void addcipher(){
	unsigned int buffer;
	unsigned int key = 0;
	FILE *input = fopen("encrypted_payload.bin", "rb");
	FILE *output =  fopen("decrypted_payload.bin", "wb");
	fseek(input, 0, SEEK_SET);
	fseek(output, 0, SEEK_SET);
	for(int i = 0; i < 0x1000; i++)
	{
		key += 0xD5828281;
		fread(&buffer, sizeof(int), 1, input);
		buffer += key;
		fwrite(&buffer, sizeof(int), 1, output);
	}
	fclose(input);
    fclose(output);
}