*countable infinities only

[Matthew Garrett]

On Thu, May 31, 2012 at 01:07:13PM -0400, Gerry Reno wrote:
> On 05/31/2012 01:03 PM, Matthew Garrett wrote:
> > How does the Microsoft OS know that it's being invoked in an 
> > unauthorised manner?
> >
> 
> Could be any of a thousand ways to implement this.
> 
> Maybe it checks the BIOS to determine whether some SecureBoot flag is set.

You've just run untrusted code, which means it can modify you such that 
your checking code always returns true. Any other ideas?

-- 
Matthew Garrett | mjg59 at srcf.ucam.org