{"updated":"2025-01-21T16:04:32.738530+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00090393","sets":["6164:6165:7006:7083"]},"path":["7083"],"owner":"11","recid":"90393","title":["クラウドスケジュールサービスにおけるプライバシー保護のための日付偽装方式の評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2012-10-10"},"_buckets":{"deposit":"9b3283a4-6f62-4534-9604-1b028a732118"},"_deposit":{"id":"90393","pid":{"type":"depid","value":"90393","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"クラウドスケジュールサービスにおけるプライバシー保護のための日付偽装方式の評価","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"クラウドスケジュールサービスにおけるプライバシー保護のための日付偽装方式の評価"},{"subitem_title":"Evaluation of alteration method of schedule information of public cloud for preserving privacy","subitem_title_language":"en"}]},"item_type_id":"18","publish_date":"2012-10-10","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":"法政大学大学院"},{"subitem_text_value":"法政大学大学院"},{"subitem_text_value":"法政大学大学院"},{"subitem_text_value":"NTTセキュア流通プラットフォーム研究所"},{"subitem_text_value":"千葉工業大学"},{"subitem_text_value":"東京大学"}]},"item_18_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Hosei University","subitem_text_language":"en"},{"subitem_text_value":"Hosei University","subitem_text_language":"en"},{"subitem_text_value":"Hosei University","subitem_text_language":"en"},{"subitem_text_value":"NTT Information Platform Laboratories","subitem_text_language":"en"},{"subitem_text_value":"Chiba Institute of Technology","subitem_text_language":"en"},{"subitem_text_value":"The University of Tokyo","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/90393/files/IPSJ-DPSWS2012046.pdf"},"date":[{"dateType":"Available","dateValue":"2012-10-10"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DPSWS2012046.pdf","filesize":[{"value":"1.5 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"a4b643a4-ee49-4e28-b757-e0e8d16aa15f","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2012 by the Information Processing Society of Japan"}]},"item_18_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"宮上, 達矢"},{"creatorName":"横谷, 百合"},{"creatorName":"金井, 敦"},{"creatorName":"斉藤, 典明"},{"creatorName":"谷本, 茂明"},{"creatorName":"佐藤, 周行"}],"nameIdentifiers":[{}]}]},"item_18_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Tatsuya, Miyagami","creatorNameLang":"en"},{"creatorName":"Yuri, Yokotani","creatorNameLang":"en"},{"creatorName":"Atsushi, Kanai","creatorNameLang":"en"},{"creatorName":"Noriaki, Saito","creatorNameLang":"en"},{"creatorName":"Shigeaki, Tanimoto","creatorNameLang":"en"},{"creatorName":"Hiroyuki, Sato","creatorNameLang":"en"}],"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":"近年，クラウドコンピューティグの技術が急速に発展してきいる．しかし，クラウドサービスでは，管理者は信頼できない第三者の可能性も想定されるため，セキュリティ面ではまだ問題点がある．一般に、機密情報を扱う企業においては，すべての情報に対してパブリッククラウドを使用することに躊躇している現状である．本論文では，機密情報を扱う例としてクラウドスケジュールサービスを対象に，日付の偽装ならびに暗号化することでプライバシー情報の漏洩を防ぐ手法を新たに提案する．具体的には，スケジュールの日付を偽装するとともにスケジュールの内容を暗号化することで，たとえクラウドサーバ管理者もしくはクラウドサーバのログインキーを盗んだクラッカーであっても正しいスケジュールを読み取ることが出来なくするものである．この手法により，企業ユーザにおいてもパブリッククラウドのスケジュールサービスを安心して使用することが期待できる．","subitem_description_type":"Other"}]},"item_18_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"We are currently experiencing an explosion of cloud technologies. However, a cloud service administrator may be an untrustworthy third party. Therefore, companies dealing with confidential information cannot use a public cloud. In this paper, we propose a method for preventing the leakage of private information on a cloud schedule service. In this method, even a cloud administrator or a hacker who steals a cloud service login key cannot read the true schedule because the schedule date is altered and schedule content is encrypted. Consequently we can safely use a public cloud schedule service with this method. We also evaluated the method’s performance using an actual alteration program on Google server.","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"291","bibliographic_titles":[{"bibliographic_title":"マルチメディア通信と分散処理ワークショップ論文集"}],"bibliographicPageStart":"284","bibliographicIssueDates":{"bibliographicIssueDate":"2012-10-10","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicVolumeNumber":"2012"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-18T23:39:58.924325+00:00","id":90393,"links":{}}