{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T12:59:20Z","timestamp":1740142760828,"version":"3.37.3"},"reference-count":19,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2021,12,27]],"date-time":"2021-12-27T00:00:00Z","timestamp":1640563200000},"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\/501100001809","name":"National Science Foundation of China","doi-asserted-by":"publisher","award":["2017YFB0802500","MMJJ20180208"],"award-info":[{"award-number":["2017YFB0802500","MMJJ20180208"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,3,15]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In this paper, we propose a novel cryptographic primitive named reusable group fuzzy extractor (RGFE) allowing any member of a group to extract and reproduce random strings from a fuzzy and non-uniform source of high entropy (called fingerprint). Any group member can anonymously generate a random string for the group using his fingerprint and can be traced when needed, whereas other members can reproduce the string using their own fingerprints. Moreover, a fingerprint can be repeatedly used to generate multiple random strings. Basing on RGFE, we present group-shared Bitcoin wallet, which can be used by a group of users to receive or spend coins via biometrics in a traceable way.<\/jats:p>","DOI":"10.1093\/comjnl\/bxab185","type":"journal-article","created":{"date-parts":[[2021,10,29]],"date-time":"2021-10-29T11:07:45Z","timestamp":1635505665000},"page":"643-661","source":"Crossref","is-referenced-by-count":1,"title":["Reusable Group Fuzzy Extractor and Group-Shared Bitcoin Wallet"],"prefix":"10.1093","volume":"66","author":[{"given":"Jie","family":"Ma","sequence":"first","affiliation":[{"name":"State Key Laboratory of Information Security , Institute of Information Engineering, CAS, Beijing, China"},{"name":"Data Assurance and Communication Security Research Center , CAS, Beijing, China"},{"name":"School of Cyber Security , University of Chinese Academy of Sciences, Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bin","family":"Qi","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Information Security , Institute of Information Engineering, CAS, Beijing, China"},{"name":"Data Assurance and Communication Security Research Center , CAS, Beijing, China"},{"name":"School of Cyber Security , University of Chinese Academy of Sciences, Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kewei","family":"Lv","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Information Security , Institute of Information Engineering, CAS, Beijing, China"},{"name":"Data Assurance and Communication Security Research Center , CAS, Beijing, China"},{"name":"School of Cyber Security , University of Chinese Academy of Sciences, Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2021,12,27]]},"reference":[{"key":"2023031708554335100_","doi-asserted-by":"crossref","first-page":"97","DOI":"10.1137\/060651380","article-title":"Fuzzy extractors: How to generate strong keys from biometrics and other noisy data","volume":"38","author":"Dodis","year":"2008","journal-title":"SIAM J. 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