CPU usage of WPA TKIP

Jouni Malinen jkmaline
Thu Aug 11 22:17:41 PDT 2005

On Thu, Aug 11, 2005 at 11:46:55AM +0200, Thomas Gabriel wrote:

> Iam wondering wether encrypting traffic using wpa-tkip will hit the cpu of
> my system?

Host AP driver implements TKIP in the driver and as such, host CPU
will be used for this. TKIP (RC4+CRC32) does not take that much CPU,
especially with IEEE 802.11b cards. Of course, if you are already
running low on available CPU, this may limit the available maximum

Jouni Malinen                                            PGP id EFC895FA

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