Adaptively Secure On-line/Off-line Threshold Signatures

被引:0
|
作者
Gao, Chong-zhi [1 ]
Tang, Chunming [2 ]
Yao, Zheng-an [3 ]
Xie, Dongqing [1 ]
机构
[1] Guangzhou Univ, Sch Comp Sci, Guangzhou 510006, Guangdong, Peoples R China
[2] Guangzhou Univ, Inst Informat Secur, Guangzhou 510006, Guangdong, Peoples R China
[3] Sun Yat Sen Univ, Coll Math, Guangzhou 510275, Guangdong, Peoples R China
关键词
Signature Schemes; Threshold Signature Scheme; On-line/Off-line;
D O I
10.1109/NSWCTC.2009.354
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
On-line/Off-line threshold signatures are used in a distributed network environment where n entities need to jointly create a signature as soon as possible once the message to be signed is presented. In 2006 and 2007, Crutchfield et al. and Bresson et al. proposed two on-line/off-line threshold signature schemes which are secure only against static adversaries and tolerate up to [n/3] - 1 malicious players. Based on any existing secure threshold signature scheme, we construct an efficient on-line/off-line threshold signature scheme which is adaptively secure and has optimal resilient robustness.
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页码:508 / +
页数:2
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