{"id":"https://openalex.org/W3082448458","doi":"https://doi.org/10.2478/popets-2021-0079","title":"Mercurial Signatures for Variable-Length Messages","display_name":"Mercurial Signatures for Variable-Length Messages","publication_year":2021,"publication_date":"2021-07-23","ids":{"openalex":"https://openalex.org/W3082448458","doi":"https://doi.org/10.2478/popets-2021-0079","mag":"3082448458"},"language":"en","primary_location":{"id":"doi:10.2478/popets-2021-0079","is_oa":true,"landing_page_url":"https://doi.org/10.2478/popets-2021-0079","pdf_url":"https://petsymposium.org/popets/2021/popets-2021-0079.pdf","source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://petsymposium.org/popets/2021/popets-2021-0079.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088699070","display_name":"Elizabeth C. Crites","orcid":"https://orcid.org/0000-0001-9992-1771"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Elizabeth C. Crites","raw_affiliation_strings":["IOHK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IOHK","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009958147","display_name":"Anna Lysyanskaya","orcid":"https://orcid.org/0000-0002-3567-3550"},"institutions":[{"id":"https://openalex.org/I175594653","display_name":"John Brown University","ror":"https://ror.org/02ct41q97","country_code":"US","type":"education","lineage":["https://openalex.org/I175594653"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Anna Lysyanskaya","raw_affiliation_strings":["Brown University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Brown University","institution_ids":["https://openalex.org/I175594653"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.02867793,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2021","issue":"4","first_page":"441","last_page":"463"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12162","display_name":"Cellular Automata and Applications","score":0.9265999794006348,"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"}},"topics":[{"id":"https://openalex.org/T12162","display_name":"Cellular Automata and Applications","score":0.9265999794006348,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/variable","display_name":"Variable (mathematics)","score":0.6571332812309265},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6336593627929688},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.38121461868286133},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.18251371383666992}],"concepts":[{"id":"https://openalex.org/C182365436","wikidata":"https://www.wikidata.org/wiki/Q50701","display_name":"Variable (mathematics)","level":2,"score":0.6571332812309265},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6336593627929688},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.38121461868286133},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.18251371383666992},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2478/popets-2021-0079","is_oa":true,"landing_page_url":"https://doi.org/10.2478/popets-2021-0079","pdf_url":"https://petsymposium.org/popets/2021/popets-2021-0079.pdf","source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"},{"id":"mag:3082448458","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":{"id":"doi:10.2478/popets-2021-0079","is_oa":true,"landing_page_url":"https://doi.org/10.2478/popets-2021-0079","pdf_url":"https://petsymposium.org/popets/2021/popets-2021-0079.pdf","source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G634078905","display_name":"Glass Houses: Transparency and Privacy in Information Economies","funder_award_id":"EP/N028104/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G813308517","display_name":"TWC: Small: Empowering Anonymity","funder_award_id":"1422361","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3082448458.pdf","grobid_xml":"https://content.openalex.org/works/W3082448458.grobid-xml"},"referenced_works_count":23,"referenced_works":["https://openalex.org/W172970726","https://openalex.org/W590460207","https://openalex.org/W1499934958","https://openalex.org/W1505345253","https://openalex.org/W1530906000","https://openalex.org/W1565871930","https://openalex.org/W1589034595","https://openalex.org/W1887013885","https://openalex.org/W1888254701","https://openalex.org/W1900771389","https://openalex.org/W2082525861","https://openalex.org/W2100460660","https://openalex.org/W2104648615","https://openalex.org/W2141395382","https://openalex.org/W2150399720","https://openalex.org/W2165210192","https://openalex.org/W2295240905","https://openalex.org/W2516136421","https://openalex.org/W2789397092","https://openalex.org/W2792310864","https://openalex.org/W2895316331","https://openalex.org/W2911581644","https://openalex.org/W2913105718"],"related_works":[],"abstract_inverted_index":{"Abstract":[0],"Mercurial":[1],"signatures":[2,99],"are":[3],"a":[4,23,27,31,39,84,101,156],"useful":[5],"building":[6],"block":[7],"for":[8,55],"privacy-preserving":[9],"schemes,":[10],"such":[11],"as":[12],"anonymous":[13,16],"credentials,":[14,17],"delegatable":[15],"and":[18,64,74,76,131],"related":[19],"applications.":[20],"They":[21],"allow":[22],"signature":[24,40],"\u03c3":[25,41],"on":[26,43],"message":[28,46,152],"m":[29,47,75,77],"under":[30,49,149,155],"public":[32,52,115],"key":[33,53,116],"pk":[34,63],"to":[35,86,106],"be":[36,67,80,119],"transformed":[37],"into":[38],"\u2032":[42,48,78],"an":[44,50,56,133],"equivalent":[45,51],"pk\u2032":[54,65],"appropriate":[57],"notion":[58],"of":[59,70,83,97,109,120,140,158],"equivalence.":[60],"For":[61],"example,":[62],"may":[66,79],"unlinkable":[68,81],"pseudonyms":[69,82],"the":[71,113,159],"same":[72],"user,":[73],"user":[85],"whom":[87],"some":[88],"capability":[89],"is":[90],"delegated.":[91],"The":[92],"only":[93],"previously":[94],"known":[95],"construction":[96],"mercurial":[98],"suffers":[100],"severe":[102],"limitation:":[103],"in":[104],"order":[105],"sign":[107],"messages":[108,139],"length":[110,121],"\u2113":[111,122],",":[112],"signer\u2019s":[114],"must":[117],"also":[118],".":[123],"In":[124],"this":[125,129],"paper,":[126],"we":[127],"eliminate":[128],"restriction":[130],"provide":[132],"interactive":[134],"signing":[135],"protocol":[136],"that":[137],"admits":[138],"any":[141],"length.":[142],"We":[143],"prove":[144],"our":[145],"scheme":[146],"existentially":[147],"unforgeable":[148],"chosen":[150],"open":[151],"attacks":[153],"(EUF-CoMA)":[154],"variant":[157],"asymmetric":[160],"bilinear":[161],"decisional":[162],"Diffie-Hellman":[163],"assumption":[164],"(ABDDH).":[165]},"counts_by_year":[],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}
