crackmes.one

thesex's SuperIncreasing KeyGenMe

Author:
thesex

Language:
C/C++

Upload:
12:00 PM 04/05/2019

Level:
4

Platform
Windows

Description

A little math keygenme for fun and lovers. Nothing wild. Just superincreasing sequences and the subset-sum-problem. No anti-anti-debugging or messing around with the executable structure needed. Just plain keygenning fun.

Xor0 on 11:31 PM 05/08/2019: Nice one! Is the pRNG you used a standard function? I found reference to it for some old ps1 code, haha. Anyway, some nice binary math. Working out a keygen now and will get a solution together soon.

x0r19x91 on 1:45 PM 05/14/2019: This was an easy challenge I guess.