{"id":"https://openalex.org/W2893315361","doi":"https://doi.org/10.1145/3319535.3345652","title":"Transparency Logs via Append-Only Authenticated Dictionaries","display_name":"Transparency Logs via Append-Only Authenticated Dictionaries","publication_year":2019,"publication_date":"2019-11-06","ids":{"openalex":"https://openalex.org/W2893315361","doi":"https://doi.org/10.1145/3319535.3345652","mag":"2893315361"},"language":"en","primary_location":{"id":"doi:10.1145/3319535.3345652","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3319535.3345652","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3319535.3345652","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3319535.3345652","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061386057","display_name":"Alin Tomescu","orcid":null},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Alin Tomescu","raw_affiliation_strings":["Massachusetts Institute of Technology, Cambridge, MA, USA","Massachusetts Institute of Technology Cambridge, MA USA"],"affiliations":[{"raw_affiliation_string":"Massachusetts Institute of Technology, Cambridge, MA, USA","institution_ids":["https://openalex.org/I63966007"]},{"raw_affiliation_string":"Massachusetts Institute of Technology Cambridge, MA USA","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065259033","display_name":"Vivek Bhupatiraju","orcid":null},"institutions":[{"id":"https://openalex.org/I4210143528","display_name":"Lexington City Schools","ror":"https://ror.org/043f52r95","country_code":"US","type":"education","lineage":["https://openalex.org/I4210143528"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Vivek Bhupatiraju","raw_affiliation_strings":["Lexington High School & MIT PRIMES, Lexington, MA, USA","Lexington High School & MIT PRIMES, Lexington, MA, USA"],"affiliations":[{"raw_affiliation_string":"Lexington High School & MIT PRIMES, Lexington, MA, USA","institution_ids":["https://openalex.org/I4210143528"]},{"raw_affiliation_string":"Lexington High School & MIT PRIMES, Lexington, MA, USA","institution_ids":["https://openalex.org/I4210143528"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047171761","display_name":"Dimitrios Papadopoulos","orcid":"https://orcid.org/0000-0003-2621-3015"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Dimitrios Papadopoulos","raw_affiliation_strings":["Hong Kong University of Science and Technology, Hong Kong, Hong Kong","Hong Kong University of Science & Technology, Hong Kong, Hong Kong#TAB#"],"affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Hong Kong University of Science & Technology, Hong Kong, Hong Kong#TAB#","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056111614","display_name":"Charalampos Papamanthou","orcid":"https://orcid.org/0000-0002-1905-9403"},"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":"Charalampos Papamanthou","raw_affiliation_strings":["University of Maryland, College Park, DC, USA"],"affiliations":[{"raw_affiliation_string":"University of Maryland, College Park, DC, USA","institution_ids":["https://openalex.org/I66946132"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110069498","display_name":"Nikos Triandopoulos","orcid":null},"institutions":[{"id":"https://openalex.org/I108468826","display_name":"Stevens Institute of Technology","ror":"https://ror.org/02z43xh36","country_code":"US","type":"education","lineage":["https://openalex.org/I108468826"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Nikos Triandopoulos","raw_affiliation_strings":["Stevens Institute of Technology, Hoboken, NJ, USA","Stevens Inst. of Tech., Hoboken, NJ (USA)"],"affiliations":[{"raw_affiliation_string":"Stevens Institute of Technology, Hoboken, NJ, USA","institution_ids":["https://openalex.org/I108468826"]},{"raw_affiliation_string":"Stevens Inst. of Tech., Hoboken, NJ (USA)","institution_ids":["https://openalex.org/I108468826"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000525449","display_name":"Srinivas Devadas","orcid":"https://orcid.org/0000-0001-8253-7714"},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Srinivas Devadas","raw_affiliation_strings":["Massachusetts Institute of Technology, Cambridge, MA, USA","Massachusetts Institute of Technology Cambridge, MA USA"],"affiliations":[{"raw_affiliation_string":"Massachusetts Institute of Technology, Cambridge, MA, USA","institution_ids":["https://openalex.org/I63966007"]},{"raw_affiliation_string":"Massachusetts Institute of Technology Cambridge, MA USA","institution_ids":["https://openalex.org/I63966007"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5061386057"],"corresponding_institution_ids":["https://openalex.org/I63966007"],"apc_list":null,"apc_paid":null,"fwci":0.4335,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.70286984,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"2018","issue":null,"first_page":"1299","last_page":"1316"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9987999796867371,"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":0.9987999796867371,"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/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":0.9980000257492065,"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/T11424","display_name":"Security