Security Analysis and Improvement of an Anonymous Multi-Receiver Signcryption Scheme

LI Hui-xian; JU Long-fei

doi:10.3969/j.issn.0372-2112.2015.11.008

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Security Analysis and Improvement of an Anonymous Multi-Receiver Signcryption Scheme

更新时间：2025-07-16

- Security Analysis and Improvement of an Anonymous Multi-Receiver Signcryption Scheme
- Acta Electronica Sinica Vol. 43, Issue 11, Pages: 2187-2193(2015)
- 作者机构：
  
  西北工业大学计算机学院,陕西,西安,710072
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.61103178);Fundamental Research Funds for the Central Universities (No.3102015JSJ0003);Natural Science Basic Research Program of Shaanxi Province (No.2015JM6294)
- DOI：10.3969/j.issn.0372-2112.2015.11.008
  CLC： TP309
- Published：2015
- 稿件说明：
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LI Hui-xian, JU Long-fei. Security Analysis and Improvement of an Anonymous Multi-Receiver Signcryption Scheme[J]. Acta Electronica Sinica, 2015, 43(11): 2187-2193.
DOI：

LI Hui-xian, JU Long-fei. Security Analysis and Improvement of an Anonymous Multi-Receiver Signcryption Scheme[J]. Acta Electronica Sinica, 2015, 43(11): 2187-2193. DOI： 10.3969/j.issn.0372-2112.2015.11.008.

摘要

2011年

庞等人利用拉格朗日插值多项式方法构造了一个新的基于身份的多接收者匿名签密方案

并声称在其方案中任何攻击者或合法接收者都无法获取其他合法接收者的身份信息

从而能够保护接收者隐私.本文对庞等人的多接收者签密方案进行安全性分析

发现其方案中任何接收者对于其他接收者都无法实现匿名.同时

本文在其方案基础上进行改进

提出了一种改进方案

以弥补其安全缺陷.最后在随机预言模型下

对改进方案的正确性和接收者匿名性进行了证明.

Abstract

In 2011

Pang et al proposed a new multi-receiver ID-based anonymous signcryption scheme by using Lagrange interpolating polynomial.They announced that their scheme makes it impossible for an attacker or any other message receivers to derive the identity of a message receiver such that the privacy of each receiver can be guaranteed.In this work

we studied the security of Pang et al's anonymous multi-receiver signcryption scheme.It is regretful that we found a receiver is not really anonymous to any other receivers in Pang et al's scheme.In order to solve this security defect

an improved scheme was proposed.Finally

the improved scheme was proved to satisfy the correctness and receiver anonymity in the random oracle model.

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Related Institution

PLA Information Engineering University

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