#include <stdio.h>
#include <string.h>
#include<stdlib.h>
void init(unsigned char* s, unsigned char* key)
{

int i = 0;
int j = 0;
unsigned char k[256];
unsigned char temp = 0;
for (i = 0; i < 256; i++)
{
s[i] = i;
k[i] = key[i % strlen(key)];
}
for (int l=0; l < 99999; l++) {
j = 0;//注意一下j=0，不然就g了
for (i = 0; i < 256; i++)
{
j = (j + s[i] + k[i]) % 256;
temp = s[i];
s[i] = s[j];
s[j] = temp;
}
}
}
void crypt(unsigned char* s, unsigned char* data, unsigned long len)
{
int i = 0, j = 0, t = 0;
unsigned long k = 0;
unsigned char temp;
for (k = 0; k < len; k++)
{
i = (i + 1) % 256;
j = (j + s[i]) % 256;
temp = s[i];
s[i] = s[j];
s[j] = temp;
t = (s[i] + s[j]) % 256;
data[k] ^= s[t];
}
}
int main()
{
unsigned char s[256] = { 0 };
char key[] = "InfinityLoop";
unsigned char data[] = { 0xA6, 0x3D, 0x54, 0xB0, 0x74, 0xCC, 0xBD, 0x2A,
0x4A, 0xDE,
0xBD, 0x35, 0xD1, 0x1D, 0x80, 0x32, 0x5F, 0x64, 0x2F, 0xC5,
0xDD, 0x11, 0x3E, 0x95, 0xCC, 0x17, 0x13, 0xE5, 0x5E, 0x65,
0xCE, 0x42, 0x9E, 0x47, 0xC8, 0xF3, 0x4D, 0x8A, 0xA6, 0x1F,
0xF0, 0x50, 0x27, 0xA2, 0x28, 0x81, 0x24, 0xA7, 0xB4, 0x90,
0xFC, 0x93, 0x8A, 0xC1, 0x77, 0xD5, 0x16, 0x1E, 0xFD, 0x87,
0xC7, 0xBB, 0xB3, 0x00 };
init(s, key);
crypt(s, data, 63);
for (int i = 0; i < 64; i++) {
printf("%c", data[i]);
}
return 0;
}//flag{i_hope_you_didnt_click_the_button_99999__justRE_in_Static}