A New Identity-Based Threshold Ring Signature Scheme

被引：0

作者：

Xu, Feng ^{[1
]}

Lv, Xin ^{[1
]}

机构：

[1] Hohai Univ, HHU, Coll Comp & Informat, Nanjing, Peoples R China

来源：

2011 IEEE INTERNATIONAL CONFERENCE ON SYSTEMS, MAN, AND CYBERNETICS (SMC) | 2011年

关键词：

ring signature; discrete logarithm problem; bilinear pairings; secret sharing; unforgeability;

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Aiming at the security problems existed in most identity-based threshold ring signature (ITRS) schemes, including poor security and inefficient in verifying, a new ITRS scheme is proposed. We significantly enhance the security of signature key by using bilinear pairings and secret sharing techniques. Our analysis indicates that the proposed scheme achieves unconditional anonymity and unforgeability. A security problem (ring member-changing attack) also can be solved. Compared to the congener schemes, ours is much more efficient in signing process.

引用

页码：2646 / 2651

页数：6

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