{"id":"https://openalex.org/W3033597179","doi":"https://doi.org/10.1109/jiot.2020.2999350","title":"A Flexible Privacy-Preserving Data Sharing Scheme in Cloud-Assisted IoT","display_name":"A Flexible Privacy-Preserving Data Sharing Scheme in Cloud-Assisted IoT","publication_year":2020,"publication_date":"2020-06-01","ids":{"openalex":"https://openalex.org/W3033597179","doi":"https://doi.org/10.1109/jiot.2020.2999350","mag":"3033597179"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2020.2999350","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2020.2999350","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Internet of Things Journal","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5021101025","display_name":"Hua Deng","orcid":"https://orcid.org/0000-0002-0089-0870"},"institutions":[{"id":"https://openalex.org/I16609230","display_name":"Hunan University","ror":"https://ror.org/05htk5m33","country_code":"CN","type":"education","lineage":["https://openalex.org/I16609230"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hua Deng","raw_affiliation_strings":["College of Computer Science and Electronic Engineering, Hunan University, Changsha, China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science and Electronic Engineering, Hunan University, Changsha, China","institution_ids":["https://openalex.org/I16609230"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035491991","display_name":"Zheng Qin","orcid":"https://orcid.org/0000-0003-0877-3887"},"institutions":[{"id":"https://openalex.org/I16609230","display_name":"Hunan University","ror":"https://ror.org/05htk5m33","country_code":"CN","type":"education","lineage":["https://openalex.org/I16609230"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng Qin","raw_affiliation_strings":["College of Computer Science and Electronic Engineering, Hunan University, Changsha, China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science and Electronic Engineering, Hunan University, Changsha, China","institution_ids":["https://openalex.org/I16609230"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072122717","display_name":"Letian Sha","orcid":"https://orcid.org/0009-0007-5547-3728"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Letian Sha","raw_affiliation_strings":["College of Computer, Nanjing University of Posts and Telecommunications, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"College of Computer, Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049649023","display_name":"Hui Yin","orcid":"https://orcid.org/0000-0001-8960-887X"},"institutions":[{"id":"https://openalex.org/I198357462","display_name":"Changsha University","ror":"https://ror.org/011d8sm39","country_code":"CN","type":"education","lineage":["https://openalex.org/I198357462"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Yin","raw_affiliation_strings":["College of Computer Engineering and Applied Mathematics, Changsha University, Changsha, China"],"affiliations":[{"raw_affiliation_string":"College of Computer Engineering and Applied Mathematics, Changsha University, Changsha, China","institution_ids":["https://openalex.org/I198357462"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5021101025"],"corresponding_institution_ids":["https://openalex.org/I16609230"],"apc_list":null,"apc_paid":null,"fwci":5.6244,"has_fulltext":false,"cited_by_count":56,"citation_normalized_percentile":{"value":0.96599066,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"7","issue":"12","first_page":"11601","last_page":"11611"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9998999834060669,"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":0.9998999834060669,"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9984999895095825,"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/T10270","display_name":"Blockchain Technology Applications and Security","score":0.9914000034332275,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.8425886034965515},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8213430643081665},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.7407800555229187},{"id":"https://openalex.org/keywords/credential","display_name":"Credential","score":0.6689062118530273},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.579755961894989},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.5733543634414673},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.5180949568748474},{"id":"https://openalex.org/keywords/data-sharing","display_name":"Data sharing","score":0.4995551109313965},{"id":"https://openalex.org/keywords/delegation","display_name":"Delegation","score":0.47868233919143677},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4322901666164398},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.06631284952163696}],"concepts":[{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.8425886034965515},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8213430643081665},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.7407800555229187},{"id":"https://openalex.org/C2777810591","wikidata":"https://www.wikidata.org/wiki/Q16861606","display_name":"Credential","level":2,"score":0.6689062118530273},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.579755961894989},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5733543634414673},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.5180949568748474},{"id":"https://openalex.org/C2779965156","wikidata":"https://www.wikidata.org/wiki/Q5227350","display_name":"Data