Access to my encrypted files on my Synology NAS (e.g. DSM webinterface)

I’m searching for following solution:

I have two desktop computers and two android devices.
I sync my files to all devices with my Synology NAS via Synology drive.
I want that the files are encrypted at the clients and the NAS.
I want to sync my files individually and not as one big container.

For that i found the tool “Cryptomator”.
My only question is, how can i access my encrypted files at my NAS storage for example at the webinterface of the Synology Diskstation.

Install a Linux in docket. Share the encrypted folders to Linux. Install Linux version cryptomator.