New Caesar

Problem

We found a brand new type of encryption, can you break the secret code? (Wrap with picoCTF{}) kjlijdliljhdjdhfkfkhhjkkhhkihlhnhghekfhmhjhkhfhekfkkkjkghghjhlhghmhhhfkikfkfhm new_caesar.py

Solution

1. Let's reverse the new_caesar.py program.

2. See comments in the solution script for a detailed explanation. We reverse the encoding mechanism, then try the possible offsets, and print the possible flags.

Flag

picoCTF{et_tu?_1ac5f3d7920a85610afeb2572831daa8}