{"id":"https://openalex.org/W2103545844","doi":"https://doi.org/10.1109/tifs.2011.2161290","title":"Efficient Designated Confirmer Signature and DCS-Based Ambiguous Optimistic Fair Exchange","display_name":"Efficient Designated Confirmer Signature and DCS-Based Ambiguous Optimistic Fair Exchange","publication_year":2011,"publication_date":"2011-07-07","ids":{"openalex":"https://openalex.org/W2103545844","doi":"https://doi.org/10.1109/tifs.2011.2161290","mag":"2103545844"},"language":"en","primary_location":{"id":"doi:10.1109/tifs.2011.2161290","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tifs.2011.2161290","pdf_url":null,"source":{"id":"https://openalex.org/S61310614","display_name":"IEEE Transactions on Information Forensics and Security","issn_l":"1556-6013","issn":["1556-6013","1556-6021"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Information Forensics and Security","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":"https://openalex.org/A5011282586","display_name":"Qiong Huang","orcid":"https://orcid.org/0000-0002-7666-8985"},"institutions":[{"id":"https://openalex.org/I101479585","display_name":"South China Agricultural University","ror":"https://ror.org/05v9jqt67","country_code":"CN","type":"education","lineage":["https://openalex.org/I101479585"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Qiong Huang","raw_affiliation_strings":["College of Informatics, South China Agricultural University, Tianhe, Guangzhou, China","Coll. of Inf., South China Agric. Univ., Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Informatics, South China Agricultural University, Tianhe, Guangzhou, China","institution_ids":["https://openalex.org/I101479585"]},{"raw_affiliation_string":"Coll. of Inf., South China Agric. Univ., Guangzhou, China","institution_ids":["https://openalex.org/I101479585"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113580468","display_name":"Duncan S. Wong","orcid":null},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Duncan S. Wong","raw_affiliation_strings":["Department of Computer Science, City University of Hong Kong, Hong Kong, China","Dept. of Computer Science, City University of Hong Kong, Kowloon, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, City University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I168719708"]},{"raw_affiliation_string":"Dept. of Computer Science, City University of Hong Kong, Kowloon, China","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054741725","display_name":"Willy Susilo","orcid":"https://orcid.org/0000-0002-1562-5105"},"institutions":[{"id":"https://openalex.org/I204824540","display_name":"University of Wollongong","ror":"https://ror.org/00jtmb277","country_code":"AU","type":"education","lineage":["https://openalex.org/I204824540"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Willy Susilo","raw_affiliation_strings":["University of Wollongong, Wollongong, NSW, Australia","University of Wollongong, Wollongong, NSW,\u00a0Australia"],"affiliations":[{"raw_affiliation_string":"University of Wollongong, Wollongong, NSW, Australia","institution_ids":["https://openalex.org/I204824540"]},{"raw_affiliation_string":"University of Wollongong, Wollongong, NSW,\u00a0Australia","institution_ids":["https://openalex.org/I204824540"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5011282586"],"corresponding_institution_ids":["https://openalex.org/I101479585"],"apc_list":null,"apc_paid":null,"fwci":2.993,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.91851575,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"6","issue":"4","first_page":"1233","last_page":"1247"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9998000264167786,"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":0.9998000264167786,"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/computer-science","display_name":"Computer science","score":0.7717410326004028},{"id":"https://openalex.org/keywords/signature","display_name":"Signature (topology)","score":0.7149924039840698},{"id":"https://openalex.org/keywords/digital-signature","display_name":"Digital signature","score":0.6867778301239014},{"id":"https://openalex.org/keywords/ring-signature","display_name":"Ring signature","score":0.6404527425765991},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.6122639179229736},{"id":"https://openalex.org/keywords/group-signature","display_name":"Group signature","score":0.6091011762619019},{"id":"https://openalex.org/keywords/schnorr-signature","display_name":"Schnorr