first commit
This commit is contained in:
Jérôme Delacotte
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/*
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* This example demonstrates how to use to update the firmware using Arduino_ESP_OTA library
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*
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* Steps:
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* 1) Create a sketch for your ESP board and verify
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* that it both compiles and works.
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* 2) In the IDE select: Sketch -> Export compiled Binary.
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* 3) Create an OTA update file utilising the tools 'lzss.py' and 'bin2ota.py' stored in
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* https://github.com/arduino-libraries/ArduinoIoTCloud/tree/master/extras/tools .
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* A) ./lzss.py --encode SKETCH.bin SKETCH.lzss
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* B) ./bin2ota.py ESP SKETCH.lzss SKETCH.ota
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* 4) Upload the OTA file to a network reachable location, e.g. LOLIN_32_Blink.ino.ota
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* has been uploaded to: http://downloads.arduino.cc/ota/LOLIN_32_Blink.ino.ota
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* 5) Verify if a custom ca_cert is needed by default DigiCert root CA are used
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* https://www.digicert.com/kb/digicert-root-certificates.htm
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* 6) Perform an OTA update via steps outlined below.
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*/
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/******************************************************************************
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* INCLUDE
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******************************************************************************/
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#include <Arduino_ESP32_OTA.h>
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#include <WiFi.h>
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#include "arduino_secrets.h"
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#include "root_ca.h"
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/******************************************************************************
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* CONSTANT
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******************************************************************************/
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/* Please enter your sensitive data in the Secret tab/arduino_secrets.h */
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static char const SSID[] = SECRET_SSID; /* your network SSID (name) */
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static char const PASS[] = SECRET_PASS; /* your network password (use for WPA, or use as key for WEP) */
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#if defined(ARDUINO_NANO_ESP32)
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static char const OTA_FILE_LOCATION[] = "https://raw.githubusercontent.com/arduino-libraries/Arduino_ESP32_OTA/main/examples/NANO_ESP32_Blink/NANO_ESP32_Blink.ino.ota";
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#else
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static char const OTA_FILE_LOCATION[] = "https://raw.githubusercontent.com/arduino-libraries/Arduino_ESP32_OTA/main/examples/LOLIN_32_Blink/LOLIN_32_Blink.ino.ota";
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#endif
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/******************************************************************************
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* SETUP/LOOP
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******************************************************************************/
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void setup()
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{
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Serial.begin(9600);
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while (!Serial) {}
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while (WiFi.status() != WL_CONNECTED)
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{
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Serial.print ("Attempting to connect to '");
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Serial.print (SSID);
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Serial.println("'");
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WiFi.begin(SSID, PASS);
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delay(2000);
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}
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Serial.print ("You're connected to '");
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Serial.print (WiFi.SSID());
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Serial.println("'");
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Arduino_ESP32_OTA ota;
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Arduino_ESP32_OTA::Error ota_err = Arduino_ESP32_OTA::Error::None;
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/* Configure custom Root CA */
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ota.setCACert(root_ca);
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Serial.println("Initializing OTA storage");
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if ((ota_err = ota.begin()) != Arduino_ESP32_OTA::Error::None)
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{
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Serial.print ("Arduino_ESP_OTA::begin() failed with error code ");
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Serial.println((int)ota_err);
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return;
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}
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Serial.println("Starting download to flash ...");
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int const ota_download = ota.download(OTA_FILE_LOCATION);
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if (ota_download <= 0)
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{
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Serial.print ("Arduino_ESP_OTA::download failed with error code ");
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Serial.println(ota_download);
