Electronic certificate system

Details Electronic certificate system Electronic certificate system

2006-10-17

2006-10-17

Louis-Jacques, Jacques H. (Department: 2134)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Central trusted authority provides computer authentication

C713S158000, C726S010000

Reexamination Certificate

active

07124294

ABSTRACT:
In order to limit users who can check for validity of a certificate in a system which uses public key certificates, a validity check permit permitting a request to check for validity of the certificate is issued by a permit issuing server120to the applicant of the certificate. The certificate applicant sends the validity check permit to a relevant user when the certificate is used (step701). When having a certificate validity checking server check for validity of the certificate, the user sends the validity check permit of the certificate to be checked to the certificate validity checking server (step704). The certificate validity checking server verifies the validity check permit (step706).

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