# AWS KMS use cases
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Use cases can help you get the most out of AWS Key Management Service. The first demonstrates how AWS KMS performs server-side encryption with AWS KMS keys on an Amazon Elastic Block Store (Amazon EBS) volume. The second is a client-side application that demonstrates how you can use envelope encryption to protect content with AWS KMS.

**Topics**
+ [Amazon EBS volume encryption](ebs-volume-encryption.md)
+ [Client-side encryption](client-side-encryption.md)