Yep, that's the one. It really opened my eyes. CIAO - Martin. On Wed, 17 Dec 1997 03:27:27 -0600, Dave Mullenix wrote: >Martin R. Green writes: > >> There are some very sophisticated >techniques that are "very" destructive to the device under attack. I >used to have a link to a site that described in detail some of the >methods these "service" companies use, but I seem to have lost it. >Maybe someone else out there will know the one I am talking about. > >You're probably thinking of: > >http://www.cl.cam.ac.uk/users/rja14/tamper.html > >which has an excellent article on hacking microprocessor security. I just >tried it and it's still there. They also list this FTP site for a >postscript file, but I haven't tried it: > >ftp.cl.cam.ac.uk/users/rja14/tamper.ps.gz > >Dave, N9LTD Martin R. Green elimar@NOSPAMbigfoot.com To reply, remove the NOSPAM from the return address. Stamp out SPAM everywhere!!!