App Engine: The private key you've selected does not appear to be valid

Question

I\'m trying to add a new SSL certificate to my Google App Engine account, but after following all the steps in the manual I kept getting this error uploading the Unencrypted PEM

Answer 1

Google requires an RSA formatted private key, which should have the following header (note the word RSA):

-----BEGIN RSA PRIVATE KEY-----

If your key has just: ---BEGIN PRIVATE KEY--- (no RSA), then you will need to convert it. You can use OpenSSL for that:

openssl rsa -in server.key -out server_rsa.key