This class extends
and represents a Windows NT user's domain SID.
An NT user only has a domain SID if in fact they are logged
into an NT domain. If the user is logged into a workgroup or
just a standalone configuration, they will NOT have a domain SID.
Principals such as this
may be associated with a particular
to augment that
Subject with an additional
identity. Refer to the
Subject class for more information
on how to achieve this. Authorization decisions can then be based upon
the Principals associated with a