Data at rest encryption

Hello everybody.

Are there any positive changes on this matter?
https://css.csail.mit.edu/mylar/ is deprecated.
Other similar packages don’t provide sufficient functionality.
With planifica:encryption I have problems with sharing documents between multiple users.

Is it possible to enable encryption on the lower level?
Amazon provides some data at rest encryption for applications stored in their services. https://aws.amazon.com/whitepapers/encrypting-data-at-rest/
Is it possible to make it work with Meteor?