{"id":"https://openalex.org/W3196834371","doi":"https://doi.org/10.1109/jiot.2021.3109440","title":"A Survey of Public-Key Encryption With Search Functionality for Cloud-Assisted IoT","display_name":"A Survey of Public-Key Encryption With Search Functionality for Cloud-Assisted IoT","publication_year":2021,"publication_date":"2021-09-01","ids":{"openalex":"https://openalex.org/W3196834371","doi":"https://doi.org/10.1109/jiot.2021.3109440","mag":"3196834371"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2021.3109440","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2021.3109440","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/A5100643589","display_name":"Hu Xiong","orcid":"https://orcid.org/0000-0001-6137-6667"},"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":"Hu Xiong","raw_affiliation_strings":["School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0001-6137-6667","affiliations":[{"raw_affiliation_string":"School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051144556","display_name":"Tianang Yao","orcid":"https://orcid.org/0000-0001-7336-3070"},"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":"Tianang Yao","raw_affiliation_strings":["School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0001-7336-3070","affiliations":[{"raw_affiliation_string":"School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008467989","display_name":"Hanxiao Wang","orcid":"https://orcid.org/0000-0002-9809-8119"},"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":"Hanxiao Wang","raw_affiliation_strings":["School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002937692","display_name":"Jun Feng","orcid":"https://orcid.org/0000-0001-9917-1819"},"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":"Jun Feng","raw_affiliation_strings":["School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005228053","display_name":"Shui Yu","orcid":"https://orcid.org/0000-0003-4485-6743"},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Shui Yu","raw_affiliation_strings":["School of Computer Science, University of Technology Sydney, Ultimo, NSW, Australia"],"raw_orcid":"https://orcid.org/0000-0003-4485-6743","affiliations":[{"raw_affiliation_string":"School of Computer Science, University of Technology Sydney, Ultimo, NSW, Australia","institution_ids":["https://openalex.org/I114017466"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.4983,"has_fulltext":false,"cited_by_count":37,"citation_normalized_percentile":{"value":0.93807455,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"9","issue":"1","first_page":"401","last_page":"418"},"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9898999929428101,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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":0.9782000184059143,"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":0.8444924354553223},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.7013895511627197},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.6427485346794128},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.5090591311454773},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.46070921421051025},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.4460764229297638},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.44416117668151855},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.08996984362602234}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8444924354553223},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.7013895511627197},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.6427485346794128},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.5090591311454773},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.46070921421051025},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.4460764229297638},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.44416117668151855},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.08996984362602234}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2021.3109440","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2021.3109440","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/G1555812177","display_name":null,"funder_award_id":"U1936101","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3947253201","display_name":null,"funder_award_id":"2021YFG0164","funder_id":"https://openalex.org/F4320333335","funder_display_name":"Sichuan Province Science and Technology Support Program"},{"id":"https://openalex.org/G7337167594","display_name":null,"funder_award_id":"61902054","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/F4320333335","display_name":"Sichuan Province Science and Technology Support Program","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":101,"referenced_works":["https://openalex.org/W998997404","https://openalex.org/W1442181477","https://openalex.org/W1485110506","https://openalex.org/W1490445235","https://openalex.org/W1493744513","https://openalex.org/W1506964068","https://openalex.org/W1512194687","https://openalex.org/W1516033050","https://openalex.org/W1516512945","https://openalex.org/W1516965625","https://openalex.org/W1546774120","https://openalex.org/W1561443225","https://openalex.org/W1572096077","https://openalex.org/W1573743738","https://openalex.org/W1580750219","https://openalex.org/W1581001589","https://openalex.org/W1588312749","https://openalex.org/W1589843374","https://openalex.org/W1590823599","https://openalex.org/W1591524234","https://openalex.org/W1607264302","https://openalex.org/W1622109882","https://openalex.org/W1794210664","https://openalex.org/W1797206029","https://openalex.org/W1847491301","https://openalex.org/W1851414966","https://openalex.org/W1868922675","https://openalex.org