internal static extern SecStatusCode CompleteAuthToken(SecHandle phContext, SecBufferDesc pToken );
internal static extern SecStatusCode DecryptMessage( [In] SecHandle phContext, SecBufferDesc pMessage, int MessageSeqNo, out SecurityQualityOfProtectionFlags pfQOP );
internal static extern SecStatusCode VerifySignature( [In] SecHandle phContext, SecBufferDesc pMessage, int MessageSeqNo, out int pfQOP );
internal static extern SecStatusCode MakeSignature( [In] SecHandle phContext, int fQOP, SecBufferDesc pMessage, int MessageSeqNo );
internal static extern SecStatusCode DecryptMessage( [In] SecHandle phContext, SecBufferDesc pMessage, int MessageSeqNo, out SecQopFlags pfQOP );
internal static extern SecStatusCode EncryptMessage( [In] SecHandle phContext, SecQopFlags fQOP, SecBufferDesc pMessage, int MessageSeqNo );