title: What is the probability of md5 collision if I pass in 2^32 sets of string?
body: <p>What is the probability of md5 collision if I pass in 2^32 sets of string?</p>
  
  <p>Can I say the answer is just 2^32/2^128 = 1/1.2621774e-29 as the length of bit of md5 hash is 128?</p>