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《山东大学学报(理学版)》 ›› 2019, Vol. 54 ›› Issue (1): 88-95.doi: 10.6040/j.issn.1671-9352.2.2018.028

• • 上一篇    

基于区块链的匿名密码货币支付协议

张键红1,2,3,白文乐1*,欧培荣1   

  1. 1.北方工业大学电子与信息工程学院, 北京 100144;2.广西密码学与信息安全重点实验室, 广西 桂林 541004;3.广西师范大学 广西多源信息挖掘与安全重点实验室, 广西 桂林 541004
  • 发布日期:2019-01-23
  • 作者简介:张键红(1975— ), 男, 教授, 研究方向为云安全、密码学、匿名认证. E-mail:zjhncut@163.com*通信作者简介:白文乐(1967— ),男,副教授, 研究方向为通信网安全、无线网络与信号理论. E-mail:bwl@ncut.edu.cn
  • 基金资助:
    北京市自然科学基金项目(4162020);广西密码学与信息安全重点实验室项目资助(GCIS201710);广西多源信息挖掘与安全重点实验室项目资助(MIMS16-01)

Blockchain-based anonymous cryptocurrency payment system

ZHANG Jian-hong1,2,3, BAI Wen-le1*, OU Pei-rong1   

  1. 1. College of Computer Science and Technology, North China University of Technology, Beijing 100144, China;
    2. Guangxi Key Laboratory of Cryptography and Information Security, Guilin 541004, Guangxi, China;
    3. Guangxi Key Lab of Multi-source Information Mining and Security, Guangxi Normal University, Guilin 541004, Guangxi, China
  • Published:2019-01-23

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摘要： 借助Mixcoin模型和代理重签名算法的签名所有权的转化思想,提出了一种基于区块链的匿名密码货币支付系统模型。在支付阶段, 通过利用代理重签名技术把交易用户的签名转换为权威机构的签名,然后通过权威机构的信任背书提高交易的确认速度,从而缩短交易确认时间和阻止了用户的双重花费,提高了交易效率;基于Diffie-Hellman密钥协商思想,利用用户和商家能够产生相同的一次公钥地址作为收款地址,更好地实现了资金流向的匿名性,即实现了交易的隐私保护。最后通过与其它两种方案进行性能比较,所建议的方案综合性能具有较大优势。

关键词: 匿名密码货币, 区块链, 代理重签名, 一次公钥地址, 快速交易确认

Abstract: To achieve the users privacy protection and prevent double-spending as well as quick transaction confirmation, a blockchain-based anonymous cryptocurrency payment system is proposed by utilizing blockchain technique, Mixcoin model and proxy pre-resignature. In the payment phase, the transaction users signature is transformed into the signature of the authorized organization by using the proxy pre-signature, which reduces transaction confirmation time and improves transaction efficiency. Based on Diffie-Hellman key agreement, the common public key which is produced between the user and the merchant is act as the payees account, which realizes the anonymity of payees account well, and implements the transaction privacy protection. Compared with the other two schemes, the proposed scheme has the advantages over the others in terms of general preformation.

Key words: anonymous crypto-currency, blockchain technique, proxy pre-signature, one-time public key address, quick transaction confirmation

中图分类号: 

  • TN918.1
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