{"created":"2025-06-23T08:45:50.282184+00:00","updated":"2025-06-23T08:45:54.203479+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:02002871","sets":["1164:3925:11908:1749690073967"]},"path":["1749690073967"],"owner":"80578","recid":"2002871","title":["しきい値リング署名を用いた分散FIDO認証について"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2025-06-30"},"_buckets":{"deposit":"5287a88c-cae3-4db0-a316-a3a8b0457870"},"_deposit":{"id":"2002871","pid":{"type":"depid","value":"2002871","revision_id":0},"owners":[80578],"status":"published","created_by":80578},"item_title":"しきい値リング署名を用いた分散FIDO認証について","author_link":[],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"しきい値リング署名を用いた分散FIDO認証について","subitem_title_language":"ja"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"CSEC","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2025-06-30","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"長崎県立大学大学院地域創生研究科"},{"subitem_text_value":"長崎県立大学大学院地域創生研究科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Regional Design and Creation, University of Nagasaki","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Regional Design and Creation, University of Nagasaki","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/2002871/files/IPSJ-CSEC25110037.pdf","label":"IPSJ-CSEC25110037.pdf"},"date":[{"dateType":"Available","dateValue":"2027-06-30"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CSEC25110037.pdf","filesize":[{"value":"1.3 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"30"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"159496af-e94b-48fa-81f0-c8a89ccd7ac2","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2025 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"菅,健太"}]},{"creatorNames":[{"creatorName":"福光,正幸"}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11235941","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8655","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"Fast Identity Online (FIDO)とは，公開鍵認証をベースとした認証法である．このFIDOに対し，クラウドサービスプロバイダ(CSP)を活用し，秘密鍵を共有することで，複数の端末で利用できるマルチデバイス対応FIDO認証「同期パスキー」が実利用されている．さらに，CSPで共有されている秘密鍵を(k，n)しきい値秘密分散法を用いて，分散管理するマルチデバイス対応FIDOがLukeらによって提案されている．しかし，この手法の場合，認証時，k台以上の端末を操作する必要性があり，操作性に問題がある．また，CSPと利用時に連携できていなければ，登録・認証が行えないという問題点も存在する．そこで本研究では，Lukeらの手法の秘密鍵を複数端末で分散管理するというメリットを保持したまま，認証時の複数端末の操作と，CSPと常に接続しなければならない制約を解消を目指した「分散FIDO認証」を提案する．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告コンピュータセキュリティ（CSEC）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2025-06-30","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"37","bibliographicVolumeNumber":"2025-CSEC-110"}]},"relation_version_is_last":true,"weko_creator_id":"80578"},"id":2002871,"links":{}}