A Privacy Protection Scheme of Certificateless Aggregate Ring Signcryption Based on SM2 Algorithm in Smart Grid

Hongna Song, Zhentao Liu, Teng Wang, Ling Zhao, Haonan Guo and Shuanggen Liu ()
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Hongna Song: School of Business Administration, Henan Polytechnic University, Jiaozuo 454000, China
Zhentao Liu: School of Cyberspace Security, Xi’an University of Posts and Telecommunications, Xi’an 710121, China
Teng Wang: School of Cyberspace Security, Xi’an University of Posts and Telecommunications, Xi’an 710121, China
Ling Zhao: School of Cyberspace Security, Xi’an University of Posts and Telecommunications, Xi’an 710121, China
Haonan Guo: School of Cyberspace Security, Xi’an University of Posts and Telecommunications, Xi’an 710121, China
Shuanggen Liu: School of Cyberspace Security, Xi’an University of Posts and Telecommunications, Xi’an 710121, China

Mathematics, 2024, vol. 12, issue 9, 1-24

Abstract: With the rapid increase in smart grid users and the increasing cost of user data transmission, proposing an encryption method that does not increase the construction cost while increasing the user ceiling has become the focus of many scholars. At the same time, the increase in users will also lead to more security problems, and it is also necessary to solve the privacy protection for users during information transmission. In order to solve the above problems, this paper proposes an aggregated ring encryption scheme based on the SM2 algorithm with special features, referred to as SM2-CLARSC, based on the certificateless ring signcryption mechanism and combining with the aggregate signcryption. SM2-CLARSC is designed to satisfy the basic needs of the smart grid, and it can be resistant to replay attacks, forward security and backward security, etc. It has better security and higher efficiency than existing solutions. Comparing SM2-CLARSC with existing typical solutions through simulation, the result proves that this solution has more comprehensive functions, higher security, and significant computational efficiency improvement.

Keywords: conditional privacy preservation; aggregate signcryption; certificateless ring signcryption; SM2 algorithm (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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