{"created":"2025-01-19T01:39:40.247226+00:00","updated":"2025-01-19T08:58:02.765693+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00237184","sets":["1164:6389:11481:11662"]},"path":["11662"],"owner":"44499","recid":"237184","title":["音源へのノイズ付加を用いた電磁的情報漏えい対策に関する基礎検討"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-07-15"},"_buckets":{"deposit":"8ff9f4c2-1e20-48c3-986d-75964d54ce47"},"_deposit":{"id":"237184","pid":{"type":"depid","value":"237184","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"音源へのノイズ付加を用いた電磁的情報漏えい対策に関する基礎検討","author_link":["648787","648785","648786","648788"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"音源へのノイズ付加を用いた電磁的情報漏えい対策に関する基礎検討"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"HWS","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2024-07-15","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"奈良先端科学技術大学院大学"},{"subitem_text_value":"奈良先端科学技術大学院大学"},{"subitem_text_value":"奈良先端科学技術大学院大学"},{"subitem_text_value":"奈良先端科学技術大学院大学"}]},"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/237184/files/IPSJ-SPT24056063.pdf","label":"IPSJ-SPT24056063.pdf"},"date":[{"dateType":"Available","dateValue":"2026-07-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-SPT24056063.pdf","filesize":[{"value":"1.4 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"46"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"aac99f39-b879-4a81-a281-79d21b3d15b2","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Institute of Electronics, Information and Communication Engineers This SIG report is only available to those in membership of the SIG."}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"角野, 匠"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"北澤, 太基"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"藤本, 大介"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"林, 優一"}],"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":"電子機器からの電磁波を通じた情報漏えいの脅威への対策手法として，ユーザビリティの低下を引き起こさないように対象の情報とその漏えい原理に応じて，入出力情報を変化させることで，情報の復元を困難にする手法が提案されている．一方，音情報に対しては，聞きやすさを維持しながら電磁的情報漏えいを抑止するための手法はこれまで十分検討されていない．そこで，本稿では，音源に逆位相となる 2 つのノイズ音を付加した 2 つの出力信号を用いて，それらを合成し再生することで，聞きやすさを損なうことなく，電磁的情報漏えいのみを抑止する対策手法を提案する．提案手法を評価環境において実装した結果，スピーカからの再生音では背景ノイズが打ち消されることで信号対雑音比は低下せず，電磁波から復元した音ではノイズが重畳し，信号対雑音比が 7.7 dB 低下し，情報取得が困難になることが示された．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"5","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":"2024-07-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"63","bibliographicVolumeNumber":"2024-SPT-56"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":237184,"links":{}}