{"id":"https://openalex.org/W3204648696","doi":"https://doi.org/10.1145/3460120.3484760","title":"Labeled PSI from Homomorphic Encryption with Reduced Computation and Communication","display_name":"Labeled PSI from Homomorphic Encryption with Reduced Computation and Communication","publication_year":2021,"publication_date":"2021-11-12","ids":{"openalex":"https://openalex.org/W3204648696","doi":"https://doi.org/10.1145/3460120.3484760","mag":"3204648696"},"language":"en","primary_location":{"id":"doi:10.1145/3460120.3484760","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3460120.3484760","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2021 ACM SIGSAC Conference on Computer and Communications Security","raw_type":"proceedings-article"},"type":"conference-paper","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/A5068879175","display_name":"Kelong Cong","orcid":"https://orcid.org/0000-0002-2636-4406"},"institutions":[{"id":"https://openalex.org/I4210114974","display_name":"IMEC","ror":"https://ror.org/02kcbn207","country_code":"BE","type":"nonprofit","lineage":["https://openalex.org/I4210114974"]},{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Kelong Cong","raw_affiliation_strings":["imec-COSIC, KU Leuven, Leuven, Belgium","[Imec-COSIC KU Leuven, Leuven, Belgium]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"imec-COSIC, KU Leuven, Leuven, Belgium","institution_ids":["https://openalex.org/I4210114974","https://openalex.org/I99464096"]},{"raw_affiliation_string":"[Imec-COSIC KU Leuven, Leuven, Belgium]","institution_ids":["https://openalex.org/I4210114974","https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075799233","display_name":"Radames Cruz Moreno","orcid":null},"institutions":[{"id":"https://openalex.org/I1290206253","display_name":"Microsoft (United States)","ror":"https://ror.org/00d0nc645","country_code":"US","type":"company","lineage":["https://openalex.org/I1290206253"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Radames Cruz Moreno","raw_affiliation_strings":["Microsoft Research, Redmond, WA, USA","Microsoft Research, redmond, WA, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Microsoft Research, Redmond, WA, USA","institution_ids":["https://openalex.org/I1290206253"]},{"raw_affiliation_string":"Microsoft Research, redmond, WA, USA#TAB#","institution_ids":["https://openalex.org/I1290206253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048118512","display_name":"Mariana Gama","orcid":"https://orcid.org/0000-0002-2759-043X"},"institutions":[{"id":"https://openalex.org/I4210114974","display_name":"IMEC","ror":"https://ror.org/02kcbn207","country_code":"BE","type":"nonprofit","lineage":["https://openalex.org/I4210114974"]},{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Mariana Botelho da Gama","raw_affiliation_strings":["imec-COSIC, KU Leuven, Leuven, Belgium","[Imec-COSIC KU Leuven, Leuven, Belgium]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"imec-COSIC, KU Leuven, Leuven, Belgium","institution_ids":["https://openalex.org/I4210114974","https://openalex.org/I99464096"]},{"raw_affiliation_string":"[Imec-COSIC KU Leuven, Leuven, Belgium]","institution_ids":["https://openalex.org/I4210114974","https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101595453","display_name":"Wei Dai","orcid":"https://orcid.org/0000-0002-3542-8889"},"institutions":[{"id":"https://openalex.org/I1290206253","display_name":"Microsoft (United States)","ror":"https://ror.org/00d0nc645","country_code":"US","type":"company","lineage":["https://openalex.org/I1290206253"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wei Dai","raw_affiliation_strings":["Microsoft Research, Redmond, WA, USA","Microsoft Research, redmond, WA, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Microsoft Research, Redmond, WA, USA","institution_ids":["https://openalex.org/I1290206253"]},{"raw_affiliation_string":"Microsoft Research, redmond, WA, USA#TAB#","institution_ids":["https://openalex.org/I1290206253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047514067","display_name":"Ilia Iliashenko","orcid":"https://orcid.org/0000-0002-9549-1003"},"institutions":[{"id":"https://openalex.org/I4210114974","display_name":"IMEC","ror":"https://ror.org/02kcbn207","country_code":"BE","type":"nonprofit","lineage":["https://openalex.org/I4210114974"]},{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Ilia Iliashenko","raw_affiliation_strings":["imec-COSIC, KU Leuven, Leuven, Belgium","[Imec-COSIC KU Leuven, Leuven, Belgium]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"imec-COSIC, KU Leuven, Leuven, Belgium","institution_ids":["https://openalex.org/I4210114974","https://openalex.org/I99464096"]},{"raw_affiliation_string":"[Imec-COSIC KU Leuven, Leuven, Belgium]","institution_ids":["https://openalex.org/I4210114974","https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012602812","display_name":"Kim Laine","orcid":"https://orcid.org/0000-0002-9087-5913"},"institutions":[{"id":"https://openalex.org/I1290206253","display_name":"Microsoft (United