{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00098432","sets":["1:7334:7372"]},"path":["7372"],"owner":"13","recid":"98432","title":["情報理論的暗号技術について"],"pubdate":{"attribute_name":"公開日","attribute_value":"2014-02-15"},"_buckets":{"deposit":"6db07638-4a3f-4304-9e67-98c3c597f82c"},"_deposit":{"id":"98432","pid":{"type":"depid","value":"98432","revision_id":0},"owners":[13],"status":"published","created_by":13},"item_title":"情報理論的暗号技術について","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"情報理論的暗号技術について"},{"subitem_title":"Survey of Information - Theoretic Cryptography","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"解説","subitem_subject_scheme":"Other"}]},"item_type_id":"1","publish_date":"2014-02-15","item_1_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"横浜国立大学大学院環境情報研究院／学府"},{"subitem_text_value":"横浜国立大学大学院環境情報研究院／学府"}]},"item_1_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Yokohama National Univ.","subitem_text_language":"en"},{"subitem_text_value":"Yokohama National 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/98432/files/IPSJ-MGN550310.pdf","label":"IPSJ-MGN550310"},"date":[{"dateType":"Available","dateValue":"2016-02-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MGN550310.pdf","filesize":[{"value":"1.0 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":"0110fbc9-915f-4683-b62a-da7dd995d492","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2014 by the Information Processing Society of Japan"}]},"item_1_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"四方, 順司"},{"creatorName":"渡邉, 洋平"}],"nameIdentifiers":[{}]}]},"item_1_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"SHIKATA, Junji","creatorNameLang":"en"},{"creatorName":"WATANABE, Yohei","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":"現代暗号理論における安全性は，主に計算量理論的安全性（計算量的安全性）と情報理論的安全性（情報量的安全性）に大別される．情報理論的安全性に基づいた暗号技術では，攻撃者が知りえない情報量を担保にして情報理論的あるいは確率論的立場から安全性を保証し，攻撃者の計算能力が無制限であっても安全性を達成できる．本稿では，情報理論的安全性に基づいた暗号基礎技術（暗号化，認証技術）について解説する．一般に，情報理論的安全性を保証するためには，この分野特有のモデルや仮定を必要とするが，それに関しても本稿で概観し，実用的・応用的な観点からの研究動向についても紹介する．","subitem_description_type":"Other"}]},"item_1_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"267","bibliographic_titles":[{"bibliographic_title":"情報処理"}],"bibliographicPageStart":"260","bibliographicIssueDates":{"bibliographicIssueDate":"2014-02-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicVolumeNumber":"55"}]},"relation_version_is_last":true,"weko_creator_id":"13"},"id":98432,"updated":"2025-01-21T12:27:37.020179+00:00","links":{},"created":"2025-01-18T23:44:41.322436+00:00"}