crypt
Rclone remote to the remote which stores the encrypted data, that could be an external remote or local remote (remote is just a name/concept of Rclone and even though FS is local, it is also called remote).
We provide a guide how to set this up and decrypt/encrypt files outside of S3Drive given they're present on some external remote, that is S3 server: https://docs.s3drive.app/advanced/#sample
In this guide: s3drive_crypt
points to a bucket within s3drive_remote
(which is a S3 provider).
If your files are already downloaded then you would need to point your s3drive_crypt
to your local FS remote instead.
That technically means that within: s3drive_crypt
you would replace line: remote = s3drive_remote:<bucket_name>
with path to your FS, e.g: remote = C:\MyEncryptedData
I hope that helps, if you need any assistance on that please let me know. (edited)