Function proj_crypto::asymmetric::key_exchange::key_exchange

pub fn key_exchange(pub_key: &PublicKey,
                    sec_key: &SecretKey,
                    other_pub_key: &PublicKey,
                    is_client: bool)
                    -> Digest

Function to perform key exchange.

The second public key is for key derivation from the X-co-ordinate, which alone does not possess enough entropy. See https://download.libsodium.org/doc/advanced/scalar_multiplication.html