'''Originally Posted By: kywong''' Vlad Iacob<br>Chol Gurung<br>Kyle Wong<br><br>The model used in most web browsers is the Oligarchy model. it is when there are multiple<br>CAs and you get to choose which ones to accept and which ones not to. <br><br>Weak collision resistance:<br>For a given x & h(x), it is hard to find a y such that h(x) = h(y). This means that it isn't<br>feasible to modify a message without changing the hash function.