Customer-managed CMKs

Finally, we have customer-managed keys, and these keys offer the greatest level of flexibility and control. Unlike AWS-owned and AWS-managed CMKs, with customer-managed keys, you have total control and governance over these keys. You are able to create, disable, or delete the key, configure the key policies associated with your key, configure grants, and also alter and adjust the key rotation periods and view full usage through the audit history of the key. 

These keys can be used by other AWS services that integrate with KMS and can be used instead of the AWS-managed keys if desired. Due to the additional flexibility offered by customer-managed keys, there is an additional charge for using your customer CMKs, whereas the other CMKs discussed can be used free of charge. 

Let's try and create a customer-managed CMK. It is a simple process, so let's take a look step by step:

1. From within the AWS Management Console, make sure you are in the region...