Password, ignored if T is nopass (in which case it may be omitted). Enclose in double quotes if it is an ASCII name, but could be interpreted as hex (i.e. WIFI:T:WPA S:mynetwork P:mypass ParamaterĪuthentication type can be WEP or WPA or WPA2-EAP, or nopass for no password. If you can't do this locally for some reason, there is also an in-browser Then click the QR icon in the password field and scan the code: On Android, go into the WiFi settings and tap on the WiFi network you want Notification which allows you to connect to the WiFi network: On iOS, simply open the camera app and scan the QR code to bring up a The full syntax for these WiFi QR codes can be found on the zxing wiki. The only other pitfall I ran into is that if you include a trailing newlineĬharacter (for example piping echo "." into qrencode as opposed toĮcho -n ".") then it will fail on both iOS and Android. Since iOS won't support the following (which works fine on Android): 'WIFI:T:WPA S: P:"pass:word" ' If your password includes a semicolon, then escape it like this: "WIFI:T:WPA S: P:pass\:word " The 63-character password you hopefully generated with pwgen -s 63. Substituting for the name of your WiFi network and for Package, run the following: qrencode -o wifi.png "WIFI:T:WPA S: P: " Thanks to Android 10 and iOS 11 supporting reading WiFi passwordsįrom a QR code, this is finally a practical defense. Up until recently, it was a pain to defend againt WPA2 brute-forceīy using a random 63-character password (the maximum in
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