{"id":"https://openalex.org/W3005604394","doi":"https://doi.org/10.3390/info11020111","title":"An ECDSA Approach to Access Control in Knowledge Management Systems Using Blockchain","display_name":"An ECDSA Approach to Access Control in Knowledge Management Systems Using Blockchain","publication_year":2020,"publication_date":"2020-02-17","ids":{"openalex":"https://openalex.org/W3005604394","doi":"https://doi.org/10.3390/info11020111","mag":"3005604394"},"language":"en","primary_location":{"id":"doi:10.3390/info11020111","is_oa":true,"landing_page_url":"https://doi.org/10.3390/info11020111","pdf_url":"https://www.mdpi.com/2078-2489/11/2/111/pdf?version=1582968032","source":{"id":"https://openalex.org/S4210219776","display_name":"Information","issn_l":"2078-2489","issn":["2078-2489"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2078-2489/11/2/111/pdf?version=1582968032","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5086624206","display_name":"Gabriel Nyame","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Gabriel Nyame","raw_affiliation_strings":["School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China"],"raw_orcid":"https://orcid.org/0000-0002-1548-4306","affiliations":[{"raw_affiliation_string":"School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045032131","display_name":"Zhiguang Qin","orcid":"https://orcid.org/0000-0001-6745-6377"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiguang Qin","raw_affiliation_strings":["School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013437764","display_name":"Kwame Opuni-Boachie Obour Agyekum","orcid":"https://orcid.org/0000-0002-7935-9950"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kwame Opuni-Boachie Obour Agyekum","raw_affiliation_strings":["School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China"],"raw_orcid":"https://orcid.org/0000-0002-7935-9950","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024115557","display_name":"Emmanuel Boateng Sifah","orcid":"https://orcid.org/0000-0002-9033-0825"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Emmanuel Boateng Sifah","raw_affiliation_strings":["School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5086624206"],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":{"value":1600,"currency":"CHF","value_usd":1782},"apc_paid":{"value":1600,"currency":"CHF","value_usd":1782},"fwci":10.0689,"has_fulltext":false,"cited_by_count":57,"citation_normalized_percentile":{"value":0.98035025,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"11","issue":"2","first_page":"111","last_page":"111"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10270","display_name":"Blockchain Technology Applications and Security","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10270","display_name":"Blockchain Technology Applications and Security","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10927","display_name":"Access Control and Trust","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/blockchain","display_name":"Blockchain","score":0.8441076874732971},{"id":"https://openalex.org/keywords/role-based-access-control","display_name":"Role-based access control","score":0.8399240970611572},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.8032232522964478},{"id":"https://openalex.org/keywords/immutability","display_name":"Immutability","score":0.7388010621070862},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7037992477416992},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.6689138412475586},{"id":"https://openalex.org/keywords/flexibility","display_name":"Flexibility (engineering)","score":0.6046968698501587},{"id":"https://openalex.org/keywords/transparency","display_name":"Transparency (behavior)","score":0.5635714530944824},{"id":"https://openalex.org/keywords/smart-contract","display_name":"Smart contract","score":0.55448317527771},{"id":"https://openalex.org/keywords/authentication","display_name":"Authentication (law)","score":0.48361077904701233},{"id":"https://openalex.org/keywords/knowledge-management","display_name":"Knowledge management","score":0.3224905729293823}],"concepts":[{"id":"https://openalex.org/C2779687700","wikidata":"https://www.wikidata.org/wiki/Q20514253","display_name":"Blockchain","level":2,"score":0.8441076874732971},{"id":"https://openalex.org/C45567728","wikidata":"https://www.wikidata.org/wiki/Q1702839","display_name":"Role-based access control","level":3,"score":0.8399240970611572},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.8032232522964478},{"id":"https://openalex.org/C2776126399","wikidata":"https://www.wikidata.org/wiki/Q3942906","display_name":"Immutability","level":3,"score":0.7388010621070862},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7037992477416992},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.6689138412475586},{"id":"https://openalex.org/C2780598303","wikidata":"https://www.wikidata.org/wiki/Q65921492","display_name":"Flexibility (engineering)","level":2,"score":0.6046968698501587},{"id":"https://openalex.org/C2780233690","wikidata":"https://www.wikidata.org/wiki/Q535347","display_name":"Transparency (behavior)","level":2,"score":0.5635714530944824},{"id":"https://openalex.org/C2779950589","wikidata":"https://www.wikidata.org/wiki/Q7544035","display_name":"Smart contract","level":3,"score":0.55448317527771},{"id":"https://openalex.org/C148417208","wikidata":"https://www.wikidata.org/wiki/Q4825882","display_name":"Authentication (law)","level":2,"score":0.48361077904701233},{"id":"https://openalex.org/C56739046","wikidata":"https://www.wikidata.org/wiki/Q192060","display_name":"Knowledge