期刊
IEEE SYSTEMS JOURNAL
卷 16, 期 2, 页码 2391-2400出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSYST.2020.3048972
关键词
Public key; Servers; Encryption; Smart devices; Receivers; Protocols; Keyword search; Equality test; identity -based cryptography (IBC); public key infrastructure (PKI); signcryption; wireless body area networks (WBANs)
类别
资金
- Natural Science Foundation of China [U1936101]
- 13th Five-Year Plan of National Cryptography Development Fund for Cryptographic Theory of China [MMJJ20170204]
The proposed heterogeneous signcryption scheme transitions from IBC to PKI, allowing sensors to signcrypt data using public keys and enabling cloud servers to conduct equality tests to determine if ciphertexts contain the same plaintext, with rigorous analysis and experimental comparison demonstrating the security and efficiency of the approach.
The signcryption protocols supporting the equality test are only for a single system rather than a flexible heterogeneous environment of wireless body area networks (WBANs). In this article, this problem is efficiently addressed through a proposed heterogeneous signcryption scheme from identity-based cryptosystem (IBC) to public key infrastructure (PKI) with an equality test (HSCIP-ET) for WBANs. Our scheme allows the sensors planted or worn by a user in the IBC system to signcrypt sensitive data using the public key of the management center in the PKI system, and then uploading it to the cloud server. Subsequently, the equality test can be executed by the cloud server on diverse ciphertexts to determine whether they contain the identical plaintext and return the corresponding result after receiving a request from an application provider. Furthermore, a rigorous analysis and an experimental comparison demonstrate the security and efficiency of the HSCIP-ET approach, respectively.
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