具有多接收者的抗泄露匿名密钥封装机制

周彦伟; 韩宇; 徐然; 王佳

doi:10.12263/DZXB.20221124

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具有多接收者的抗泄露匿名密钥封装机制

学术论文 | 更新时间：2025-12-11

- 具有多接收者的抗泄露匿名密钥封装机制
- Leakage-Resilient Key Encapsulation Mechanism with Anonymity and Multi-Receiver
- 电子学报 2023年51卷第12期页码：3431-3436
- 作者机构：
  
  1.陕西师范大学计算机科学学院，陕西西安 710119
  2.陕西师范大学信息化建设与管理处，陕西西安 710119
- 作者简介：
  
  [ "周彦伟男，1986年4月出生于甘肃省通渭县.现为陕西师范大学计算机科学学院副教授、硕士生导师.在国内外学术期刊发表论文80余篇.主要研究方向为密码学、信息安全.E-mail: zyw@snnu.edu.cn" ]
  [ "韩宇女，2000年4月出生于山西省太原市.现为陕西师范大学计算机科学学院硕士研究生." ]
  徐然女，1999年10月出生于山东省泰安市.现为陕西师范大学计算机科学学院硕士研究生.
  王佳（通讯作者）女，1988年11月出生于陕西省榆林市.现为陕西师范大学信息化建设与管理处工程师.E-mail: wangjia@snnu.edu.cn
- 基金信息：
  
  国家自然科学基金(62272287)
- DOI：10.12263/DZXB.20221124
  中图分类号： TP309
- 收稿：2022-10-09，
  
  修回：2023-07-30，
  
  纸质出版：2023-12-25
- 稿件说明：
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周彦伟,韩宇,徐然等.具有多接收者的抗泄露匿名密钥封装机制[J].电子学报,2023,51(12):3431-3436.

ZHOU Yan-wei,HAN Yu,XU Ran,et al.Leakage-Resilient Key Encapsulation Mechanism with Anonymity and Multi-Receiver[J].ACTA ELECTRONICA SINICA,2023,51(12):3431-3436.
周彦伟,韩宇,徐然等.具有多接收者的抗泄露匿名密钥封装机制[J].电子学报,2023,51(12):3431-3436. DOI： 10.12263/DZXB.20221124.

ZHOU Yan-wei,HAN Yu,XU Ran,et al.Leakage-Resilient Key Encapsulation Mechanism with Anonymity and Multi-Receiver[J].ACTA ELECTRONICA SINICA,2023,51(12):3431-3436. DOI： 10.12263/DZXB.20221124.

摘要

基于证书的密码体制在继承传统公钥基础设施和身份基密码体制优势的同时，避免了证书管理和密钥托管等不足.为了向基于证书的密钥封装机制提供匿名性和抗泄露攻击的能力，本文提出具有多接收者的抗泄露匿名密钥封装机制的形式化定义及抵抗泄露攻击的安全模型，并给出具体的实例化构造；同时基于判定的Diffie-Hellman假设的困难性，对上述实例泄露容忍的选择明文攻击安全性进行了证明.与现有相关构造相比，本文方案不仅具有匿名性、泄露容忍性和多接收者等更优的性能，而且当为多个用户生成封装密钥时具有更优的计算效率.

Abstract

Certificate-based cryptography combines the best aspects of identity-based encryption (implicit certification management) and public key encryption (no key escrow). To provide the ability of broadcast communication and leakage resilience for the certificate-based key encapsulation mechanism

a new cryptographic primitive

called leakage-resilient key encapsulation mechanism with anonymity and multi-receiver

is proposed in this paper; the formal definition and the leakage-resilient security model of our proposal are also described. The concrete construction of the above cryptographic primitive is created

and the corresponding leakage-resilient chosen-plaintext attacks security is proved based on the hardness of the decisional Diffie-Hellman assumption. The corresponding analysis shows that our scheme has better performance in anonymity

leakage resilience

and multi-receiver and so on; also

better computational efficiency can be achieved when generating encapsulation keys for multiple users.

关键词

Keywords

references

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