{"links":{},"id":2005945,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:02005945","sets":["6164:6165:6617:1762413724940"]},"path":["1762413724940"],"owner":"80578","recid":"2005945","title":["RISC-V CoVEを用いたConfidential VMの効率的かつ柔軟な監視機構"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2025-11-24"},"_buckets":{"deposit":"80af756f-7736-4b2a-9310-bac6ca479601"},"_deposit":{"id":"2005945","pid":{"type":"depid","value":"2005945","revision_id":0},"owners":[80578],"status":"published","created_by":80578},"item_title":"RISC-V CoVEを用いたConfidential VMの効率的かつ柔軟な監視機構","author_link":[],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"RISC-V CoVEを用いたConfidential VMの効率的かつ柔軟な監視機構","subitem_title_language":"ja"}]},"item_type_id":"18","publish_date":"2025-11-24","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_18_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"九州工業大学"},{"subitem_text_value":"九州工業大学"}]},"item_18_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Kyushu Institute of Technology","subitem_text_language":"en"},{"subitem_text_value":"Kyushu Institute of Technology","subitem_text_language":"en"}]},"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/2005945/files/IPSJ-ComSys2025003.pdf","label":"IPSJ-ComSys2025003.pdf"},"date":[{"dateType":"Available","dateValue":"2027-11-24"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-ComSys2025003.pdf","filesize":[{"value":"2.1 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":"11"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"23e66ba0-e5d1-4d41-8b51-6cb58895403d","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2025 by the Information Processing Society of Japan"}]},"item_18_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"梶原,悠大"}]},{"creatorNames":[{"creatorName":"光来,健一"}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_5794","resourcetype":"conference paper"}]},"item_18_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"IaaS型クラウドにおいて仮想マシン(VM)内で機密情報を扱うようになっているが，内部犯に機密情報を盗聴されるリスクがある．そこで，最近のクラウドはTrusted Execution Environment (TEE)を利用したConfidential VM (CVM)を提供してVMを保護している．RISC-VでもVM向けのTEEとしてCoVEを提供しており，TEE VM (TVM)を安全に実行することができる．しかし，TVM内に侵入されるとCoVEによる保護は無力となる．本稿では，CoVEにおいてTVMの柔軟かつ効率のよい監視を実現するTVMmonitorを提案する．TVMmonitorは監視用TVMを用いて監視システムを実行し，TVM間で共有メモリを確立できるようにすることで監視対象TVMからの高速な情報取得を可能にする．TVMmonitorは監視用TVMを活用することで監視システムを柔軟に構成することができる．また，監視対象TVMのメモリデータをコピーすることで，監視対象TVMの協調なしに情報を直接取得することもできる．CoVEのエミュレーション環境にTVMmonitorを実装し，監視性能を調べる実験を行った．","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"27","bibliographic_titles":[{"bibliographic_title":"コンピュータシステム・シンポジウム論文集"}],"bibliographicPageStart":"19","bibliographicIssueDates":{"bibliographicIssueDate":"2025-11-24","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"2025"}]},"relation_version_is_last":true,"weko_creator_id":"80578"},"created":"2025-11-18T08:00:02.946714+00:00","updated":"2025-11-26T00:37:32.591597+00:00"}