The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 05, 2002

Filed:

Jul. 06, 1998
Applicant:
Inventors:

Rumiko Kakehi, Nakai-machi, JP;

Masaki Kyojima, Nakai-machi, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 ;
U.S. Cl.
CPC ...
H04L 9/00 ;
Abstract

A access rights authentication apparatus relieves burdens resulting from handling unique information of a large number of authentication keys and the like of users and protectors such as application authors, wherein a proof data verification module sends authentication data to a proof data generation module; proof data generation means of the proof data generation module generate proof data from the received authentication data and held user unique identifying information, and returns the proof data to the proof data verification module; the verification means of the proof data verification module verifies the proof data using the access ticket; and if the verification succeeds, program execution is permitted.


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