{"id":35217,"updated":"2025-01-22T14:47:50.195777+00:00","links":{},"created":"2025-01-18T23:03:36.556101+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00035217","sets":["1164:2836:2894:2899"]},"path":["2899"],"owner":"1","recid":"35217","title":["PGP公開鍵サーバの運用と問題点"],"pubdate":{"attribute_name":"公開日","attribute_value":"1998-01-29"},"_buckets":{"deposit":"00b17e96-abe0-42c4-a2b0-24ce387e5a12"},"_deposit":{"id":"35217","pid":{"type":"depid","value":"35217","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"PGP公開鍵サーバの運用と問題点","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"PGP公開鍵サーバの運用と問題点"},{"subitem_title":"Setting a PGP(Pretty Good Privacy) key server into operation","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"1998-01-29","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"広島市立大学情報科学部"},{"subitem_text_value":"広島市立大学情報科学部"},{"subitem_text_value":"広島市立大学情報科学部"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Faculty of Information Sciences, Hiroshima City University","subitem_text_language":"en"},{"subitem_text_value":"Faculty of Information Sciences, Hiroshima City University","subitem_text_language":"en"},{"subitem_text_value":"Faculty of Information Sciences, Hiroshima City 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/35217/files/IPSJ-DPS97086007.pdf"},"date":[{"dateType":"Available","dateValue":"2000-01-29"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DPS97086007.pdf","filesize":[{"value":"396.2 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":"a3aed207-70f0-423b-8a34-1656e96a6588","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 1998 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"王仁峰"},{"creatorName":"村山, 優子"},{"creatorName":"天野, 橘太郎"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Jinho, Oh","creatorNameLang":"en"},{"creatorName":"Yuko, Murayama","creatorNameLang":"en"},{"creatorName":"Kitsutaro, Amano","creatorNameLang":"en"}],"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_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"電子メールやWWWが一般に浸透したネットワークを基盤とした情報社会では、通信は欠かすことの出来ない要素である。通信者の秘匿性や情報の完全保持は今後、さらに重要となる。Pretty　Good　Privacy(G)とは第三者から情報を守り安全な通信を可能にするための公開鍵暗号方式のプログラムである。本研究では、PGPの公開鍵入手を仲介するPGP公開鍵サーバのメカニズムを調査、考察を行ない、現在の公開鍵サーバの欠点と改善方法を提塞する。","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"We report our trial to put a PGP key server into operation. Through our trial we found a fundamental problem with existing key servers that the server system is so centralized-structured that a server has to maintain all the key data over the world; the system require a large amount of memory such as 27 Mbytes. We have observed the increase of key database over a few weeks. An idea to distribute such database is proposed.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"42","bibliographic_titles":[{"bibliographic_title":"情報処理学会研究報告マルチメディア通信と分散処理（DPS）"}],"bibliographicPageStart":"37","bibliographicIssueDates":{"bibliographicIssueDate":"1998-01-29","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"8(1997-DPS-086)","bibliographicVolumeNumber":"1998"}]},"relation_version_is_last":true,"weko_creator_id":"1"}}