signature","score":0.5934339761734009},{"id":"https://openalex.org/keywords/elgamal-signature-scheme","display_name":"ElGamal signature scheme","score":0.5591325163841248},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.5362609624862671},{"id":"https://openalex.org/keywords/merkle-signature-scheme","display_name":"Merkle signature scheme","score":0.48070889711380005},{"id":"https://openalex.org/keywords/construct","display_name":"Construct (python library)","score":0.45423951745033264},{"id":"https://openalex.org/keywords/group","display_name":"Group (periodic table)","score":0.4261441230773926},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.37039750814437866},{"id":"https://openalex.org/keywords/blind-signature","display_name":"Blind signature","score":0.32740217447280884},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.28598302602767944},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.27435553073883057},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16867223381996155},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.14095792174339294},{"id":"https://openalex.org/keywords/hash-function","display_name":"Hash function","score":0.0679095983505249}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7717410326004028},{"id":"https://openalex.org/C2779696439","wikidata":"https://www.wikidata.org/wiki/Q7512811","display_name":"Signature (topology)","level":2,"score":0.7149924039840698},{"id":"https://openalex.org/C118463975","wikidata":"https://www.wikidata.org/wiki/Q220849","display_name":"Digital signature","level":3,"score":0.6867778301239014},{"id":"https://openalex.org/C168941894","wikidata":"https://www.wikidata.org/wiki/Q3483645","display_name":"Ring signature","level":4,"score":0.6404527425765991},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.6122639179229736},{"id":"https://openalex.org/C148408913","wikidata":"https://www.wikidata.org/wiki/Q5611269","display_name":"Group signature","level":4,"score":0.6091011762619019},{"id":"https://openalex.org/C124968333","wikidata":"https://www.wikidata.org/wiki/Q1465057","display_name":"Schnorr signature","level":5,"score":0.5934339761734009},{"id":"https://openalex.org/C132860680","wikidata":"https://www.wikidata.org/wiki/Q1328731","display_name":"ElGamal signature scheme","level":5,"score":0.5591325163841248},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.5362609624862671},{"id":"https://openalex.org/C40404285","wikidata":"https://www.wikidata.org/wiki/Q1921816","display_name":"Merkle signature scheme","level":5,"score":0.48070889711380005},{"id":"https://openalex.org/C2780801425","wikidata":"https://www.wikidata.org/wiki/Q5164392","display_name":"Construct (python library)","level":2,"score":0.45423951745033264},{"id":"https://openalex.org/C2781311116","wikidata":"https://www.wikidata.org/wiki/Q83306","display_name":"Group (periodic table)","level":2,"score":0.4261441230773926},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.37039750814437866},{"id":"https://openalex.org/C18899389","wikidata":"https://www.wikidata.org/wiki/Q2736593","display_name":"Blind signature","level":4,"score":0.32740217447280884},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.28598302602767944},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.27435553073883057},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16867223381996155},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.14095792174339294},{"id":"https://openalex.org/C99138194","wikidata":"https://www.wikidata.org/wiki/Q183427","display_name":"Hash function","level":2,"score":0.0679095983505249},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tifs.2011.2161290","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tifs.2011.2161290","pdf_url":null,"source":{"id":"https://openalex.org/S61310614","display_name":"IEEE Transactions on Information Forensics and Security","issn_l":"1556-6013","issn":["1556-6013","1556-6021"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Information Forensics and