Security analysis of batch verification on identity-based signature schemes

被引:0
|
作者
Chiang, Han-Fei [1 ]
Yen, Sung-Ming [1 ]
Lin, Hsi-Chung [1 ]
机构
[1] Natl Cent Univ, Dept Comp Sci & Informat Engn, Lab Cryptog & Informat Secur, Jhongli 32001, Taiwan
关键词
batch verification; digital signature; identity-based cryptography; signature screening;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Batch verification can improve efficiency when the verifier has to verify a great deal of signatures. With the rising interests on pairing-based cryptography, many researches on identity-based signatures have been proposed. Furthermore, some new researches on enhancing performance of verifying identity-based signatures by a batch verification have also been reported. Another possible weaker but faster batch checking of signatures, named as the batch screening, has been considered in the literature. This paper considers the security of recent batch verification schemes, and a new attack on one identity-based signature scheme with batch screening is proposed. Then, we point, out that a previous attack on another identity-based signature scheme with batch screening is inappropriate due to the misunderstanding of the difference between batch screening and verification.
引用
收藏
页码:50 / +
页数:2
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