On Sun, 16 Aug 2009, Oliver Pinter wrote:
FreeBSD manages its process files more cautiously than Linux12 : it puts all
register values into the file /proc/pid/regs that can only be read by the
owner of a process, which blocks the information used by
This is inaccurate, but largely in an
Thanks for the comments.
Beyond this, and assuming the correct implementation of the above,
we're into the grounds of classic trusted OS covert channel analysis,
against which no COTS UNIX OSes I'm aware of are hardened. This isn't to
dismiss these attacks as purely hypothetical -- we've
On 16 Aug 2009, at 22:09, David Wagner wrote:
Beyond this, and assuming the correct implementation of the above,
we're into the grounds of classic trusted OS covert channel analysis,
against which no COTS UNIX OSes I'm aware of are hardened. This
isn't to
dismiss these attacks as purely
I still think my definitions of covert channel vs side channel
better reflect accepted usage these days, but whatever. I don't
have any great desire to debate the definitions. That doesn't seem
like a good use of everyone's time.
I was trying to define some shorthand to more concisely make my
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