States)","ror":"https://ror.org/00d0nc645","country_code":"US","type":"company","lineage":["https://openalex.org/I1290206253"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kim Laine","raw_affiliation_strings":["Microsoft Research, Redmond, WA, USA","Microsoft Research, redmond, WA, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Microsoft Research, Redmond, WA, USA","institution_ids":["https://openalex.org/I1290206253"]},{"raw_affiliation_string":"Microsoft Research, redmond, WA, USA#TAB#","institution_ids":["https://openalex.org/I1290206253"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081391745","display_name":"Michael L. Rosenberg","orcid":"https://orcid.org/0000-0001-9784-125X"},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael Rosenberg","raw_affiliation_strings":["University of Maryland, College Park, MD, USA","University of Maryland, College Park,MD,USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Maryland, College Park, MD, USA","institution_ids":["https://openalex.org/I66946132"]},{"raw_affiliation_string":"University of Maryland, College Park,MD,USA","institution_ids":["https://openalex.org/I66946132"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4395,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.62839444,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"2021","issue":null,"first_page":"1135","last_page":"1150"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9991999864578247,"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":0.9991999864578247,"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":0.9944000244140625,"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/T11693","display_name":"Cryptography and Residue Arithmetic","score":0.9739000201225281,"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/homomorphic-encryption","display_name":"Homomorphic encryption","score":0.8719712495803833},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7345338463783264},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.71994948387146},{"id":"https://openalex.org/keywords/byte","display_name":"Byte","score":0.6969404220581055},{"id":"https://openalex.org/keywords/communication-complexity","display_name":"Communication complexity","score":0.6437519192695618},{"id":"https://openalex.org/keywords/protocol","display_name":"Protocol (science)","score":0.6061863899230957},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.599833607673645},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4924663007259369},{"id":"https://openalex.org/keywords/sublinear-function","display_name":"Sublinear function","score":0.4524657726287842},{"id":"https://openalex.org/keywords/secure-multi-party-computation","display_name":"Secure multi-party computation","score":0.4433036148548126},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.41281306743621826},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3610668182373047},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2313556671142578},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20308682322502136},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.1726178526878357}],"concepts":[{"id":"https://openalex.org/C158338273","wikidata":"https://www.wikidata.org/wiki/Q2154943","display_name":"Homomorphic encryption","level":3,"score":0.8719712495803833},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7345338463783264},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.71994948387146},{"id":"https://openalex.org/C43364308","wikidata":"https://www.wikidata.org/wiki/Q8799","display_name":"Byte","level":2,"score":0.6969404220581055},{"id":"https://openalex.org/C179145077","wikidata":"https://www.wikidata.org/wiki/Q5154130","display_name":"Communication complexity","level":2,"score":0.6437519192695618},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.6061863899230957},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.599833607673645},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4924663007259369},{"id":"https://openalex.org/C117160843","wikidata":"https://www.wikidata.org/wiki/Q338652","display_name":"Sublinear function","level":2,"score":0.4524657726287842},{"id":"https://openalex.org/C18396474","wikidata":"https://www.wikidata.org/wiki/Q2465888","display_name":"Secure multi-party computation","level":3,"score":0.4433036148548126},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.41281306743621826},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3610668182373047},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2313556671142578},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20308682322502136},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.1726178526878357},{"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/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","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/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3460120.3484760","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3460120.3484760","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2021 ACM SIGSAC Conference on Computer and Communications