Title:
電子文書管理プログラム、電子文書管理システム及び電子文書管理方法
Document Type and Number:
Japanese Patent JP4739000
Kind Code:
B2
Abstract:
It is possible to control electronic documents for partial disclosures and non-disclosures and prove to the third party that information other than non-disclosure part thereof has not been altered and the originality of decrypted information is assured. There is provided a section that controls electronic information for partial disclosures and non-disclosures according to conditions and situations such as viewers, systems and time and also a technological concept for proving to the third party that information other than non-disclosure part thereof has not been altered and the originality of decrypted information is assured, while controlling electronic information for partial disclosures and non-disclosures, by generating partial signature information apart from the text of electronic information, dividing it for holding and separating the function and the role of electronic information and those of partial signature information (verifying information).
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Inventors:
Koji Yoshioka
Application Number:
JP2005353525A
Publication Date:
August 03, 2011
Filing Date:
December 07, 2005
Export Citation:
Assignee:
富士通株式会社
International Classes:
G06F21/62; G06F21/64; G06Q10/00; G06Q50/00; G06Q50/10; G06Q50/26; H04L9/08; H04L9/32
Domestic Patent References:
| JP2005165738A | ||||
| JP2005031777A | ||||
| JP2004364070A | ||||
| JP2005124150A |
Other References:
吉岡 孝司 武仲 正彦,電子文書の訂正・流通を考慮した部分完全性保証技術の提案,FIT2004 第3回情報科学技術フォーラム 一般講演論文集 第4分冊 インターネット ネットワーク・モバイルコンピューティング 教育・人文科学 情報システム Forum on Information Technology 2004,日本,社団法人電子情報通信学会 社団法人情報処理学会,2004年 8月20日,p.231-232
Attorney, Agent or Firm:
Hideo Akazawa