Subject: Re: How is wep (de)crypted ?
To: dynek <pierrick@bs-network.net>
From: Petar Bogdanovic <p.netbsd@2005.smokva.net>
List: tech-net
Date: 12/14/2005 00:07:11
David Young wrote:
> On Tue, Dec 13, 2005 at 11:17:14PM +0100, dynek wrote:
>> Hi.
>>
>> There's no information about this in the wi(4) man and I am wondering
>> how is wep (de)crypted ? Is it hardware or software based ?
> 
> Usually, the NIC firmware encrypts and decrypts packets, possibly with
> the help of a crypto accelerator.  In host AP mode, the driver encrypts,
> but the NIC decrypts---this is apparently a workaround for a bug in
> certain firmware revisions.

I suppose, wpa_supplicant is not using any crypto-accelerator-help, when 
doing WPA (RC4+TKIP/AES+CCMP)?


Petar