Re: Possible fixes for 802.11 WPA message authentication

2002-11-11 Thread Niels Ferguson
At 12:06 11/11/02 -0500, Arnold G. Reinhold wrote: [...] >1. Shuffle the order of the message words stirred into Michael. For [...] I can't go into details here due to NDA considerations, but this idea cannot be efficiently implemented on some of the existing hardware. >2. Refresh the Michael

Possible fixes for 802.11 WPA message authentication

2002-11-11 Thread Arnold G. Reinhold
Here are some thoughts that occur to me for improving the security of 802.11 WPA message authentication (MIC), based on what I read in Jesse Walker's paper http://cedar.intel.com/media/pdf/security/80211_part2.pdf. One approach is to second guess Niels Ferguson and try to find a different comb