https://wiki.archlinux.org/index.php/Dm-crypt
https://wiki.archlinux.org/index.php/Dm-crypt/Device_encryption

https://en.wikipedia.org/wiki/Dm-crypt
https://wiki.gentoo.org/wiki/Dm-crypt
    https://wiki.gentoo.org/wiki/Dm-crypt/ru
http://xgu.ru/wiki/dm-crypt

https://www.howtoforge.com/automatically-unlock-luks-encrypted-drives-with-a-keyfile
http://superuser.com/questions/919590/dm-crypt-with-luks-etc-crypttab-using-either-keyfile-or-passphrase

https://github.com/Aminuxer/DM-Crypt-Helper-Scripts

2020
https://blog.cloudflare.com/speeding-up-linux-disk-encryption/
    https://www.opennet.ru/opennews/art.shtml?num=52630
2017
https://www.linode.com/docs/security/encrypt-data-disk-with-dm-crypt/
https://eax.me/dm-crypt/
https://forum.manjaro.org/t/create-encrypted-home-partition/20583/17
https://github.com/Chrysostomus/manjaro-architect/issues/217
????
http://www.spy-soft.net/kak-nadezhno-zashifrovat-fajly-v-linux-s-pomoshhyu-dm-crypt/