{"id":"https://openalex.org/W4413343948","doi":"https://doi.org/10.1109/tdsc.2025.3600572","title":"Flash: Practical Volume-Hiding Encrypted Conjunctive Multi-Map With Optimal Overhead","display_name":"Flash: Practical Volume-Hiding Encrypted Conjunctive Multi-Map With Optimal Overhead","publication_year":2025,"publication_date":"2025-08-19","ids":{"openalex":"https://openalex.org/W4413343948","doi":"https://doi.org/10.1109/tdsc.2025.3600572"},"language":"en","primary_location":{"id":"doi:10.1109/tdsc.2025.3600572","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tdsc.2025.3600572","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":null,"display_name":"Jiaojiao Wu","orcid":"https://orcid.org/0000-0002-3551-7152"},"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"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiaojiao Wu","raw_affiliation_strings":["School of Cyber Engineering, Xidian University, Xi’an, China","School of Cyber Engineering, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-3551-7152","affiliations":[{"raw_affiliation_string":"School of Cyber Engineering, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Cyber Engineering, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100358500","display_name":"Jianfeng Wang","orcid":"https://orcid.org/0000-0001-5297-0293"},"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"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianfeng Wang","raw_affiliation_strings":["School of Cyber Engineering, Xidian University, Xi’an, China","School of Cyber Engineering, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0001-5297-0293","affiliations":[{"raw_affiliation_string":"School of Cyber Engineering, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Cyber Engineering, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057621404","display_name":"Shi-Feng Sun","orcid":"https://orcid.org/0000-0003-3742-5275"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shi-Feng Sun","raw_affiliation_strings":["School of Cyber Science and Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-3742-5275","affiliations":[{"raw_affiliation_string":"School of Cyber Science and Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":null,"display_name":"Xiaofeng Chen","orcid":"https://orcid.org/0000-0001-5858-5070"},"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"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaofeng Chen","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks (ISN), Xidian University, Xi’an, China","State Key Laboratory of Integrated Service Networks (ISN), Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0001-5858-5070","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks (ISN), Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks (ISN), Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0805062,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"22","issue":"6","first_page":"7802","last_page":"7817"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9940000176429749,"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":0.9940000176429749,"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/T11017","display_name":"Chaos-based Image/Signal Encryption","score":0.9896000027656555,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10388","display_name":"Advanced Steganography and Watermarking Techniques","score":0.9842000007629395,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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":0.7959042191505432},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.681587278842926},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6637427806854248},{"id":"https://openalex.org/keywords/volume","display_name":"Volume (thermodynamics)","score":0.6578301787376404},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.4318651854991913},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.36405616998672485},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3469783067703247},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.17423167824745178}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7959042191505432},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.681587278842926},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6637427806854248},{"id":"https://openalex.org/C20556612","wikidata":"https://www.wikidata.org/wiki/Q4469374","display_name":"Volume (thermodynamics)","level":2,"score":0.6578301787376404},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.4318651854991913},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.36405616998672485},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3469783067703247},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.17423167824745178},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tdsc.2025.3600572","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tdsc.2025.3600572","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1502708590","https://openalex.org/W1539859404","https://openalex.org/W1993060580","https://openalex.org/W2016575873","https://openalex.org/W2117362057","https://openalex.org/W2146828512","https://openalex.org/W2147929033","https://openalex.org/W2152516507","https://openalex.org/W2532292902","https://openalex.org/W2592956480","https://openalex.org/W2765463836","https://openalex.org/W2771683999","https://openalex.org/W2891392853","https://openalex.org/W2891871515","https://openalex.org/W2898477690","https://openalex.org/W2920126279","https://openalex.org/W2946109000","https://openalex.org/W2963504955","https://openalex.org/W2984157150","https://openalex.org/W2986992030","https://openalex.org/W2990722039","https://openalex.org/W2994941531","https://openalex.org/W3005805302","https://openalex.org/W3006791962","https://openalex.org/W3186962476","https://openalex.org/W3202726657","https://openalex.org/W4214926007","https://openalex.org/W4285252057","https://openalex.org/W4308643128","https://openalex.org/W4386754075","https://openalex.org/W4389857676"],"related_works":["https://openalex.org/W2100090372","https://openalex.org/W4361205702","https://openalex.org/W2798121181","https://openalex.org/W2385965183","https://openalex.org/W4289281780","https://openalex.org/W2013342653","https://openalex.org/W2901818815","https://openalex.org/W4237598585","https://openalex.org/W2359552542","https://openalex.org/W2016805743"],"abstract_inverted_index":{"Volume-hiding":[0],"encrypted":[1,11],"multi-map":[2],"(EMM)":[3],"allows":[4],"the":[5,15,21,36,45,75,152],"client":[6],"to":[7,108,131],"efficiently":[8],"search":[9,178],"on":[10,30,40,94],"data":[12],"while":[13],"concealing":[14],"real":[16],"volume":[17,31],"of":[18,35,47],"values":[19],"for":[20,78],"queried":[22],"key,":[23],"thereby":[24],"mitigating":[25],"privacy-compromising":[26],"attacks":[27],"that":[28],"depend":[29],"knowledge.":[32],"However,":[33],"most":[34],"volume-hiding":[37,49,63,79,90,111,154],"EMMs":[38],"focus":[39],"single":[41],"keyword":[42],"queries,":[43],"leaving":[44],"design":[46],"a":[48,52,61,85,95,109,148,161],"conjunctive-keyword":[50,80,112,155],"EMM":[51,65],"significant":[53,162],"challenge.":[54],"In":[55,125],"this":[56],"paper,":[57],"we":[58,127,146],"first":[59],"propose":[60],"performance-optimized":[62],"single-keyword":[64],"by":[66],"adopting":[67],"binary":[68],"fuse":[69],"filter,$\\mathsf":[70],"{BF^{2}MM}$,":[71],"which":[72,115],"serves":[73],"as":[74],"crucial":[76],"component":[77],"EMM.":[81],"We":[82,104],"then":[83],"introduce":[84],"generic":[86],"construction":[87],"dubbed$\\mathsf":[88],"{vCMM}$for":[89],"conjunctive":[91],"query,":[92],"relying":[93],"novel":[96],"index":[97],"structure":[98],"from":[99],"merely":[100],"symmetric-key":[101],"cryptographic":[102],"tools.":[103],"further":[105],"instantiate":[106],"it":[107],"practical":[110],"EMM,$\\mathsf":[113],"{BF^{2}CMM}$,":[114,166],"features":[116],"nearly":[117],"optimal":[118],"query":[119],"communication":[120],"complexity":[121],"and":[122,143,175],"storage":[123],"overhead.":[124],"addition,":[126],"extend":[128],"our":[129],"proposals":[130],"non-interactive":[132],"DP-variants$\\mathsf":[133],"{DP\\textrm":[134,136],"{-}BF^{2}MM}$and$\\mathsf":[135],"{-}BF^{2}CMM}$to":[137],"provide":[138,147],"tunable":[139],"trade-offs":[140],"between":[141],"performance":[142,163],"privacy.":[144],"Finally,":[145],"thorough":[149],"comparison":[150],"with":[151,167],"existing":[153],"EMM$\\mathsf":[156],"{OXTMM}$.":[157],"Experimental":[158],"results":[159],"show":[160],"improvement":[164],"of$\\mathsf":[165],"over":[168],"a$2\\times$storage":[169],"saving,":[170],"a$90\\times$increase":[171],"in":[172,177],"setup":[173],"efficiency,":[174],"roughly$180\\times$speedup":[176],"latency":[179],"compared":[180],"to$\\mathsf":[181],"{OXTMM}$,":[182],"respectively.":[183]},"counts_by_year":[],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}