On Sun, Feb 04, 2007 at 08:07:29PM +0100, Michael Buesch wrote: > If creating and uploading the keys to the device is less work than > doing crypto in software, then it is clearly a win. Not necessarily.. > And that _is_ the case for bcm43xx (at least. I don't know about other > devices' hwcrypto capabilities). > Doing less on the CPU and more in hw is always a win. I'm not sure > how you can say that you're not sure it is. ;) As an example, some of the earlier Prism2 designs supported WEP in hardware/firmware. Yes, it would free up some host CPU, but the maximum throughput dropped from ca. 6 Mbps to 4 Mbps (and much lower in some cases).. WEP is quite fast operation, so using the host CPU to double throughput sounds like a good trade in many cases. -- Jouni Malinen PGP id EFC895FA - To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
