{"updated":"2025-01-20T00:03:11.607267+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00192659","sets":["6164:6165:6244:9615"]},"path":["9615"],"owner":"44499","recid":"192659","title":["複数組織対応属性ベース暗号を用いたファイル共有システム"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-11-29"},"_buckets":{"deposit":"13188ace-8cc4-4541-8376-cf6cb84e0c9d"},"_deposit":{"id":"192659","pid":{"type":"depid","value":"192659","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"複数組織対応属性ベース暗号を用いたファイル共有システム","author_link":["450205","450207","450200","450202","450209","450211","450201","450203","450206","450208","450210","450204"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"複数組織対応属性ベース暗号を用いたファイル共有システム"},{"subitem_title":"File Sharing Services using Multi-Authority Attrubute-Based 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に代表されるオンラインストレージサービスが普及してきている．このようなサービスではストレージの管理者によりデータを覗き見られる危険性があることから，ユーザ側で暗号化してデータを保護するシステムが注目されている．大東らは暗号文ポリシー属性ベース暗号を用いてファイル本体およびファイル名 ・ ディレクトリ名を保護できるクライアントベースの暗号化ファイル共有サービスを提案しているが，鍵発行センターの特性上，単一組織での使用に限定せざるを得ない．そこで本稿では，複数組織で利用可能なファイル共有システムについて検討し，実現するために新たに必要となる属性ベース暗号 （MA-ABE） の実装 ・ 評価を行い，さらに，MA-ABE と学術認証フェデレーション （学認） を利用したファイル共有サービスについての検討を行った．","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"23","bibliographic_titles":[{"bibliographic_title":"インターネットと運用技術シンポジウム論文集"}],"bibliographicPageStart":"16","bibliographicIssueDates":{"bibliographicIssueDate":"2018-11-29","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"2018"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T00:58:21.400789+00:00","id":192659,"links":{}}