{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00224744","sets":["1164:3925:11156:11157"]},"path":["11157"],"owner":"44499","recid":"224744","title":["ブロックチェーンを活用した選出システムへの分散IDによるアクセスコントロールの適用"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-02-27"},"_buckets":{"deposit":"5e03fe5a-3833-417c-b2ee-a48eaa30b284"},"_deposit":{"id":"224744","pid":{"type":"depid","value":"224744","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"ブロックチェーンを活用した選出システムへの分散IDによるアクセスコントロールの適用","author_link":["593290","593289"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ブロックチェーンを活用した選出システムへの分散IDによるアクセスコントロールの適用"},{"subitem_title":"Application of the Access Control Using Decentralized Identities to Blockchain-Based Selection Mechanism","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"準同型暗号・暗号応用","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":"金沢大学"},{"subitem_text_value":"金沢大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Kanazawa University","subitem_text_language":"en"},{"subitem_text_value":"Kanazawa University","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/224744/files/IPSJ-CSEC23100068.pdf","label":"IPSJ-CSEC23100068.pdf"},"date":[{"dateType":"Available","dateValue":"2025-02-27"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CSEC23100068.pdf","filesize":[{"value":"1.1 MB"}],"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":"0b569de5-3da3-47be-899b-7b17260a85f7","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":"山田, 巧"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"満保, 雅浩"}],"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":"分散 ID の概念の元でアクセスコントロールを実現する方式として，アクセス権を求めた相手の資格を検証可能な Verifiable Credentials (VC) と User-managed-access (UMA) を組み合わせた VC-UMA 方式が提案されている．しかし，実社会ではより多くの代価を支払う人にデータを共有したい場合や，データの共有できる数が限られており一定の基準で選考を行いたい状況等が想定される．一方，ブロックチェーンを選出システムに活用する試みがなされている．既存の VC-UMA 方式では選出機能が提供されていなかったため，ブロックチェーンを活用した選出システムと組み合わせることにより，選出機能を提供できるように VC-UMA 方式のシステム拡張を行い，その性能を評価する．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"As a method to realize access control under the concept of distributed ID, the VC-UMA method, which combines a verifiable credentials (VC) and user-managed access (UMA), has been proposed. On the other hand, attempts are being made to use blockchain in an election system. Since the existing VC-UMA scheme does not provide an election function, we extend the VC-UMA scheme to provide an election function by combining it with a blockchain-based election system and evaluating its performance.","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":"68","bibliographicVolumeNumber":"2023-CSEC-100"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":224744,"updated":"2025-01-19T13:02:14.737022+00:00","links":{},"created":"2025-01-19T01:24:18.649425+00:00"}