Security","raw_type":"proceedings-article"},{"id":"mag:3204648696","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G894641361","display_name":null,"funder_award_id":"FA8750\u201019\u2010C\u20100502","funder_id":"https://openalex.org/F4320332180","funder_display_name":"Defense Advanced Research Projects Agency"}],"funders":[{"id":"https://openalex.org/F4320332180","display_name":"Defense Advanced Research Projects Agency","ror":"https://ror.org/02caytj08"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W913176383","https://openalex.org/W1631405927","https://openalex.org/W1967373117","https://openalex.org/W1979120705","https://openalex.org/W2004957971","https://openalex.org/W2017959893","https://openalex.org/W2026179596","https://openalex.org/W2031533839","https://openalex.org/W2040084153","https://openalex.org/W2055580199","https://openalex.org/W2061949491","https://openalex.org/W2071825329","https://openalex.org/W2122087485","https://openalex.org/W2124218043","https://openalex.org/W2152926062","https://openalex.org/W2156186849","https://openalex.org/W2170405424","https://openalex.org/W2226167778","https://openalex.org/W2400700555","https://openalex.org/W2401959250","https://openalex.org/W2535199873","https://openalex.org/W2554750353","https://openalex.org/W2569238585","https://openalex.org/W2765239305","https://openalex.org/W2766393794","https://openalex.org/W2767079258","https://openalex.org/W2795178974","https://openalex.org/W2883089683","https://openalex.org/W2889629344","https://openalex.org/W3037145554","https://openalex.org/W3091347766"],"related_works":["https://openalex.org/W2951530589","https://openalex.org/W3163278169","https://openalex.org/W3045747800","https://openalex.org/W2787356666","https://openalex.org/W3040981273","https://openalex.org/W2404268053","https://openalex.org/W2952038878","https://openalex.org/W1487528023","https://openalex.org/W1552044364","https://openalex.org/W2085173561","https://openalex.org/W2556863009","https://openalex.org/W3102859907","https://openalex.org/W2734687249","https://openalex.org/W2169054499","https://openalex.org/W2810834533","https://openalex.org/W2946823163","https://openalex.org/W1901393228","https://openalex.org/W3103786737","https://openalex.org/W3046730691","https://openalex.org/W2174163014"],"abstract_inverted_index":{"It":[0],"is":[1,28,79,261],"known":[2],"that":[3,76,83,155,214],"fully":[4],"homomorphic":[5,63],"encryption":[6],"(FHE)":[7],"can":[8],"be":[9],"used":[10],"to":[11,148,237],"build":[12],"efficient":[13],"(labeled)":[14],"Private":[15],"Set":[16],"Intersection":[17],"protocols":[18,153],"in":[19,69,94,216,221],"the":[20,26,32,70,112,136,159,187,197,222],"unbalanced":[21,151],"setting,":[22],"where":[23],"one":[24],"of":[25,84,96,244,257],"sets":[27,243],"much":[29],"larger":[30,71,188,223],"than":[31,82,118,124,203,263],"other~(Chen":[33],"et":[34,86,176,269],"al.":[35,87,177,270],"(CCS'17,":[36],"CCS'18)).":[37],"In":[38,49],"this":[39],"paper":[40],"we":[41,210],"demonstrate":[42,75,211],"multiple":[43],"algorithmic":[44],"improvements":[45],"upon":[46],"these":[47],"works.":[48],"particular,":[50],"our":[51,77,109,133,156,171,194,250],"protocol":[52,78,110,134,157,172,195],"has":[53,158],"an":[54],"asymptotically":[55],"better":[56,81],"computation":[57,114,138,199,230],"cost,":[58],"requiring":[59],"only":[60,254],"O(\u221a|X|":[61],")":[62],"multiplications,":[64],"and":[65,105,120,129,142,182,205],"communication":[66,98,121,143,162,206,219],"complexity":[67,163,231],"sublinear":[68],"set":[72,189,224,241],"size|X|.":[73],"We":[74],"significantly":[80],"Chen":[85,175,268],"(CCS'18)":[88],"for":[89],"many":[90],"practical":[91],"parameters,":[92],"especially":[93],"terms":[95],"online":[97,113,137,198,258],"cost.":[99],"For":[100,168,235],"example,":[101,236],"when":[102,164],"intersecting":[103,127,180],"$228":[104],"2048":[106],"item":[107,131,184],"sets,":[108,132,185],"reduces":[111,135,196],"time":[115,139,200],"by":[116,122,140,144,201,207],"more":[117,123,202,262],"71%":[119],"63%.":[125,145],"When":[126,179],"224":[128],"4096":[130],"27%":[141],"Our":[146],"comparison":[147],"other":[149],"state-of-the-art":[150],"PSI":[152,170],"shows":[154],"best":[160],"total":[161],"|X|":[165],"\u2265":[166],"224.":[167],"labeled":[169],"also":[173],"outperforms":[174],"(CCS'18).":[178,271],"220":[181],"256":[183],"with":[186,242],"having":[190],"associated":[191],"288-byte":[192],"labels,":[193],"67%":[204],"34%.":[208],"Finally,":[209],"a":[212,239,264],"modification":[213],"results":[215],"nearly":[217],"constant":[218],"cost":[220],"size":[225,245],"|X|,":[226],"but":[227],"impractically":[228],"high":[229],"on":[232],"today's":[233],"CPUs.":[234],"intersect":[238],"210-item":[240],"222,":[246],"224,":[247],"or":[248],"226,":[249],"proof-of-concept":[251],"implementation":[252],"requires":[253],"0.76":[255],"MB":[256],"communication,":[259],"which":[260],"24-fold":[265],"improvement":[266],"over":[267]},"counts_by_year":[{"year":2023,"cited_by_count":3}],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2025-10-10T00:00:00"}