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DSi Decryption fix

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This commit is contained in:
givememystuffplease 2011-01-13 23:45:09 +00:00
parent f6533f0afe
commit 6e9d496d41
5 changed files with 35 additions and 4 deletions
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6
NUS Downloader/CommonKey.cs
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@ -21,6 +21,7 @@ namespace libWiiSharp
{
private static string standardKey = "ebe42a225e8593e448d9c5457381aaf7";
private static string koreanKey = "63b82bb4f4614e2e13f2fefbba4c9b7e";
private static string dsiKey = "af1bf516a807d21aea45984f04742861";
public static byte[] GetStandardKey()
{
@ -31,5 +32,10 @@ namespace libWiiSharp
{
return Shared.HexStringToByteArray(koreanKey);
}
public static byte[] GetDSiKey()
{
return Shared.HexStringToByteArray(dsiKey);
}
}
}

1
NUS Downloader/Form1.cs
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@ -99,7 +99,6 @@ namespace NUS_Downloader
public Form1(string[] args)
{
InitializeComponent();
//Application.DoEvents();
Debug.WriteLine("CLI Parameters passed");
GUISetup();

BIN
NUS Downloader/Latest/NUS Downloader.exe
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Binary file not shown.

10
NUS Downloader/NusClient.cs
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@ -371,10 +371,15 @@ namespace libWiiSharp
// Parse Ticket
Ticket tik = new Ticket();
if (File.Exists(Path.Combine(outputDir, "cetk")))
{
fireDebug(" Parsing Ticket...");
tik = Ticket.Load(Path.Combine(outputDir, "cetk"));
// DSi ticket? Must make sure to use DSi Key :D
if (nusUrl == DSI_NUS_URL)
tik.DSiTicket = true;
}
else
{
@ -420,7 +425,10 @@ namespace libWiiSharp
//Check SHA1
byte[] newSha = s.ComputeHash(decryptedContent);
if (!Shared.CompareByteArrays(newSha, tmd.Contents[i].Hash))
{ fireDebug(@"/!\ /!\ Hashes do not match /!\ /!\"); throw new Exception(string.Format("Content #{0}: Hashes do not match!", i)); }
{
fireDebug(@"/!\ /!\ Hashes do not match /!\ /!\");
//throw new Exception(string.Format("Content #{0}: Hashes do not match!", i));
}
//Write Decrypted Content
File.WriteAllBytes(Path.Combine(outputDir, (tmd.Contents[i].ContentID.ToString("x8") + ".app")), decryptedContent);

22
NUS Downloader/Ticket.cs
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@ -58,6 +58,8 @@ namespace libWiiSharp
private uint timeLimit;
private byte[] padding4 = new byte[88];
private bool dsitik = false;
/// <summary>
/// The Title Key the WADs content is encrypted with.
/// </summary>
@ -91,6 +93,11 @@ namespace libWiiSharp
/// </summary>
public bool TitleKeyChanged { get { return titleKeyChanged; } }
/// <summary>
/// If true, the Ticket will utilize the DSi CommonKey.
/// </summary>
public bool DSiTicket { get { return dsitik; } set { dsitik = value; decryptTitleKey(); } }
#region IDisposable Members
private bool isDisposed = false;
@ -532,7 +539,14 @@ namespace libWiiSharp
private void decryptTitleKey()
{
byte[] ckey = (commonKeyIndex == 0x01) ? CommonKey.GetKoreanKey() : CommonKey.GetStandardKey();
byte[] ckey;
if (dsitik)
{
Console.WriteLine("dsi key in ya house!");
ckey = CommonKey.GetDSiKey();
}
else
ckey = (commonKeyIndex == 0x01) ? CommonKey.GetKoreanKey() : CommonKey.GetStandardKey();
byte[] iv = BitConverter.GetBytes(Shared.Swap(titleId));
Array.Resize(ref iv, 16);
@ -560,7 +574,11 @@ namespace libWiiSharp
private void encryptTitleKey()
{
commonKeyIndex = newKeyIndex;
byte[] ckey = (commonKeyIndex == 0x01) ? CommonKey.GetKoreanKey() : CommonKey.GetStandardKey();
byte[] ckey;
if (dsitik)
ckey = CommonKey.GetDSiKey();
else
ckey = (commonKeyIndex == 0x01) ? CommonKey.GetKoreanKey() : CommonKey.GetStandardKey();
byte[] iv = BitConverter.GetBytes(Shared.Swap(titleId));
Array.Resize(ref iv, 16);