Archive Show All7 challenges5 contribution1 crypto4 injection1 introduction3 mersenne_twister3 welcome1 zh3r0_ctf24 2021 Jul 25Crypto challenge - Injection Jul 25Crypto challenge - Mersenne seed recovery Jul 25Crypto challenge - Untwist Me Jul 25Crypto challenge - Wiki Mersenne Apr 08Challenges Apr 08Contributions Apr 08Welcome