{"links":{},"id":44583,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00044583","sets":["1164:3925:3936:3938"]},"path":["3938"],"owner":"1","recid":"44583","title":["MD5の衝突条件の検証"],"pubdate":{"attribute_name":"公開日","attribute_value":"2006-07-20"},"_buckets":{"deposit":"d15a546c-2654-45d1-b213-ce539b5f75f6"},"_deposit":{"id":"44583","pid":{"type":"depid","value":"44583","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"MD5の衝突条件の検証","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"MD5の衝突条件の検証"},{"subitem_title":"Inspection of sufficient conditions of MD5","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"2006-07-20","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"神戸大学大学院自然科学研究科"},{"subitem_text_value":"神戸大学工学部電気電子工学科"},{"subitem_text_value":"神戸大学工学部電気電子工学科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Science and Technology, Kobe University","subitem_text_language":"en"},{"subitem_text_value":"Fuctory of Engneering, Kobe University","subitem_text_language":"en"},{"subitem_text_value":"Fuctory of Engneering, Kobe 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/44583/files/IPSJ-CSEC06034019.pdf"},"date":[{"dateType":"Available","dateValue":"2008-07-20"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CSEC06034019.pdf","filesize":[{"value":"552.7 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":"917322b6-08ad-4d6b-aad0-bf28195499e1","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2006 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"仲野, 有登"},{"creatorName":"桑門, 秀典"},{"creatorName":"森井, 昌克"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Yuto, NAKANO","creatorNameLang":"en"},{"creatorName":"Hidenori, KUWAKADO","creatorNameLang":"en"},{"creatorName":"Masakatu, MORII","creatorNameLang":"en"}],"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_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"本論文ではＭＤ５の衝突探索で用いられる十分条件を実験的に検証した．具体的には，衝突メッセージの作成を行い，得られたメッセージが十分条件を満たすかどうかを検証した．その結果，従来示されている十分条件のなかに不要な条件が七つあることを発見し，これらの条件が不要であることを理論的に証明した．そのうちの三つ条件については満たさない割合を理論的に導出する．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"Sufficient conditions for finding the collision pairs of MD5 are about 600 conditions on internal variables, but the necessity of the conditions has not been studied. We investigate their necessity by a computer simulation, that is, check 1724 pairs of collision messages generated with the collision finding algorithm. As a result, we found that seven conditions are unnecessary. We also show the reason that three conditions of them are unnecessary. The theoretical analysis on the remaining four conditions is a future work.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"139","bibliographic_titles":[{"bibliographic_title":"情報処理学会研究報告コンピュータセキュリティ（CSEC）"}],"bibliographicPageStart":"133","bibliographicIssueDates":{"bibliographicIssueDate":"2006-07-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"81(2006-CSEC-034)","bibliographicVolumeNumber":"2006"}]},"relation_version_is_last":true,"weko_creator_id":"1"},"created":"2025-01-18T23:10:43.527659+00:00","updated":"2025-01-22T10:22:59.836881+00:00"}