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Security Analysis of the First Certificateless Proxy Signature Scheme Against Malicious-But-Passive KGC Attacks
The Computer Journal ( IF 1.5 ) Pub Date : 2020-08-05 , DOI: 10.1093/comjnl/bxaa105
Xi-Jun Lin 1 , Qihui Wang 1 , Lin Sun 2 , Zhen Yan 1 , Peishun Liu 1
Affiliation  

Recently, Yang et al. proposed the first certificateless proxy signature scheme against malicious-but-passive key generation center (MKGC) attacks. They proved that their scheme can resist the MKGC attacks in the standard model. In this paper, we point out that their scheme cannot achieve this security because the adversary can forge valid signatures.

中文翻译:

第一个针对恶意但被动的KGC攻击的无证书代理签名方案的安全性分析

最近,Yang等。提出了第一个针对恶意但被动的密钥生成中心(MKGC)攻击的无证书代理签名方案。他们证明了他们的方案可以抵抗标准模型中的MKGC攻击。在本文中,我们指出他们的方案无法实现这种安全性,因为对手可以伪造有效的签名。
更新日期:2020-08-08
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