{"links":{},"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00222414","sets":["6164:6165:6902:11070"]},"path":["11070"],"owner":"44499","recid":"222414","title":["分散台帳技術Ethereumを用いた監視や検閲に強い信頼できるメールの実装"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-11-17"},"_buckets":{"deposit":"746510cf-f74a-4cb7-8393-093a09615e95"},"_deposit":{"id":"222414","pid":{"type":"depid","value":"222414","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"分散台帳技術Ethereumを用いた監視や検閲に強い信頼できるメールの実装","author_link":["583516","583515","583514","583513","583517"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"分散台帳技術Ethereumを用いた監視や検閲に強い信頼できるメールの実装"}]},"item_type_id":"18","publish_date":"2022-11-17","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":"筑波大学"},{"subitem_text_value":"筑波大学"},{"subitem_text_value":"筑波大学"},{"subitem_text_value":"筑波大学"},{"subitem_text_value":"筑波大学"}]},"item_18_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"University of Tsukuba","subitem_text_language":"en"},{"subitem_text_value":"University of Tsukuba","subitem_text_language":"en"},{"subitem_text_value":"University of Tsukuba","subitem_text_language":"en"},{"subitem_text_value":"University of Tsukuba","subitem_text_language":"en"},{"subitem_text_value":"University of Tsukuba","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/222414/files/IPSJ-GNWS2022018.pdf","label":"IPSJ-GNWS2022018.pdf"},"date":[{"dateType":"Available","dateValue":"2024-11-17"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-GNWS2022018.pdf","filesize":[{"value":"940.3 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":"29"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"30c95aa5-c1e1-4c27-992b-c7f14a4731bc","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2022 by the Information Processing Society of Japan"}]},"item_18_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"渡部, 太揮"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"新城 靖"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"周, 毅"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"宝田, 一希"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中村, 公洋"}],"nameIdentifiers":[{}]}]},"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":"現在広く利用されている SMTP (Simple Mail Transfer Protocol) を用いた電子メールは，ディジタル署名が普及しておらず，信頼できない (untrusted) ため，マルウェアの攻撃に対して脆弱である．巨大な電子メール・サービスの提供業者は，電子メールの検閲，監視，アカウントの停止等の絶大な権限を有する．この論文では，このような問題を，分散台帳技術 Ethereum を用いて信頼できる (trusted) メールを実装することで解決する．提案方式では，分散台帳技術のウォレットのアドレスをメール・アドレスとして利用する．メールを送受信するホストでは，このウォレットのアドレスと 1 対 1 に対応したローカルの代理ユーザを登録する．ユーザやアプリケーション開発者は，既存のメールを送受信するプログラムを用い，ローカルのユーザに対するメールの送受信を行うことで，煩雑なディジタル署名の処理を行うことなく信頼できるメールを送受信できる．この論文では，実装した信頼できるメールを用いて，問い合わせアプリケーションを実装している．その特徴は，従来の Web アプリケーションを用いたものとは異なり，フォームの送信と回答の返信を電子メールだけで完結している点にある．","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"119","bibliographic_titles":[{"bibliographic_title":"ワークショップ2022 （GN Workshop 2022)　論文集"}],"bibliographicPageStart":"112","bibliographicIssueDates":{"bibliographicIssueDate":"2022-11-17","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"2022"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:22:22.252352+00:00","updated":"2025-01-19T13:45:28.534385+00:00","id":222414}