On Thu 16 Nov 2017 at 20:11:18 (+0000), Juan R. de Silva wrote: > > On Wed, 15 Nov 2017 19:48:00 +0000, Juan R. de Silva wrote: > > > Hi folks, > > > > My ISP replaced my old modem with the new one. I changed my WiFi > > Authentication key and the name of the WiFi network. Then I made Network > > Manager to "forget" my old WiFi. Network Manager finds my new WiFi but I > > cannot connect to it. > > > > When "Authentication Key is required" dialog pops up and the key is > > entered,j Connect button remains grayed out/disabled. Thus there is no > > way to get through but pressing Cancel button. > > > > I'm running Debian Stretch. > > > > Could somebody help. It's quite urgent now. > > > The problem is solved. It was Bob Weber post that led me to solution, though > the problem was a kind of different. > > Here what I mean. Just by looking at my password, as entered into NM, I did > not find any weird characters or trailing spaces in it. A typo was exclued > since I copy-pasted it from my password manager storage. I was in loss and > just for no reason, when in GNOME "Authentication required" dialog pressed > Backspace once... All at a sudden I get through and connected!.. > > Then I copied the password I uncessfully tried to use in Network Manager and > pasted it bellow a password copied from my modem/router (or as David > rightfully > called it "gateway" device). > > That was it. The original password was 64 characters and the one in my modem > was only 63 characters. Aparantly the modem has a limitation on the password > length,
The protocol sets the limits, not the router. > which it neither shows to a user. Instead it sighlently cuts off any > excessive characters. > > Silly programmed device wasted 2 days of my time. Anyway I'm a happy bunny > now, since it solved. :-) > > Thanks folks. And the bigest credit goes to Bob. The 64 character item is a different animal from anything with 63 or fewer chars. A key of up to 63 ASCII printables will get encrypted along with the SSID to produce a 64 character hexadecimal string which is what actually gets used. The 63 char limit is to allow a device to distinguish between the two types of string if the unencrypted key were to contain only hexadecimal characters, like beadedface18005551234 (the well-known tattoo parlour), though many devices don't in fact allow direct entry of the encrypted (64) string. Cheers, David.
