Unfortunately I had to check it as well, and g seems to be a generating element of a finite cyclic group G https://en.wikipedia.org/wiki/Diffie%E2%80%93Hellman

Unfortunately I had to check it as well, and g seems to be a generating element of a finite cyclic group G https://en.wikipedia.org/wiki/Diffie%E2%80%93Hellman_key_exchange#Generalization_to_finite_cyclic_groups https://en.wikipedia.org/wiki/Diffie%E2%80%93Hellman_key_exc...