# Properties for Amazon S3 client-side encryption with S3A


To configure client-side encryption with S3A, there are several configuration properties that must be set in your core-site.xml settings. For more information about custom configuration settings, see [Configure applications](emr-configure-apps.html).

[\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/emr/latest/ReleaseGuide/emr-encryption-s3a-properties.html)