[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Clever delegation ??



-----BEGIN PGP SIGNED MESSAGE-----


>>>>> "Brian" == Brian M Thomas <bt0008@entropy.sbc.com> writes:
    >> Compartmented Mode Workstations (CMW) DAC and MAC access
    >> controls. If one wants a union rather than an intersection,
    >> isn't this where PolicyMaker should come into play? If you want
    >> to authorize RW access to a file, issue two certificates to
    >> PolicyMaker and get the union certificate as a result.

  You get a union operation by presenting two certificates to
the file server. Brian is NOT muddying the water at all, but making it
clearer.

    Brian> accomplishing it.  This follows from the basic intent that
    Brian> no principal can grant permissions which it does not
    Brian> possess.  Doing unions would only be meaningful where the
    Brian> same issuer grants multiple permissions to the same
    Brian> subject, and in this case, again there seems to be no
    Brian> question about how it must be done.

    Brian> Somebody tell me what I've missed...

]    IETF #38. In Memphis, TN. Elvis is in the terminal room!   | one quark   [
]  Michael Richardson, Sandelman Software Works, Ottawa, ON     | two quark   [
] mcr@sandelman.ottawa.on.ca http://www.sandelman.ottawa.on.ca/ | red q blue q[
] panic("Just another NetBSD/notebook using, kernel hacking, security guy");  [



-----BEGIN PGP SIGNATURE-----
Version: 2.6.3ia
Charset: latin1
Comment: Processed by Mailcrypt 3.4, an Emacs/PGP interface

iQB1AwUBM0ksusmxxiPyUBAxAQGpwgL/WlEKx+NhTsYHokLun7F2LweVlE4ov+Jo
Zurags0dgan1esV+SP2TYHSfqW/0JY8bOzFwl2Mxw4efekpBfKLqZBF/G6YXFjfo
eej2ZRA+V//C+B2ziWFNPKaEQwpLIw2K
=abut
-----END PGP SIGNATURE-----

References: