Convert SSL certificate to use with Amazon CloudFront

Hi there,
I setup a S3 based web site on Amazon and it works. then I tried to active SSL on that. I got a certificate from Comodo, the file I revived is  one file with .cer extension. For Amazon to accept the certificate it asks for following 3 files. How can I get these files?

--certificate-body file://public_key_cert_file.pem
--private-key file://my_private_key.pem
--certificate-chain file://my_certificate_chain_file.pem

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David SankovskySenior SysAdminCommented:
That might be slightly tougher that you think.
As far as I know, the private key can only be obtained from the server the CSR was issued from after it was already signed. If you can first sign it on the server level, you should then be able to use this guide.

I could be mistaken however, so I'd try to contact Amazon for assistance, or wait for other experts to comment as well.
Shalom CarmelCTOCommented:
You can't use SSL with a custom domain directly on S3, you must use a CDN.
Cloudfront is the default option for a CDN, however it is neither the fastest nor the cheapest, just the default. If you expect traffic bigger than 500GB/month, it may be worthwhile to check alternatives.
To create a CSR for Comodo, you had to create a private key in the process. Find it, or you can't use the certificate at all. Thsi is the file for --private-key
In your Comodo account, ask to re-issue the certificate. Ask it for Apache, this is the file you need for --certificate-body
Comodo give you an option to download what they may call a CA bundle. This is the intermediate cert
If you can't find the intermediate/bundle, ask Comodo support and they will gladly provide it

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