公开(公告)号：CA2663241A1

公开(公告)日：2008-05-02

申请号：CA2663241

申请日：2007-10-24

Applicant: IBM

Inventor： OKAMOTO KOHSUKE ,  MIYAMOTO TAKASHI

IPC: H04L9/08 ,  H04L9/32

Abstract: [PROBLEMS TO BE SOLVED] It is an object to provide a technique for authen ticating a communication partner by means of an electronic certificate inclu ding personal information. [MEANS FOR SOLVING THE PROBLEMS] When a client de vice receives a request of an electronic certificate from a server device, t he client device reads out a client certificate including personal informati on and a server public key from a storing unit and encrypts the client certi ficate by using the server public key. Further, the client device sets a pre determined item in a basic region of the electronic certificate showing that the electronic certificate is temporary digital evidence and makes out a te mporary electronic certificate by setting the encrypted client certificate i n an expanded region of the electronic certificate. The client device then t ransmits the temporary electronic certificate to the server device.

公开(公告)号：IN2956CHN2009A

公开(公告)日：2015-08-07

申请号：IN2956CHN2009

申请日：2009-05-27

Applicant: IBM

Inventor： OKAMOTO KOHSUKE ,  MIYAMOTO TAKASHI

IPC: H04L9/08

Abstract: When a client apparatus receives a request for an electronic certificate from a server apparatus, the server apparatus reads a client containing personal information and a server public key of the server apparatus from a storage unit and encrypts the client certificate using the server public key. The client apparatus also a temporary electronic certificate by setting, in a basic field of an electronic certificate, a predetetmined item indicating that the electronic certificate is a temporary electronic certificate and by the client certificate having been encrypted in an extension field of the electronic certificate. Thenthe client apparatus sends the temporary electronic certificate to the server apparatus.

公开(公告)号：CA2663241C

公开(公告)日：2014-12-09

申请号：CA2663241

申请日：2007-10-24

Applicant: IBM

Inventor： OKAMOTO KOHSUKE ,  MIYAMOTO TAKASHI

IPC: H04L9/08 ,  H04L9/32

Abstract: [Object] To provide a technique for authenticating a communication partner using an electronic certificate containing personal information. [Solving Means] When a client apparatus receives a request for an electronic certificate from a server apparatus, the server apparatus reads a client certificate containing personal information and a server public key of the server apparatus from a storage unit and encrypts the client certificate using the server public key. The client apparatus also creates a temporary electronic certificate by setting, in a basic field of an electronic certificate, a predetermined item indicating that the electronic certificate is a temporary electronic certificate and by setting the client certificate having been encrypted in an extension field of the electronic certificate. Then, the client apparatus sends the temporary electronic certificate to the server apparatus.