https://man7.org/linux/man-pages/man5/moduli.5.html
https://security.stackexchange.com/questions/41941/consequences-of-tampered-etc-ssh-moduli
https://access.redhat.com/blogs/766093/posts/2177481
https://security.stackexchange.com/a/113058
https://github.com/Luzifer/go-dhparam
https://github.com/mimoo/test_DHparams