三接收方公钥密码系统

赵琉涛; 钟林; 刘吉东; 王彩群; 吴丹

doi:10.11959/j.issn.2096-109x.2020080

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三接收方公钥密码系统

学术论文 | 更新时间：2024-06-03

- 三接收方公钥密码系统
- Triple receiver public key encryption cryptosystem
- 网络与信息安全学报 2020年6卷第6期页码：128-136
- 作者机构：
  
  1. 北京市计算中心，北京 100094
  2. 北京北科融智云计算科技有限公司，北京100094
  3. 国家计算机网络应急技术处理协调中心，北京 100089
- 作者简介：
  
  [ "赵琉涛（1979- ），男，北京人，北京市计算中心研究员，主要研究方向为信息安全、区块链、高性能计算" ]
  [ "钟林（1987- ），男，四川内江人，博士，北京北科融智云计算科技有限公司工程师，主要研究方向为公钥密码学、区块链技术" ]
  [ "刘吉东（1976- ），男，山东长岛人，北京北科融智云计算科技有限公司工程师，主要研究方向为区块链技术及软件工程实施" ]
  [ "王彩群（1989- ），女，河南商丘人，北京市计算中心高级工程师，主要研究方向为机器学习、区块链、计算材料" ]
  [ "吴丹（1985- ），女，北京人，国家计算机网络应急技术处理协调中心助理研究员，主要研究方向为网络安全" ]
- 基金信息：
  
  2020年北京市科学技术研究院财政专项;Finance Special Project of Beijing Academy of Science and Technology in 2020
- DOI：10.11959/j.issn.2096-109x.2020080
  中图分类号： TP393
- 网络首发：2020-12，
  
  纸质出版：2020-12-15
- 稿件说明：
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赵琉涛, 钟林, 刘吉东, 等. 三接收方公钥密码系统[J]. 网络与信息安全学报, 2020,6(6):128-136.

Liutao ZHAO, Lin ZHONG, Jidong LIU, et al. Triple receiver public key encryption cryptosystem[J]. Chinese Journal of Network and Information Security, 2020, 6(6): 128-136.
赵琉涛, 钟林, 刘吉东, 等. 三接收方公钥密码系统[J]. 网络与信息安全学报, 2020,6(6):128-136. DOI： 10.11959/j.issn.2096-109x.2020080.

Liutao ZHAO, Lin ZHONG, Jidong LIU, et al. Triple receiver public key encryption cryptosystem[J]. Chinese Journal of Network and Information Security, 2020, 6(6): 128-136. DOI： 10.11959/j.issn.2096-109x.2020080.

摘要

提出一种三接收方公钥加密方案，该方案中发送方对消息进行加密，而三接收方均能够使用各自的私钥对消息进行解密。基于双线性映射，构造出两个安全性不同的三接收方公钥加密方案。形式化证明如果间隙双线性Diffie-Hellman问题和计算性Diffie-Hellman问题是困难的，则所提的两个方案分别具有选择明文攻击安全和适应性选择密文攻击安全。所提方案仅增加了一项指数运算和一项哈希运算，就实现了3个独立的接收方，因此该方案效率较高。分析表明，该方案能够提高 TLS 协议的安全性并应用于分级监管公钥密码系统。

Abstract

A triple receiver public key cryptosystem was proposed.In the cryptosystem

a sender encrypted a message and sent to three receivers

while the three receivers were able to decrypt the message with their own private keys.Based on bilinear map

two triple receiver public key encryption schemes with different security were constructed.If the gap bilinear Diffie-Hellman (GBDH) problem and the computational Diffie-Hellman (CDH) problem were proved formally to be intractable

then the two schemes proposed were semantically secure against chosen-plaintext attacks and against adaptive chosen ciphertext attacks respectively.The proposed scheme only added an exponential operation and a hash operation

and constructed three independent receivers which had a high efficiency.Analyses show that proposed scheme can improve the security of TLS protocol and apply to hierarchical public key cryptosystems.

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references

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