Electrical computers and digital processing systems: multicomput – Computer-to-computer session/connection establishing – Network resources access controlling
Reexamination Certificate
2000-07-27
2008-08-12
Jaroenchonwanit, Bunjob (Department: 2143)
Electrical computers and digital processing systems: multicomput
Computer-to-computer session/connection establishing
Network resources access controlling
C713S155000, C713S157000, C713S158000
Reexamination Certificate
active
07412524
ABSTRACT:
This invention relates to a method for enabling the use of valid authentication certificates when the public key and private keys of any of the certifying authority have expired, comprising obtaining a server certifying authority chain (SCAC) certificate by the server from the said certifying authority, presenting the original valid authentication certificate along with the said server certifying authority chain certificate by the server to the browser during the SSL handshake, accepting the transaction by the browser after verification of the original authentication certificate using the expired public key of the certifying authority, and verifying the said SCAC certificate using the new public key of the said certifying authority.This invention further includes a system conducting secure transactions including a certifying authority for authenticating such transactions.
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PCT/GB02/00308; Response to the Examiner's Communication (8 pages)—EPO.
PCT/GB02/00308; Response to the Examiner's Communication (8 pages)—EPO, date unknown.
Chillakuru Vamsavardhana Reddy
Gupta Deepak
International Business Machines - Corporation
Jaroenchonwanit Bunjob
Schmeiser Olsen & Watts
Shin Kyung H
Steinberg William H.
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