{"id":"https://openalex.org/W2980279200","doi":"https://doi.org/10.2298/csis180830029y","title":"Privacy-preserving multi-authority attribute-based encryption with dynamic policy updating in PHR","display_name":"Privacy-preserving multi-authority attribute-based encryption with dynamic policy updating in PHR","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2980279200","doi":"https://doi.org/10.2298/csis180830029y","mag":"2980279200"},"language":"en","primary_location":{"id":"doi:10.2298/csis180830029y","is_oa":true,"landing_page_url":"https://doi.org/10.2298/csis180830029y","pdf_url":"http://www.doiserbia.nb.rs/ft.aspx?id=1820-02141900029Y","source":{"id":"https://openalex.org/S206939107","display_name":"Computer Science and Information Systems","issn_l":"1820-0214","issn":["1820-0214","2406-1018"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310321031","host_organization_name":"ComSIS Consortium","host_organization_lineage":["https://openalex.org/P4310321031"],"host_organization_lineage_names":["ComSIS Consortium"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer Science and Information Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"http://www.doiserbia.nb.rs/ft.aspx?id=1820-02141900029Y","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5001883536","display_name":"Xixi Yan","orcid":"https://orcid.org/0000-0001-6840-6064"},"institutions":[{"id":"https://openalex.org/I4210166499","display_name":"Henan Polytechnic University","ror":"https://ror.org/05vr1c885","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210166499"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xixi Yan","raw_affiliation_strings":["School of Computer Science and Technology, Henan Polytechnic University, Jiaozuo, China","School of Computer Science and Technology, Henan Polytechnic University, Jiaozuo 454003, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Henan Polytechnic University, Jiaozuo, China","institution_ids":["https://openalex.org/I4210166499"]},{"raw_affiliation_string":"School of Computer Science and Technology, Henan Polytechnic University, Jiaozuo 454003, China","institution_ids":["https://openalex.org/I4210166499"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113437716","display_name":"Hao Ni","orcid":null},"institutions":[{"id":"https://openalex.org/I4210166499","display_name":"Henan Polytechnic University","ror":"https://ror.org/05vr1c885","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210166499"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Ni","raw_affiliation_strings":["School of Computer Science and Technology, Henan Polytechnic University, Jiaozuo, China","School of Computer Science and Technology, Henan Polytechnic University, Jiaozuo 454003, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Henan Polytechnic University, Jiaozuo, China","institution_ids":["https://openalex.org/I4210166499"]},{"raw_affiliation_string":"School of Computer Science and Technology, Henan Polytechnic University, Jiaozuo 454003, China","institution_ids":["https://openalex.org/I4210166499"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101500427","display_name":"Yuan Liu","orcid":"https://orcid.org/0009-0000-4959-0273"},"institutions":[{"id":"https://openalex.org/I4210166499","display_name":"Henan Polytechnic University","ror":"https://ror.org/05vr1c885","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210166499"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuan Liu","raw_affiliation_strings":["School of Computer Science and Technology, Henan Polytechnic University, Jiaozuo, China","School of Computer Science and Technology, Henan Polytechnic University, Jiaozuo 454003, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Henan Polytechnic University, Jiaozuo, China","institution_ids":["https://openalex.org/I4210166499"]},{"raw_affiliation_string":"School of Computer Science and Technology, Henan Polytechnic University, Jiaozuo 454003, China","institution_ids":["https://openalex.org/I4210166499"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101744803","display_name":"Dezhi Han","orcid":"https://orcid.org/0000-0001-8861-5461"},"institutions":[{"id":"https://openalex.org/I96733725","display_name":"Shanghai Maritime University","ror":"https://ror.org/04z7qrj66","country_code":"CN","type":"education","lineage":["https://openalex.org/I96733725"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dezhi Han","raw_affiliation_strings":["College of Information Engineering, Shanghai Maritime University, Shanghai, China","College of Information Engineering, Shanghai Maritime University, Shanghai 201306, China"],"affiliations":[{"raw_affiliation_string":"College of Information Engineering, Shanghai Maritime University, Shanghai, China","institution_ids":["https://openalex.org/I96733725"]},{"raw_affiliation_string":"College of Information Engineering, Shanghai Maritime University, Shanghai 