1. Select Certificate Client from the Create menu:
2. In the Certificate Client dialog, enter CA certificate file, CA private key file, password, certificate request file, serial number, number of days for which the certificate is valid and the file name of the client certificate to be created.
Create Certificate Client processing steps
1. Read CA private key and certificate
2. Read certificate request (X509 certificate subject)
3. Create certificate
4. Set valid days
5. Set serial number
6. Sign and save X509 certificate (signed by CA).