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This is an implementation of theWireGuard® for ESP32 Arduino.

Almost all of this code is based on theWireGuard Implementation for lwIP, but some potion of the code is adjusted to build with ESP32 Arduino.

1. IncludeWireGuard-ESP32.h at the early part of the sketch.

#include<WireGuard-ESP32.h>

2. Define the instance of theWireGuard class at module level.

static WireGuard wg;

3. Connect to WiFi AP by usingWiFi class.

WiFi.begin(ssid, password);while( !WiFi.isConnected() ) {delay(1000);}

4. Sync the system time via NTP.

configTime(9 *60 *60,0,"ntp.jst.mfeed.ad.jp","ntp.nict.jp","time.google.com");

5. Start the WireGuard interface.

wg.begin(    local_ip,// IP address of the local interface    private_key,// Private key of the local interface    endpoint_address,// Address of the endpoint peer.    public_key,// Public key of the endpoint peer.    endpoint_port);// Port pf the endpoint peer.

You can see an example sketchuptime_post.ino, which connects SORACOM Arc WireGuard endpoint and post uptime to SORACOM Harvest via WireGuard connection.

The original WireGuard implementation for lwIP is licensed under BSD 3 clause license so the code in this repository also licensed under the same license.

Original license is below:

The code is copyrighted under BSD 3 clause Copyright (c) 2021 Daniel Hope (www.floorsense.nz)

See LICENSE for details