{"updated":"2025-01-19T15:20:34.592257+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00217893","sets":["1164:4088:10830:10908"]},"path":["10908"],"owner":"44499","recid":"217893","title":["準同型暗号を用いたウェブ音声通話の実装"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-05-12"},"_buckets":{"deposit":"0a0b3916-f038-474c-ad73-75689460f6b6"},"_deposit":{"id":"217893","pid":{"type":"depid","value":"217893","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"準同型暗号を用いたウェブ音声通話の実装","author_link":["565409","565411","565412","565406","565408","565407","565405","565410"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"準同型暗号を用いたウェブ音声通話の実装"},{"subitem_title":"E2EE Online Web Meeting System with Somewhat Homomorphic Encryption","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"CSEC","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2022-05-12","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"NTT社会情報研究所"},{"subitem_text_value":"サイボウズ・ラボ株式会社"},{"subitem_text_value":"NTT社会情報研究所"},{"subitem_text_value":"NTT社会情報研究所"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"NTT Social Informatics Laboratories","subitem_text_language":"en"},{"subitem_text_value":"Cybozu Labs","subitem_text_language":"en"},{"subitem_text_value":"NTT Social Informatics Laboratories","subitem_text_language":"en"},{"subitem_text_value":"NTT Social Informatics Laboratories","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/217893/files/IPSJ-IOT22057011.pdf","label":"IPSJ-IOT22057011.pdf"},"date":[{"dateType":"Available","dateValue":"2024-05-12"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-IOT22057011.pdf","filesize":[{"value":"1.5 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":"43"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"a9ff8111-010b-4665-a384-9cad163c3241","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2022 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"上野, 真奈"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"光成, 滋生"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"村上, 啓造"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"小林, 鉄太郎"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Mana, Ueno","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Shigeo, Mitsunari","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Keizo, Murakami","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Tetsutaro, Kobayashi","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA12326962","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":"2188-8787","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"著者はこれまで準同型暗号を用いた音声及び画像データの暗号重ね合わせの検討を行ってきた．本研究ではウェブ会議音声通話について準同型暗号方式 (楕円 Lifted-ElGamal 暗号方式) を用いた音声通話システムの構築，実装を行った．本発表はその概要と動作状況及び性能評価結果について報告する．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"We have been studying the addition of encrypted voice and image data with somewhat homomorphic encryption. In this study, a multi-party voice communication system using somewhat homomorphic cryptosystem (elliptic curve Lifted-ElGamal cryptosystem) was constructed and implemented for web conference voice communication. This presentation will give an overview of the system, its operation status, and the results of performance evaluation.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"7","bibliographic_titles":[{"bibliographic_title":"研究報告インターネットと運用技術（IOT）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2022-05-12","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"11","bibliographicVolumeNumber":"2022-IOT-57"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:18:19.170884+00:00","id":217893,"links":{}}