Author:
pufferisadev

Language:
C/C++

Upload:
7:21 AM 08/01/2023

Download

Platform
Mac OS X

Difficulty:
2.7

Quality:
4.0

Arch:
x86-64

Description

The goal is to either make any key correct or just entirely bypass the key checker

• Comments
• Solutions

lalalaland on 12:13 PM 08/03/2023: Cool challenge.

lalalaland on 8:04 PM 08/09/2023: It uses systime as seed value for the random function (hint). Make a python script and pipe it!

cnathansmith on 9:24 PM 08/16/2023: It won't allow uploading a second solution, but here is a follow-up implementing the time-based attack https://github.com/charlesnathansmith/crackmes/blob/main/lisence_checker/timing.md

Nox on 7:14 AM 08/25/2024: It uses system time as a seed for the random function. The goal was either to make any key correct or bypass the checker. I bypassed the checker and made it always call the success() method. Check the solutions to see me simple solution.

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