201306, China","institution_ids":["https://openalex.org/I96733725"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5001883536"],"corresponding_institution_ids":["https://openalex.org/I4210166499"],"apc_list":null,"apc_paid":null,"fwci":1.5895,"has_fulltext":true,"cited_by_count":27,"citation_normalized_percentile":{"value":0.87995516,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"16","issue":"3","first_page":"831","last_page":"847"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9074000120162964,"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"}},"topics":[{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9074000120162964,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8395549654960632},{"id":"https://openalex.org/keywords/attribute-based-encryption","display_name":"Attribute-based encryption","score":0.7882484197616577},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.7283190488815308},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.6395107507705688},{"id":"https://openalex.org/keywords/ciphertext","display_name":"Ciphertext","score":0.6338300108909607},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.5984755754470825},{"id":"https://openalex.org/keywords/plaintext","display_name":"Plaintext","score":0.5904017090797424},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.5668846368789673},{"id":"https://openalex.org/keywords/access-structure","display_name":"Access structure","score":0.5481111407279968},{"id":"https://openalex.org/keywords/cryptosystem","display_name":"Cryptosystem","score":0.5375117659568787},{"id":"https://openalex.org/keywords/secret-sharing","display_name":"Secret sharing","score":0.45329684019088745},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.4487367272377014},{"id":"https://openalex.org/keywords/data-sharing","display_name":"Data sharing","score":0.4260816276073456},{"id":"https://openalex.org/keywords/on-the-fly-encryption","display_name":"On-the-fly encryption","score":0.4166712462902069},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3905062675476074},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.3582151532173157},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.3534811735153198},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08936464786529541}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8395549654960632},{"id":"https://openalex.org/C7646194","wikidata":"https://www.wikidata.org/wiki/Q4818713","display_name":"Attribute-based encryption","level":4,"score":0.7882484197616577},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.7283190488815308},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.6395107507705688},{"id":"https://openalex.org/C93974786","wikidata":"https://www.wikidata.org/wiki/Q1589480","display_name":"Ciphertext","level":3,"score":0.6338300108909607},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5984755754470825},{"id":"https://openalex.org/C92717368","wikidata":"https://www.wikidata.org/wiki/Q1162538","display_name":"Plaintext","level":3,"score":0.5904017090797424},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.5668846368789673},{"id":"https://openalex.org/C2778950925","wikidata":"https://www.wikidata.org/wiki/Q4672474","display_name":"Access structure","level":4,"score":0.5481111407279968},{"id":"https://openalex.org/C6295992","wikidata":"https://www.wikidata.org/wiki/Q976521","display_name":"Cryptosystem","level":3,"score":0.5375117659568787},{"id":"https://openalex.org/C3087436","wikidata":"https://www.wikidata.org/wiki/Q1386603","display_name":"Secret sharing","level":3,"score":0.45329684019088745},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.4487367272377014},{"id":"https://openalex.org/C2779965156","wikidata":"https://www.wikidata.org/wiki/Q5227350","display_name":"Data sharing","level":3,"score":0.4260816276073456},{"id":"https://openalex.org/C147977885","wikidata":"https://www.wikidata.org/wiki/Q117010","display_name":"On-the-fly encryption","level":3,"score":0.4166712462902069},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3905062675476074},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.3582151532173157},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.3534811735153198},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08936464786529541},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2298/csis180830029y","is_oa":true,"landing_page_url":"https://doi.org/10.2298/csis180830029y","pdf_url":"http://www.doiserbia.nb.rs/ft.aspx?id=1820-02141900029Y","source":{"id":"https://openalex.org/S206939107","display_name":"Computer Science and Information Systems","issn_l":"1820-0214","issn":["1820-0214","2406-1018"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310321031","host_organization_name":"ComSIS Consortium","host_organization_lineage":["https://openalex.org/P4310321031"],"host_organization_lineage_names":["ComSIS Consortium"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer Science and Information Systems","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.2298/csis180830029y","is_oa":true,"landing_page_url":"https://doi.org/10.2298/csis180830029y","pdf_url":"http://www.doiserbia.nb.rs/ft.aspx?id=1820-02141900029Y","source":{"id":"https://openalex.org/S206939107","display_name":"Computer Science and Information Systems","issn_l":"1820-0214","issn":["1820-0214","2406-1018"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310321031","host_organization_name":"ComSIS Consortium","host_organization_lineage":["https://openalex.org/P4310321031"],"host_organization_lineage_names":["ComSIS