The crypto challenges in DownUnderCTF are very intriguing. Unfortunately I have very limited time during the contest and could only solve apbq rsa ii (26 solves), hhhhh (14 solves) and handshake (4 solves). I will be covering the latter two challenges in this writeup. hhhhh Challenge Summary The code given in this challenge is pretty short: #!/usr/bin/env python3 from os import getenv as hhhhhhh from hashlib import md5 as hhhhh def hhhhhh(hhh): h = hhhhh() hh = bytes([0] * 16) for hhhh in hhh...
