public static void InitWarden()
{
MaievData m = new(Realmserver.SS_Hash);
var seedOut = m.GetBytes(16);
var seedIn = m.GetBytes(16);
Maiev.KeyOut = RC4.Init(seedOut);
Maiev.KeyIn = RC4.Init(seedIn);
}
public SimpleMacEncryptionSend()
: base()
{
MetaData.Name = "Simple Mac Encryption";
MetaData.Version = "0.1.0.0";
MetaData.HelpString = "none";
MetaData.Author = "Brian W. (schizo)";
MetaData.Contact = "*****@*****.**";
MetaData.Description = "";
key = new SHA256Managed().ComputeHash(ASCIIEncoding.ASCII.GetBytes("Dear truck, CODE SOMETHING"));
RC4 r = new RC4();
r.Init(key);
key = r.GetKeyState();
}
public SimpleMacEncryptionSend() : base()
{
MetaData.Name = "Simple Mac Encryption";
MetaData.Version = "0.1.0.0";
MetaData.HelpString = "none";
MetaData.Author = "Brian W. (schizo)";
MetaData.Contact = "*****@*****.**";
MetaData.Description = "";
key = new SHA256Managed().ComputeHash(ASCIIEncoding.ASCII.GetBytes("Dear truck, CODE SOMETHING"));
RC4 r = new RC4();
r.Init(key);
key = r.GetKeyState();
}
public void MaievInit(ref WS_PlayerData.CharacterObject objCharacter)
{
byte[] i = WorldServiceLocator._WorldServer.ClsWorldServer.Cluster.ClientGetCryptKey(objCharacter.client.Index);
MaievData j = new(i);
byte[] seedOut = j.GetBytes(16);
byte[] seedIn = j.GetBytes(16);
objCharacter.WardenData.KeyOut = RC4.Init(seedOut);
objCharacter.WardenData.KeyIn = RC4.Init(seedIn);
objCharacter.WardenData.Ready = true;
objCharacter.WardenData.Scan = new WS_Warden.WardenScan(ref objCharacter);
objCharacter.WardenData.xorByte = 0;
objCharacter.WardenData.K = i;
WorldServiceLocator._Functions.RAND_bytes(ref objCharacter.WardenData.Seed, 16);
MaievSendModule(ref objCharacter);
}
public bool LoadModule(string Name, ref byte[] Data, byte[] Key)
{
Key = RC4.Init(Key);
RC4.Crypt(ref Data, Key);
var UncompressedLen = BitConverter.ToInt32(Data, 0);
if (UncompressedLen < 0)
{
Console.WriteLine("[WARDEN] Failed to decrypt {0}, incorrect length.", Name);
return(false);
}
var CompressedData = new byte[(Data.Length - 0x108)];
Array.Copy(Data, 4, CompressedData, 0, CompressedData.Length);
var dataPos = 4 + CompressedData.Length;
var Sign = Conversions.ToString((char)Data[dataPos + 3]) + (char)Data[dataPos + 2] + (char)Data[dataPos + 1] + (char)Data[dataPos];
if (Sign != "SIGN")
{
Console.WriteLine("[WARDEN] Failed to decrypt {0}, sign missing.", Name);
return(false);
}
dataPos += 4;
var Signature = new byte[256];
Array.Copy(Data, dataPos, Signature, 0, Signature.Length);
// Check signature
if (CheckSignature(Signature, Data, Data.Length - 0x104) == false)
{
Console.WriteLine("[WARDEN] Signature fail on Warden Module.");
return(false);
}
var DecompressedData = new ZipService().DeCompress(CompressedData);
MemoryStream ms = new(DecompressedData);
BinaryReader br = new(ms);
ModuleData = PrepairModule(ref br);
ms.Close();
ms.Dispose();
br = null;
Console.WriteLine("[WARDEN] Successfully prepaired Warden Module.");
return(InitModule(ref ModuleData));
}
public Eeprom(string file)
{
Data = File.ReadAllBytes(file);
if (Data.Length != Size)
{
throw new InvalidDataException("EEPROM must be 256 bytes.");
}
Stream = new MemoryStream(Data);
Reader = new BinaryReader(Stream);
Writer = new BinaryWriter(Stream);
HmacSha1 sha = new HmacSha1();
RC4 rc4 = new RC4();
EepromVersion version = 0;
// loop through each version attempting to decrypt the security data
while (version <= EepromVersion.RetailLast)
{
byte[] origHash = Data.Subset(0, 20);
// decrypt according to the specified version
rc4.Init(sha.Compute(version, origHash));
byte[] decrypted = Data.Subset(0x14, 0x1C);
rc4.Crypt(decrypted, 0, decrypted.Length);
// if decrypted data hash matches the original then it's valid and the specific version is now known
if (origHash.IsEqual(sha.Compute(version, decrypted)))
{
// update with the decrypted data
Stream.Position = 0x14;
Writer.Write(decrypted);
// set the detected version
Version = version;
break;
}
version++;
}
}
/// <summary>
/// Saves the eeprom contents to file.
/// If the version is unknown the security section will not be overwritten.
/// </summary>
/// <param name="file"></param>
public void Save(string file)
{
UpdateChecksums();
// skip writing security section if version is unknown
if (Version == EepromVersion.Unknown)
{
using (FileStream fs = new FileStream(file, FileMode.Open, FileAccess.Write, FileShare.None))
{
fs.Position = 0x30;
fs.Write(Data, 0x30, Size - 0x30);
}
}
else
{
// copy data to a separate buffer
byte[] eepromCopy = new byte[Size];
Data.CopyTo(eepromCopy, 0);
// update security section of copy
if (Version != EepromVersion.Unknown)
{
HmacSha1 sha = new HmacSha1();
RC4 rc4 = new RC4();
// hash decrypted confounder/hddkey/region
byte[] hash = sha.Compute(Version, eepromCopy.Subset(0x14, 0x1C));
hash.CopyTo(eepromCopy, 0);
// re-encrypt data
rc4.Init(sha.Compute(Version, hash));
rc4.Crypt(eepromCopy, 20, 28);
}
File.WriteAllBytes(file, eepromCopy);
}
}
