Add SSL certificate for load balancing

It's easy to buy a certificate , Most of them are kickbacks , It has nothing to do with programmers like me
Get the certificate , It's an email

 Your SSL certificate ：
-----BEGIN CERTIFICATE-----
 A little 
-----END CERTIFICATE-----


SSL Certificate chain ：
-----BEGIN CERTIFICATE-----
 A little 
-----END CERTIFICATE-----

Add a certificate to the certificate management page of load balancing of a cloud
Enter the public key , That's all right. , When entering the private key , Something is wrong.
Because the private key has encryption format , Unencrypted format , Some platforms are recognized , Some platforms don't recognize

-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-128-CBC,2 A little 

pUjF2sK....... A little 

A few more lines than the example , Direct error

The private key only supports base64 Character set

If you delete , When you click save, you always report an error

Message :  Parameters ServerCertificate The format of is not correct , Please modify the format and try again .
Code : KeyFormatError

It may be easy for an expert , But for us laymen , I'm fascinated
Some Yunhe ssl Certificate technical support , No problem found ,

Later, other technical support finally figured it out , The secret keys are encrypted and unencrypted 2 Kind of
This one of mine is encrypted , A cloud only supports unencrypted

Need to convert private key

$ openssl rsa -in key.key  -out new.key 
Enter pass phrase for key.key:  Enter the password when generating the private key 
writing RSA key

Just get a new private key
Upload it successfully

ps: After that 1 year , Buy a certificate again , The agent has done a special treatment for a cloud , No longer have this problem