[ASISCTF QUAL 2017] Crows knows

ASIS is my favorite CTF, and my solution is a roller coaster. Crows knows Let’s start with this exciting challenge: [+] Opening connection to 146.185.143.84 on port 13245: Done ************************************************************** | Welcome to the Crow Impossible Task, crow knows the flag!! | | Your mission is to find x, y…

[0CTF] One Time Pad by Z3

This challenge can be solved by two ways, mathematically or using SMT Solver Intially, I want to remind you that there is a blog post written carefully how to solve it in mathematical way. So please read it first. One Time Pad 1 Now let take a look at the…