{"id":"https://openalex.org/W2124953161","doi":"https://doi.org/10.3233/jcs-2007-0306","title":"Secrecy for bounded security protocols with freshness check is NEXPTIME-complete*","display_name":"Secrecy for bounded security protocols with freshness check is NEXPTIME-complete*","publication_year":2008,"publication_date":"2008-11-03","ids":{"openalex":"https://openalex.org/W2124953161","doi":"https://doi.org/10.3233/jcs-2007-0306","mag":"2124953161"},"language":"en","primary_location":{"id":"doi:10.3233/jcs-2007-0306","is_oa":false,"landing_page_url":"https://doi.org/10.3233/jcs-2007-0306","pdf_url":null,"source":{"id":"https://openalex.org/S106992369","display_name":"Journal of Computer Security","issn_l":"0926-227X","issn":["0926-227X","1875-8924"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computer Security","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://stars.library.ucf.edu/scopus2000/10552","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5015622908","display_name":"Ferucio Lauren\u0163iu \u0162iplea","orcid":"https://orcid.org/0000-0001-6143-3641"},"institutions":[{"id":"https://openalex.org/I106165777","display_name":"University of Central Florida","ror":"https://ror.org/036nfer12","country_code":"US","type":"education","lineage":["https://openalex.org/I106165777"]},{"id":"https://openalex.org/I138164181","display_name":"Alexandru Ioan Cuza University","ror":"https://ror.org/022kvet57","country_code":"RO","type":"education","lineage":["https://openalex.org/I138164181"]}],"countries":["RO","US"],"is_corresponding":false,"raw_author_name":"Ferucio L. \u0162iplea","raw_affiliation_strings":["Department of Computer Science, \u201cAl.I.Cuza\u201d University of Ia\u015fi, Ia\u015fi, Romania. E-mails: fltiplea@infoiasi.ro, cbirjoveanu@infoiasi.ro, cenea@infoiasi.ro, iboureanu@infoiasi.ro","School of Computer Science, University of Central Florida, Orlando, FL 32816, USA. E-mail: fltiplea@mail.dntis.ro"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, \u201cAl.I.Cuza\u201d University of Ia\u015fi, Ia\u015fi, Romania. E-mails: fltiplea@infoiasi.ro, cbirjoveanu@infoiasi.ro, cenea@infoiasi.ro, iboureanu@infoiasi.ro","institution_ids":["https://openalex.org/I138164181"]},{"raw_affiliation_string":"School of Computer Science, University of Central Florida, Orlando, FL 32816, USA. E-mail: fltiplea@mail.dntis.ro","institution_ids":["https://openalex.org/I106165777"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040264742","display_name":"C\u0103t\u0103lin V. B\u00eerjoveanu","orcid":null},"institutions":[{"id":"https://openalex.org/I138164181","display_name":"Alexandru Ioan Cuza University","ror":"https://ror.org/022kvet57","country_code":"RO","type":"education","lineage":["https://openalex.org/I138164181"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"C\u0103t\u0103lin V. B\u00eerjoveanu","raw_affiliation_strings":["Department of Computer Science, \u201cAl.I.Cuza\u201d University of Ia\u015fi, Ia\u015fi, Romania. E-mails: fltiplea@infoiasi.ro, cbirjoveanu@infoiasi.ro, cenea@infoiasi.ro, iboureanu@infoiasi.ro"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, \u201cAl.I.Cuza\u201d University of Ia\u015fi, Ia\u015fi, Romania. E-mails: fltiplea@infoiasi.ro, cbirjoveanu@infoiasi.ro, cenea@infoiasi.ro, iboureanu@infoiasi.ro","institution_ids":["https://openalex.org/I138164181"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040528930","display_name":"Constantin Enea","orcid":"https://orcid.org/0000-0003-2727-8865"},"institutions":[{"id":"https://openalex.org/I138164181","display_name":"Alexandru Ioan Cuza University","ror":"https://ror.org/022kvet57","country_code":"RO","type":"education","lineage":["https://openalex.org/I138164181"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Constantin Enea","raw_affiliation_strings":["Department of Computer Science, \u201cAl.I.Cuza\u201d University of Ia\u015fi, Ia\u015fi, Romania. E-mails: fltiplea@infoiasi.ro, cbirjoveanu@infoiasi.ro, cenea@infoiasi.ro, iboureanu@infoiasi.ro"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, \u201cAl.I.Cuza\u201d University of Ia\u015fi, Ia\u015fi, Romania. E-mails: fltiplea@infoiasi.ro, cbirjoveanu@infoiasi.ro, cenea@infoiasi.ro, iboureanu@infoiasi.ro","institution_ids":["https://openalex.org/I138164181"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036379679","display_name":"Ioana