https://gitlab.com/cryptsetup/cryptsetup

https://www.archlinux.org/packages/core/x86_64/cryptsetup/
pacman -Ss cryptsetup

# !!! ui - gnome-disks

sudo cryptsetup
    luksUUID /dev/sdX
    open /dev/sdX <name>
        new syntax
    open /path/to/dev/ --test-passphrase --verbose
        and write down slot number
    close <name>
    luksDump /dev/sdX
    luksChangeKey /path/to/dev/

http://unix.stackexchange.com/questions/206476/cryptsetup-dm-crypt-plain-mode-using-keyfile-and-passphrase

https://gitlab.com/cryptsetup/cryptsetup/wikis/DMCrypt

ctmg - container manager:
    https://git.zx2c4.com/ctmg/about/

whats new:
http://www.opennet.ru/opennews/art.shtml?num=47728
http://www.saout.de/pipermail/dm-crypt/2017-December/005771.html