Try different build strategy

examples/arduino-signed-ota/src/main.cpp

@@ -0,0 +1,78 @@
+#include <ESP8266WiFi.h>
+#include <ESP8266mDNS.h>
+#include <WiFiUdp.h>
+#include <ArduinoOTA.h>
+#include "Updater_Signing.h"
+
+#ifndef STASSID
+#define STASSID "YourSSID"
+#define STAPSK "YourPassword"
+#endif
+
+const char* ssid = STASSID;
+const char* password = STAPSK;
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println("Booting");
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(ssid, password);
+  while (WiFi.waitForConnectResult() != WL_CONNECTED) {
+    Serial.println("Connection Failed! Rebooting...");
+    delay(5000);
+    rp2040.restart();
+  }
+
+  // Port defaults to 8266
+  // ArduinoOTA.setPort(8266);
+
+  // Hostname defaults to esp8266-[ChipID]
+  // ArduinoOTA.setHostname("myesp8266");
+
+  // No authentication by default
+  // ArduinoOTA.setPassword("admin");
+
+  // Password can be set with it's md5 value as well
+  // MD5(admin) = 21232f297a57a5a743894a0e4a801fc3
+  // ArduinoOTA.setPasswordHash("21232f297a57a5a743894a0e4a801fc3");
+
+  ArduinoOTA.onStart([]() {
+    String type;
+    if (ArduinoOTA.getCommand() == U_FLASH) {
+      type = "sketch";
+    } else {  // U_FS
+      type = "filesystem";
+    }
+
+    // NOTE: if updating FS this would be the place to unmount FS using FS.end()
+    Serial.println("Start updating " + type);
+  });
+  ArduinoOTA.onEnd([]() {
+    Serial.println("\nEnd");
+  });
+  ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
+    Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
+  });
+  ArduinoOTA.onError([](ota_error_t error) {
+    Serial.printf("Error[%u]: ", error);
+    if (error == OTA_AUTH_ERROR) {
+      Serial.println("Auth Failed");
+    } else if (error == OTA_BEGIN_ERROR) {
+      Serial.println("Begin Failed");
+    } else if (error == OTA_CONNECT_ERROR) {
+      Serial.println("Connect Failed");
+    } else if (error == OTA_RECEIVE_ERROR) {
+      Serial.println("Receive Failed");
+    } else if (error == OTA_END_ERROR) {
+      Serial.println("End Failed");
+    }
+  });
+  ArduinoOTA.begin();
+  Serial.println("Ready");
+  Serial.print("IP address: ");
+  Serial.println(WiFi.localIP());
+}
+
+void loop() {
+  ArduinoOTA.handle();
+}

examples/arduino-signed-ota/src/private.key

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----

examples/arduino-signed-ota/src/public.key

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu1Pt7yEk/xI+6cozLj5B
+u4xV8gXDXcHS0rSJFfl4wBTk4UXpaJRaLfR1k0juEEa5LBRZaoA0iLj2e6kfCibO
+Nx0VVoWmeqN2HBc3zkA1eqCksI0QUudzto4KhKHp0odiZ2zo6c/2Tn1zqD/m3OLo
+SjVTbsJmGuwx8RGMBXozpg/uL0hHflihX+HND4Xfw92QXv7SaPBhgvM9xyRxn0/w
+3J2nNjtuPuVN5vcQkd8ncMexVfy9AWp+HSA5AT5N8CJ/EeIsdDMY1US28bUePzj1
+WIo75bZHKZNFw/iXe2xoPpm74qriMNSlW2craFP2K3KYnI28vJeUU6t9I6LS9zt2
+zQIDAQAB
+-----END PUBLIC KEY-----