New On-Line Secret Sharing Scheme Using Hash Function (1.School of Electrical and Computer Engineering,Sungkyunkwan Univ,Korea;2.KISA

JI Wen-feng; Soohyun Oh; Seungjoo Kim; Dongho Won

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New On-Line Secret Sharing Scheme Using Hash Function (1.School of Electrical and Computer Engineering,Sungkyunkwan Univ,Korea;2.KISA

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- New On-Line Secret Sharing Scheme Using Hash Function (1.School of Electrical and Computer Engineering,Sungkyunkwan Univ,Korea;2.KISA
- Acta Electronica Sinica Vol. 31, Issue 1, Pages: 59-62(2003)
- 作者机构：
  
  1. 成均馆大学电子电气与计算机工学部,韩国
  2. 韩国情报保护振兴院,韩国
  3. 成均馆大学电子电气与计算机工学部韩国
  4. 韩国情报保护振兴院韩国
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.2
- Published：2003
- 稿件说明：
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JI Wen-feng, Soohyun Oh, Seungjoo Kim, et al. New On-Line Secret Sharing Scheme Using Hash Function (1.School of Electrical and Computer Engineering,Sungkyunkwan Univ,Korea;2.KISA[J]. Acta Electronica Sinica, 2003, 31(1): 59-62.
DOI：

JI Wen-feng, Soohyun Oh, Seungjoo Kim, et al. New On-Line Secret Sharing Scheme Using Hash Function (1.School of Electrical and Computer Engineering,Sungkyunkwan Univ,Korea;2.KISA[J]. Acta Electronica Sinica, 2003, 31(1): 59-62. DOI：

摘要

本文提出一种利用杂凑函数有效的在线秘密分享方式

此秘密分享方式通过一分享情报网可以生成多次秘密分享

使得秘密分享机制是多次性的.既使接入结构(Access Structure)发生变化的情形下

成员的秘密分享值不需改变

只需变更公告牌(Notice board)公开的情报

就可任意次生成系统秘密

任何不诚实的成员不论多少都可以被事后检查出

因计算量小

可在群体协议或群体密码方式中有效的利用.

Abstract

In this paper

we propose an efficient on-line secret sharing scheme using one-way hash function.The proposed scheme provides the property to share multiple secrets and allows participants to be added/deleted dynamically

without having to redistribute new shares.It is able to detect and identify cheaters even if majority of the participants are dishonest

and is more computationally efficient than previous schemes.Therefore

it can be applied to multi-party protocols

group-oriented cryptosystems and etc.

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