and Verification in Computing","score":0.9876999855041504,"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/append","display_name":"Append","score":0.8593425750732422},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8199746012687683},{"id":"https://openalex.org/keywords/mathematical-proof","display_name":"Mathematical proof","score":0.686242938041687},{"id":"https://openalex.org/keywords/transparency","display_name":"Transparency (behavior)","score":0.6810979843139648},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.5634407997131348},{"id":"https://openalex.org/keywords/audit","display_name":"Audit","score":0.49880552291870117},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.445513516664505},{"id":"https://openalex.org/keywords/certificate","display_name":"Certificate","score":0.4290030002593994},{"id":"https://openalex.org/keywords/accounting","display_name":"Accounting","score":0.2890588343143463},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.2599714994430542},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.13168662786483765},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09807610511779785},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.08802351355552673}],"concepts":[{"id":"https://openalex.org/C2777998813","wikidata":"https://www.wikidata.org/wiki/Q16869124","display_name":"Append","level":2,"score":0.8593425750732422},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8199746012687683},{"id":"https://openalex.org/C108710211","wikidata":"https://www.wikidata.org/wiki/Q11538","display_name":"Mathematical proof","level":2,"score":0.686242938041687},{"id":"https://openalex.org/C2780233690","wikidata":"https://www.wikidata.org/wiki/Q535347","display_name":"Transparency (behavior)","level":2,"score":0.6810979843139648},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5634407997131348},{"id":"https://openalex.org/C199521495","wikidata":"https://www.wikidata.org/wiki/Q181487","display_name":"Audit","level":2,"score":0.49880552291870117},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.445513516664505},{"id":"https://openalex.org/C96865113","wikidata":"https://www.wikidata.org/wiki/Q2946816","display_name":"Certificate","level":2,"score":0.4290030002593994},{"id":"https://openalex.org/C121955636","wikidata":"https://www.wikidata.org/wiki/Q4116214","display_name":"Accounting","level":1,"score":0.2890588343143463},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.2599714994430542},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.13168662786483765},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09807610511779785},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.08802351355552673},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3319535.3345652","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3319535.3345652","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3319535.3345652","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.ust.hk:1783.1-101268","is_oa":false,"landing_page_url":"http://lbdiscover.ust.hk/uresolver?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rfr_id=info:sid/HKUST:SPI&rft.genre=article&rft.issn=1543-7221&rft.volume=&rft.issue=&rft.date=2019&rft.spage=1299&rft.aulast=Tomescu&rft.aufirst=&rft.atitle=Transparency+logs+via+append-only+authenticated+dictionaries&rft.title=Proceedings+of+the+ACM+Conference+on+Computer+and+Communications+Security","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference paper"},{"id":"mag:2893315361","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:10.1145/3319535.3345652","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3319535.3345652","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3319535.3345652","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.5400000214576721,"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4"}],"awards":[{"id":"https://openalex.org/G3851684663","display_name":null,"funder_award_id":"1514261, 1652259","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6243412547","display_name":"SaTC: CORE: Small: Collaborative: An Integrated Approach for Enterprise Intrusion-Resilience","funder_award_id":"1718782","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6260487398","display_name":"TWC: TTP Option: Frontier: Collaborative: MACS: A Modular Approach to Cloud Security","funder_award_id":"1413920","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6876011877","display_name":null,"funder_award_id":"1652259","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G7111527063","display_name":null,"funder_award_id":"1514261","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G730061038","display_name":null,"funder_award_id":"N66001-15-C-4066","funder_id":"https://openalex.org/F4320332180","funder_display_name":"Defense