management","level":1,"score":0.3224905729293823},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/info11020111","is_oa":true,"landing_page_url":"https://doi.org/10.3390/info11020111","pdf_url":"https://www.mdpi.com/2078-2489/11/2/111/pdf?version=1582968032","source":{"id":"https://openalex.org/S4210219776","display_name":"Information","issn_l":"2078-2489","issn":["2078-2489"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:eb97cdbec2ac4cc5b03832c4c52a0f2a","is_oa":true,"landing_page_url":"https://doaj.org/article/eb97cdbec2ac4cc5b03832c4c52a0f2a","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Information, Vol 11, Iss 2, p 111 (2020)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2078-2489/11/2/111/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/info11020111","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Information","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/info11020111","is_oa":true,"landing_page_url":"https://doi.org/10.3390/info11020111","pdf_url":"https://www.mdpi.com/2078-2489/11/2/111/pdf?version=1582968032","source":{"id":"https://openalex.org/S4210219776","display_name":"Information","issn_l":"2078-2489","issn":["2078-2489"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1894562329","display_name":"\u57fa\u4e8e\u573a\u666f\u7684\u7535\u5b50\u533b\u7597\u4fe1\u606f\u7684\u8bb0\u5f55\u673a\u5236\u4e0e\u4fe1\u606f\u91cd\u653e\u65b9\u6cd5\u7814\u7a76","funder_award_id":"61300090","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G363116282","display_name":null,"funder_award_id":"U1401257","funder_id":"https://openalex.org/F4320336213","funder_display_name":"National Natural Science Foundation of China-Guangdong Joint Fund"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320336213","display_name":"National Natural Science Foundation of China-Guangdong Joint Fund","ror":null}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3005604394.pdf"},"referenced_works_count":48,"referenced_works":["https://openalex.org/W137962550","https://openalex.org/W1531837588","https://openalex.org/W1682451491","https://openalex.org/W1964165926","https://openalex.org/W1973760022","https://openalex.org/W1974197419","https://openalex.org/W1977699326","https://openalex.org/W1985656666","https://openalex.org/W1987208189","https://openalex.org/W1992324015","https://openalex.org/W2003736153","https://openalex.org/W2005725110","https://openalex.org/W2009192444","https://openalex.org/W2010023949","https://openalex.org/W2036378739","https://openalex.org/W2069196751","https://openalex.org/W2081186654","https://openalex.org/W2098118776","https://openalex.org/W2101969617","https://openalex.org/W2110707467","https://openalex.org/W2153645753","https://openalex.org/W2156665851","https://openalex.org/W2166602595","https://openalex.org/W2170713814","https://openalex.org/W2537766016","https://openalex.org/W2543951827","https://openalex.org/W2547926833","https://openalex.org/W2746553616","https://openalex.org/W2771747728","https://openalex.org/W2781897602","https://openalex.org/W2789901505","https://openalex.org/W2790587587","https://openalex.org/W2790604341","https://openalex.org/W2803371618","https://openalex.org/W2885100636","https://openalex.org/W2885238350","https://openalex.org/W2903429044","https://openalex.org/W2903823367","https://openalex.org/W3011321959","https://openalex.org/W3151748982","https://openalex.org/W4211068006","https://openalex.org/W4232585812","https://openalex.org/W4249563443","https://openalex.org/W4255206755","https://openalex.org/W4388147587","https://openalex.org/W6605646639","https://openalex.org/W6637293744","https://openalex.org/W6728783085"],"related_works":["https://openalex.org/W2372156812","https://openalex.org/W4391375891","https://openalex.org/W3092702943","https://openalex.org/W4297798448","https://openalex.org/W2374393728","https://openalex.org/W2386545329","https://openalex.org/W4391241361","https://openalex.org/W2382286253","https://openalex.org/W2356011375","https://openalex.org/W1795360416"],"abstract_inverted_index":{"Access":[0],"control":[1,42],"has":[2,55],"become":[3],"problematic":[4],"in":[5,12,29,32,83,131],"several":[6],"organizations":[7],"because":[8],"of":[9,121],"the":[10,30,53,94,115,132],"difficulty":[11],"establishing":[13],"security":[14,54],"and":[15,35,81,93,100,112],"preventing":[16],"malicious":[17],"users":[18,28],"from":[19],"mimicking":[20],"roles.":[21],"Moreover,":[22],"there":[23],"is":[24,79,129,140],"no":[25],"flexibility":[26],"among":[27],"participation":[31],"their":[33],"roles,":[34],"even":[36],"controlling":[37],"them.":[38],"Several":[39],"role-based":[40],"access":[41],"(RBAC)":[43],"mechanisms":[44],"have":[45],"been":[46,57],"proposed":[47],"to":[48,73,125],"alleviate":[49],"these":[50],"problems,":[51],"but":[52],"not":[56],"fully":[58],"realized.":[59],"In":[60],"this":[61],"work,":[62],"however,":[63],"we":[64],"present":[65,108],"an":[66,118],"RBAC":[67,122],"model":[68,92,123],"based":[69],"on":[70],"blockchain":[71],"technology":[72],"enhance":[74],"user":[75],"authentication":[76],"before":[77],"knowledge":[78,85,101],"accessed":[80],"utilized":[82],"a":[84],"management":[86],"system":[87,91,139],"(KMS).":[88],"Our":[89],"blockchain-based":[90],"smart":[95,109],"contract":[96,110],"ensure":[97],"that":[98,137],"transparency":[99],"resource":[102],"immutability":[103],"are":[104],"achieved.":[105],"We":[106],"also":[107],"algorithms":[111],"discussions":[113],"about":[114],"model.":[116],"As":[117],"essential":[119],"part":[120],"applied":[124],"KMS":[126],"environment,":[127],"trust":[128],"ensured":[130],"network.":[133],"Evaluation":[134],"results":[135],"show":[136],"our":[138],"efficient.":[141]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":11},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":11},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":11},{"year":2020,"cited_by_count":6}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}