/W1961551075","https://openalex.org/W1992259749","https://openalex.org/W1992658042","https://openalex.org/W1998930836","https://openalex.org/W2000181148","https://openalex.org/W2011586157","https://openalex.org/W2014022156","https://openalex.org/W2028161339","https://openalex.org/W2039821856","https://openalex.org/W2043533815","https://openalex.org/W2048334094","https://openalex.org/W2056949817","https://openalex.org/W2058401212","https://openalex.org/W2076147741","https://openalex.org/W2080574324","https://openalex.org/W2085964495","https://openalex.org/W2089607820","https://openalex.org/W2089744189","https://openalex.org/W2114296561","https://openalex.org/W2116696792","https://openalex.org/W2120976781","https://openalex.org/W2122987162","https://openalex.org/W2139910984","https://openalex.org/W2147929033","https://openalex.org/W2152924492","https://openalex.org/W2154797012","https://openalex.org/W2156186849","https://openalex.org/W2161214567","https://openalex.org/W2162567660","https://openalex.org/W2162799363","https://openalex.org/W2169691038","https://openalex.org/W2255431140","https://openalex.org/W2264725869","https://openalex.org/W2280409606","https://openalex.org/W2392235604","https://openalex.org/W2501174062","https://openalex.org/W2514981978","https://openalex.org/W2518646642","https://openalex.org/W2569378140","https://openalex.org/W2593460724","https://openalex.org/W2597901792","https://openalex.org/W2601755223","https://openalex.org/W2619866197","https://openalex.org/W2722409512","https://openalex.org/W2764301848","https://openalex.org/W2767887369","https://openalex.org/W2808466639","https://openalex.org/W2888533739","https://openalex.org/W2889358002","https://openalex.org/W2891406774","https://openalex.org/W2903949249","https://openalex.org/W2908345802","https://openalex.org/W2915827760","https://openalex.org/W2921658382","https://openalex.org/W2926067477","https://openalex.org/W2941569673","https://openalex.org/W2943618868","https://openalex.org/W2944946649","https://openalex.org/W2948663866","https://openalex.org/W2954471701","https://openalex.org/W2958920060","https://openalex.org/W2972966338","https://openalex.org/W2973130329","https://openalex.org/W2976497937","https://openalex.org/W2980406103","https://openalex.org/W2990598334","https://openalex.org/W2995061854","https://openalex.org/W2997594590","https://openalex.org/W3019423257","https://openalex.org/W3025045832","https://openalex.org/W3042636178","https://openalex.org/W3087009137","https://openalex.org/W3114307879","https://openalex.org/W3217302241"],"related_works":["https://openalex.org/W4244478748","https://openalex.org/W4223488648","https://openalex.org/W2134969820","https://openalex.org/W2126037447","https://openalex.org/W2888183313","https://openalex.org/W4243688874","https://openalex.org/W4252709806","https://openalex.org/W2081673223","https://openalex.org/W2154930424","https://openalex.org/W767161385"],"abstract_inverted_index":{"Nowadays,":[0],"Internet":[1],"of":[2,13,17,29,48,55,108,127,133,161,164,197],"Things":[3],"(IoT)":[4],"is":[5,35,88],"an":[6,71],"attractive":[7],"system":[8],"to":[9,37,97,144],"provide":[10,145],"broad":[11],"connectivity":[12],"a":[14,89],"wide":[15],"range":[16],"applications,":[18],"and":[19,32,44,58,63,77,121,131,150,174,177,189,212],"clouds":[20],"are":[21],"natural":[22],"promoters.":[23],"Cloud-assisted":[24],"IoT":[25],"combines":[26],"the":[27,41,46,49,53,106,128,159,162,168,172,179,195,204],"advantages":[28],"cloud":[30,68],"computing":[31],"IoT,":[33],"which":[34,201],"able":[36],"collect":[38],"data":[39,51,56,59,65,100],"from":[40,141],"real":[42],"world":[43],"maximizes":[45],"value":[47],"collected":[50],"by":[52,166],"means":[54],"sharing":[57],"analysis.":[60],"Meanwhile,":[61],"secure":[62],"convenient":[64],"retrieval":[66],"in":[67,182],"servers":[69],"becomes":[70],"important":[72],"requirement":[73],"for":[74,148,225],"both":[75],"enterprises":[76],"individual":[78],"users.":[79],"Public-key":[80],"encryption":[81,110,116,123],"with":[82,111,117,184,203],"search":[83,113],"functionality":[84],"(shorten":[85],"as":[86],"PKE-SF)":[87],"widely":[90],"used":[91],"cryptographic":[92],"technique":[93],"that":[94],"allows":[95],"users":[96],"retrieve":[98],"encrypted":[99],"without":[101],"decryption.":[102],"PKE-SF":[103,134,165,199],"mainly":[104],"contains":[105],"primitives":[107],"public-key":[109,115],"keyword":[112,209,214],"(PKE-KS),":[114],"equality":[118],"test":[119],"(PKE-ET),":[120],"plaintext-checkable":[122],"(PCE).":[124],"In":[125],"light":[126],"overwhelming":[129],"variety":[130],"multitude":[132],"schemes,":[135],"this":[136,155],"survey":[137,156],"presents":[138],"these":[139],"schemes":[140,181,200],"different":[142],"perspectives":[143],"better":[146],"comprehension":[147],"beginners":[149],"advanced":[151],"researchers.":[152],"More":[153],"concretely,":[154],"concentrates":[157],"on":[158],"state":[160],"art":[163],"analyzing":[167],"design":[169],"rationale,":[170],"examining":[171],"framework":[173],"security":[175,187],"model,":[176],"assessing":[178],"existing":[180],"accordance":[183],"theoretic":[185],"efficiency,":[186],"properties,":[188],"experimental":[190],"performance.":[191],"Furthermore,":[192],"we":[193,219],"discuss":[194],"extensions":[196],"traditional":[198],"feature":[202],"access":[205],"control":[206],"delegation,":[207],"conjunctive":[208],"search,":[210],"certificate-free,":[211],"offline":[213],"guessing":[215],"attack":[216],"resilience.":[217],"Finally,":[218],"point":[220],"out":[221],"some":[222],"promising":[223],"directions":[224],"readers.":[226]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":13},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}