{"id":"https://openalex.org/W7154319002","doi":"https://doi.org/10.48550/arxiv.2604.10685","title":"COD-ssi: Enforcing Mutual Privacy for Credential Oblivious Disclosure in Self Sovereign Identity","display_name":"COD-ssi: Enforcing Mutual Privacy for Credential Oblivious Disclosure in Self Sovereign Identity","publication_year":2026,"publication_date":"2026-04-12","ids":{"openalex":"https://openalex.org/W7154319002","doi":"https://doi.org/10.48550/arxiv.2604.10685"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2604.10685","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.10685","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2604.10685","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5035147508","display_name":"E. Onofri","orcid":"https://orcid.org/0000-0001-8391-2563"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Onofri, Elia","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018085270","display_name":"Andrea De Salve","orcid":"https://orcid.org/0000-0003-1691-7182"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"De Salve, Andrea","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084737695","display_name":"Paolo Mori","orcid":"https://orcid.org/0000-0002-6618-0388"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mori, Paolo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015647058","display_name":"Laura Ricci","orcid":"https://orcid.org/0000-0002-8179-8215"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ricci, Laura Emilia Maria","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5127805617","display_name":"Roberto Di Pietro","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Di Pietro, Roberto","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.4221999943256378,"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":0.4221999943256378,"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/T10927","display_name":"Access Control and Trust","score":0.31949999928474426,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10270","display_name":"Blockchain Technology Applications and Security","score":0.10119999945163727,"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/credential","display_name":"Credential","score":0.9900000095367432},{"id":"https://openalex.org/keywords/identity","display_name":"Identity (music)","score":0.5777000188827515},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5303000211715698},{"id":"https://openalex.org/keywords/digital-identity","display_name":"Digital identity","score":0.4458000063896179},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.4108000099658966},{"id":"https://openalex.org/keywords/information-sensitivity","display_name":"Information sensitivity","score":0.4075999855995178},{"id":"https://openalex.org/keywords/bootstrapping","display_name":"Bootstrapping (finance)","score":0.33250001072883606},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.32749998569488525}],"concepts":[{"id":"https://openalex.org/C2777810591","wikidata":"https://www.wikidata.org/wiki/Q16861606","display_name":"Credential","level":2,"score":0.9900000095367432},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.7111999988555908},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7063000202178955},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.5929999947547913},{"id":"https://openalex.org/C2778355321","wikidata":"https://www.wikidata.org/wiki/Q17079427","display_name":"Identity (music)","level":2,"score":0.5777000188827515},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5303000211715698},{"id":"https://openalex.org/C2779813694","wikidata":"https://www.wikidata.org/wiki/Q528053","display_name":"Digital identity","level":3,"score":0.4458000063896179},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.4108000099658966},{"id":"https://openalex.org/C137822555","wikidata":"https://www.wikidata.org/wiki/Q2587068","display_name":"Information sensitivity","level":2,"score":0.4075999855995178},{"id":"https://openalex.org/C207609745","wikidata":"https://www.wikidata.org/wiki/Q4944086","display_name":"Bootstrapping (finance)","level":2,"score":0.33250001072883606},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.32749998569488525},{"id":"https://openalex.org/C178005623","wikidata":"https://www.wikidata.org/wiki/Q308859","display_name":"Anonymity","level":2,"score":0.29679998755455017},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.287200003862381},{"id":"https://openalex.org/C555379026","wikidata":"https://www.wikidata.org/wiki/Q977772","display_name":"Identity management","level":3,"score":0.2784999907016754},{"id":"https://openalex.org/C169093310","wikidata":"https://www.wikidata.org/wiki/Q3702971","display_name":"Personally identifiable information","level":2,"score":0.27810001373291016},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.2750999927520752},{"id":"https://openalex.org/C148417208","wikidata":"https://www.wikidata.org/wiki/Q4825882","display_name":"Authentication (law)","level":2,"score":0.2728999853134155},{"id":"https://openalex.org/C109297577","wikidata":"https://www.wikidata.org/wiki/Q161157","display_name":"Password","level":2,"score":0.26969999074935913},{"id":"https://openalex.org/C522325796","wikidata":"https://www.wikidata.org/wiki/Q471880","display_name":"Identity theft","level":2,"score":0.26930001378059387}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2604.10685","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.10685","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2604.10685","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.10685","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.8104498386383057}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"The":[0,166],"Self-Sovereign":[1],"Identity":[2],"(SSI)":[3],"paradigm":[4],"is":[5,30,171,177],"instrumental":[6],"for":[7,135],"decentralised":[8],"identity":[9],"management,":[10],"allowing":[11,40],"an":[12],"entity":[13],"to":[14,42,70,87,110,145,148,162],"create,":[15],"manage,":[16],"and":[17,174,207],"present":[18],"their":[19,50],"digital":[20],"credentials":[21],"without":[22,155],"relying":[23],"on":[24,59],"centralised":[25],"authorities.":[26],"Credential":[27],"selective":[28,54],"disclosure":[29,55],"one":[31],"of":[32,38,63,73,113,153,168,183,198],"the":[33,45,61,71,76,111,116,163,180,196],"most":[34],"attractive":[35],"privacy-preserving":[36],"features":[37],"SSI,":[39],"users":[41],"reveal":[43,86],"only":[44],"minimum":[46],"necessary":[47],"information":[48,79],"from":[49],"credentials.":[51,74],"However,":[52],"current":[53],"mechanisms":[56],"primarily":[57],"focus":[58],"protecting":[60],"privacy":[62,122,194],"credential":[64,78,88,124,164],"Holders,":[65],"while":[66],"offering":[67],"limited":[68],"protection":[69],"Verifiers":[72,147],"Indeed,":[75],"specific":[77,158],"requested":[80],"by":[81,108],"a":[82,137,151],"Verifier":[83],"can":[84,200],"inadvertently":[85],"Holders":[89],"sensitive":[90],"information,":[91],"including":[92],"internal":[93],"decision-making":[94],"criteria,":[95],"business":[96],"rules,":[97],"or":[98],"strategic":[99],"plans.":[100],"In":[101],"this":[102,106,127],"work,":[103],"we":[104,129],"address":[105],"threat":[107],"proposing,":[109],"best":[112],"our":[114,169,184],"knowledge,":[115],"first":[117],"approach":[118],"that":[119,140,191],"enforces":[120],"mutual":[121,193],"in":[123,195],"exchanges.":[125],"To":[126],"end,":[128],"introduce":[130],"COD-ssi":[131],"(Claim":[132],"Oblivious":[133,142],"Disclosure":[134],"SSI),":[136],"novel":[138],"framework":[139],"leverages":[141],"Pseudorandom":[143],"Functions":[144],"allow":[146],"selectively":[149],"access":[150],"subset":[152],"claims":[154,159],"revealing":[156],"which":[157],"were":[160],"accessed":[161],"Holder.":[165],"security":[167],"solution":[170],"formally":[172],"verified":[173],"its":[175],"feasibility":[176],"assessed":[178],"through":[179],"experimental":[181],"evaluation":[182],"open-source":[185],"prototype":[186],"implementation.":[187],"These":[188],"results":[189],"show":[190],"provable":[192],"context":[197],"SSI":[199],"be":[201],"achieved":[202],"with":[203],"just":[204],"moderate":[205],"computational":[206],"communication":[208],"overhead.":[209]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-04-15T00:00:00"}