network security question 2

network, wmy s " more secure than a password? ted with E Isthe Lamport hash protocol vulnerable to dictionary atack by an eavesdropper? Cas some- one impersonating the server do a dictionary attack? rectory adable control In $122 Lamport's Hash we mentioned the notion of using only 64 bits of the hash. At each stage, 128 bits are computed, 64 bits are thrown away, and the hash of the retained 64 bits is