{"updated":"2025-01-20T18:18:14.432247+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00145472","sets":["1:7770:7781"]},"path":["7781"],"owner":"13","recid":"145472","title":["暗号と社会の素敵な出会い:4.楕円曲線暗号のキモチ"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-10-15"},"_buckets":{"deposit":"8e031f2a-708c-40d9-a57a-b03874561bf7"},"_deposit":{"id":"145472","pid":{"type":"depid","value":"145472","revision_id":0},"owners":[13],"status":"published","created_by":13},"item_title":"暗号と社会の素敵な出会い:4.楕円曲線暗号のキモチ","author_link":["224404","224405"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"暗号と社会の素敵な出会い:4.楕円曲線暗号のキモチ"},{"subitem_title":"A Wonderful Encounter between Cryptography and Society:4. The Heart of Elliptic Curve Cryptosystems","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":"2015-10-15","item_1_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"FUJITSU Laboratories of Europe Ltd."}]},"item_1_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Fujitsu Labs. of Europe Ltd.","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/145472/files/IPSJ-MGN561108.pdf","label":"IPSJ-MGN561108.pdf"},"date":[{"dateType":"Available","dateValue":"2017-10-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MGN561108.pdf","filesize":[{"value":"1.1 MB"}],"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":"19e11eb9-159c-4d7c-80d4-87e43bf09a00","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2015 by the Information Processing Society of Japan"}]},"item_1_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"伊豆, 哲也"}],"nameIdentifiers":[{}]}]},"item_1_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"IZU, Tetsuya","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":"楕円曲線暗号とは,楕円曲線を用いて構成される公開鍵暗号技術の総称で,スマートカードによる認証,デジタル機器の認証,ビットコインなどで利用されています.楕円曲線暗号の最大の特徴は,短い鍵長で他の公開鍵暗号と同等の安全性が保証される点です.本稿では,なぜ楕円曲線暗号の鍵長は短くできるのか,どうやって広く利用されるようになったかについて,ライバルであるRSA暗号と比べながら紹介します.","subitem_description_type":"Other"}]},"item_1_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"1081","bibliographic_titles":[{"bibliographic_title":"情報処理"}],"bibliographicPageStart":"1076","bibliographicIssueDates":{"bibliographicIssueDate":"2015-10-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"11","bibliographicVolumeNumber":"56"}]},"relation_version_is_last":true,"weko_creator_id":"13"},"created":"2025-01-19T00:21:06.235146+00:00","id":145472,"links":{}}