Boureanu","orcid":"https://orcid.org/0000-0001-5864-777X"},"institutions":[{"id":"https://openalex.org/I138164181","display_name":"Alexandru Ioan Cuza University","ror":"https://ror.org/022kvet57","country_code":"RO","type":"education","lineage":["https://openalex.org/I138164181"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Ioana Boureanu","raw_affiliation_strings":["Department of Computer Science, \u201cAl.I.Cuza\u201d University of Ia\u015fi, Ia\u015fi, Romania. E-mails: fltiplea@infoiasi.ro, cbirjoveanu@infoiasi.ro, cenea@infoiasi.ro, iboureanu@infoiasi.ro"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, \u201cAl.I.Cuza\u201d University of Ia\u015fi, Ia\u015fi, Romania. E-mails: fltiplea@infoiasi.ro, cbirjoveanu@infoiasi.ro, cenea@infoiasi.ro, iboureanu@infoiasi.ro","institution_ids":["https://openalex.org/I138164181"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.2312,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.90644414,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"16","issue":"6","first_page":"689","last_page":"712"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11504","display_name":"Advanced Authentication Protocols Security","score":0.9995999932289124,"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/T11504","display_name":"Advanced Authentication Protocols Security","score":0.9995999932289124,"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":0.9955000281333923,"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/T11800","display_name":"User Authentication and Security Systems","score":0.9925000071525574,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/secrecy","display_name":"Secrecy","score":0.792626678943634},{"id":"https://openalex.org/keywords/undecidable-problem","display_name":"Undecidable problem","score":0.7887583374977112},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6967989206314087},{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.6633561849594116},{"id":"https://openalex.org/keywords/cryptographic-protocol","display_name":"Cryptographic protocol","score":0.6027891039848328},{"id":"https://openalex.org/keywords/rewriting","display_name":"Rewriting","score":0.497299462556839},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.450607031583786},{"id":"https://openalex.org/keywords/formalism","display_name":"Formalism (music)","score":0.41439053416252136},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.32836073637008667},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.30896204710006714},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.29364198446273804},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.25978952646255493},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2515976130962372},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.23562294244766235},{"id":"https://openalex.org/keywords/decidability","display_name":"Decidability","score":0.2121974229812622}],"concepts":[{"id":"https://openalex.org/C2776452267","wikidata":"https://www.wikidata.org/wiki/Q1503443","display_name":"Secrecy","level":2,"score":0.792626678943634},{"id":"https://openalex.org/C192034797","wikidata":"https://www.wikidata.org/wiki/Q3502995","display_name":"Undecidable problem","level":3,"score":0.7887583374977112},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6967989206314087},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.6633561849594116},{"id":"https://openalex.org/C33884865","wikidata":"https://www.wikidata.org/wiki/Q1254335","display_name":"Cryptographic protocol","level":3,"score":0.6027891039848328},{"id":"https://openalex.org/C154690210","wikidata":"https://www.wikidata.org/wiki/Q1668499","display_name":"Rewriting","level":2,"score":0.497299462556839},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.450607031583786},{"id":"https://openalex.org/C73301696","wikidata":"https://www.wikidata.org/wiki/Q5469984","display_name":"Formalism (music)","level":3,"score":0.41439053416252136},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.32836073637008667},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.30896204710006714},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.29364198446273804},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.25978952646255493},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2515976130962372},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.23562294244766235},{"id":"https://openalex.org/C153269930","wikidata":"https://www.wikidata.org/wiki/Q430001","display_name":"Decidability","level":2,"score":0.2121974229812622},{"id":"https://openalex.org/C558565934","wikidata":"https://www.wikidata.org/wiki/Q2743","display_name":"Musical","level":2,"score":0.0},{"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/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0},{"id":"https://openalex.org/C153349607","wikidata":"https://www.wikidata.org/wiki/Q36649","display_name":"Visual