US 2004/0172540 A1Published application

Method and apparatus for publishing signature log entry

AssigneeHitachi, Ltd.

InventorsKouichi Tanimoto, Kunihiko Miyazaki, Shinji Itoh, Yasuaki Kudo, Yoshiharu Bessho

Life of this patent

Estimating the term…

Loading patent…

Abstract

A publication system effective and secure to the publication agency and the user is provided for the publication agency, and a signature verifying function using the disclosed signature log entries is provided for the user. The publication agency discloses the signature log entries received from the users on Web, and acquires time-stamp at the time of the publication, and transmits them together with the publication notice back to the users. The publication agency also has the signature log, and either discloses part of the log at regular intervals in the newspaper or the like, or produces publication-purpose data on the basis of the signature log entries received from each user and discloses in the newspaper. The publication agency, after the newspaper publication, transmits the signature log of the publication agency to the users.

Claims14

Dependent claims

A method of publishing signature log entries having information about signatures generated by user's side apparatus, comprising the steps of:

on a publication agency's side apparatus,
receiving and publishing the user's signature log entries generated by the user's side apparatus as a user's signature log entry publishing step;
notifying the users of having published the user's signature log entries as a user's signature log entry publication notifying step;
generating a publication agency's signature log entry by using the received user's signature log entries, and updating a signature log having the publication agency's signature log entry produced and registered in past times as a signature log updating step;
publishing the generated publication agency's signature log entry as a publication agency's signature log entry publication step;
and
notifying the users of having published the publication agency's signature log entry as a publication agency's signature log entry publication notifying step.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 10/628,388Filed 29 Jul 2003
Priority: JP 2003-05024827 Feb 2003
Published: 2 Sep 2004
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

H04L 63/123
Applying verification of the received information: received data contents, e.g. message integrity
G06F 21/33
User authentication: using certificates
H04L 9/3247
Including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity…:…
H04L 9/3297
Including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity…:…