{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T19:04:23Z","timestamp":1778785463233,"version":"3.51.4"},"reference-count":22,"publisher":"Oxford University Press (OUP)","issue":"11","license":[{"start":{"date-parts":[[2022,9,9]],"date-time":"2022-09-09T00:00:00Z","timestamp":1662681600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2017YFB0802000"],"award-info":[{"award-number":["2017YFB0802000"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61802242"],"award-info":[{"award-number":["61802242"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["U2001205"],"award-info":[{"award-number":["U2001205"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Sichuan Science and Technology Program","award":["2020JDJQ0076"],"award-info":[{"award-number":["2020JDJQ0076"]}]},{"name":"Research Funds of Guangxi Key Laboratory of Cryptography and Information Security","award":["GCIS202108"],"award-info":[{"award-number":["GCIS202108"]}]},{"name":"Research Funds of Henan Key Laboratory of Network Cryptography Technology","award":["LNCT2021-A04"],"award-info":[{"award-number":["LNCT2021-A04"]}]},{"name":"Research Funds of Science and Technology on Communication Security Laboratory","award":["6142103010708"],"award-info":[{"award-number":["6142103010708"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,11,14]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>To ensure privacy and security of healthcare wireless medical sensor networks (HWMSNs), several concrete constructions of efficient certificateless aggregate signature (CLAS) scheme without bilinear pairing were proposed in the last few years. However, many previous constructions of CLAS scheme were found to be impractical, which either fail to meet the claimed security or contain design flaws. For example, in some of the previous proposals, any adversary can forge a valid signature on any new message. In this paper, we first demonstrate some security issues and design flaws in the previous proposals of CLAS scheme. As follows, to further address the above deficiencies, a new construction of CLAS scheme with improved security is presented, and the formal security proof is given using Forking Lemma in the random oracle model, assuming that the discrete logarithm problem is hard. Compared with the previous CLAS schemes, our construction has similar computational costs, and it provides better security guarantees. Therefore, compared with the existing solutions, our proposal with strong security and high computational efficiency is more suitable for use in HWMSNs.<\/jats:p>","DOI":"10.1093\/comjnl\/bxac123","type":"journal-article","created":{"date-parts":[[2022,9,10]],"date-time":"2022-09-10T05:19:01Z","timestamp":1662787141000},"page":"2810-2824","source":"Crossref","is-referenced-by-count":10,"title":["A Novel Construction Of Certificateless Aggregate Signature Scheme For Healthcare Wireless Medical Sensor Networks"],"prefix":"10.1093","volume":"66","author":[{"given":"Zirui","family":"Qiao","sequence":"first","affiliation":[{"name":"School of Computer Science, Shaanxi Normal University , Xi\u2019an, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qiliang","family":"Yang","sequence":"additional","affiliation":[{"name":"Shanghai Development Center of Computer Software Technology , Shanghai, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanwei","family":"Zhou","sequence":"additional","affiliation":[{"name":"School of Computer Science, Shaanxi Normal University , Xi\u2019an, China"},{"name":"Science and Technology on Communication Security Laboratory , Chengdu, China"},{"name":"Guangxi Key Laboratory of Cryptography and Information Security, Guilin University of Electronic Technology , Guilin, China"},{"name":"Henan Key Laboratory of Network Cryptography Technology , Zhengzhou, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bo","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Computer Science, Shaanxi Normal University , Xi\u2019an, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mingwu","family":"Zhang","sequence":"additional","affiliation":[{"name":"Guangxi Key Laboratory of Cryptography and Information Security, Guilin University of Electronic Technology , Guilin, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2022,9,9]]},"reference":[{"key":"2023111618465263500_ref1","doi-asserted-by":"crossref","first-page":"9064","DOI":"10.1109\/JIOT.2019.2927089","article-title":"Aim\u00e9 Lay-Ekuakille: Efficient and Secure Pairing-Free Certificateless Aggregate Signature Scheme for Healthcare Wireless Medical Sensor Networks","volume":"6","author":"Gayathri","year":"2019","journal-title":"IEEE Internet Things J."},{"key":"2023111618465263500_ref2","doi-asserted-by":"crossref","first-page":"5256","DOI":"10.1109\/JIOT.2020.2979613","article-title":"Improved Security of a Pairing-Free Certificateless Aggregate Signature in Healthcare Wireless Medical Sensor Networks","volume":"7","author":"Liu","year":"2020","journal-title":"IEEE Internet Things J."},{"key":"2023111618465263500_ref3","doi-asserted-by":"crossref","DOI":"10.1016\/j.jisa.2019.102429","article-title":"Certificateless searchable public key encryption scheme secure against keyword guessing attacks for smart healthcare","volume":"50","author":"Ma","year":"2020","journal-title":"Journal of Information Security and Applications."},{"key":"2023111618465263500_ref4","first-page":"76","article-title":"Zhen Yan, Xi Jun Lin, Qi Zhang","volume":"462","author":"Haipeng","year":"2018","journal-title":"Lin Sun. 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