{"id":"https://openalex.org/W4285310912","doi":"https://doi.org/10.1109/tsc.2022.3174909","title":"A Delegatable Attribute Based Encryption Scheme for a Collaborative E-Health Cloud","display_name":"A Delegatable Attribute Based Encryption Scheme for a Collaborative E-Health Cloud","publication_year":2022,"publication_date":"2022-05-13","ids":{"openalex":"https://openalex.org/W4285310912","doi":"https://doi.org/10.1109/tsc.2022.3174909"},"language":"en","primary_location":{"id":"doi:10.1109/tsc.2022.3174909","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsc.2022.3174909","pdf_url":null,"source":{"id":"https://openalex.org/S204223317","display_name":"IEEE Transactions on Services Computing","issn_l":"1939-1374","issn":["1939-1374","2372-0204"],"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 Transactions on Services Computing","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/A5054991662","display_name":"Harsha S. Gardiyawasam Pussewalage","orcid":"https://orcid.org/0000-0002-3623-3362"},"institutions":[{"id":"https://openalex.org/I200650556","display_name":"University of Agder","ror":"https://ror.org/03x297z98","country_code":"NO","type":"education","lineage":["https://openalex.org/I200650556"]}],"countries":["NO"],"is_corresponding":true,"raw_author_name":"Harsha Sandaruwan Gardiyawasam Pussewalage","raw_affiliation_strings":["Department of Information and Communication Technology, University of Agder (UiA), Grimstad, Norway"],"affiliations":[{"raw_affiliation_string":"Department of Information and Communication Technology, University of Agder (UiA), Grimstad, Norway","institution_ids":["https://openalex.org/I200650556"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035792662","display_name":"Vladimir Oleshchuk","orcid":"https://orcid.org/0000-0002-7905-1016"},"institutions":[{"id":"https://openalex.org/I200650556","display_name":"University of Agder","ror":"https://ror.org/03x297z98","country_code":"NO","type":"education","lineage":["https://openalex.org/I200650556"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Vladimir Oleshchuk","raw_affiliation_strings":["Department of Information and Communication Technology, University of Agder (UiA), Grimstad, Norway"],"affiliations":[{"raw_affiliation_string":"Department of Information and Communication Technology, University of Agder (UiA), Grimstad, Norway","institution_ids":["https://openalex.org/I200650556"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5054991662"],"corresponding_institution_ids":["https://openalex.org/I200650556"],"apc_list":null,"apc_paid":null,"fwci":4.4111,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.95042938,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"16","issue":"2","first_page":"787","last_page":"801"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":1.0,"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":1.0,"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":0.9968000054359436,"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/T11614","display_name":"Cloud Data Security Solutions","score":0.9884999990463257,"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/computer-science","display_name":"Computer science","score":0.7710095643997192},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.7265872359275818},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.7176063060760498},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.684828519821167},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.6822103261947632},{"id":"https://openalex.org/keywords/delegation","display_name":"Delegation","score":0.6694395542144775},{"id":"https://openalex.org/keywords/plaintext","display_name":"Plaintext","score":0.5535915493965149},{"id":"https://openalex.org/keywords/collusion","display_name":"Collusion","score":0.5143224000930786},{"id":"https://openalex.org/keywords/attribute-based-encryption","display_name":"Attribute-based encryption","score":0.4940055012702942},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.45284759998321533},{"id":"https://openalex.org/keywords/flexibility","display_name":"Flexibility (engineering)","score":0.4353090524673462},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.1498188078403473},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.08933937549591064}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7710095643997192},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.7265872359275818},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.7176063060760498},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.684828519821167},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.6822103261947632},{"id":"https://openalex.org/C86532276","wikidata":"https://www.wikidata.org/wiki/Q1184065","display_name":"Delegation","level":2,"score":0.6694395542144775},{"id":"https://openalex.org/C92717368","wikidata":"https://www.wikidata.org/wiki/Q1162538","display_name":"Plaintext","level":3,"score":0.5535915493965149},{"id":"https://openalex.org/C2781198186","wikidata":"https://www.wikidata.org/wiki/Q701521","display_name":"Collusion","level":2,"score":0.5143224000930786},{"id":"https://openalex.org/C7646194","wikidata":"https://www.wikidata.org/wiki/Q4818713","display_name":"Attribute-based