#include <stdio.h>
#include <string.h>

int main (int argc, char **argv) {
	char *key = "GpuInfo";
	int keylen = strlen(key);
	int c, m;
	
	FILE *fin = fopen("GpuInfo.bin", "r");
	FILE *fout = fopen("GpuInfo.txt", "w");
	
	if (!fin || !fout) return 1;
	
	for (int i = 0; (c = fgetc(fin)) != EOF; i++) {
		m = key[i % keylen] + i;
		fputc(c ^ m, fout);
	}
	fclose(fin);
	fclose(fout);
	
	return 0;
}