Whitfield Diffie and martin Hellman gave their names to what standard?
A.
An encryption scheme that makes pre-shared keys obsolete
B.
An algorithm that is used in IPsec QuickMode and as an additional option in IPsec QuickMode (PFS)
C.
A key exchange protocol for the advanced Encryption Standard
D.
A key agreement/ derivation protocols the constructs secure keys over an insecure channel
I agree with the answer. D