INFORMATION-PROCESSING APPARATUS, INFORMATION-PROCESSING METHOD, AND COMMUNICATION CONTROL PROGRAM RECORDING MEDIUM

• US 20080109653A1
• Filed: 06/19/2007
• Published: 05/08/2008
• Est. Priority Date: 11/06/2006
• Status: Abandoned Application

• Current Assignee: Fuji Xerox Company Limited (Xerox Holdings Corp.)
• Original Assignee: Fuji Xerox Company Limited (Xerox Holdings Corp.)
• Inventors: Yokohama, Tatsuhiko
• Application Number:
  US11/764,961
• Publication Number:
  US 20080109653A1
• Time in Patent Office: Days
• US Class Current: 713/156
• CPC Class Codes: H04L 9/3263 involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements network architectures or network communication protocols for supporting authentication of entities using certificates in a packet data network H04L63/0823

Abstract

An information-processing apparatus includes a designation section that designates a request format for receiving a supply of information from a supplier of validity information of a public key certificate, and a corresponding response format; a response result acquirer that transmits to the supplier an inquiry for validity information of a public key certificate according to the request format, and acquires a response result; a validity confirmation section that confirms validity of the inquired public key certificate on the basis of the validity information included in the response result; and a redesignation section that redesignates the request format or the response format on the basis of a comparison between the response result and the response format.

Claims

1. An information-processing apparatus comprising:

a designating section that designates a request format for receiving a supply of information from a supplier of validity information of a public key certificate, and a corresponding response format;

a response result acquirer that transmits to the supplier an inquiry for validity information of a public key certificate in accordance with the request format, and acquires a response result;

a validity confirmation section that confirms validity of the inquired public key certificate on the basis of the validity information included in the response result; and

a redesignation section that redesignates the request format or the response format on the basis of a comparison between the response result and the response format.

2. The information-processing apparatus as defined in claim 1, further comprising:

a combination information acquirer that transmits an inquiry to the supplier and acquires combination information indicating a combination of a request format acceptable by the supplier and a response format according to which the supplier supplies information in response to that request format.

3. The information-processing apparatus as defined in claim 2, wherein

when it is determined as a result of the comparison that the response result does not satisfy the response format, the redesignation section redesignates the request format or the response format on the basis of the combination information.

4. The information-processing apparatus as defined in claim 1, further comprising:

a request format information acquirer that transmits an inquiry to the supplier and acquires a request format information regarding a request format necessary for acquiring a response result having a specific response format.

5. The information-processing apparatus as defined in claim 4, wherein

when it is determined as a result of the comparison that the response result does not satisfy the response format, the redesignation section redesignates at least the request format on the basis of the request format information.

6. The information-processing apparatus as defined in claim 1, further comprising:

storage that stores a standard request format or standard response format to be employed with respect to the supplier in general, as well as an individual request format or individual response format corresponding to the redesignated request or response format redesignated by the redesignation section;

wherein

the designation section designates the request format or the response format in accordance with the standard request format or the standard response format when an individual request format or individual response format for use with respect to the supplier is not stored in the storage, whereas, when an individual request format or individual response format for use with respect to the supplier is stored in the storage, the designating section designates the request format or the response format in accordance with the stored individual request or response format.

7. An information-processing method comprising:

designating a request format for receiving a supply of information from a supplier of validity information of a public key certificate, and a corresponding response format;

transmitting to the supplier an inquiry for validity information of a public key certificate in accordance with the request format, to thereby acquire a response result;

confirming validity of the inquired public key certificate on the basis of the validity information included in the response result; and

redesignating the request format or the response format on the basis of a comparison between the response result and the response format.

8. The information-processing method as defined in claim 7, further comprising:

transmitting an inquiry to the supplier to thereby acquire combination information indicating a combination of a request format acceptable by the supplier and a response format according to which the supplier supplies information in response to that request format.

9. The information-processing method as defined in claim 8, wherein

during the redesignation, when it is determined as a result of the comparison that the response result does not satisfy the response format, the request format or the response format is redesignated on the basis of the combination information.

10. The information-processing method as defined in claim 7, further comprising:

transmitting an inquiry to the supplier to thereby acquire request format information regarding a request format necessary for acquiring a response result having a specific response format.

11. The information-processing method as defined in claim 10, wherein

during the redesignation, when it is determined as a result of the comparison that the response result does not satisfy the response format, at least the request format is redesignated on the basis of the request format information.

12. The information-processing method as defined in claim 7, further comprising:

storing a standard request format or standard response format to be employed with respect to the supplier in general, as well as an individual request format or individual response format corresponding to the redesignated request or response format redesignated by the redesignation section;

wherein

during the designation, the request format or the response format is designated in accordance with the standard request format or the standard response format when an individual request format or individual response format for use with respect to the supplier is not stored in the storage, whereas, when an individual request format or individual response format for use with respect to the supplier is stored in the storage, the request format or the response format is designated in accordance with the stored individual request or response format.

13. A computer-readable medium storing a program causing a computer to execute a process for communication control, the process comprising:

designating a request format for receiving a supply of information from a supplier of validity information of a public key certificate, and a corresponding response format;

transmitting to the supplier an inquiry for validity information of a public key certificate in accordance with the request format, to thereby acquire a response result;

confirming validity of the inquired public key certificate on the basis of the validity information included in the response result; and

redesignating the request format or the response format on the basis of a comparison between the response result and the response format.

14. The medium as defined in claim 13, wherein the process further comprises:

transmitting an inquiry to the supplier to thereby acquire combination information indicating a combination of a request format acceptable by the supplier and a response format according to which the supplier supplies information in response to that request format.

15. The medium as defined in claim 14, wherein

during the redesignation, when it is determined as a result of the comparison that the response result does not satisfy the response format, the request format or the response format is redesignated on the basis of the combination information.

16. The medium as defined in claim 13, wherein the process further comprises:

transmitting an inquiry to the supplier to thereby acquire request format information regarding a request format necessary for acquiring a response result having a specific response format.

17. The medium as defined in claim 16, wherein

during the redesignation, when it is determined as a result of the comparison that the response result does not satisfy the response format, at least the request format is redesignated on the basis of the request format information.

18. The medium as defined in claim 13, wherein the process further comprises:

storing a standard request format or standard response format to be employed with respect to the supplier in general, as well as an individual request format or individual response format corresponding to the redesignated request or response format redesignated by the redesignation section;

wherein

during the designation, the request format or the response format is designated in accordance with the standard request format or the standard response format when an individual request format or individual response format for use with respect to the supplier is not stored in the storage, whereas, when an individual request format or individual response format for use with respect to the supplier is stored in the storage, the request format or the response format is designated in accordance with the stored individual request or response format.