Return-path: Received: from fk-out-0910.google.com ([209.85.128.186]:40850 "EHLO fk-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752095AbYEEQEc (ORCPT ); Mon, 5 May 2008 12:04:32 -0400 Received: by fk-out-0910.google.com with SMTP id 18so733382fkq.5 for ; Mon, 05 May 2008 09:04:30 -0700 (PDT) Message-ID: <8704f27d0805050904j41ddb0a9obbe2fdf231c4a625@mail.gmail.com> (sfid-20080505_180352_646769_F2E6D706) Date: Mon, 5 May 2008 19:04:30 +0300 From: "Emmanuel Grumbach" To: "Volker Braun" Subject: Re: dynamic wep with mulitple keys Cc: "Linux Wireless" In-Reply-To: <1208969544.3312.5.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 References: <1208969544.3312.5.camel@localhost.localdomain> Sender: linux-wireless-owner@vger.kernel.org List-ID: > I thought the DHCP broadcast ought to be encrypted with the broadcast > key (=keyidx 2)?? But its encrypted with the unicast key (keyidx 3). Or > am I really confused here? Please let me know if you have any ideas to > fix this! > Nope, a station never encrypts with broadcast key, it always encrypts to the AP: RA = MAC of the AP, and TA = broadcast MAC. So the key used for encryption of broadcast packet should be the unicast key. The broadcast key is useful for RX only. -- Emmanuel Grumbach egrumbach@gmail.com