wipefs -a -f /dev/mmcblk0
cryptsetup --cipher aes-xts-plain --key-size 512 --hash sha512 -v luksFormat /dev/mmcblk0
cryptsetup luksOpen /dev/mmcblk0 mmcblk0
mkfs.exfat -s 128KB /dev/mapper/mmcblk0
mount /dev/mapper/mmcblk0 /tmp/mmcblk0
time rsync -urtDvP /home/user/data /tmp/mmcblk0/

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