dd if=/dev/urandom of=/etc/ssl/private/swapa.key bs=64k count=1
dd if=/dev/urandom of=/etc/ssl/private/swapb.key bs=64k count=1
dd if=/dev/urandom of=/etc/ssl/private/system.key bs=64k count=1
cryptsetup luksAddKey /dev/sda3 /etc/ssl/private/swapa.key
cryptsetup luksAddKey /dev/sdb3 /etc/ssl/private/swapb.key
cryptsetup luksAddKey /dev/md1 /etc/ssl/private/system.key
cryptsetup luksKillSlot --key-file /etc/ssl/private/swapa.key /dev/sda3 0
cryptsetup luksKillSlot --key-file /etc/ssl/private/swapb.key /dev/sdb3 0