{"created":"2026-02-16T07:19:52.493898+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:02007418","sets":["1164:4088:1771221559804:1771221642894"]},"path":["1771221642894"],"owner":"80578","recid":"2007418","title":["TEEと認証連携を用いた高信頼な公開鍵サーバ"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2026-02-24"},"_buckets":{"deposit":"87b16690-61e3-41fa-a231-6eaf1cc526b5"},"_deposit":{"id":"2007418","pid":{"type":"depid","value":"2007418","revision_id":0},"owners":[80578],"status":"published","created_by":80578},"item_title":"TEEと認証連携を用いた高信頼な公開鍵サーバ","author_link":[],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"TEEと認証連携を用いた高信頼な公開鍵サーバ","subitem_title_language":"ja"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"IOT","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2026-02-24","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"法政大学大学院情報科学研究科"},{"subitem_text_value":"法政大学情報科学部"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Hosei University","subitem_text_language":"en"},{"subitem_text_value":"Hosei University","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/2007418/files/IPSJ-IOT26072041.pdf","label":"IPSJ-IOT26072041.pdf"},"date":[{"dateType":"Available","dateValue":"2028-02-24"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-IOT26072041.pdf","filesize":[{"value":"1.9 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":"43"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"8444f3ef-23d6-4269-8800-ed77260d63f9","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2026 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"竹原,正真"}]},{"creatorNames":[{"creatorName":"廣津,登志夫"}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA12326962","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":"2188-8787","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"公開鍵暗号は，その安全性の前提として，利用者が取得した公開鍵が該当主体に正しく対応していること（真正性）と，改竄されていないこと（完全性）が要求される．これを保証する代表的な方法として公開鍵基盤（PKI）があるが，認証局への信頼集中や証明書発行・管理からなる運用負荷が課題となる．また，PGPを代表とするWeb of Trust型のモデルも提案されているものの，実運用での普及は限定的である．そこで本研究では，認証連携と信頼可能な実行環境（TEE）を用いた鍵サーバを提案する．提案手法では，鍵登録時に認証連携を行うことで，認証済みユーザIDと登録鍵の対応をサーバ上で確立する．さらに，鍵サーバをTEE上で実行し，リモートからその正当な動作を検証可能とすることで，サーバ管理者や基盤ソフトウェアによる不正や改変の影響を低減する．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告インターネットと運用技術（IOT）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2026-02-24","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"41","bibliographicVolumeNumber":"2026-IOT-72"}]},"relation_version_is_last":true,"weko_creator_id":"80578"},"links":{},"id":2007418,"updated":"2026-02-16T07:51:11.266336+00:00"}