{"created":"2023-07-25T10:33:22.666186+00:00","id":4756,"links":{},"metadata":{"_buckets":{"deposit":"9225069e-1640-41f4-9699-5383288d1cc3"},"_deposit":{"created_by":3,"id":"4756","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"4756"},"status":"published"},"_oai":{"id":"oai:shizuoka.repo.nii.ac.jp:00004756","sets":["80:222"]},"author_link":["941","1180","1179","4707"],"item_26_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"An Improvement of User Authentication Using Schema of Visual Memory : An extension of the system using hint"}]},"item_26_biblio_info_5":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2006-07-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"81","bibliographicPageEnd":"418","bibliographicPageStart":"411","bibliographicVolumeNumber":"2006","bibliographic_titles":[{"bibliographic_title":"情報処理学会研究報告. CSEC, [コンピュータセキュリティ]"}]}]},"item_26_description_30":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_26_description_9":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"我々は,一見すると無意味に見える不鮮明な画像をパス画像とすることにより,覗き見攻撃に耐性を有する「画像記憶のスキーマを利用した認証方式」を既に提案している.しかし本方式は,視認性の低い不鮮明化画像を利用しているため,ユーザがパス画像の選択に要する時間が長くなるという問題を残していた.一方,本方式においては,スキーマを持たない攻撃者に対してパス画像に関する情報を言語で伝えても,攻撃者はその意味を理解できないという実験結果が得られている.そこで本稿では,パス画像を思い出すにあたっての手掛かりとなる言語情報を認証時に提示することによって,本方式の改善を図る.手掛かり情報はスキーマを有する正規ユーザにのみ伝わり,正規ユーザの認証負荷のみを軽減することができると期待される.本稿では手掛かりの提示による利便性向上への寄与と覗き見攻撃への影響を,基礎実験を通じて検証する.","subitem_description_type":"Abstract"}]},"item_26_publisher_6":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会"}]},"item_26_relation_22":{"attribute_name":"NII論文ID","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"110004821059","subitem_relation_type_select":"NAID"}}]},"item_26_rights_7":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"本文データは学協会の許諾に基づきCiNiiから複製したものであるここに掲載した著作物の利用に関する注意 本著作物の著作権は（社）情報処理学会に帰属します。本著作物は著作権者である情報処理学会の許可のもとに掲載するものです。ご利用に当たっては「著作権法」ならびに「情報処理学会倫理綱領」に従うことをお願いいたします。 Notice for the use of this material The copyright of this material is retained by the Information Processing Society of Japan (IPSJ). This material is published on this web site with the agreement of the author (s) and the IPSJ. Please be complied with Copyright Law of Japan and the Code of Ethics of the IPSJ if any users wish to reproduce, make derivative work, distribute or make available to the public any part or whole thereof. All Rights Reserved, Copyright (C) Information Processing Society of Japan."}]},"item_26_source_id_19":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"09196072","subitem_source_identifier_type":"ISSN"}]},"item_26_source_id_23":{"attribute_name":"NII書誌ID","attribute_value_mlt":[{"subitem_source_identifier":"AA11235941","subitem_source_identifier_type":"NCID"}]},"item_26_subject_8":{"attribute_name":"NDC","attribute_value_mlt":[{"subitem_subject":"007","subitem_subject_scheme":"NDC"}]},"item_26_version_type_32":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"山本, 匠"}],"nameIdentifiers":[{},{},{}]},{"creatorNames":[{"creatorName":"原田, 篤史"}],"nameIdentifiers":[{},{},{}]},{"creatorNames":[{"creatorName":"漁田, 武雄"}],"nameIdentifiers":[{},{},{},{}]},{"creatorNames":[{"creatorName":"西垣, 正勝"}],"nameIdentifiers":[{},{},{},{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-12-14"}],"displaytype":"detail","filename":"101101007.pdf","filesize":[{"value":"1.0 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"101101007.pdf","url":"https://shizuoka.repo.nii.ac.jp/record/4756/files/101101007.pdf"},"version_id":"5cb2da6e-24f4-4fc0-8d28-b964350fae7d"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"画像記憶のスキーマを利用した認証方式の拡張 : 手掛かりつき再認方式","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"画像記憶のスキーマを利用した認証方式の拡張 : 手掛かりつき再認方式"}]},"item_type_id":"26","owner":"3","path":["222"],"pubdate":{"attribute_name":"公開日","attribute_value":"2010-11-01"},"publish_date":"2010-11-01","publish_status":"0","recid":"4756","relation_version_is_last":true,"title":["画像記憶のスキーマを利用した認証方式の拡張 : 手掛かりつき再認方式"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2024-02-14T02:53:17.488161+00:00"}