Attack and improvement of a certificateless aggregate signature scheme

DU Hongzhen; WEN Qiaoyan

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Attack and improvement of a certificateless aggregate signature scheme

更新时间：2023-12-11

- Attack and improvement of a certificateless aggregate signature scheme
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 56, Issue 1, Pages: 77-84(2017)
- 作者机构：
  
  1. 宝鸡文理学院数学与信息科学学院,陕西,宝鸡,721013
  2. 
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2017，
  
  Published Online：25 January 2017，
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DU Hongzhen, WEN Qiaoyan. Attack and improvement of a certificateless aggregate signature scheme. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 56(1):77-84(2017)
DOI：

DU Hongzhen, WEN Qiaoyan. Attack and improvement of a certificateless aggregate signature scheme. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 56(1):77-84(2017) DOI：

摘要

聚合签名因其在物联网中的广泛应用而成为数字签名技术研究的热点。Ming等(2014)提出了一个高效的无证书聚合签名方案，但Zhang等(2015)指出Ming方案不能抵抗类型II敌手的攻击，并给出了Ming方案的2种改进。指出Zhang等的第二个改进方案是不安全的，通过构造具体的攻击方法，证明了第二个方案无法抵抗类型II敌手的攻击。接着基于Ming方案构造了一个新的无证书聚合签名方案，在随机预言机模型下证明了新方案是安全的，且方案生成的聚合签名长度是固定的，很适合于物联网应用环境。

Abstract

Aggregate signature becomes a hot topic in the digital signature technology researches because of its wide application in the Internet of Things. Ming et al. (2014) proposed an efficient certificateless aggregate signature scheme. But Zhang et al. (2015) showed the scheme is not secure against a Type II adversary

and then they proposed an improvement of Ming's scheme. However

it is pointed out that the improved scheme is still insecure against a Type II adversary by giving specific attacks. Then

based on Ming's scheme

a new certificateless aggregate signature scheme is constructed. The new scheme is provablysecure in the random oracle model and the length of aggregate signature is constant so that it is suitable for the Internet of Things.

关键词

无证书公钥密码聚合签名不可伪造性

Keywords

certificateless public key cryptographyaggregate signatureunforgeability

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