[homepup]

I’m using a WPA2 Personal network at home (SSID=DeepThought) and the following dict item in /Library/Preferences/SystemConfiguration/preferences.plist:

SSID_STR
DeepThought
SecurityType
WPA2 Personal
Unique Network ID
2DDB7534-F5EE-4C38-B3B8-1E804EE16ADD
Unique Password ID
7E164DE3-2CCF-4497-93D7-FFE67547EC6C

corresponds to the info that System Preferences puts in the Preferred network list. The “Unique Password ID” is not a hash of the password, but rather the Unique ID number that corresponds to the entry in Keychain access that contains the password for that network.

If I open Keychain Access and look at the info contained in the system.keychain for my saved password, it will be the same info in the “Where” field.

Not sure what the Network ID connects to. On WPA2 Enterprise, that’s the part that connects to the password item in Keychain Access.

P.S. I’m the author of the BMOC entry mentioned above. You may want to doublecheck that link again. I periodically update the info and have since posted source files to use/modify. Tried to comment it to explain each of the steps, but there’s a lot happening in those scripts. All said, if I was to have started it on Snow Leopard, it would have been MUCH easier.

[homepup]

We are experiencing this at our location as well, however, not all MB C2D seem to be affected, but those are the only hardware types that we’ve seen exhibit the behavior.

There are several discussions about a possible fix, but so far, none have worked for us. We have also filled out an Apple Bug Report on this.

[Author]

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