Re: Covert channel

Article View: comp.security.misc

Article #262

Back to comp.security.misc Previous Next

#262

From: Alan J Rosenthal
Date: Thu, 13 Aug 1992 14:09

9 lines
917 bytes

ho@cs.arizona.edu (Hilarie Orman) writes:
>I've always relied on the notion of information flow - if the writer
>of the transmitter program did not specify the information as an
>output, and if a receiver program can detect the information, then you
>have a covert channel,

But the usual covert channel demonstration involves having a transmitter
program which was written just for the purpose of transmitting the data.
This is surely output, even if it's not output to a file.

Technical Details

Message-ID: <1992Aug13.100936.16315@jarvis.csri.toronto.edu>

Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!rpi!utcsri!dgp.toronto.edu!flaps

References:

<71269183717599@juju.mcs.anl.gov> <61350002@otter.hpl.hp.com> <1992Aug12.204649.4110@osf.org> <20477@optima.cs.arizona.edu>

Show Full Headers

Complete Article Headers

Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!rpi!utcsri!dgp.toronto.edu!flaps
Newsgroups: comp.security.misc
From: flaps@dgp.toronto.edu (Alan J Rosenthal)
Subject: Re: Covert channel
Message-ID: <1992Aug13.100936.16315@jarvis.csri.toronto.edu>
References: <71269183717599@juju.mcs.anl.gov> <61350002@otter.hpl.hp.com> <1992Aug12.204649.4110@osf.org> <20477@optima.cs.arizona.edu>
Date: 13 Aug 92 14:09:36 GMT
Lines: 9

Reply to Parent Message