirosuke Yamamoto Graduate School of Information Science and Technology, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656 Japan Sumitomo Mitsui Banking Corporation, 1–3–2, Marunouchi, Chiyoda-ku, Tokyo 100-0005 Japan Graduate School of Information Systems, University of Electro-Communications, 1-5-1 Chofugaoka, Chofu-shi, Tokyo, 18...
متن کاملAnonymous Secret Sharing Schemes
In this paper we study anonymous secret sharing schemes. Informally, in an anonymous secret sharing scheme the secret can be reconstructed without knowledge of which participants hold which shares. In such schemes the computation of the secret can be carried out by giving the shares to a black box that does not know the identities of the participants holding those shares. Phillips and Phillips ...
متن کاملOn Secret Sharing Schemes
The concept of secret sharing has been introduced independently by Shamir and Blakley, as a tool to protect a secret from getting exposed or from being lost. It allows a so-called dealer to share a secret among the members of a set P , which are usually called players or participants, in such a way that only certain specified subsets of players are able to reconstruct the secret while smaller s...
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ژورنال
عنوان ژورنال: Physical Review A
سال: 2001
ISSN: 1050-2947,1094-1622
DOI: 10.1103/physreva.64.042311