On Mon, Oct 14, 2002 at 08:11:20PM +0100, Ben Laurie wrote:

>> Another theory is that any words in the array between 'top' and 'max'
>> are supposed to be zero -- there's much code with the sole purpose to
>> achieve this.  The problem is that this does not *always* happen
>> (otherwise this would not haven been a bug, and I believe there are
>> other cases); so maybe we can say that these words are zero for
>> aesthetical reasons, but technically are 'don't care'.

> Hmmm ... wouldn't them being non-zero imply information leak?

Well, a risk of information leak in the presence of such bugs (if the
code is correct, then the 'don't care' values are not visible).


-- 
Bodo M�ller <[EMAIL PROTECTED]>
PGP http://www.informatik.tu-darmstadt.de/TI/Mitarbeiter/moeller/0x36d2c658.html
* TU Darmstadt, Theoretische Informatik, Alexanderstr. 10, D-64283 Darmstadt
* Tel. +49-6151-16-6628, Fax +49-6151-16-6036
______________________________________________________________________
OpenSSL Project                                 http://www.openssl.org
Development Mailing List                       [EMAIL PROTECTED]
Automated List Manager                           [EMAIL PROTECTED]

Reply via email to