AuthenticationType

override? string System.Security.Principal.WindowsIdentity.AuthenticationType

getsealed

Implements System.Security.Principal.IIdentity.

Definition at line 59 of file WindowsIdentity.cs.

    {
        get
        {
            if (_safeTokenHandle.IsInvalid)
            {
                return string.Empty;
            }
            if (_authType == null)
            {
                global::Interop.LUID LogonId = GetLogonAuthId(_safeTokenHandle);
                if (LogonId.LowPart == 998)
                {
                    return string.Empty;
                }
                SafeLsaReturnBufferHandle ppLogonSessionData = null;
                try
                {
                    int num = global::Interop.SspiCli.LsaGetLogonSessionData(ref LogonId, out ppLogonSessionData);
                    if (num < 0)
                    {
                        throw GetExceptionFromNtStatus(num);
                    }
                    ppLogonSessionData.Initialize((uint)Marshal.SizeOf<global::Interop.SECURITY_LOGON_SESSION_DATA>());
                    return Marshal.PtrToStringUni(ppLogonSessionData.Read<global::Interop.SECURITY_LOGON_SESSION_DATA>(0uL).AuthenticationPackage.Buffer);
                }
                finally
                {
                    ppLogonSessionData?.Dispose();
                }
            }
            return _authType;
        }
    }