Re: [cryptography] Your GPU's ???Fingerprint??? Could Lead to New Security Methods

2012-10-30 Thread Jonas Wielicki
On 30.10.2012 20:00, Natanael wrote: > *Rootkits*. Just replace the firmware. Good point. Have not heard about firmware-updatable GPUs yet though, but I suspect that it's just under my radar. > Den 30 okt 2012 19:13 skrev "Jonas Wielicki" : > >> On 30.10.2012 14:30, Natanael wrote: >>> Yeah, thi

Re: [cryptography] Your GPU's ???Fingerprint??? Could Lead to New Security Methods

2012-10-30 Thread Natanael
*Rootkits*. Just replace the firmware. Den 30 okt 2012 19:13 skrev "Jonas Wielicki" : > On 30.10.2012 14:30, Natanael wrote: > > Yeah, this looks like TPM with software protection instead of hardware > > protection. > > > > Rootkits can screw it up. > > I guess that is why the researchers suggeste

Re: [cryptography] Your GPU's ???Fingerprint??? Could Lead to New Security Methods

2012-10-30 Thread Jonas Wielicki
On 30.10.2012 14:30, Natanael wrote: > Yeah, this looks like TPM with software protection instead of hardware > protection. > > Rootkits can screw it up. I guess that is why the researchers suggested an on-GPU challenge-response protocol implementation which would not hand out the initial SRAM st

Re: [cryptography] Your GPU's “Fingerprint” Could Lead to New Security Methods

2012-10-30 Thread Beryl Lusen
On Tue, Oct 30, 2012 at 10:08:06AM +0100, Eugen Leitl wrote: > > In the online world, a World of Warcraft account can be worth serious money. > With such an incentive, malware is set to steal your WoW login and password, > should you become infected. To protect an account, WoW users have the optio

Re: [cryptography] Your GPU's ???Fingerprint??? Could Lead to New Security Methods

2012-10-30 Thread Natanael
Yeah, this looks like TPM with software protection instead of hardware protection. Rootkits can screw it up. Den 30 okt 2012 14:27 skrev "Solar Designer" : > This is very curious, but ... > > On Tue, Oct 30, 2012 at 10:08:06AM +0100, Eugen Leitl wrote: > > Cloning the actual SRAM state in a GPU i

Re: [cryptography] Your GPU's ???Fingerprint??? Could Lead to New Security Methods

2012-10-30 Thread Solar Designer
This is very curious, but ... On Tue, Oct 30, 2012 at 10:08:06AM +0100, Eugen Leitl wrote: > Cloning the actual SRAM state in a GPU is not possible, said Dr. Lange. "What > we've done so far in our research is reading out this SRAM state. We can of > course copy this readout. What we're aiming for

[cryptography] Your GPU's “Fingerprint” Could Lead to New Security Methods

2012-10-30 Thread Eugen Leitl
http://h30565.www3.hp.com/t5/Feature-Articles/Your-GPU-s-Fingerprint-Could-Lead-to-New-Security-Methods/ba-p/8418 Your GPU's “Fingerprint” Could Lead to New Security Methods by Andy Patrizio (apatrizio) on 29-10-2012 08:00 AM starlight_dreamstimefree_141720.jpg In the online world, a World of