{"created":"2025-01-19T01:24:17.510685+00:00","updated":"2025-01-19T13:02:38.841714+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00224724","sets":["1164:3925:11156:11157"]},"path":["11157"],"owner":"44499","recid":"224724","title":["pqeベース暗号方式における安全性の証明"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-02-27"},"_buckets":{"deposit":"11e3fbd2-b462-46ed-a43f-399fe7013c0f"},"_deposit":{"id":"224724","pid":{"type":"depid","value":"224724","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"pqeベース暗号方式における安全性の証明","author_link":["593181","593183","593182"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"pqeベース暗号方式における安全性の証明"},{"subitem_title":"Proof of Security in pqe-based cryptosystems","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"耐量子計算機暗号","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2023-02-27","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"大阪大学"},{"subitem_text_value":"大阪大学"},{"subitem_text_value":"大阪大学／北陸先端科学技術大学院大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Osaka University","subitem_text_language":"en"},{"subitem_text_value":"Osaka University","subitem_text_language":"en"},{"subitem_text_value":"Osaka University / Japan Advanced Institute of Science and Technology","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/224724/files/IPSJ-CSEC23100048.pdf","label":"IPSJ-CSEC23100048.pdf"},"date":[{"dateType":"Available","dateValue":"2025-02-27"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CSEC23100048.pdf","filesize":[{"value":"852.3 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":"30"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"3a2438f6-3b66-4486-9627-1609463e8a86","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2023 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"佐藤, 克洋"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Wang, Yuntao"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"宮地, 充子"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11235941","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":"2188-8655","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"近年使用されている暗号方式は，現在の計算機システムに対して一定の安全性を持っている．しかし，それらの暗号方式は近い将来量子計算機の実現によって多項式時間で解読される可能性があることがわかっている．それらに備えるべく，耐量子計算機暗号の候補である格子暗号 (Lattice-based Cryptography) と多変数多項式暗号 (MPKC:Miltivariate Public Key Cryptography) の技術を用いた linear-pqe-method，またそのリング版である ring-pqe method が提案された．本研究では，linear-pqe-method，ring-pqe method において証明可能安全性を考察する．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"The cryptographic schemes used in recent years have a certain degree of security against current computer systems. However, it is known that these cryptographic schemes may be deciphered in polynomial time in the near future when quantum computers are realized. To prepare for them, the linear-pqe method, and its ring versions, the ring-pqe method were proposed using the techniques of lattice-based cryptography and multivariable public-key cryptography (MPKC), which are candidates for quantum computer cryptography. In this study, we examine the provable safety of the linear-pqe-method and the ring-pqe-method, of which safety has not been considered.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告コンピュータセキュリティ（CSEC）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2023-02-27","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"48","bibliographicVolumeNumber":"2023-CSEC-100"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":224724,"links":{}}