On Sat, Dec 15, 2012 at 05:46:19PM +0100, Martin Kjær Jørgensen wrote: > On Sat, Dec 15, 2012 at 11:03:00AM +0100, Tobias Ulmer wrote: > > On Sat, Dec 15, 2012 at 09:52:28AM +0100, Martin Kjær Jørgensen wrote: > > > Hi misc > > > > > > Can a wireless interface (say, athn) make use of a hardware crypto card > > > like hifn when using WPA/WPA2 as encryption? > > > > From a quick look through the kernel: > > > > No, net80211 does not use the crypto framework, therefore it can not use > > any hardware crypto devices. > > > > Usually the chip itself can do the necessary operations, but that seems > > disabled. It's all done in software, I think. > > > > More generally, "modern" CPUs hardly break a sweat doing a few crypto > > ops. The overhead to talk to accelerator cards is usually large and > > only makes sense on (really) slow hardware. Then there is the whole > > issue of bus bandwidth and transferring the same data n times. > > Do you think an AMD Elan 133 Mhz is "modern" enough for at 54/mbit > wireless WPA2 throughput?
No > > > > > > > > > /Martin
