{"id":"https://openalex.org/W2593738891","doi":"https://doi.org/10.1109/tdsc.2019.2908164","title":"Crypt-DAC: Cryptographically Enforced Dynamic Access Control in the Cloud","display_name":"Crypt-DAC: Cryptographically Enforced Dynamic Access Control in the Cloud","publication_year":2019,"publication_date":"2019-03-29","ids":{"openalex":"https://openalex.org/W2593738891","doi":"https://doi.org/10.1109/tdsc.2019.2908164","mag":"2593738891"},"language":"en","primary_location":{"id":"doi:10.1109/tdsc.2019.2908164","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tdsc.2019.2908164","pdf_url":null,"source":{"id":"https://openalex.org/S133795288","display_name":"IEEE Transactions on Dependable and Secure Computing","issn_l":"1545-5971","issn":["1545-5971","1941-0018","2160-9209"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","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 Dependable and Secure 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/A5021497508","display_name":"Saiyu Qi","orcid":"https://orcid.org/0000-0002-0394-4432"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]},{"id":"https://openalex.org/I4210132990","display_name":"State Key Laboratory of Cryptology","ror":"https://ror.org/02pn5rj08","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210132990"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Saiyu Qi","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks (ISN), Xidian University, Xi\u2019an, Shaanxi, China","The State Key Laboratory of Cryptology, Beijing, China","State Key Laboratory of Integrated Service Networks (ISN), Xidian University, Xi'an, Shaanxi, China"],"raw_orcid":"https://orcid.org/0000-0002-0394-4432","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks (ISN), Xidian University, Xi\u2019an, Shaanxi, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"The State Key Laboratory of Cryptology, Beijing, China","institution_ids":["https://openalex.org/I4210132990"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks (ISN), Xidian University, Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091556511","display_name":"Yuanqing Zheng","orcid":"https://orcid.org/0000-0003-3096-687X"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yuanqing Zheng","raw_affiliation_strings":["Department of Computing, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0003-3096-687X","affiliations":[{"raw_affiliation_string":"Department of Computing, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5021497508"],"corresponding_institution_ids":["https://openalex.org/I149594827","https://openalex.org/I4210132990"],"apc_list":null,"apc_paid":null,"fwci":3.3379,"has_fulltext":false,"cited_by_count":36,"citation_normalized_percentile":{"value":0.93779365,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"18","issue":"2","first_page":"765","last_page":"779"},"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/T11614","display_name":"Cloud Data Security Solutions","score":0.9994999766349792,"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/T11424","display_name":"Security and Verification in Computing","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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8274645209312439},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.7736992835998535},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.6130878925323486},{"id":"https://openalex.org/keywords/upload","display_name":"Upload","score":0.6026490926742554},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.5429522395133972},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.49075278639793396},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.4397605061531067},{"id":"https://openalex.org/keywords/revocation","display_name":"Revocation","score":0.43433570861816406},{"id":"https://openalex.org/keywords/attribute-based-encryption","display_name":"Attribute-based encryption","score":0.4275962710380554},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.41915658116340637},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.3965868055820465},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.387765496969223},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.2637292146682739}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8274645209312439},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.7736992835998535},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.6130878925323486},{"id":"https://openalex.org/C71901391","wikidata":"https://www.wikidata.org/wiki/Q7126699","display_name":"Upload","level":2,"score":0.6026490926742554},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5429522395133972},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.49075278639793396},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.4397605061531067},{"id":"https://openalex.org/C2775892892","wikidata":"https://www.wikidata.org/wiki/Q6509517","display_name":"Revocation","level":3,"score":0.43433570861816406},{"id":"https://openalex.org/C7646194","wikidata":"https://www.wikidata.org/wiki/Q4818713","display_name":"Attribute-based encryption","level":4,"score":0.4275962710380554},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.41915658116340637},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.3965868055820465},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.387765496969223},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.2637292146682739},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tdsc.2019.2908164","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tdsc.2019.2908164","pdf_url":null,"source":{"id":"https://openalex.org/S133795288","display_name":"IEEE Transactions on Dependable and Secure Computing","issn_l":"1545-5971","issn":["1545-5971","1941-0018","2160-9209"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","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 Dependable and Secure Computing","raw_type":"journal-article"},{"id":"pmh:oai:ira.lib.polyu.edu.hk:10397/95605","is_oa":false,"landing_page_url":"http://hdl.handle.net/10397/95605","pdf_url":null,"source":{"id":"https://openalex.org/S4306400205","display_name":"PolyU Institutional Research Archive (Hong Kong Polytechnic University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I14243506","host_organization_name":"Hong Kong Polytechnic