Validate and Prepare Certificates for Upload

To validate and prepare certificates for upload:

1. Verify that none of the certificates in the certificate chain are corrupted or using invalid encoding.
   To do so, open each certificate in a program such as Notepad or Word, and verify that it contains the following:
   -----BEGIN CERTIFICATE-----
... certificate_content ...
-----END CERTIFICATE-----
2. Change the identity certificate issued to *.ctera.me to certificate.crt.
3. Change the file extension of the other certificates in the certificate chain to crt.
   For example, certificate-name.crt.
4. Archive all of the certificates, the identity certificate, the intermediary certificates, and the root self-signed certificate, in a ZIP file called certificate.zip.