Sugoi Flag Checker

A super flag checker that uses a super cryptographic algorithm.

Beginner Hint 1 (AI-translated)

• chal is an ELF executable. First, try decompiling it with a reverse engineering tool such as IDA Free, Ghidra, or Binary Ninja.
• Also, this challenge is Hard, so if you are a beginner, we recommend using AI as needed.
• For example, you can drag and drop the binary into ChatGPT and ask it to help with the analysis.

Beginner Hint 2: Spoiler Alert! (AI-translated)

• Actually, you can solve this challenge without understanding most of the cryptographic processing.
• Focus on what strings are being compared by the strcmp function.