Introduction:
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
Components
Description
A serial number | Serial number of the certificate. |
Issuer unique ID | The identity of the certification authority |
Validity period | The start and end dates of the validity period of the certificate. |
Subject unique ID | Identity of the subscriber including his/her name |
Public key | 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.
Resolution
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: