n the channel).</p>
<p>Signature policies also allow you to include <cite>principals</cite> which are simply a way
of matching an identity to a role. Principals are just like user IDs or group
IDs, but they are more versatile because they can include a wide range of
properties of an actor’s identity, such as the actor’s organization,
organizational unit, role or even the actor’s specific identity. When we talk
about principals, they are the properties which determine their permissions.
Principals are 