public bool GetXvcKeyByGuid(Guid keyGuid, out byte[] keyOutput)
{
keyOutput = null;
if (XvcInfo.EncryptionKeyIds == null || XvcInfo.EncryptionKeyIds.Length < 1 || XvcInfo.KeyCount == 0)
{
return(false);
}
bool keyFound = false;
foreach (var xvcKey in XvcInfo.EncryptionKeyIds)
{
if (new Guid(xvcKey.KeyId) == keyGuid)
{
keyFound = true;
}
}
if (!keyFound)
{
Console.WriteLine($"Key {keyGuid} is not used by this XVC");
return(false);
}
if (DurangoKeys.IsCikLoaded(keyGuid))
{
keyOutput = DurangoKeys.GetCikByGuid(keyGuid).KeyData;
return(true);
}
Console.WriteLine($"Did not find CIK {keyGuid} loaded in Keystorage");
Console.WriteLine("Checking for XML licenses...");
string licenseFolder = Path.GetDirectoryName(FilePath);
if (Path.GetFileName(licenseFolder) == "MSXC")
{
licenseFolder = Path.GetDirectoryName(licenseFolder);
}
if (String.IsNullOrEmpty(licenseFolder))
{
return(false);
}
licenseFolder = Path.Combine(licenseFolder, "Licenses");
if (!Directory.Exists(licenseFolder))
{
return(false);
}
foreach (string file in Directory.GetFiles(licenseFolder, "*.xml"))
{
var xml = new XmlDocument();
xml.Load(file);
var xmlns = new XmlNamespaceManager(xml.NameTable);
xmlns.AddNamespace("resp", "http://schemas.microsoft.com/xboxlive/security/clas/LicResp/v1");
XmlNode licenseNode = xml.SelectSingleNode("//resp:SignedLicense", xmlns);
if (licenseNode == null)
{
continue;
}
string signedLicense = licenseNode.InnerText;
byte[] signedLicenseBytes = Convert.FromBase64String(signedLicense);
var licenseXml = new XmlDocument();
licenseXml.LoadXml(Encoding.ASCII.GetString(signedLicenseBytes));
var xmlns2 = new XmlNamespaceManager(licenseXml.NameTable);
xmlns2.AddNamespace("resp", "http://schemas.microsoft.com/xboxlive/security/clas/LicResp/v1");
XmlNode keyIdNode = licenseXml.SelectSingleNode("//resp:KeyId", xmlns2);
if (keyIdNode == null)
{
continue;
}
if (keyGuid != new Guid(keyIdNode.InnerText))
{
continue;
}
XmlNode licenseBlockNode = licenseXml.SelectSingleNode("//resp:SPLicenseBlock", xmlns2);
if (licenseBlockNode == null)
{
continue;
}
string licenseBlock = licenseBlockNode.InnerText;
byte[] licenseBlockBytes = Convert.FromBase64String(licenseBlock);
var block = new XvcLicenseBlock(licenseBlockBytes);
var keyIdBlock = block.GetBlockWithId(XvcLicenseBlockId.KeyId);
if (keyIdBlock == null)
{
continue;
}
if (!(new Guid(keyIdBlock.BlockData) == keyGuid))
{
continue;
}
var decryptKeyBlock = block.GetBlockWithId(XvcLicenseBlockId.EncryptedCik);
if (decryptKeyBlock == null)
{
continue;
}
keyOutput = decryptKeyBlock.BlockData;
Console.WriteLine($"Xvd CIK key found in {file}");
// todo: decrypt/deobfuscate the key
return(true);
}
return(false);
}
public string GetXvcKey(int keyIndex, out byte[] keyOutput)
{
keyOutput = null;
if (XvcInfo.EncryptionKeyIds == null ||
XvcInfo.EncryptionKeyIds.Length <= keyIndex ||
XvcInfo.KeyCount == 0 ||
XvcInfo.EncryptionKeyIds[keyIndex].IsKeyNulled)
return null;
var keyGuid = new Guid(XvcInfo.EncryptionKeyIds[keyIndex].KeyId);
if (XvcInfo.IsUsingTestCik && keyGuid == GetTestCikKey())
{
keyOutput = CikKeys[keyGuid];
return "testsigned";
}
if (CikKeys.ContainsKey(keyGuid))
{
keyOutput = CikKeys[keyGuid];
return keyGuid.ToString() + " (from cik_keys.bin)";
}
string licenseFolder = Path.GetDirectoryName(FilePath);
if (Path.GetFileName(licenseFolder) == "MSXC")
licenseFolder = Path.GetDirectoryName(licenseFolder);
if (String.IsNullOrEmpty(licenseFolder))
return null; // fix for weird resharper warning
licenseFolder = Path.Combine(licenseFolder, "Licenses");
if (!Directory.Exists(licenseFolder))
return null;
foreach (string file in Directory.GetFiles(licenseFolder, "*.xml"))
{
var xml = new XmlDocument();
xml.Load(file);
var xmlns = new XmlNamespaceManager(xml.NameTable);
xmlns.AddNamespace("resp", "http://schemas.microsoft.com/xboxlive/security/clas/LicResp/v1");
XmlNode licenseNode = xml.SelectSingleNode("//resp:SignedLicense", xmlns);
