Not a direct answer but maybe read this [1], then follow it up with chapter 48 of The Cuckoo's Egg [2]. [1] https://www.bell-labs.com/usr/dmr/www/crypt.html ht

Not a direct answer but maybe read this [1], then follow it up with chapter 48 of The Cuckoo's Egg [2]. [1] https://www.bell-labs.com/usr/dmr/www/crypt.html https://www.bell-labs.com/usr/dmr/www/crypt.html [2] https://en.wikipedia.org/wiki/The_Cuckoo%27s_Egg https://en.wikipedia.org/wiki/The_Cuckoo%27s_Egg