Describe the issue: The following information is not correct. Hashicorp is the supported KMS provider. " Currently, the only tested key management implementation uses OpenStack Barbican. However, OpenStack Barbican is a Technology Preview and is not supported for use in production systems. " Describe the task you were trying to accomplish: Suggestions for improvement: Add the supportability of Hashicorp Document URL: https://access.redhat.com/documentation/en-us/red_hat_ceph_storage/4/html-single/object_gateway_configuration_and_administration_guide/index#s3-server-side-encryption_rgw Chapter/Section Number and Title: 2.9 - under "Key Management Service" header Product Version: 4.1 Environment Details: Any other versions of this document that also needs this update: Additional information: