{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00204901","sets":["1:9834:9919"]},"path":["9919"],"owner":"44499","recid":"204901","title":["さようなら，意味のない暗号化ZIP添付メール：3．我々はなぜPPAPするようになってしまったのか"],"pubdate":{"attribute_name":"公開日","attribute_value":"2020-06-15"},"_buckets":{"deposit":"6f05bde7-1bad-49a6-af72-dad677d8a9fb"},"_deposit":{"id":"204901","pid":{"type":"depid","value":"204901","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"さようなら，意味のない暗号化ZIP添付メール：3．我々はなぜPPAPするようになってしまったのか","author_link":["508185","508186"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"さようなら，意味のない暗号化ZIP添付メール：3．我々はなぜPPAPするようになってしまったのか"},{"subitem_title":"Goodbye, Fatuous Encrypted Zip Attachments：3. Why Do We E-mail Both Password-protected Zip Files and Their Passwords?","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"小特集","subitem_subject_scheme":"Other"}]},"item_type_id":"1","publish_date":"2020-06-15","item_1_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"立命館大学"}]},"item_1_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Ritsumeikan Univ.","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/204901/files/IPSJ-MGN610712.pdf","label":"IPSJ-MGN610712.pdf"},"date":[{"dateType":"Available","dateValue":"2022-06-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MGN610712.pdf","filesize":[{"value":"764.6 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"0","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"fb6b48ae-9a7b-48fe-9715-062f424a4227","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2020 by the Information Processing Society of Japan"}]},"item_1_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"上原, 哲太郎"}],"nameIdentifiers":[{}]}]},"item_1_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"UEHARA, Tetsutaro","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_1_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00116625","subitem_source_identifier_type":"NCID"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_6501","resourcetype":"article"}]},"item_1_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"ファイルをzipを用いて圧縮し，パスワードを付してからメールに添付して送付するセキュリティ対策において，同じくメールでそのパスワードを送る対策は，ほとんど意味がないにもかかわらず広く行われている．この誤ったセキュリティ対策はPPAPと呼ばれる．本来はS/MIMEなどの暗号化メールが用いられるべきところ，なぜこのようなセキュリティ対策が広まったのか．本来行うべきセキュリティ対策は何か．ここで論考する．","subitem_description_type":"Other"}]},"item_1_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"723","bibliographic_titles":[{"bibliographic_title":"情報処理"}],"bibliographicPageStart":"719","bibliographicIssueDates":{"bibliographicIssueDate":"2020-06-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"7","bibliographicVolumeNumber":"61"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"updated":"2025-01-19T20:02:21.351005+00:00","created":"2025-01-19T01:07:05.954289+00:00","links":{},"id":204901}