Advanced Research Projects Agency"},{"id":"https://openalex.org/G7734272266","display_name":null,"funder_award_id":"1413920, 1718782, 1514261, 1652259","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/F4320332178","display_name":"National Institute of Standards and Technology","ror":"https://ror.org/05xpvk416"},{"id":"https://openalex.org/F4320332180","display_name":"Defense Advanced Research Projects Agency","ror":"https://ror.org/02caytj08"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2893315361.pdf","grobid_xml":"https://content.openalex.org/works/W2893315361.grobid-xml"},"referenced_works_count":32,"referenced_works":["https://openalex.org/W4180724","https://openalex.org/W1502896015","https://openalex.org/W1528195422","https://openalex.org/W1532836984","https://openalex.org/W1551041907","https://openalex.org/W1593549950","https://openalex.org/W1784881995","https://openalex.org/W1909324101","https://openalex.org/W1970808997","https://openalex.org/W2020275826","https://openalex.org/W2028358228","https://openalex.org/W2055072018","https://openalex.org/W2057636642","https://openalex.org/W2067047774","https://openalex.org/W2078872626","https://openalex.org/W2083694582","https://openalex.org/W2095738444","https://openalex.org/W2099175354","https://openalex.org/W2100522554","https://openalex.org/W2134679597","https://openalex.org/W2142072177","https://openalex.org/W2159801413","https://openalex.org/W2258341651","https://openalex.org/W2405633850","https://openalex.org/W2513866749","https://openalex.org/W2741945342","https://openalex.org/W2765206040","https://openalex.org/W2962762821","https://openalex.org/W2963997141","https://openalex.org/W3022540164","https://openalex.org/W3098142495","https://openalex.org/W3137092842"],"related_works":["https://openalex.org/W2564356477","https://openalex.org/W1987593503","https://openalex.org/W2169904926","https://openalex.org/W2098721736","https://openalex.org/W2220842785","https://openalex.org/W2808441497","https://openalex.org/W2598425347","https://openalex.org/W2970340064","https://openalex.org/W2911434950","https://openalex.org/W2122637856","https://openalex.org/W2743966916","https://openalex.org/W3007071255","https://openalex.org/W2552540958","https://openalex.org/W2522086013","https://openalex.org/W33948074","https://openalex.org/W2945140579","https://openalex.org/W3133179382","https://openalex.org/W2083919270","https://openalex.org/W1977830500","https://openalex.org/W3173501176"],"abstract_inverted_index":{"Transparency":[0,21],"logs":[1,42,76],"allow":[2],"users":[3],"to":[4,26,36,55,106,131,164,167],"audit":[5,27],"a":[6,14,118],"potentially":[7],"malicious":[8],"service,":[9],"paving":[10],"the":[11,66,89,96,99,108,129,150],"way":[12],"towards":[13],"more":[15],"accountable":[16],"Internet.":[17],"For":[18],"example,":[19],"Certificate":[20,28],"(CT)":[22],"enables":[23],"domain":[24],"owners":[25],"Authorities":[29],"(CAs)":[30],"and":[31,82,139,156],"detect":[32],"impersonation":[33],"attacks.":[34],"Yet,":[35],"achieve":[37,132],"their":[38,61],"full":[39],"potential,":[40],"transparency":[41,75,145],"must":[43],"be":[44,53,165],"bandwidth-efficient":[45],"when":[46],"queried":[47],"by":[48,60],"users.":[49],"Specifically,":[50],"everyone":[51,105],"should":[52],"able":[54],"efficientlylook":[56],"up":[57],"log":[58,67],"entries":[59],"keyand":[62],"efficiently":[63],"verify":[64],"that":[65],"remainsappend-only.":[68],"Unfortunately,":[69],"without":[70],"additional":[71],"trust":[72],"assumptions,":[73],"current":[74],"cannot":[77],"provide":[78],"both":[79,136,160],"small-sizedlookup":[80],"proofs":[81,90],"small-sizedappend-only":[83],"proofs.":[84],"In":[85,110],"fact,":[86],"one":[87],"of":[88,98,152,161],"always":[91],"requires":[92],"bandwidth":[93,142],"linear":[94],"in":[95,144],"size":[97,134],"log,":[100],"making":[101],"it":[102],"expensive":[103],"for":[104,135],"query":[107],"log.":[109],"this":[111,115],"paper,":[112],"we":[113],"address":[114],"gap":[116],"with":[117],"new":[119],"primitive":[120],"called":[121],"anappend-only":[122],"authenticated":[123],"dictionary":[124],"(AAD).":[125],"Our":[126],"construction":[127],"is":[128],"first":[130],"(poly)logarithmic":[133],"proof":[137],"types":[138],"helps":[140],"reduce":[141],"consumption":[143],"logs.":[146],"This":[147],"comes":[148],"at":[149],"cost":[151],"increased":[153],"append":[154],"times":[155],"high":[157],"memory":[158],"usage,":[159],"which":[162],"remain":[163],"improved":[166],"make":[168],"practical":[169],"deployment":[170],"possible.":[171]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2019,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}