arts","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3233/jcs-2007-0306","is_oa":false,"landing_page_url":"https://doi.org/10.3233/jcs-2007-0306","pdf_url":null,"source":{"id":"https://openalex.org/S106992369","display_name":"Journal of Computer Security","issn_l":"0926-227X","issn":["0926-227X","1875-8924"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318577","host_organization_name":"IOS Press","host_organization_lineage":["https://openalex.org/P4310318577"],"host_organization_lineage_names":["IOS Press"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computer Security","raw_type":"journal-article"},{"id":"pmh:oai:stars.library.ucf.edu:scopus2000-11551","is_oa":true,"landing_page_url":"https://stars.library.ucf.edu/scopus2000/10552","pdf_url":null,"source":{"id":"https://openalex.org/S4210172555","display_name":"Journal of International Crisis and Risk Communication Research","issn_l":"2576-0017","issn":["2576-0017","2576-0025"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scopus Export 2000s","raw_type":"text"},{"id":"pmh:oai:infoscience.epfl.ch:174318","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/174318","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"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":"","raw_type":"Text"},{"id":"pmh:oai:infoscience.tind.io:174318","is_oa":true,"landing_page_url":"https://infoscience.epfl.ch/handle/20.500.14299/77008","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"research article"}],"best_oa_location":{"id":"pmh:oai:stars.library.ucf.edu:scopus2000-11551","is_oa":true,"landing_page_url":"https://stars.library.ucf.edu/scopus2000/10552","pdf_url":null,"source":{"id":"https://openalex.org/S4210172555","display_name":"Journal of International Crisis and Risk Communication Research","issn_l":"2576-0017","issn":["2576-0017","2576-0025"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scopus Export 2000s","raw_type":"text"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.7400000095367432}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W28167893","https://openalex.org/W2029693536","https://openalex.org/W2067422029","https://openalex.org/W2114497629"],"related_works":["https://openalex.org/W2120230527","https://openalex.org/W2158605963","https://openalex.org/W2154964291","https://openalex.org/W2312503573","https://openalex.org/W2142543897","https://openalex.org/W2083675736","https://openalex.org/W354575360","https://openalex.org/W2132302622","https://openalex.org/W1969877174","https://openalex.org/W4210495575"],"abstract_inverted_index":{"The":[0],"secrecy":[1,26,56,97],"problem":[2,8,27,57,98,128],"for":[3,28,58,84,106],"security":[4,16],"protocols":[5,30,59,116],"is":[6,34,80,100,129],"the":[7,24,40,46,54,85,95,107,115,127],"to":[9,36,45],"decide":[10],"whether":[11],"or":[12,70],"not":[13,93,118,122],"a":[14],"given":[15],"protocol":[17],"has":[18],"leaky":[19],"runs.":[20],"In":[21],"this":[22,43],"paper,":[23],"(initial)":[25],"bounded":[29,64,67],"with":[31,63,69,77],"freshness":[32],"check":[33],"shown":[35],"be":[37],"NEXPTIME-complete.":[38,81,101],"Relating":[39],"formalism":[41,50],"in":[42,60,123,138],"paper":[44],"multiset":[47],"rewriting":[48],"(MSR)":[49],"we":[51],"obtain":[52],"that":[53],"initial":[55,96],"restricted":[61,124],"form,":[62],"length":[65],"messages,":[66],"existentials,":[68,79],"without":[71],"disequality":[72,90,110],"tests,":[73],"and":[74,109,114],"an":[75],"intruder":[76,86,108],"no":[78],"If":[82],"existentials":[83,105],"are":[87,92,112,117],"allowed":[88,113],"but":[89],"tests":[91,111],"allowed,":[94],"still":[99],"However,":[102],"if":[103],"both":[104],"well-founded":[119],"(and,":[120],"therefore,":[121],"form),":[125],"then":[126],"undecidable.":[130],"These":[131],"results":[132],"also":[133],"correct":[134],"some":[135],"wrong":[136],"statements":[137],"Durgin":[139],"et":[140],"al.,":[141],"JCS":[142],"12":[143],"(2004),":[144],"247\u2013311.":[145]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}