Returns the delegate <code>Authenticator</code> instance that this SecurityManager uses to perform all
authentication operations. Unless overridden by the
{@link #setAuthenticator(hunt.shiro.authc.Authenticator) setAuthenticator}, the default instance is a
{@link hunt.shiro.authc.pam.ModularRealmAuthenticator ModularRealmAuthenticator}.
@return the delegate <code>Authenticator</code> instance that this SecurityManager uses to perform all
authentication operations.
Returns the delegate <code>Authenticator</code> instance that this SecurityManager uses to perform all authentication operations. Unless overridden by the {@link #setAuthenticator(hunt.shiro.authc.Authenticator) setAuthenticator}, the default instance is a {@link hunt.shiro.authc.pam.ModularRealmAuthenticator ModularRealmAuthenticator}.
@return the delegate <code>Authenticator</code> instance that this SecurityManager uses to perform all authentication operations.