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[GH-ISSUE #100] Encrypted Direct Wifi Connection #600
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Reference: starred/OpenEPaperLink#600
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Originally created by @Draexl on GitHub (Aug 8, 2023).
Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/100
It would be great if you could secure the Wifi direct connection with WPA.
Encryption is currently only possible in connection with a router.
@Draexl commented on GitHub (Aug 18, 2023):
Is this possible? Or a more detailed description is required.
@nlimper commented on GitHub (Aug 18, 2023):
Yes, it's definately possible. It can do WPA2, probable it's as simple as setting a password when enabling the wifi AP (and changing the config page to be able to set it...). But to be honest, it's very low on my priority list. If anyone would like to add this: feel free!
@Draexl commented on GitHub (Aug 18, 2023):
Good to know it's possible.
The topic may be too specific for that. But for me it would be the perfect solution, since I wouldn't need a router then. I transfer the JSON template using a tablet.
Configuration interface would not be that important and now the stupid question... currently I can't activate this anywhere in the code that is in File Explorer?
@Draexl commented on GitHub (Aug 21, 2023):
I think if you tackle that then you immediately make the option that the SoftAP settings password are secured at the same time.
But... I did some research. Apparently there is no way to encrypt the SoftAP with WPA. At least I didn't find anything under "Wifimanager" in the GITHUB documentation.
@nlimper commented on GitHub (Aug 21, 2023):
"Wifimanager" is just the name of a library. We don't use that library anymore, I've written my own wifi manager to replace it, because the original 'wifimanager' library was huge, in terms of flash usage.
esp32 is very well capable of doing WPA2, among others. See the documentation of wifi_auth_mode_t and wifi_cipher_type_t at https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/network/esp_wifi.html?#_CPPv416wifi_ap_config_t
@Draexl commented on GitHub (Aug 21, 2023):
Ah, thanks for the information.
If I were to take the short route now and hardcode the whole thing, would you only have to make the changes here?
void WifiManager::startManagementServer() {
if (!_APstarted) {
Serial.println("Starting configuration AP, ssid OpenEPaperLink");
WiFi.mode(WIFI_AP);
WiFi.softAP("OpenEPaperLink", "", 1, false);
WiFi.softAPsetHostname("OpenEPaperLink");
IPAddress IP = WiFi.softAPIP();
Serial.printf("IP Address: %s\n", IP.toString().c_str());
_APstarted = true;
_nextReconnectCheck = millis() + _retryIntervalCheck;
wifiStatus = AP;
}
@nlimper commented on GitHub (Aug 21, 2023):
yes, probably you can just change one line:
WiFi.softAP("OpenEPaperLink", "", 1, false);to
WiFi.softAP("OpenEPaperLink", "MyPassword", 1, false);@Draexl commented on GitHub (Aug 22, 2023):
Works great. thanks