On the Security of a Pairing-Free Certificateless Signcryption Scheme

被引：3

作者：

Zhang, Jianhong ^{[1
,2
]}

Mao, Jian ^{[3
]}

机构：

[1] North China Univ Technol, Coll Sci, Beijing 100144, Peoples R China

[2] Guangxi Key Lab Multisource Informat Min & Secur, Guilin, Peoples R China

[3] Beihang Univ, Sch Elect & Informat Engn, Beijing, Peoples R China

来源：

COMPUTER JOURNAL | 2018年 / 61卷 / 04期

关键词：

certificateless signcryption; unforgeability; security analysis; attack; bilinear pairing;

D O I：

10.1093/comjnl/bxx081

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

Unforgeability is an important security property in signcryption. Recently, Yu et al. proposed a pairing-free and secure certificateless signcryption scheme and demonstrated their scheme was provably secure in the random oracle model. Unfortunately, in this letter, we show their scheme is insecure against the malicious KGC and the malicious sender through proposing two concrete attacks.

引用

页码：469 / 471

页数：3

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