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Re: New wireless encryption system under development.: msg#00023

Subject: Re: New wireless encryption system under development.
On Fri, 16 Apr 2004, Robert Denier wrote:

> If anyones interested in an orinoco based driver that uses AES
> encryption and different keys for every path then you may wish to take
> a look at
>
> http://www.umr.edu/~denier/ses
>
> IMPORTANT:  This breaks compatibility with other 802.11 communications.
> If a person wants to use this, they need to use this on all their
> computers they want to comunicate with this.

I think it doesn't need to be so intrusive.  You could just have a private
setting to select or deselect your advanced encryption.  No need to remove
__orinoco_ev_rx() and orinoco_xmit() from orinoco.c.  Just check if SES is
enabled and if so, call the encryption or decryption function.

It looks like you broke monitor mode because you replaced the whole
__orinoco_ev_rx() function.  Monitor mode may be useful even with the
security enhanced driver.

Using local_fake_mac instead of dev->dev_addr may be fragile.  The driver
assumes that dev->dev_addr is the MAC address currently used by the
hardware.  Better set dev->dev_addr to whatever you want.  You may need to
preserve the original value if you are going to use it later.

-- 
Regards,
Pavel Roskin


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