encryption","level":4,"score":0.4940055012702942},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.45284759998321533},{"id":"https://openalex.org/C2780598303","wikidata":"https://www.wikidata.org/wiki/Q65921492","display_name":"Flexibility (engineering)","level":2,"score":0.4353090524673462},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.1498188078403473},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.08933937549591064},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","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},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C40700","wikidata":"https://www.wikidata.org/wiki/Q1411783","display_name":"Industrial organization","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsc.2022.3174909","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsc.2022.3174909","pdf_url":null,"source":{"id":"https://openalex.org/S204223317","display_name":"IEEE Transactions on Services Computing","issn_l":"1939-1374","issn":["1939-1374","2372-0204"],"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 Transactions on Services Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5199999809265137,"id":"https://metadata.un.org/sdg/17","display_name":"Partnerships for the goals"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W1500253167","https://openalex.org/W1510795740","https://openalex.org/W1529664688","https://openalex.org/W1582239555","https://openalex.org/W1890078278","https://openalex.org/W1972675802","https://openalex.org/W1976420017","https://openalex.org/W1977411270","https://openalex.org/W1995761541","https://openalex.org/W1998436947","https://openalex.org/W2024649901","https://openalex.org/W2035785484","https://openalex.org/W2036485042","https://openalex.org/W2067095453","https://openalex.org/W2107680054","https://openalex.org/W2108072891","https://openalex.org/W2114428623","https://openalex.org/W2118875948","https://openalex.org/W2123389487","https://openalex.org/W2138001464","https://openalex.org/W2147419555","https://openalex.org/W2154107289","https://openalex.org/W2159274726","https://openalex.org/W2231711433","https://openalex.org/W2307601096","https://openalex.org/W2419438983","https://openalex.org/W2617177542","https://openalex.org/W2765760625","https://openalex.org/W2775504513","https://openalex.org/W2794461956","https://openalex.org/W2896966928","https://openalex.org/W2899765597","https://openalex.org/W2948268454","https://openalex.org/W2971756154","https://openalex.org/W3106671053","https://openalex.org/W4238724643"],"related_works":["https://openalex.org/W2009938035","https://openalex.org/W3143020802","https://openalex.org/W1491837399","https://openalex.org/W3122232980","https://openalex.org/W2272761499","https://openalex.org/W2363272970","https://openalex.org/W2120306875","https://openalex.org/W1888767437","https://openalex.org/W2040300299","https://openalex.org/W2591360249"],"abstract_inverted_index":{"With":[0],"the":[1,13,31,47,50,72,75,89,115,119,122,171],"popularization":[2],"and":[3,114,148],"growing":[4],"utilization":[5],"of":[6,34,42,49,52,74,97,124,126,164],"electronic":[7],"health":[8,53],"records":[9],"(EHRs)":[10],"coupled":[11],"with":[12,109],"advancements":[14],"in":[15,22,25,62,155],"cloud":[16,28],"computing,":[17],"healthcare":[18],"providers":[19],"are":[20,85],"interested":[21],"storing":[23],"EHRs":[24,163],"third-party,":[26],"semi-trusted":[27],"platforms.":[29],"Given":[30],"collaborative":[32],"nature":[33],"modern":[35],"e-health":[36,157],"environments,":[37],"integrating":[38],"access":[39,56,101,138,146],"delegation":[40,57,125,147],"is":[41,112,174],"paramount":[43],"importance":[44],"to":[45,59,159],"strengthen":[46],"flexibility":[48],"sharing":[51],"information.":[54],"However,":[55,106],"has":[58],"be":[60,153],"enforced":[61],"a":[63,130,134],"controlled":[64,145],"manner":[65],"so":[66],"that":[67,91,170],"it":[68,151],"will":[69],"not":[70],"jeopardize":[71],"security":[73],"system.":[76],"For":[77],"such":[78],"applications,":[79],"attribute":[80,186],"based":[81,137],"encryption":[82],"(ABE)":[83],"mechanisms":[84,111],"quite":[86],"useful":[87],"given":[88],"fact":[90],"ABE":[92,110,136],"facilitates":[93],"an":[94,156],"efficient":[95],"way":[96],"enforcing":[98],"secure,":[99],"fine-grained":[100],"control":[102,120,139],"over":[103,121],"encrypted":[104,127],"data.":[105,128],"incorporating":[107],"delegatability":[108],"tricky,":[113],"existing":[116],"schemes":[117],"lack":[118],"process":[123],"As":[129],"solution,":[131],"we":[132,167],"propose":[133],"novel":[135],"scheme":[140,173],"which":[141],"can":[142],"enforce":[143],"multi-level,":[144],"demonstrated":[149],"how":[150],"could":[152],"deployed":[154],"environment":[158],"securely":[160],"share":[161],"outsourced":[162],"patients.":[165],"Furthermore,":[166],"have":[168],"shown":[169],"proposed":[172],"secure":[175],"against":[176],"chosen":[177],"plaintext":[178],"attacks":[179,183],"as":[180,182],"well":[181],"mounted":[184],"via":[185],"collusion.":[187]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":14},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":4}],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-10-10T00:00:00"}