if (licenseNode == null)
continue;
string signedLicense = licenseNode.InnerText;
byte[] signedLicenseBytes = Convert.FromBase64String(signedLicense);
var licenseXml = new XmlDocument();
licenseXml.LoadXml(Encoding.ASCII.GetString(signedLicenseBytes));
var xmlns2 = new XmlNamespaceManager(licenseXml.NameTable);
xmlns2.AddNamespace("resp", "http://schemas.microsoft.com/xboxlive/security/clas/LicResp/v1");
XmlNode keyIdNode = licenseXml.SelectSingleNode("//resp:KeyId", xmlns2);
if (keyIdNode == null)
continue;
string keyId = keyIdNode.InnerText;
if (keyId != keyGuid.ToString())
continue;
XmlNode licenseBlockNode = licenseXml.SelectSingleNode("//resp:SPLicenseBlock", xmlns2);
if (licenseBlockNode == null)
continue;
string licenseBlock = licenseBlockNode.InnerText;
byte[] licenseBlockBytes = Convert.FromBase64String(licenseBlock);
var block = new XvcLicenseBlock(licenseBlockBytes);
var keyIdBlock = block.GetBlockWithId(XvcLicenseBlockId.KeyId);
if (keyIdBlock == null)
continue;
if (!keyIdBlock.BlockData.IsEqualTo(XvcInfo.EncryptionKeyIds[keyIndex].KeyId))
continue;
var decryptKeyBlock = block.GetBlockWithId(XvcLicenseBlockId.EncryptedCik);
if (decryptKeyBlock == null)
continue;
keyOutput = decryptKeyBlock.BlockData;
// todo: decrypt/deobfuscate the key
return file;
}
return null;
}
public string GetXvcKey(int keyIndex, out byte[] keyOutput)
{
keyOutput = null;
if (XvcInfo.EncryptionKeyIds == null ||
XvcInfo.EncryptionKeyIds.Length <= keyIndex ||
XvcInfo.KeyCount == 0 ||
XvcInfo.EncryptionKeyIds[keyIndex].IsKeyNulled)
{
return(null);
}
var keyGuid = new Guid(XvcInfo.EncryptionKeyIds[keyIndex].KeyId);
if (XvcInfo.IsUsingTestCik && keyGuid == GetTestCikKey())
{
keyOutput = CikKeys[keyGuid];
return("testsigned");
}
if (CikKeys.ContainsKey(keyGuid))
{
keyOutput = CikKeys[keyGuid];
return(keyGuid.ToString() + " (from cik_keys.bin)");
}
string licenseFolder = Path.GetDirectoryName(FilePath);
if (Path.GetFileName(licenseFolder) == "MSXC")
{
licenseFolder = Path.GetDirectoryName(licenseFolder);
}
if (String.IsNullOrEmpty(licenseFolder))
{
return(null); // fix for weird resharper warning
}
licenseFolder = Path.Combine(licenseFolder, "Licenses");
if (!Directory.Exists(licenseFolder))
{
return(null);
}
foreach (string file in Directory.GetFiles(licenseFolder, "*.xml"))
{
var xml = new XmlDocument();
xml.Load(file);
var xmlns = new XmlNamespaceManager(xml.NameTable);
xmlns.AddNamespace("resp", "http://schemas.microsoft.com/xboxlive/security/clas/LicResp/v1");
XmlNode licenseNode = xml.SelectSingleNode("//resp:SignedLicense", xmlns);
if (licenseNode == null)
{
continue;
}
string signedLicense = licenseNode.InnerText;
byte[] signedLicenseBytes = Convert.FromBase64String(signedLicense);
var licenseXml = new XmlDocument();
licenseXml.LoadXml(Encoding.ASCII.GetString(signedLicenseBytes));
var xmlns2 = new XmlNamespaceManager(licenseXml.NameTable);
xmlns2.AddNamespace("resp", "http://schemas.microsoft.com/xboxlive/security/clas/LicResp/v1");
XmlNode keyIdNode = licenseXml.SelectSingleNode("//resp:KeyId", xmlns2);
if (keyIdNode == null)
{
continue;
}
string keyId = keyIdNode.InnerText;
if (keyId != keyGuid.ToString())
{
continue;
}
XmlNode licenseBlockNode = licenseXml.SelectSingleNode("//resp:SPLicenseBlock", xmlns2);
if (licenseBlockNode == null)
{
continue;
}
string licenseBlock = licenseBlockNode.InnerText;
byte[] licenseBlockBytes = Convert.FromBase64String(licenseBlock);
var block = new XvcLicenseBlock(licenseBlockBytes);
var keyIdBlock = block.GetBlockWithId(XvcLicenseBlockId.KeyId);
if (keyIdBlock == null)
{
continue;
}
if (!keyIdBlock.BlockData.IsEqualTo(XvcInfo.EncryptionKeyIds[keyIndex].KeyId))
{
continue;
}
var decryptKeyBlock = block.GetBlockWithId(XvcLicenseBlockId.EncryptedCik);
if (decryptKeyBlock == null)
{
continue;
}
keyOutput = decryptKeyBlock.BlockData;
// todo: decrypt/deobfuscate the key
return(file);
}
return(null);
}
