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According to Entrust the CSR should be in Base64 (pem) encoded format.
Submit Public Key to CA
The CRS file is submitted to the CA. Every CA will have a slightly different procedure.
This step also includes various CA specific procedures to prove your identity.
Download and Store Keys
The CA will use your public key in the CSR to sign (need details here).
Following this example using StartSSL we are provided an email and follow instructions to retreive the certificate. StartSSL provides a webpage where you must copy and paste the Certificate text data into a text file.
The text file should be saved with the domain name and the CRT extension. In this example, it will be earth.com.crt.
Apache Setup
First enable the module in Apache,
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