{"id":"https://openalex.org/W4312456366","doi":"https://doi.org/10.1109/jsyst.2022.3213245","title":"Improved Certificateless Aggregate Signature Scheme Against Collusion Attacks for VANETs","display_name":"Improved Certificateless Aggregate Signature Scheme Against Collusion Attacks for VANETs","publication_year":2022,"publication_date":"2022-11-03","ids":{"openalex":"https://openalex.org/W4312456366","doi":"https://doi.org/10.1109/jsyst.2022.3213245"},"language":"en","primary_location":{"id":"doi:10.1109/jsyst.2022.3213245","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2022.3213245","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"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 Systems Journal","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/A5062822850","display_name":"Wanjun Xiong","orcid":"https://orcid.org/0000-0003-2978-3945"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wanjun Xiong","raw_affiliation_strings":["School of Computer Science and Engineering, National Engineering Research Center for Digital Life, Sun Yet-sen University, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, National Engineering Research Center for Digital Life, Sun Yet-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000079751","display_name":"Ruomei Wang","orcid":"https://orcid.org/0000-0002-2712-4412"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruomei Wang","raw_affiliation_strings":["School of Computer Science and Engineering, National Engineering Research Center for Digital Life, Sun Yet-sen University, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, National Engineering Research Center for Digital Life, Sun Yet-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100700688","display_name":"Yujue Wang","orcid":"https://orcid.org/0000-0002-0951-8880"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yujue Wang","raw_affiliation_strings":["Hangzhou Innovation Institute, Beihang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Hangzhou Innovation Institute, Beihang University, Hangzhou, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027674774","display_name":"Yongzhuang Wei","orcid":"https://orcid.org/0000-0002-3371-4865"},"institutions":[{"id":"https://openalex.org/I5343935","display_name":"Guilin University of Electronic Technology","ror":"https://ror.org/05arjae42","country_code":"CN","type":"education","lineage":["https://openalex.org/I5343935"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongzhuang Wei","raw_affiliation_strings":["School of Computer Science and Information Security, Guilin University of Electronic Technology, Guilin, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Information Security, Guilin University of Electronic Technology, Guilin, China","institution_ids":["https://openalex.org/I5343935"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090896025","display_name":"Fan Zhou","orcid":"https://orcid.org/0000-0002-0400-9366"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fan Zhou","raw_affiliation_strings":["School of Computer Science and Engineering, National Engineering Research Center for Digital Life, Sun Yet-sen University, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, National Engineering Research Center for Digital Life, Sun Yet-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100426931","display_name":"Xiaonan Luo","orcid":"https://orcid.org/0000-0002-0751-5045"},"institutions":[{"id":"https://openalex.org/I5343935","display_name":"Guilin University of Electronic Technology","ror":"https://ror.org/05arjae42","country_code":"CN","type":"education","lineage":["https://openalex.org/I5343935"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaonan Luo","raw_affiliation_strings":["School of Computer Science and Information Security, Guilin University of Electronic Technology, Guilin, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Information Security, Guilin University of Electronic Technology, Guilin, China","institution_ids":["https://openalex.org/I5343935"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5062822850"],"corresponding_institution_ids":["https://openalex.org/I157773358"],"apc_list":null,"apc_paid":null,"fwci":3.8784,"has_fulltext":false,"cited_by_count":48,"citation_normalized_percentile":{"value":0.94340556,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"17","issue":"1","first_page":"1098","last_page":"1109"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10761","display_name":"Vehicular Ad Hoc Networks (VANETs)","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10761","display_name":"Vehicular Ad Hoc Networks (VANETs)","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11504","display_name":"Advanced Authentication Protocols Security","score":0.998199999332428,"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":0.9908999800682068,"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/collusion","display_name":"Collusion","score":0.8881767392158508},{"id":"https://openalex.org/keywords/key-escrow","display_name":"Key escrow","score":0.8526639342308044},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.7405955791473389},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.699151337146759},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.682936429977417},{"id":"https://openalex.org/keywords/authentication","display_name":"Authentication (law)","score":0.5709577798843384},{"id":"https://openalex.org/keywords/public-key-infrastructure","display_name":"Public key