Kernel Land - Pwnium CTF 2014

kernel_land_solver.c

#include<stdio.h>

int main()
{
        char encoded_flag[]={"Itofrjxb2`..c.2.6031]g6b1gg0^)b11cb^^-]z"},ch;
        int tick,x;
        for(tick=1;tick<256;tick++)
        {
                printf("tick:%d\n",tick-1);
                int i = 0;
                for(i=0;i<0x28;i++)
                {
                        x = encoded_flag[i]^tick ;
                        x++;
                        encoded_flag[i]=(char )x;
                }
                puts(encoded_flag);
        }
        return  0;
}