sharing","level":3,"score":0.4995551109313965},{"id":"https://openalex.org/C86532276","wikidata":"https://www.wikidata.org/wiki/Q1184065","display_name":"Delegation","level":2,"score":0.47868233919143677},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4322901666164398},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.06631284952163696},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"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/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2020.2999350","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2020.2999350","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Internet of Things Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G21373290","display_name":null,"funder_award_id":"2019M662769","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G2293335685","display_name":null,"funder_award_id":"61862012","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G251628540","display_name":null,"funder_award_id":"61772191","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2540788264","display_name":null,"funder_award_id":"61902123","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2919143448","display_name":null,"funder_award_id":"2020JJ5085","funder_id":"https://openalex.org/F4320322843","funder_display_name":"Natural Science Foundation of\u00a0Hunan Province"},{"id":"https://openalex.org/G7781764659","display_name":null,"funder_award_id":"61972058","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/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320322843","display_name":"Natural Science Foundation of\u00a0Hunan Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W127178821","https://openalex.org/W1498316612","https://openalex.org/W1590823599","https://openalex.org/W1592092778","https://openalex.org/W1890078278","https://openalex.org/W1963941691","https://openalex.org/W2076046175","https://openalex.org/W2086298846","https://openalex.org/W2108072891","https://openalex.org/W2115062372","https://openalex.org/W2124645100","https://openalex.org/W2138001464","https://openalex.org/W2152924492","https://openalex.org/W2218489740","https://openalex.org/W2273675851","https://openalex.org/W2563571786","https://openalex.org/W2585696635","https://openalex.org/W2592035421","https://openalex.org/W2610487593","https://openalex.org/W2627093154","https://openalex.org/W2745062479","https://openalex.org/W2774002561","https://openalex.org/W2779765840","https://openalex.org/W2784314688","https://openalex.org/W2788404774","https://openalex.org/W2792089928","https://openalex.org/W2793914140","https://openalex.org/W2801332928","https://openalex.org/W2808804937","https://openalex.org/W2891171053","https://openalex.org/W2892289067","https://openalex.org/W2907058664","https://openalex.org/W2910911598","https://openalex.org/W2911776770","https://openalex.org/W2922446486","https://openalex.org/W2939009479","https://openalex.org/W2947778026","https://openalex.org/W2953871054","https://openalex.org/W2964063558","https://openalex.org/W3128663643"],"related_works":["https://openalex.org/W2389256677","https://openalex.org/W2013502867","https://openalex.org/W2353766896","https://openalex.org/W1986630940","https://openalex.org/W1859642347","https://openalex.org/W2123415650","https://openalex.org/W4387081478","https://openalex.org/W1806141658","https://openalex.org/W2071043234","https://openalex.org/W1620731006"],"abstract_inverted_index":{"Cloud-assisted":[0],"Internet":[1],"of":[2,15,35,217],"Things":[3],"(IoT)":[4],"has":[5],"become":[6],"an":[7,112],"increasingly":[8],"popular":[9],"technological":[10],"trend":[11],"as":[12],"the":[13,24,33,42,51,59,63,68,72,76,89,109,127,147,155,159,179,183,196,214,218],"performance":[14],"IoT":[16,29,39,73,113,128,175,206],"applications":[17],"can":[18,66,115,130,152,177],"be":[19,83],"greatly":[20],"improved":[21],"by":[22,62,121],"delegating":[23],"cloud":[25,148,184,203],"to":[26,41,49,82,118,136,146,168,182],"manage":[27],"massive":[28],"data.":[30,69],"To":[31],"protect":[32],"confidentiality":[34],"data":[36,52,64,78,101,117,157,180],"outsourced":[37,181],"from":[38],"devices":[40],"cloud,":[43],"cryptographic":[44],"mechanisms":[45],"are":[46,166],"usually":[47],"employed":[48],"encrypt":[50,116],"in":[53,71,105,185],"such":[54],"a":[55,98,119,132,138,169,186],"way":[56],"that":[57,150,165,195],"only":[58],"user":[60,114,129],"designated":[61,91],"owner":[65],"decrypt":[67],"However,":[70],"multiuser":[74],"environment,":[75],"encrypted":[77,156],"may":[79],"also":[80],"need":[81],"shared":[84],"with":[85],"more":[86],"users":[87,176],"beyond":[88],"initially":[90],"one.":[92],"In":[93,172],"this":[94,144,173],"article,":[95],"we":[96],"propose":[97],"flexible":[99,187],"privacy-preserving":[100,189],"sharing":[102],"(FPDS)":[103],"scheme":[104,198],"cloud-assisted":[106],"IoT.":[107],"With":[108],"FPDS":[110,197],"scheme,":[111],"recipient":[120],"using":[122],"identity-based":[123],"encryption.":[124],"More":[125],"importantly,":[126],"specify":[131],"fine-grained":[133],"access":[134,160],"policy":[135,161],"generate":[137],"delegation":[139],"credential,":[140],"and":[141,188,204,210],"then":[142],"send":[143],"credential":[145],"so":[149],"it":[151],"convert":[153],"all":[154],"satisfying":[158],"into":[162],"new":[163,170],"ciphertexts":[164],"readable":[167],"recipient.":[171],"way,":[174],"share":[178],"manner.":[190],"Detailed":[191],"security":[192],"analysis":[193],"shows":[194],"is":[199],"secure":[200],"against":[201],"semitrusted":[202],"malicious":[205],"users.":[207],"Thorough":[208],"theoretical":[209],"experimental":[211],"analyses":[212],"demonstrate":[213],"high":[215],"efficiency":[216],"scheme.":[219]},"counts_by_year":[{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":20},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}