infrastructure","score":0.5696443319320679},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.5194770693778992},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4647734761238098},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.4527469277381897},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.15525612235069275},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.08847525715827942},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08176171779632568}],"concepts":[{"id":"https://openalex.org/C2781198186","wikidata":"https://www.wikidata.org/wiki/Q701521","display_name":"Collusion","level":2,"score":0.8881767392158508},{"id":"https://openalex.org/C205533965","wikidata":"https://www.wikidata.org/wiki/Q1367345","display_name":"Key escrow","level":4,"score":0.8526639342308044},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.7405955791473389},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.699151337146759},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.682936429977417},{"id":"https://openalex.org/C148417208","wikidata":"https://www.wikidata.org/wiki/Q4825882","display_name":"Authentication (law)","level":2,"score":0.5709577798843384},{"id":"https://openalex.org/C72648740","wikidata":"https://www.wikidata.org/wiki/Q658476","display_name":"Public key infrastructure","level":4,"score":0.5696443319320679},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.5194770693778992},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4647734761238098},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.4527469277381897},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.15525612235069275},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.08847525715827942},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08176171779632568},{"id":"https://openalex.org/C40700","wikidata":"https://www.wikidata.org/wiki/Q1411783","display_name":"Industrial organization","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsyst.2022.3213245","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2022.3213245","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"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 Systems Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.6299999952316284,"display_name":"Industry, innovation and infrastructure"}],"awards":[{"id":"https://openalex.org/G328423915","display_name":null,"funder_award_id":"62162017","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1569083856","https://openalex.org/W1591524234","https://openalex.org/W1667889362","https://openalex.org/W2012382733","https://openalex.org/W2035204644","https://openalex.org/W2073245107","https://openalex.org/W2121247918","https://openalex.org/W2128628587","https://openalex.org/W2466821819","https://openalex.org/W2470568993","https://openalex.org/W2558465299","https://openalex.org/W2586333888","https://openalex.org/W2768993938","https://openalex.org/W2794799331","https://openalex.org/W2810148429","https://openalex.org/W2897645146","https://openalex.org/W2905646440","https://openalex.org/W2908246778","https://openalex.org/W2910746150","https://openalex.org/W2976401281","https://openalex.org/W2978245615","https://openalex.org/W2990967211","https://openalex.org/W3005811485","https://openalex.org/W3007971370","https://openalex.org/W3015003218","https://openalex.org/W3080871722","https://openalex.org/W3096824730","https://openalex.org/W3120179717","https://openalex.org/W3134621771","https://openalex.org/W3215903849","https://openalex.org/W6777982310"],"related_works":["https://openalex.org/W2763050151","https://openalex.org/W2922233098","https://openalex.org/W2001371286","https://openalex.org/W1606380665","https://openalex.org/W1915479549","https://openalex.org/W2994213367","https://openalex.org/W2036546368","https://openalex.org/W1955053247","https://openalex.org/W2915550258","https://openalex.org/W2904680211"],"abstract_inverted_index":{"Vehicle":[0],"ad-hoc":[1],"networks":[2],"(VANETs)":[3],"can":[4],"offer":[5],"numerous":[6],"benefits,":[7],"but":[8,132],"also":[9,133],"face":[10],"many":[11],"privacy":[12,126],"and":[13,22,32,114,127],"security":[14,42,128],"issues.":[15],"There":[16],"exist":[17],"the":[18,41,53,89,93,119],"certificate":[19],"management":[20],"burden":[21],"key":[23,29],"escrow":[24],"issue":[25],"in":[26],"traditional":[27],"public":[28],"infrastructure":[30],"(PKI)-based":[31],"identity":[33],"(ID)-based":[34],"privacy-preserving":[35],"authentication":[36,139],"schemes,":[37],"respectively.":[38],"In":[39],"addition,":[40],"of":[43,92],"some":[44],"existing":[45,138],"cryptographic":[46],"schemes":[47],"depends":[48],"on":[49],"strong":[50],"assumptions":[51],"about":[52],"ideal":[54],"tamper-proof":[55],"devices.":[56],"To":[57],"address":[58],"these":[59],"issues,":[60],"a":[61],"certificateless":[62],"aggregate":[63,94],"signature":[64,95],"(CLAS)":[65],"scheme":[66,82,106,122],"for":[67,110,130],"VANETs":[68,111],"has":[69],"been":[70],"proposed,":[71],"which":[72,87],"was":[73],"claimed":[74],"provably":[75],"unforgeable.":[76],"However,":[77],"we":[78],"found":[79],"that":[80,118],"this":[81,100],"cannot":[83],"resist":[84],"collusion":[85,108],"attacks,":[86],"means":[88],"equivalent":[90],"validity":[91],"would":[96],"be":[97],"broken.":[98],"Therefore,":[99],"article":[101],"proposes":[102],"an":[103],"improved":[104],"CLAS":[105],"against":[107],"attacks":[109],"(CA-CLAS).":[112],"Security":[113],"performance":[115],"analyses":[116],"show":[117],"proposed":[120],"CA-CLAS":[121],"not":[123],"only":[124],"offers":[125],"guarantees":[129],"VANETs,":[131],"improves":[134],"efficiency":[135],"compared":[136],"to":[137],"schemes.":[140]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":22},{"year":2024,"cited_by_count":13},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":1}],"updated_date":"2026-04-14T08:04:32.555800","created_date":"2025-10-10T00:00:00"}