Which two statements about the Diffie-Hellman (DH) key exchange process are correct? （）(Choose two.)

• A、In the DH key exchange process, the session key is never passed across the network.
• B、In the DH key exchange process, the public and private keys are mathematically related using the DH algorithm.
• C、In the DH key exchange process, the session key is passed across the network to the peer for confirmation.
• D、In the DH key exchange process, the public and private keys are not mathematically related, ensuring higher security