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Device and method for authenticating user's access rights to resources
| Details |
Inventors: Shin, Kil-ho; Kobayashi, Kenichi; Aratani, Toru;
Assignee: Fuji Xerox Co., Ltd. (Tokyo, JP)
Primary Examiner: Cangialosi; Salvatore
Assistant Examiner:
Attorney, Agent or Firm: Oliff & Berridge, PLC
The present invention provides a device for authenticating user's access rights to resources, which comprises first memory means for storing challenging data, second memory means for storing unique identifying information of the user, third memory means for storing proof support information which is a result of executing predetermined computations to the unique identifying information of the user and unique security characteristic information of the device, response generation means for generating a response from the challenging data stored in the first memory means, the unique identifying information stored in the second memory means and the proof support information stored in the third memory means, and verification means for verifying the legitimacy of the response by verifying that the response, the challenging data and the unique security characteristic information of the device satisfy a specific predefined relation. |
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DETAILED DESCRIPTION The present invention has been made in view of the above circumstances and has an object to provide a device for authenticating user's access rights to resources and its method which set both users and the protecting side such as application providers free from inconveniences caused by handling of large amount of unique information, for example, a lot of authentication keys, and thereby user's access rights are easily and simply authenticated when the execution control of the program, privacy protection of electronic mails, access control of files or computer resources and so forth are carried out.
Additional objects and advantages of the invention will be set forth in part in the description which follows and in part will be obvious from the description, or may be learned by practice of the invention.
The objects and advantages of the invention may be realized and attained by means of the instrumentalities and combinations particularly pointed out in the appended claims.
To achieve the objects and in accordance with the purpose of the invention, as embodied and broadly described herein, one aspect of a device for authenticating user's access rights to resources of the present invention comprises first memory means for storing challenging data, second memory means for storing unique identifying information of the user, third memory means for storing proof support information which is a result of executing predetermined computations to the user unique identifying information and unique security characteristic information of the device, response generation means for generating a response from the challenging data stored in the first memory means, the unique identifying information stored in the second memory means and the proof support information stored in the third memory means, and verification means for verifying the legitimacy of the response by verifying that the response, the challenging data and the unique security characteristic information of the device satisfy a specific predefined relation
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