North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: LEAP Security Vulnerabilities??
Thus spake "Richard A Steenbergen" <[email protected]> > On Thu, Jun 13, 2002 at 02:34:29PM -0500, Stephen Sprunk wrote: > > The choice of RC4 was unfortunate given the above problem, > > but the coming switch to AES should fix that. > > Most existing wireless APs cannot keep up with 802.11b doing > RC4 (which is EXTREMELY light on the cpu) at line rate. I'm > afraid to see what they consider acceptable for AES, anything > done as a firmware upgrade is going to be quite limiting. At least > for 802.11a I believe they're doing better. Most vendors chose to do their RC4 encryption in software and consequently can't do more than 1-2mb/s -- caveat emptor. That's hardly a failing of the 802.11 WG; at least one vendor can do RC4 (and soon AES) at wire rate. "You can have it good, fast, or cheap -- pick two." S
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