{"id":210059,"created":"2025-01-19T01:11:19.830271+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00210059","sets":["1164:2836:10501:10502"]},"path":["10502"],"owner":"44499","recid":"210059","title":["格子を用いた複数鍵線形準同型署名"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-03-08"},"_buckets":{"deposit":"1d0dc427-bb19-449c-982e-de0760d169f3"},"_deposit":{"id":"210059","pid":{"type":"depid","value":"210059","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"格子を用いた複数鍵線形準同型署名","author_link":["531006","531005"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"格子を用いた複数鍵線形準同型署名"},{"subitem_title":"Multi-key linear homomorphic signature based on lattices","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"暗号","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2021-03-08","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"情報セキュリティ大学院大学"},{"subitem_text_value":"情報セキュリティ大学院大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Institute of Information Security","subitem_text_language":"en"},{"subitem_text_value":"Institute of Information Security","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/210059/files/IPSJ-DPS21186036.pdf","label":"IPSJ-DPS21186036.pdf"},"date":[{"dateType":"Available","dateValue":"2023-03-08"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DPS21186036.pdf","filesize":[{"value":"778.3 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":"34"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"48f9c706-c1b2-490a-ae64-a1af0c702bf9","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2021 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"小﨑, 俊二"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"有田, 正剛"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10116224","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8906","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"本稿では，Boneh と Freeman (Eurocrypt2011) により提案された線形準同型署名に Aranha と Pagnin (Latincrypt2019) の手法を適用して複数ユーザー (鍵) の署名に対して利用可能な線形準同型署名を構成する．Boneh と Freeman の準同型署名は SIS 問題の困難性を安全性の仮定としているが，単一鍵による署名のみに利用可能である．また，Aranha と Pagnin の複数鍵を利用可能な線形準同型署名はペアリングに関する離散対数問題の困難性を安全性の仮定としている．本稿で構成する複数鍵を利用可能な線形準同型署名は SIS 問題の困難性仮定のもとで安全性が証明されることから量子計算機耐性を持つと考えられる．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告マルチメディア通信と分散処理（DPS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2021-03-08","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"36","bibliographicVolumeNumber":"2021-DPS-186"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"updated":"2025-01-19T18:17:21.127261+00:00","links":{}}