On 1/26/2006 at 9:24 PM Richard wrote:
Aren't there chips (i.e. crypto) that are
designed to be destroyed
if they are disassembled? I don't know what they do to the package,
but if I had an IC with an EPROM containing my crypto keys, I'd want
the chip to self-destruct during an attempt to pry open the package
I don't know about grinding, but the guy at MIT who figured out the Xbox
innards did something of the sort (regardless, it's a great read):
http://www.xenatera.com/bunnie/proj/anatak/xboxmod.html
The operative term is "decapsulating"; if you google on it, you can find
some interesting stuff, like:
http://www.smtinfocus.com/technical_papers_list.html
Diamond slitting saw should also turn up some useful information.
Joe