Consortium"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer Science and Information Systems","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.5199999809265137}],"awards":[{"id":"https://openalex.org/G1231421488","display_name":null,"funder_award_id":"under","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3057017908","display_name":null,"funder_award_id":"6180211","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G391238517","display_name":null,"funder_award_id":", and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4020255992","display_name":null,"funder_award_id":"Project","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5161549270","display_name":null,"funder_award_id":"192102210280","funder_id":"https://openalex.org/F4320327051","funder_display_name":"Science and Technology Department of Henan Province"},{"id":"https://openalex.org/G5219932531","display_name":null,"funder_award_id":"201701","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5760752404","display_name":null,"funder_award_id":"Projects","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5939423041","display_name":null,"funder_award_id":"Technology","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6532554779","display_name":null,"funder_award_id":"61802117","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7856487923","display_name":null,"funder_award_id":"MMJJ20170122","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320327051","display_name":"Science and Technology Department of Henan Province","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2980279200.pdf","grobid_xml":"https://content.openalex.org/works/W2980279200.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W162787226","https://openalex.org/W1498316612","https://openalex.org/W1670326208","https://openalex.org/W1682451491","https://openalex.org/W1763482972","https://openalex.org/W1976420017","https://openalex.org/W1998436947","https://openalex.org/W2009497894","https://openalex.org/W2010302109","https://openalex.org/W2034562114","https://openalex.org/W2071178901","https://openalex.org/W2104863136","https://openalex.org/W2113976134","https://openalex.org/W2119814295","https://openalex.org/W2138001464","https://openalex.org/W2241378342","https://openalex.org/W2289782702","https://openalex.org/W2517983660","https://openalex.org/W2530771206","https://openalex.org/W2743419166","https://openalex.org/W2911976451","https://openalex.org/W2913346281","https://openalex.org/W3007892657","https://openalex.org/W6728137737"],"related_works":["https://openalex.org/W2956058931","https://openalex.org/W2738918538","https://openalex.org/W2380686979","https://openalex.org/W3144611266","https://openalex.org/W3182147107","https://openalex.org/W4283588348","https://openalex.org/W2398009948","https://openalex.org/W2591696897","https://openalex.org/W4383068613","https://openalex.org/W2980279200"],"abstract_inverted_index":{"As":[0],"a":[1,28,63],"new":[2,29],"kind":[3],"of":[4,38,81,97,132,165],"patient-centred":[5],"health-records":[6],"model,":[7],"the":[8,16,47,58,78,82,98,116,143,154,159,163,166,175,184],"personal":[9],"health":[10,21],"record":[11],"(PHR)":[12],"system":[13],"can":[14],"support":[15,129],"patient":[17],"in":[18,61,73,183],"sharing":[19],"his/her":[20],"information":[22],"online.":[23],"Attribute-Based":[24],"Encryption":[25],"(ABE),":[26],"as":[27],"public":[30],"key":[31,59,169],"cryptosystem":[32],"that":[33,51],"guarantees":[34],"fine-grained":[35],"access":[36,121],"control":[37],"outsourced":[39],"encrypted":[40],"data,":[41],"has":[42],"been":[43],"used":[44],"to":[45,104,110,128,147,158],"design":[46],"PHR":[48,74,185],"system.":[49,186],"Considering":[50],"privacy":[52],"preservation":[53],"and":[54,92,123,139,170,174],"policy":[55,71,133],"updating":[56,72,134],"are":[57,126,172],"problems":[60],"PHR,":[62],"privacy-preserving":[64],"multiauthority":[65],"attribute-based":[66],"encryption":[67],"scheme":[68,144],"with":[69],"dynamic":[70],"was":[75],"proposed.":[76],"In":[77,114],"scheme,":[79],"each":[80],"patient?s":[83],"attributes":[84,100],"is":[85,145],"divided":[86],"into":[87],"two":[88],"parts:":[89],"attribute":[90,93],"name":[91],"value.":[94],"The":[95],"values":[96],"user?s":[99,167],"will":[101],"be":[102,148],"hidden":[103],"prevent":[105],"them":[106],"from":[107],"being":[108],"revealed":[109],"any":[111],"third":[112],"parties.":[113],"addition,":[115],"Linear":[117],"Secret-Sharing":[118],"Scheme":[119],"(LSSS)":[120],"structure":[122],"policy-updating":[124],"algorithms":[125],"designed":[127],"all":[130],"types":[131],"(based":[135],"on":[136],"?and?,":[137],"?or?,":[138],"?not?":[140],"operations).":[141],"Finally,":[142],"demonstrated":[146],"secure":[149],"against":[150],"chosen-plaintext":[151],"attack":[152],"under":[153],"standard":[155],"model.":[156],"Compared":[157],"existing":[160],"related":[161],"schemes,":[162],"sizes":[164],"secret":[168],"ciphertext":[171],"reduced,":[173],"lower":[176],"computing":[177],"cost":[178],"makes":[179],"it":[180],"more":[181],"effective":[182]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3}],"updated_date":"2026-03-18T14:38:29.013473","created_date":"2025-10-10T00:00:00"}
