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Title:
メッセージ交換方法、およびメッセージ変換システム
Document Type and Number:
Japanese Patent JP4546105
Kind Code:
B2
Abstract:
A message given with an electronic signature is modified, for example, by adding or deleting data to or from the message, while keeping validity of the electronic signature. A conversion information insertion unit 21 of a computer B 20 receives a message given with an electronic signature from a computer A 10 , and inserts conversion information into the message. Then, the conversion information insertion unit 21 sends the message added with the conversion rules to a computer C 30 . A signature verification unit 31 of a computer C 30 receives the message with the inserted conversion information from the computer B 20 . With respect to the received message, the signature verification unit 31 verifies whether the XML signature given by the computer A 10 is valid or not. In the case where the XML signature is valid, a conversion information application unit 32 modifies the message given with the XML signature, for example by adding or deleting data.

Inventors:
Kojiro Nakayama
Naotaka Kumagawa
Application Number:
JP2004026505A
Publication Date:
September 15, 2010
Filing Date:
February 03, 2004
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
G06F17/21; H04L9/32; H04L9/00
Other References:
倉光 君郎 KIMIO KURAMITSU,複合コンテンツサービス:消費者指向のインターネットビジネス協調モデルの提案 Compound Content Service Enables Customer-oriented Business Collaborations across the Internet,情報処理学会論文誌 第41巻 第11号 IPSJ Journal,日本,社団法人情報処理学会 Information Processing Society of Japan,第41巻
西澤 秀和 Hidekazu Nishizawa,Webブラウザ上でのXML署名機能を備えたプラグインの開発 Development of XML-Signature Plugin,コンピュータセキュリティシンポジウム2000 Computer Security Symposium 2000,日本,社団法人情報処理学会 Information Processing Society of Japan,第2000巻
Attorney, Agent or Firm:
Shoyo domestic and overseas patent office