{"updated":"2025-01-20T01:09:13.237159+00:00","links":{},"id":190582,"created":"2025-01-19T00:56:32.559706+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00190582","sets":["1164:6389:9385:9512"]},"path":["9512"],"owner":"11","recid":"190582","title":["SELinux CILを利用した不要なポリシ削減手法の提案"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-07-18"},"_buckets":{"deposit":"48c94d30-14d6-4fbb-8174-92b953af44f0"},"_deposit":{"id":"190582","pid":{"type":"depid","value":"190582","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"SELinux CILを利用した不要なポリシ削減手法の提案","author_link":["436499","436497","436496","436498"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"SELinux CILを利用した不要なポリシ削減手法の提案"}]},"item_type_id":"4","publish_date":"2018-07-18","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"岡山大学大学院自然科学研究科"},{"subitem_text_value":"岡山大学大学院自然科学研究科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Natural Science and Technology, Okayama University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Natural Science and Technology, Okayama 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/190582/files/IPSJ-SPT18029030.pdf","label":"IPSJ-SPT18029030.pdf"},"date":[{"dateType":"Available","dateValue":"2020-07-18"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-SPT18029030.pdf","filesize":[{"value":"383.2 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"46"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"e28d5449-a0e4-4a26-babd-220dba2b220c","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2018 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"齋藤, 凌也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"山内, 利宏"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Ryoya, Saito","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Toshihiro, Yamauchi","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA12628305","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":"2188-8671","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"SELinux のセキュリティポリシは設定が難しく，配布されている汎用的なポリシを用いる場合が多い．ここで，配布されているポリシは，個々のシステムに必要ない権限を許可している可能性がある．この問題を解決するため，我々は，実行対象のシステムに合わせて，不要なポリシを自動で削除する手法を提案した．しかし，この手法には，大きく二つの問題が存在する．一つ目は，ポリシのソースファイルが存在しない場合，適用できないという問題である．二つ目は，ポリシ削減の粒度が粗いという問題である．そこで，本稿では，上記二つの問題に対処するため，拡張した手法を提案する．拡張した提案手法では，SELinux が保持している SELinux Common Intermediate Language という中間言語で記述されたファイルに着目し，これを利用することで一つ目の問題に対処する．また，ポリシを削減する際の比較に，アトリビュートを元のタイプに置き換えたアクセスルールを利用することで，二つ目の問題に対処する．本稿では，拡張した手法とその評価結果について報告する．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告セキュリティ心理学とトラスト（SPT）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2018-07-18","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"30","bibliographicVolumeNumber":"2018-SPT-29"}]},"relation_version_is_last":true,"weko_creator_id":"11"}}