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Date:      Tue, 14 Oct 1997 08:29:52 -0700 (PDT)
From:      Brian Beattie <beattie@stt3.com>
To:        Christopher Petrilli <petrilli@amber.org>
Cc:        Brian Mitchell <brian@firehouse.net>, Colman Reilly <careilly@monoid.cs.tcd.ie>, Douglas Carmichael <dcarmich@mcs.com>, freebsd-hackers@FreeBSD.ORG, freebsd-security@FreeBSD.ORG
Subject:   Re: C2 Trusted FreeBSD? 
Message-ID:  <Pine.GSO.3.95.971014082804.1809D-100000@durin>
In-Reply-To: <199710132110.RAA29578@dworkin.amber.org>

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On Mon, 13 Oct 1997, Christopher Petrilli wrote:

> 
> THat having been said, there is one other requirement that would need to 
> be addressed:
> 
>      * Object Reuse (2.2.1.2)
> 
> THis is defined as follows:
> 
> "All authorizations to the information contained iwthin a storage object 
> shall be revoked prior to initial assignment, allocation or reallocation 
> to a subject from the TCB's pool of unused storage objects. No 
> information, including encrypted representations of information, produced 
> by a prior subject's actions is to be available to any subject that 
> obtains access to an object that has been released back to the system."
> 
> Basically, we need to purge all memor when it is allocated, or 
> deallocated.
> 

Nope, only when it is allocated, and this is allready done.  The reason is
that until it is allocated, no "subject" has access to the "object". 





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