{"id":"https://openalex.org/W3209664619","doi":"https://doi.org/10.1145/3460120.3484817","title":"A Concrete Treatment of Efficient Continuous Group Key Agreement via Multi-Recipient PKEs","display_name":"A Concrete Treatment of Efficient Continuous Group Key Agreement via Multi-Recipient PKEs","publication_year":2021,"publication_date":"2021-11-12","ids":{"openalex":"https://openalex.org/W3209664619","doi":"https://doi.org/10.1145/3460120.3484817","mag":"3209664619"},"language":"en","primary_location":{"id":"doi:10.1145/3460120.3484817","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3460120.3484817","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":"preprint","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://ir.cwi.nl/pub/31198/31198.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5028565031","display_name":"Keitaro Hashimoto","orcid":"https://orcid.org/0000-0002-2232-9443"},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Keitaro Hashimoto","raw_affiliation_strings":["Tokyo Institute of Technology &amp; AIST, Tokyo, Japan","Tokyo Institute of Technology & AIST, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Tokyo Institute of Technology &amp; AIST, Tokyo, Japan","institution_ids":["https://openalex.org/I114531698"]},{"raw_affiliation_string":"Tokyo Institute of Technology & AIST, Tokyo, Japan","institution_ids":["https://openalex.org/I114531698"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045165395","display_name":"Shuichi Katsumata","orcid":"https://orcid.org/0000-0002-8496-0476"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shuichi Katsumata","raw_affiliation_strings":["AIST, Tokyo, Japan","AIST,Tokyo,Japan"],"affiliations":[{"raw_affiliation_string":"AIST, Tokyo, Japan","institution_ids":[]},{"raw_affiliation_string":"AIST,Tokyo,Japan","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054631130","display_name":"Eamonn W. Postlethwaite","orcid":"https://orcid.org/0000-0003-2984-1332"},"institutions":[{"id":"https://openalex.org/I1341640284","display_name":"Centrum Wiskunde & Informatica","ror":"https://ror.org/00x7ekv49","country_code":"NL","type":"facility","lineage":["https://openalex.org/I1341640284","https://openalex.org/I2800991832"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Eamonn Postlethwaite","raw_affiliation_strings":["CWI, Amsterdam, Netherlands"],"affiliations":[{"raw_affiliation_string":"CWI, Amsterdam, Netherlands","institution_ids":["https://openalex.org/I1341640284"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064159889","display_name":"Thomas Prest","orcid":"https://orcid.org/0000-0003-1445-6212"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Thomas Prest","raw_affiliation_strings":["PQShield SAS, Paris, France"],"affiliations":[{"raw_affiliation_string":"PQShield SAS, Paris, France","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031739211","display_name":"Bas Westerbaan","orcid":"https://orcid.org/0000-0002-3195-6238"},"institutions":[{"id":"https://openalex.org/I4210119720","display_name":"NatriSoft (Netherlands)","ror":"https://ror.org/02dv36z82","country_code":"NL","type":"company","lineage":["https://openalex.org/I4210119720"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Bas Westerbaan","raw_affiliation_strings":["Cloudflare, Amsterdam, Netherlands"],"affiliations":[{"raw_affiliation_string":"Cloudflare, Amsterdam, Netherlands","institution_ids":["https://openalex.org/I4210119720"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5028565031"],"corresponding_institution_ids":["https://openalex.org/I114531698"],"apc_list":null,"apc_paid":null,"fwci":0.16,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.5427141,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"2021","issue":null,"first_page":"1441","last_page":"1462"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11498","display_name":"Security in Wireless Sensor Networks","score":0.9940000176429749,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11498","display_name":"Security in Wireless Sensor Networks","score":0.9940000176429749,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10237","display_name":"Cryptography and Data Security","score":0.9559999704360962,"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/commit","display_name":"Commit","score":0.9637023210525513},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7869765162467957},{"id":"https://openalex.org/keywords/upload","display_name":"Upload","score":0.7349767684936523},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.6200241446495056},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.5059301257133484},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4894391596317291},{"id":"https://openalex.org/keywords/download","display_name":"Download","score":0.43796342611312866},{"id":"https://openalex.org/keywords/protocol","display_name":"Protocol (science)","score":0.43538898229599},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3398950397968292},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.33966249227523804},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.2316615879535675},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.09217658638954163}],"concepts":[{"id":"https://openalex.org/C153180980","wikidata":"https://www.wikidata.org/wiki/Q19776675","display_name":"Commit","level":2,"score":0.9637023210525513},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7869765162467957},{"id":"https://openalex.org/C71901391","wikidata":"https://www.wikidata.org/wiki/Q7126699","display_name":"Upload","level":2,"score":0.7349767684936523},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.6200241446495056},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5059301257133484},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4894391596317291},{"id":"https://openalex.org/C2780154274","wikidata":"https://www.wikidata.org/wiki/Q7126717","display_name":"Download","level":2,"score":0.43796342611312866},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.43538898229599},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3398950397968292