Which of the following actions do NOT take place in IKE Phase 1?

Which of the following actions do NOT take place in IKE Phase 1?

A.
Each side generates a session key from its private key and peer’s public key

B.
Peers agree on integrity method

C.
Diffie-Hillman key is combined with the key material to produce the symmetrical IPsec key.

D.
Peers agree on encryption method