public static MixCastData.SecureData ReadSecureData()
{
RegistryKey reg = Registry.CurrentUser.CreateSubKey(MixCastPath.REGISTRY_PATH);
Assert.IsNotNull(reg);
MixCastData.SecureData data = ReadSecureSettingsFromRegistry(reg);
if (data == null)
{
data = new MixCastData.SecureData();
}
else
{
MachineId thisComputerId = new MachineId();
if (!IsSameComputer(data, thisComputerId))
{
Debug.LogError("machine identifier mismatch detected");
if (data != null)
{
data.licenseType = MixCastData.LicenseType.Free;
}
}
}
return(data);
}
private static bool IsSameComputer(MixCastData.SecureData data, MachineId machineId)
{
if (machineId == null || data == null || string.IsNullOrEmpty(data.machineId))
{
return(false);
}
return(MixCastCryptoUtils.BytesEqual(
machineId.ComputeHash(),
Convert.FromBase64String(data.machineId)));
}