Security","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":66,"referenced_works":["https://openalex.org/W45815075","https://openalex.org/W104938420","https://openalex.org/W1490323573","https://openalex.org/W1496869064","https://openalex.org/W1500682127","https://openalex.org/W1505884345","https://openalex.org/W1524731569","https://openalex.org/W1541330898","https://openalex.org/W1543236049","https://openalex.org/W1546996295","https://openalex.org/W1548618228","https://openalex.org/W1552832232","https://openalex.org/W1553301576","https://openalex.org/W1561489932","https://openalex.org/W1571549563","https://openalex.org/W1574149717","https://openalex.org/W1575668825","https://openalex.org/W1590696383","https://openalex.org/W1591954407","https://openalex.org/W1592092778","https://openalex.org/W1607933920","https://openalex.org/W1751556912","https://openalex.org/W1884630657","https://openalex.org/W1958691507","https://openalex.org/W1995926987","https://openalex.org/W2032218333","https://openalex.org/W2081031758","https://openalex.org/W2095708839","https://openalex.org/W2097475480","https://openalex.org/W2100460660","https://openalex.org/W2101803085","https://openalex.org/W2104326461","https://openalex.org/W2112240651","https://openalex.org/W2117797270","https://openalex.org/W2125060793","https://openalex.org/W2141395382","https://openalex.org/W2143832005","https://openalex.org/W2153906688","https://openalex.org/W2161140461","https://openalex.org/W2622017675","https://openalex.org/W2911473785","https://openalex.org/W2951382491","https://openalex.org/W3029299770","https://openalex.org/W4205482880","https://openalex.org/W4285719527","https://openalex.org/W6604159710","https://openalex.org/W6629737616","https://openalex.org/W6630475323","https://openalex.org/W6632338893","https://openalex.org/W6632599434","https://openalex.org/W6632751028","https://openalex.org/W6632764868","https://openalex.org/W6633338311","https://openalex.org/W6633741499","https://openalex.org/W6633841576","https://openalex.org/W6634319600","https://openalex.org/W6634465815","https://openalex.org/W6635278802","https://openalex.org/W6635362423","https://openalex.org/W6635412825","https://openalex.org/W6636487532","https://openalex.org/W6640730785","https://openalex.org/W6675056159","https://openalex.org/W6677430154","https://openalex.org/W6681017389","https://openalex.org/W6758890960"],"related_works":["https://openalex.org/W2151288616","https://openalex.org/W2407618154","https://openalex.org/W2372089223","https://openalex.org/W2348274958","https://openalex.org/W2134107133","https://openalex.org/W2119547174","https://openalex.org/W2356237935","https://openalex.org/W1565842368","https://openalex.org/W2379490007","https://openalex.org/W2375852898"],"abstract_inverted_index":{"Designated":[0],"confirmer":[1,13,44,136],"signature":[2,7,34,98,172,190],"(DCS)":[3],"extends":[4],"the":[5,20,56,70,117,122,138,165],"undeniable":[6],"so":[8],"that":[9],"a":[10,29,32,43,51,77,135,146,188],"party":[11],"called":[12],"can":[14,27,124],"also":[15,54,95],"confirm/disavow":[16],"nonself-authenticating":[17],"signatures":[18,162],"on":[19,164],"signer's":[21,71],"behalf.":[22],"Previous":[23],"DCS":[24,52,79,90,102,167],"schemes,":[25],"however,":[26],"let":[28],"signer":[30,57],"confirm":[31],"valid":[33],"but":[35],"not":[36],"disavow":[37],"an":[38,151,178],"invalid":[39],"one,":[40],"while":[41],"only":[42,105,141,192],"can.":[45],"It":[46],"remains":[47],"open":[48],"to":[49,58,73,127],"construct":[50],"which":[53,196],"allows":[55],"disavow.":[59,74],"In":[60,120],"this":[61,100],"work,":[62],"we":[63,149],"propose":[64,76,150],"new":[65,78,89,101,166],"security":[66,84],"models":[67],"for":[68],"formalizing":[69],"ability":[72],"We":[75],"scheme":[80,91,123,204,210],"and":[81,94,131,182,187,207],"prove":[82],"its":[83],"without":[85],"random":[86],"oracles.":[87],"The":[88],"is":[92,111],"efficient":[93,152],"convertible.":[96],"A":[97,169],"in":[99,145,177,184,201],"consists":[103,173],"of":[104,116,140,154,160,174],"three":[106,175,193],"bilinear":[107],"group":[108,143,181,185,194],"elements.":[109],"This":[110],"much":[112],"shorter":[113,198],"than":[114,199],"any":[115],"existing":[118],"schemes.":[119],"addition,":[121],"be":[125],"extended":[126],"support":[128],"multiple":[129],"confirmers":[130],"threshold":[132],"conversion.":[133],"Adding":[134],"incurs":[137],"addition":[139],"one":[142],"element":[144],"signature.":[147],"Furthermore,":[148],"construction":[153],"ambiguous":[155],"optimistic":[156],"fair":[157],"exchange":[158],"(AOFE)":[159],"digital":[161],"based":[163],"scheme.":[168],"partial":[170],"AOFE":[171],"elements":[176],"elliptic":[179],"curve":[180],"four":[183],",":[186],"full":[189],"has":[191],"elements,":[195],"are":[197],"those":[200],"Garay":[202],"'s":[203,209],"(Crypto":[205],"1999)":[206],"Huang":[208],"(Asiacrypt":[211],"2008).":[212]},"counts_by_year":[{"year":2020,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}