https://security.stackexchange.com/questions/240991/what-is-the-sk-ending-for-ssh-key-types

https://opensource.com/article/22/2/configure-ssh-privacy

https://bitlaunch.io/blog/how-to-fix-the-ssh-permission-denied-publickey-error/

https://ria.ee/amet-uudised-ja-kontakt/uudised-pressikontakt/uuringud-ja-analuusid