- Original Message -
From: J. Bruce Fields [EMAIL PROTECTED]
Subject: Re: Creativity and security
On Fri, Mar 24, 2006 at 06:47:07PM -, Dave Korn wrote:
IOW, unless we're talking about a corrupt employee with a photographic
memory and telescopic eyes,
Tiny cameras are pretty
On Sat, Mar 25, 2006 at 07:26:51PM -0500, John Denker wrote:
Executive summary: Small samples do not always exhibit average behavior.
That's not the whole problem - you have to be looking at the right
average too.
For the long run encodability of a set of IID symbols produced with
probability
Joseph Ashwood wrote:
The one I find scarier is the US restaurant method of handling cards.
For those of you unfamiliar with it, I hand my card to the
waiter/waitress, the card disappears behind a wall for a couple of
minutes, and my receipt comes back for to sign along with my card. Just
to
ref:
http://www.garlic.com/~lynn/aadsm22.htm#30 Creativity and security
and a more recent skimming news item from this month:
Cloned-card scams socking it to bank accounts
http://www.mysanantonio.com/news/metro/stories/MYSA030506.09B.atm_theft.27d5322.html
the above card mentions pins with
regardingg the XXXing on receipts it turns out that things aren't
as grim as i thought. i anlayzed the checksum algorithm and if
you are missing n digits there are 10^(n-1) clashes.
i verified this with a brute force program.
but in the photograph the card scenario ... if one digit is
blurry
