Reexamining the security of the improved quantum secret sharing scheme
✍ Scribed by Gan Gao
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- English
- Weight
- 133 KB
- Volume
- 282
- Category
- Article
- ISSN
- 0030-4018
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Based on the famous quantum secure direct communication protocol (i.e., the Bostro ¨m-Felbinger protocol) [Phys. Rev. Lett. 89 (2002) 187902] and its improvements, we propose a scheme of multiparty quantum secret sharing of classical messages (QSSCM), in which no subset of all the classical message
AbstracL A secret sharing scheme permits a secret to be shared among participants in such a way that only qualified subsets of participants can recover the secret, but any nonqualified subset has absolutely no information on the secret. The set of all qualified subsets defines the access structure t
In the comment, we show that the attack [G. Gao, Opt. Commun. 43 (2010) 902], which claims to be able to eavesdrop all the transmitted secret message of the improved three-party quantum secret sharing protocol [S. Lin, et al., Opt. Commun. 281 (2008) 4553], is invalid in the sense that it introduces
In a secret sharing scheme a dealer has a secret key. There is a finite set P of participants and a set F of subsets of P. A secret sharing scheme with F as the access structure is a method which the dealer can use to distribute shares to each participant so that a subset of participants can determi