public static byte[] DecryptKeyArea(BinaryReader br, uint kaekInd, uint mkInd)
{
if (INIFile.Read("keys", "MK" + mkInd.ToString("D2")) == string.Empty)
{
MessageBox.Show(string.Format("Missing the required Masterkey {0} for this title!", mkInd.ToString("D2")));
return(null);
}
byte[] res = null;
try {
byte[] areakey = { 0 };
byte[] kaekSrc = { 0 };
switch (kaekInd)
{
default:
case 0: kaekSrc = Utils.StringToByteArray(INIFile.Read("keys", "akaeksrc")); break;
case 1: kaekSrc = Utils.StringToByteArray(INIFile.Read("keys", "okaeksrc")); break;
case 2: kaekSrc = Utils.StringToByteArray(INIFile.Read("keys", "skaeksrc")); break;
}
generate_kek(
areakey,
kaekSrc,
Utils.StringToByteArray(INIFile.Read("keys", "MK" + mkInd.ToString("D2"))),
Utils.StringToByteArray(INIFile.Read("keys", "kekseed")),
Utils.StringToByteArray(INIFile.Read("keys", "keyseed"))
);
res = new byte[0x40];
decryptKeyArea(res, br.ReadBytes(0x40), areakey);
} catch (Exception e) {
Console.WriteLine(e.StackTrace);
}
return(res);
}
public Form1()
{
//Initialize stuff
InitializeComponent();
//Check for pre-req. files
if (!File.Exists(Directory.GetCurrentDirectory() + "/config.ini"))
{
Settings.Create();
Keys.Create();
}
if (!File.Exists(Directory.GetCurrentDirectory() + @"\NXCrypt.dll"))
{
MessageBox.Show("Missing NXCrypt.dll dependency in root dir.");
Environment.Exit(0);
}
string cert = INIFile.Read("settings", "cert");
if (!File.Exists(cert) || !Regex.IsMatch(cert, @"\.pfx"))
{
MessageBox.Show("Proper cert missing from settings!");
}
}
public Keys()
{
InitializeComponent();
mkTxts = new List <TextBox>();
for (int i = 0; i < MAXKEYS; i++)
{
TextBox tb = new TextBox();
tb.Location = new System.Drawing.Point(56, 32 + (i * 26));
tb.Size = new System.Drawing.Size(225, 20);
tb.Text = INIFile.Read("keys", "MK" + i.ToString("D2"));
Label lbl = new Label();
lbl.Location = new System.Drawing.Point(6, 35 + (i * 26));
lbl.Size = new System.Drawing.Size(44, 13);
lbl.Text = string.Format("MK_{0}:", i.ToString("D2"));
groupBox1.Controls.Add(tb);
groupBox1.Controls.Add(lbl);
mkTxts.Add(tb);
}
keySrcTxt.Text = INIFile.Read("keys", "keyseed");
kekSrcTxt.Text = INIFile.Read("keys", "kekseed");
akaekTxt.Text = INIFile.Read("keys", "akaeksrc");
okaekTxt.Text = INIFile.Read("keys", "okaeksrc");
skaekTxt.Text = INIFile.Read("keys", "skaeksrc");
headKeyText.Text = INIFile.Read("keys", "headkey");
}
public Settings()
{
InitializeComponent();
didText.Text = INIFile.Read("settings", "did");
firmText.Text = INIFile.Read("settings", "firmver");
eidText.Text = INIFile.Read("settings", "eid");
certText.Text = INIFile.Read("settings", "cert");
}
public static BinaryReader DecryptHeader(byte[] file)
{
byte[] res = null;
try {
byte[] headerKey = Utils.StringToByteArray(INIFile.Read("keys", "headkey"));
res = new byte[file.Length];
decryptHeader(res, file, file.Length, headerKey);
} catch (Exception e) {
Console.WriteLine(e.StackTrace);
}
return(new BinaryReader(new MemoryStream(res)));
}
public static WebResponse Request(string method, string url)
{
X509Certificate2 cert = new X509Certificate2(INIFile.Read("settings", "cert"), "switch");
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.ClientCertificates.Add(cert);
request.UserAgent = string.Format("NintendoSDK Firmware/{0} (platform:NX; did:{1}; eid:{2})", INIFile.Read("settings", "firmver"), INIFile.Read("settings", "did"), INIFile.Read("settings", "eid"));
request.Method = method;
ServicePointManager.ServerCertificateValidationCallback = ((sender, certificate, chain, sslPolicyErrors) => true);
if (((HttpWebResponse)request.GetResponse()).StatusCode != HttpStatusCode.OK)
{
System.Console.WriteLine("http error"); return(null);
}
return(request.GetResponse());
}
private void dlBut_Click(object sender, EventArgs e)
{
StatusWrite("Starting...");
//Sanitize GUI inputs
outText.Text = "";
string version = "";
if (!Utils.IsValidTid(tidText.Text))
{
WriteLine("Invalid TID!");
return;
}
if (!Utils.IsValidVersion(verText.Text))
{
WriteLine("Invalid version!");
return;
}
//Check if appropriate settings are set
if (
INIFile.Read("keys", "kekseed") == string.Empty ||
INIFile.Read("keys", "keyseed") == string.Empty ||
INIFile.Read("keys", "akaeksrc") == string.Empty ||
INIFile.Read("keys", "okaeksrc") == string.Empty ||
INIFile.Read("keys", "skaeksrc") == string.Empty ||
INIFile.Read("keys", "headkey") == string.Empty
)
{
MessageBox.Show("Please fill in all seeds!");
return;
}
//if version string was in decimal format, convert
if (Regex.Match(verText.Text, @"[0-9]\.[0-9]\.[0-9]\.[0-9]*").Success)
{
var v = verText.Text.Split('.');
version = ((Convert.ToUInt32(v[0]) << 26) | (Convert.ToUInt32(v[1]) << 20) | (Convert.ToUInt32(v[2]) << 16) | Convert.ToUInt32(v[3])).ToString();
}
else
{
version = verText.Text;
}
new Thread(new ThreadStart(() => { downloadContent(tidText.Text, version); })).Start();
}
public static string GetCdnUrl()
{
return(string.Format(Properties.Resources.CDNUrl, INIFile.Read("settings", "eid")));
}