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KoreK · 10-09-2004

From sorwep.txt and a bit of playing with it:

class 2: Doesn't work. Conditions are S[1]=0,S[byte]=byte,S[0]=Y=output. Then if J is 0(=&Y), conditions are more likely to be met. But if J isn't, if the next J (byte+1) is 0, conditions are also more likely to be met and so on. The conditions are not sufficient to guess one of them, since they can guess all of them...
class 3: That one is new to me. It's a weak 5% attack. It has stability problem (like most of the chopper weak attacks).
class 4: chopper's A_s13.
class 5: chopper's A_w13_2.
class 6: chopper's A_w13_1.
class 7: chopper's A_w13_3.

A note on this thread: I would like to keep it as technical as possible. So no lovefest please. No stoopid windows/my card/ignorant post either. Give your post some content, or you'll receive a nice PM from me. Ideally, it should be some contribution to wep cracking, or some intelligent bug report (and the thread won't have more than 3 pages). You can always PM me, if you have any doubt. Sorwep ended here after a short stay in the bin, because there has been a bit too much of wep threads lately. So keep it tidy.

For my part, next version of chopchop will be in a week or two. I'd like to wait for the release of the atheros injection patch, and in the meantime, I'll try to finish the wep paper I started. Hopefully this will be my next post here.

10-09-2004	#29 (permalink)
KoreK Banned in DC Join Date: Jul 2004 Posts: 102	From sorwep.txt and a bit of playing with it: class 2: Doesn't work. Conditions are S[1]=0,S[byte]=byte,S[0]=Y=output. Then if J is 0(=&Y), conditions are more likely to be met. But if J isn't, if the next J (byte+1) is 0, conditions are also more likely to be met and so on. The conditions are not sufficient to guess one of them, since they can guess all of them... class 3: That one is new to me. It's a weak 5% attack. It has stability problem (like most of the chopper weak attacks). class 4: chopper's A_s13. class 5: chopper's A_w13_2. class 6: chopper's A_w13_1. class 7: chopper's A_w13_3. A note on this thread: I would like to keep it as technical as possible. So no lovefest please. No stoopid windows/my card/ignorant post either. Give your post some content, or you'll receive a nice PM from me. Ideally, it should be some contribution to wep cracking, or some intelligent bug report (and the thread won't have more than 3 pages). You can always PM me, if you have any doubt. Sorwep ended here after a short stay in the bin, because there has been a bit too much of wep threads lately. So keep it tidy. For my part, next version of chopchop will be in a week or two. I'd like to wait for the release of the atheros injection patch, and in the meantime, I'll try to finish the wep paper I started. Hopefully this will be my next post here.