A Scheme for Partial Disclosure of Transaction Log(Application)(<Special Section>Cryptography and Information Security)

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概要

• 論文の詳細を見る

• To investigate cyber-criminals, Police sometimes asks Administrator of a computer system to disclose the whole transaction log. Administrator, however, wants to protect the privacy of innocent users. This paper presents a solution for the disclosure/privacy problem of transaction log. In this scheme, Police can search over the encrypted records of the transaction log by keywords. The administrator discloses only the records which include the keyword, but nothing more. Police can verify that the administrator faithfully disclosed all the records which include the keyword.

• 社団法人電子情報通信学会の論文
• 2005-01-01

著者

• 黒沢 馨

  The Authors Are With The Department Of Communication And Integrated Systems Tokyo Institute Of Techn

• 黒沢 馨

  Tokyo Institute Of Technology

• KUROSAWA Kaoru

  Department of Computer and Information Sciences, Ibaraki University

• KAMADA Masaru

  Department of Computer and Information Sciences, Faculty of Engineering, Ibaraki University

• Ohtaki Yasuhiro

  Department of Computer and Information Sciences, Ibaraki University

• Kamada M

  Department Of Computer And Information Sciences Ibaraki University

• Kamada Masaru

  Department Of Computer And Information Sciences Faculty Of Engineering Ibaraki University

• Kurosawa Kaoru

  Department Of Computer And Information Sciences Ibaraki University

• Ohtaki Yasuhiro

  Department Of Computer And Information Sciences Ibaraki University

• Kamada Masaru

  Department Of Information And Sciences Seikei University

• Kurosawa Kaoru

  Department Of Behavioral Sciences Faculty Of Letters Chiba University

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