The Multi-receiver Encryption(MRE)scheme can meet the secure data transmission requirements in multicast and broadcast scenarios.To meet compliance,critical information infrastructure in China should be protected with...The Multi-receiver Encryption(MRE)scheme can meet the secure data transmission requirements in multicast and broadcast scenarios.To meet compliance,critical information infrastructure in China should be protected with Chinese national commercial cryptographic algorithms.Designing an MRE scheme based on Elliptic Curve Cryptography(ECC)is one of the current design methods with better flexibility and performance.However,the research on MRE schemes based on SM2 elliptic curve public-key cryptography is still in a blank state.This paper proposes a Certificateless SM2-based Multireceiver Encryption(CL-SM2-MRE)scheme.We prove the security of the CL-SM2-MRE scheme under the Random Oracle Model(ROM)and analyze the performance.展开更多
基金The work was supported by the National Key Research and Development Program of China(2021YFA1000600)the National Natural Science Foundation of China(U21A20466,62272350,U1865202)+3 种基金the Special Project on Science and Technology Program of Hubei Province,China(2020AEA013,2021BAA025)the Fok Ying Tung Foundation,China(171057)the National Cryptography Development Fund,China(MMJJ20180105)the Fundamental Research Funds for Central Public Welfare Research Institutes of China(CKSF2019526/TG3).
文摘The Multi-receiver Encryption(MRE)scheme can meet the secure data transmission requirements in multicast and broadcast scenarios.To meet compliance,critical information infrastructure in China should be protected with Chinese national commercial cryptographic algorithms.Designing an MRE scheme based on Elliptic Curve Cryptography(ECC)is one of the current design methods with better flexibility and performance.However,the research on MRE schemes based on SM2 elliptic curve public-key cryptography is still in a blank state.This paper proposes a Certificateless SM2-based Multireceiver Encryption(CL-SM2-MRE)scheme.We prove the security of the CL-SM2-MRE scheme under the Random Oracle Model(ROM)and analyze the performance.
