{"links":{},"id":2008295,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:02008295","sets":["1164:2036:1771206441417:1771206500162"]},"path":["1771206500162"],"owner":"80578","recid":"2008295","title":["Intel SGXの認証メモリ暗号の性能評価"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2026-03-08"},"_buckets":{"deposit":"ed1e4518-ee3c-424d-b94f-a04b70180dee"},"_deposit":{"id":"2008295","pid":{"type":"depid","value":"2008295","revision_id":0},"owners":[80578],"status":"published","created_by":80578},"item_title":"Intel SGXの認証メモリ暗号の性能評価","author_link":[],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Intel SGXの認証メモリ暗号の性能評価","subitem_title_language":"ja"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"セキュリティと暗号化","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2026-03-08","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京農工大学"},{"subitem_text_value":"情報・システム研究機構データサイエンス共同利用基盤施設セキュアコンピュータシステム研究開発センター／総合研究大学院大学，総研大／国立情報学研究所"},{"subitem_text_value":"情報・システム研究機構データサイエンス共同利用基盤施設セキュアコンピュータシステム研究開発センター／総合研究大学院大学，総研大／国立情報学研究所"},{"subitem_text_value":"情報・システム研究機構データサイエンス共同利用基盤施設セキュアコンピュータシステム研究開発センター／東京農工大学"},{"subitem_text_value":"東京農工大学／情報・システム研究機構データサイエンス共同利用基盤施設セキュアコンピュータシステム研究開発センター／国立情報学研究所／総合研究大学院大学，総研大"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Tokyo University of Agriculture and Technology","subitem_text_language":"en"},{"subitem_text_value":"Center for R&D on Secure Computer Systems, Joint Support-Center for Data Science Research, Research Organization of Information and Systems / The Graduate University for Advanced Studies, SOKENDAI / National Institute of Informatics (NII)","subitem_text_language":"en"},{"subitem_text_value":"Center for R&D on Secure Computer Systems, Joint Support-Center for Data Science Research, Research Organization of Information and Systems / The Graduate University for Advanced Studies, SOKENDAI / National Institute of Informatics (NII)","subitem_text_language":"en"},{"subitem_text_value":"Center for R&D on Secure Computer Systems, Joint Support-Center for Data Science Research, Research Organization of Information and Systems / Tokyo University of Agriculture and Technology","subitem_text_language":"en"},{"subitem_text_value":"Tokyo University of Agriculture and Technology / Center for R&D on Secure Computer Systems, Joint Support-Center for Data Science Research, Research Organization of Information and Systems / National Institute of Informatics (NII) / The Graduate University for Advanced Studies, SOKENDAI","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/2008295/files/IPSJ-SLDM26211008.pdf","label":"IPSJ-SLDM26211008.pdf"},"date":[{"dateType":"Available","dateValue":"2028-03-08"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-SLDM26211008.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":"10"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"e5743578-cd1e-4e47-9492-3adc03537022","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":"中村,草太"}]},{"creatorNames":[{"creatorName":"松見,湧斗"}]},{"creatorNames":[{"creatorName":"内山,一秀"}]},{"creatorNames":[{"creatorName":"中條,拓伯"}]},{"creatorNames":[{"creatorName":"五島,正裕"}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11451459","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":"2188-8639","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"既存のTEEでは，各ベンダが，そのプラットフォームの典型的な要求・脅威モデルに合わせて，個々別々の保護モデルを提供している．そこで我々は，単一・柔軟・形式的にセキュアなユニバーサルTEEアーキテクチャ(UTA)の実現を目指している．UTAのハードウェアは，リプレイ耐性を含むメモリの完全性保証を要件とし，認証（付き）暗号(Authenticated Encryption)をメモリに対して施す認証メモリ暗号(Authenticated Memory Encryption，AME)を実装する．Intel SGX1は商用TEEで唯一AMEを実装していたが，その性能は非常に低く，後期のSGX2ではAMEのサポートを止めてしまった．我々は，AMEの普及を目指して，高効率なアーキテクチャを研究開発しているが，そのためにはSGX1の問題点を押さえることが肝要である．そこで本稿では，SGX1のAMEの性能を評価する．ストリームベンチマークの結果では，データサイズがLLCのそれを超えると，メモリのスループットは，AMEを用いない場合の数分の一に低下し，AMEユニットがボトルネックになっていることが改めて分かった．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"14","bibliographic_titles":[{"bibliographic_title":"研究報告システムとLSIの設計技術（SLDM）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2026-03-08","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"8","bibliographicVolumeNumber":"2026-SLDM-211"}]},"relation_version_is_last":true,"weko_creator_id":"80578"},"created":"2026-03-02T10:36:15.573996+00:00","updated":"2026-03-02T10:36:19.424601+00:00"}