$ cd ~
$ doas su
# vnconfig vnd0 backup.enc
# bioctl -c C -l vnd0a softraid0
Passphrase:
softraid0: CRYPTO volume attached as sd1
# mount /dev/sd1e backup/
$ rsync -av --exclude *~ --exclude .git/ --delete --delete-excluded Documents starbeastie:backup/
# umount /dev/sd1e
# bioctl -d sd1
# vnconfig -u vnd0
# ^D