This document describes the prodecure of taking back-up of Digital Certificates.
What are Digital Certificates?
A digital certificate can be defined as an electronic certificate with a registered digital seal which ensures secrecy for all kinds of transactions over the Internet and in return prevents transaction forgery. Digital certificates are issued by a certification authority (CA). Each certificate contains
A serial number
Serial number of the certificate.
Issuer unique ID
The identity of the certification authority
The start and end dates of the validity period of the certificate.
Subject unique ID
Identity of the subscriber including his/her name
A public key of the subscriber
Intended use of public key
Specific purpose of public key use (Electronic signature, encryption, etc.)
Certificate policy and CSP
Certification policy and Certification Practice Statement used by the CA to issue the certificate
Signature value of CA
CA’s signature value that proves the above is true
The certificate when used ensures the following:
Verify user identity,
Prevent document forgery or tampering and prove transactions.
It is not possible to take a back-up copy of the certificates installed on the Cisco VPN 3000 Concentrator. You must reinstall and re-enroll them if necessary.
For more information about certificates and their installation, refer to these documents: