I wrote the 128-bit, 512-bit and 1024-bit challenges for the Security Fest CTF, this year’s topic was Swordfish so the challenges follow the idea of the quotes being used in the movie regarding 128-bit, 512-bit and 1024-bit ciphers. Sadly, neither of the challenges were solved despite my best attempts. In this post I’ll explain how […]
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Challenge writer Write Up: Security Fest 2018 CTF challs
Hi! In this post I will note down my procedure for coming up with the challenges for SecurityFest CTF. The idea is explaining my side of the creative process in the hope that it can be useful to other people organizing CTFs. I will finish sharing some personal experience on the other stages of the […]
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