University","host_organization_lineage":["https://openalex.org/I14243506"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal/Magazine Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5600000023841858,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[{"id":"https://openalex.org/G2119031004","display_name":null,"funder_award_id":"61602363","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2273895713","display_name":null,"funder_award_id":"JB161509","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G2541514358","display_name":null,"funder_award_id":"61702437","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4115904075","display_name":null,"funder_award_id":"61572382","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G673329116","display_name":null,"funder_award_id":"B16037","funder_id":"https://openalex.org/F4320327912","funder_display_name":"Higher Education Discipline Innovation Project"},{"id":"https://openalex.org/G7128011340","display_name":null,"funder_award_id":"B16037","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G7612288357","display_name":null,"funder_award_id":"111 Project","funder_id":"https://openalex.org/F4320321106","funder_display_name":"Ministry of Education of the People's Republic of China"},{"id":"https://openalex.org/G7968657173","display_name":null,"funder_award_id":"XJS16001","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G8265951288","display_name":null,"funder_award_id":"20130203110004","funder_id":"https://openalex.org/F4320321106","funder_display_name":"Ministry of Education of the People's Republic of China"},{"id":"https://openalex.org/G8648062074","display_name":null,"funder_award_id":"2016M590927","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G8844623777","display_name":null,"funder_award_id":"No. B16037","funder_id":"https://openalex.org/F4320327912","funder_display_name":"Higher Education Discipline Innovation Project"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321106","display_name":"Ministry of Education of the People's Republic of China","ror":"https://ror.org/01mv9t934"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320322598","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98"},{"id":"https://openalex.org/F4320327912","display_name":"Higher Education Discipline Innovation Project","ror":null},{"id":"https://openalex.org/F4320334746","display_name":"Institute of Materials Research and Engineering","ror":"https://ror.org/02sepg748"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W249732696","https://openalex.org/W1489237398","https://openalex.org/W1498316612","https://openalex.org/W1503499126","https://openalex.org/W1513098086","https://openalex.org/W1547131737","https://openalex.org/W1572593068","https://openalex.org/W1596208550","https://openalex.org/W1647729283","https://openalex.org/W1980634156","https://openalex.org/W1984462474","https://openalex.org/W1991318406","https://openalex.org/W2021328268","https://openalex.org/W2031338211","https://openalex.org/W2071940270","https://openalex.org/W2072412494","https://openalex.org/W2076046175","https://openalex.org/W2083499257","https://openalex.org/W2086042811","https://openalex.org/W2097171586","https://openalex.org/W2102577841","https://openalex.org/W2108072891","https://openalex.org/W2138001464","https://openalex.org/W2147421349","https://openalex.org/W2154059840","https://openalex.org/W2154996206","https://openalex.org/W2160608575","https://openalex.org/W2164712867","https://openalex.org/W2169691038","https://openalex.org/W2308911427","https://openalex.org/W2322299939","https://openalex.org/W2380238046","https://openalex.org/W2509608824","https://openalex.org/W2540126579","https://openalex.org/W2594161941","https://openalex.org/W2915032814","https://openalex.org/W6609392047","https://openalex.org/W6629862473","https://openalex.org/W6634295842","https://openalex.org/W6636799826","https://openalex.org/W6675446150","https://openalex.org/W6698510847"],"related_works":["https://openalex.org/W4248847356","https://openalex.org/W2744624421","https://openalex.org/W777049646","https://openalex.org/W2174969786","https://openalex.org/W2750857695","https://openalex.org/W2620043489","https://openalex.org/W2767823571","https://openalex.org/W4292493860","https://openalex.org/W2477329965","https://openalex.org/W4235894667"],"abstract_inverted_index":{"Enabling":[0],"cryptographically":[1,21],"enforced":[2,22],"access":[3,24,48,52,139,166],"controls":[4],"for":[5,13],"data":[6,155],"hosted":[7],"in":[8,27],"untrusted":[9],"cloud":[10,29,57,97],"is":[11,30,66],"attractive":[12],"many":[14],"users":[15],"and":[16,78,98,111,130,151,160,172,179],"organizations.":[17],"However,":[18],"designing":[19],"efficient":[20],"dynamic":[23,47,138],"control":[25,140],"system":[26,40,173],"the":[28,56,96,103,113,125,157,177],"still":[31],"challenging.":[32],"In":[33,62,84],"this":[34],"paper,":[35],"we":[36],"propose":[37],"Crypt-DAC,":[38,63],"a":[39,64,69,75,79,87,91,106,134],"that":[41,141],"provides":[42,142],"practical":[43],"cryptographic":[44],"enforcement":[45],"of":[46,81,109,127,153,181],"control.":[49],"Crypt-DAC":[50,118,136],"revokes":[51,165],"permissions":[53],"by":[54,68],"delegating":[55],"to":[58,95,101,123,175],"update":[59,112],"encrypted":[60,67,114],"data.":[61],"file":[65,76,104],"symmetric":[70],"key":[71,77,94,115,121,128],"list":[72,116,129],"which":[73],"records":[74],"sequence":[80],"revocation":[82,93],"keys.":[83],"each":[85],"revocation,":[86],"dedicated":[88],"administrator":[89,158],"uploads":[90],"new":[92,107],"requests":[99],"it":[100,145,163],"encrypt":[102],"with":[105],"layer":[108],"encryption":[110,131],"accordingly.":[117],"proposes":[119],"three":[120],"techniques":[122],"constrain":[124],"size":[126],"layers.":[132],"As":[133],"result,":[135],"enforces":[137],"efficiency,":[143],"as":[144,162],"does":[146],"not":[147],"require":[148],"expensive":[149],"decryption/re-encryption":[150],"uploading/re-uploading":[152],"large":[154],"at":[156],"side,":[159],"security,":[161],"immediately":[164],"permissions.":[167],"We":[168],"use":[169],"formalization":[170],"framework":[171],"implementation":[174],"demonstrate":[176],"security":[178],"efficiency":[180],"our":[182],"construction.":[183]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":4}],"updated_date":"2026-06-04T09:04:59.091469","created_date":"2025-10-10T00:00:00"}