},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.33966249227523804},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.2316615879535675},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.09217658638954163},{"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/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"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":3,"locations":[{"id":"doi:10.1145/3460120.3484817","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3460120.3484817","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":"pmh:oai:cwi.nl:31198","is_oa":true,"landing_page_url":"https://ir.cwi.nl/pub/31198","pdf_url":"https://ir.cwi.nl/pub/31198/31198.pdf","source":{"id":"https://openalex.org/S7407055335","display_name":"Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":"info:eu-repo/semantics/conferenceObject"},{"id":"mag:3209664619","is_oa":false,"landing_page_url":"https://eprint.iacr.org/2021/1407.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S2764847869","display_name":"IACR Cryptology ePrint Archive","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":["https://openalex.org/P4322614454"],"host_organization_lineage_names":["Cryptology ePrint Archive"],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IACR Cryptology ePrint Archive","raw_type":null}],"best_oa_location":{"id":"pmh:oai:cwi.nl:31198","is_oa":true,"landing_page_url":"https://ir.cwi.nl/pub/31198","pdf_url":"https://ir.cwi.nl/pub/31198/31198.pdf","source":{"id":"https://openalex.org/S7407055335","display_name":"Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/17","display_name":"Partnerships for the goals","score":0.44999998807907104}],"awards":[{"id":"https://openalex.org/G3282004645","display_name":null,"funder_award_id":"JPMJCR","funder_id":"https://openalex.org/F4320338075","funder_display_name":"Core Research for Evolutional Science and Technology"},{"id":"https://openalex.org/G4325523037","display_name":null,"funder_award_id":"EP/P009301/1","funder_id":"https://openalex.org/F4320335935","funder_display_name":"Royal Holloway, University of London"},{"id":"https://openalex.org/G5279269448","display_name":null,"funder_award_id":"JPMJCR19F6","funder_id":"https://openalex.org/F4320338075","funder_display_name":"Core Research for Evolutional Science and Technology"},{"id":"https://openalex.org/G6244725262","display_name":null,"funder_award_id":"Centre for Doctoral Training","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G6949464859","display_name":null,"funder_award_id":"EP/P009","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G829853832","display_name":null,"funder_award_id":"1811420","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G8498677286","display_name":"Centre for Doctoral Training in Cyber Security at Royal Holloway: Renewal of the CS-CDT at RHUL","funder_award_id":"EP/P009301/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G8719353587","display_name":null,"funder_award_id":"EP/P0","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320314707","display_name":"Government of the United Kingdom","ror":"https://ror.org/05wnh3t63"},{"id":"https://openalex.org/F4320314731","display_name":"UK Research and Innovation","ror":"https://ror.org/001aqnf71"},{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"},{"id":"https://openalex.org/F4320335935","display_name":"Royal Holloway, University of London","ror":"https://ror.org/04g2vpn86"},{"id":"https://openalex.org/F4320338075","display_name":"Core Research for Evolutional Science and Technology","ror":"https://ror.org/00097mb19"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3209664619.pdf","grobid_xml":"https://content.openalex.org/works/W3209664619.grobid-xml"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W1987475429","https://openalex.org/W2106970188","https://openalex.org/W2124407183","https://openalex.org/W2127894733","https://openalex.org/W2132022887","https://openalex.org/W2515148583","https://openalex.org/W2566711147","https://openalex.org/W2740612841","https://openalex.org/W2741014554","https://openalex.org/W2883822506","https://openalex.org/W2903043053","https://openalex.org/W2913851998","https://openalex.org/W2960496836","https://openalex.org/W2988496150","https://openalex.org/W2990055785","https://openalex.org/W3090938627","https://openalex.org/W3108763476","https://openalex.org/W3135053459","https://openalex.org/W3211431797"],"related_works":["https://openalex.org/W2107613917","https://openalex.org/W3081181568","https://openalex.org/W1987809437","https://openalex.org/W1973103521","https://openalex.org/W2288311211","https://openalex.org/W2064146555","https://openalex.org/W2899908146","https://openalex.org/W1589278404","https://openalex.org/W1560383917","https://openalex.org/W2360979344","https://openalex.org/W3043915571","https://openalex.org/W112940539","https://openalex.org/W2773337229","https://openalex.org/W2546262497","https://openalex.org/W2937139675","https://openalex.org/W2951244588","https://openalex.org/W2406662171","https://openalex.org/W2787917805","https://openalex.org/W2952499149","https://openalex.org/W2766909070"],"abstract_inverted_index":{"Continuous":[0],"group":[1,18,40],"key":[2,45],"agreements":[3],"(CGKAs)":[4],"are":[5],"a":[6,36,49],"class":[7],"of":[8,72],"protocols":[9,20],"that":[10],"can":[11],"provide":[12],"strong":[13],"security":[14],"guarantees":[15],"to":[16],"secure":[17],"messaging":[19],"such":[21],"as":[22],"Signal":[23],"and":[24,56],"MLS.":[25],"Protection":[26],"against":[27],"device":[28],"compromise":[29],"is":[30,53],"provided":[31],"by":[32,47,58],"commit":[33,50,66],"messages:":[34],"at":[35],"regular":[37],"rate,":[38],"each":[39],"member":[41],"may":[42],"refresh":[43],"their":[44],"material":[46],"uploading":[48],"message,":[51],"which":[52],"then":[54],"downloaded":[55],"processed":[57],"all":[59],"the":[60,69],"other":[61],"members.":[62],"In":[63],"practice,":[64],"propagating":[65],"messages":[67],"dominates":[68],"bandwidth":[70],"consumption":[71],"existing":[73],"CGKAs.":[74]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}
