Lattice-Based Revocable Certificateless Public Key Encryption for Team Score Orienteering

You Zhao, Mingyan Yan (), Kaien Yan and Juyan Li ()
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You Zhao: College of Physical Education, Harbin University, Harbin 150090, China
Mingyan Yan: College of Data Science and Technology, Heilongjiang University, Harbin 150080, China
Kaien Yan: College of Data Science and Technology, Heilongjiang University, Harbin 150080, China
Juyan Li: College of Data Science and Technology, Heilongjiang University, Harbin 150080, China

Mathematics, 2024, vol. 12, issue 11, 1-20

Abstract: Team score orienteering, a challenging and interesting sport, is gradually becoming known by the majority of sports enthusiasts. Integrating team score orienteering with the Internet can enhance the interactive experience for athletes. However, this integration increases the risk of the leakage of the athletes’ information. In order to protect the privacy of athletes, it is necessary to employ encryption. Therefore, this paper proposes an efficient lattice-based revocable certificateless public key encryption (RCL-PKE) scheme with decryption key exposure resistance (DKER). The adoption of certificateless encryption not only avoids the complex certificate management required for traditional public key encryption, but also addresses the key escrow problem of identity-based encryption, thereby significantly ensuring data security and privacy. Furthermore, the revocable mechanism enables the organizing committee to flexibly manage the athletes’ qualification for competitions, and DKER can effectively prevent the leakage of decryption keys, which further enhances data security. The constructed RCL-PKE scheme was proven to be IND-CPA secure under the learning with errors (LWE) assumption. Experiments indicated that the proposed RCL-PKE scheme had lower computation and communication costs, making it particularly suitable for team score orienteering.

Keywords: decryption key exposure resistance; revocable certificateless public key encryption; team score orienteering; lattice (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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