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return;
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}
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Serial.print (ota_download);
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Serial.println(" bytes stored.");
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Serial.println("Verify update integrity and apply ...");
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if ((ota_err = ota.update()) != Arduino_ESP32_OTA::Error::None)
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{
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Serial.print ("ota.update() failed with error code ");
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Serial.println((int)ota_err);
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return;
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}
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Serial.println("Performing a reset after which the bootloader will start the new firmware.");
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#if defined(ARDUINO_NANO_ESP32)
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Serial.println("Hint: Arduino NANO ESP32 will blink Red Green and Blue.");
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#else
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Serial.println("Hint: LOLIN32 will blink Blue.");
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#endif
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delay(1000); /* Make sure the serial message gets out before the reset. */
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ota.reset();
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}
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void loop()
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{
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}
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@@ -0,0 +1,2 @@
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#define SECRET_SSID ""
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#define SECRET_PASS ""
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@@ -0,0 +1,55 @@
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const char* root_ca = \
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/*DigiCert TLS Hybrid ECC SHA384 2020 CA1*/
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"-----BEGIN CERTIFICATE-----\n" \
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"MIIEFzCCAv+gAwIBAgIQB/LzXIeod6967+lHmTUlvTANBgkqhkiG9w0BAQwFADBh\n" \
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"MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3\n" \
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"d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBD\n" \
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"QTAeFw0yMTA0MTQwMDAwMDBaFw0zMTA0MTMyMzU5NTlaMFYxCzAJBgNVBAYTAlVT\n" \
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"MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxMDAuBgNVBAMTJ0RpZ2lDZXJ0IFRMUyBI\n" \
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"eWJyaWQgRUNDIFNIQTM4NCAyMDIwIENBMTB2MBAGByqGSM49AgEGBSuBBAAiA2IA\n" \
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"BMEbxppbmNmkKaDp1AS12+umsmxVwP/tmMZJLwYnUcu/cMEFesOxnYeJuq20ExfJ\n" \
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"qLSDyLiQ0cx0NTY8g3KwtdD3ImnI8YDEe0CPz2iHJlw5ifFNkU3aiYvkA8ND5b8v\n" \
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"c6OCAYIwggF+MBIGA1UdEwEB/wQIMAYBAf8CAQAwHQYDVR0OBBYEFAq8CCkXjKU5\n" \
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"bXoOzjPHLrPt+8N6MB8GA1UdIwQYMBaAFAPeUDVW0Uy7ZvCj4hsbw5eyPdFVMA4G\n" \
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"A1UdDwEB/wQEAwIBhjAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwdgYI\n" \
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"KwYBBQUHAQEEajBoMCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5kaWdpY2VydC5j\n" \
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"b20wQAYIKwYBBQUHMAKGNGh0dHA6Ly9jYWNlcnRzLmRpZ2ljZXJ0LmNvbS9EaWdp\n" \
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"Q2VydEdsb2JhbFJvb3RDQS5jcnQwQgYDVR0fBDswOTA3oDWgM4YxaHR0cDovL2Ny\n" \
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"bDMuZGlnaWNlcnQuY29tL0RpZ2lDZXJ0R2xvYmFsUm9vdENBLmNybDA9BgNVHSAE\n" \
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"NjA0MAsGCWCGSAGG/WwCATAHBgVngQwBATAIBgZngQwBAgEwCAYGZ4EMAQICMAgG\n" \
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"BmeBDAECAzANBgkqhkiG9w0BAQwFAAOCAQEAR1mBf9QbH7Bx9phdGLqYR5iwfnYr\n" \
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"6v8ai6wms0KNMeZK6BnQ79oU59cUkqGS8qcuLa/7Hfb7U7CKP/zYFgrpsC62pQsY\n" \
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"kDUmotr2qLcy/JUjS8ZFucTP5Hzu5sn4kL1y45nDHQsFfGqXbbKrAjbYwrwsAZI/\n" \
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"BKOLdRHHuSm8EdCGupK8JvllyDfNJvaGEwwEqonleLHBTnm8dqMLUeTF0J5q/hos\n" \
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"Vq4GNiejcxwIfZMy0MJEGdqN9A57HSgDKwmKdsp33Id6rHtSJlWncg+d0ohP/rEh\n" \
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"xRqhqjn1VtvChMQ1H3Dau0bwhr9kAMQ+959GG50jBbl9s08PqUU643QwmA==\n" \
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"-----END CERTIFICATE-----\n"
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/*DigiCert TLS RSA SHA256 2020 CA1*/
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"-----BEGIN CERTIFICATE-----\n" \
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"MIIEvjCCA6agAwIBAgIQBtjZBNVYQ0b2ii+nVCJ+xDANBgkqhkiG9w0BAQsFADBh\n" \
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"MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3\n" \
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"d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBD\n" \
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"QTAeFw0yMTA0MTQwMDAwMDBaFw0zMTA0MTMyMzU5NTlaME8xCzAJBgNVBAYTAlVT\n" \
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"MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxKTAnBgNVBAMTIERpZ2lDZXJ0IFRMUyBS\n" \
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"U0EgU0hBMjU2IDIwMjAgQ0ExMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC\n" \
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"AQEAwUuzZUdwvN1PWNvsnO3DZuUfMRNUrUpmRh8sCuxkB+Uu3Ny5CiDt3+PE0J6a\n" \
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"qXodgojlEVbbHp9YwlHnLDQNLtKS4VbL8Xlfs7uHyiUDe5pSQWYQYE9XE0nw6Ddn\n" \
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"g9/n00tnTCJRpt8OmRDtV1F0JuJ9x8piLhMbfyOIJVNvwTRYAIuE//i+p1hJInuW\n" \
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"raKImxW8oHzf6VGo1bDtN+I2tIJLYrVJmuzHZ9bjPvXj1hJeRPG/cUJ9WIQDgLGB\n" \
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"Afr5yjK7tI4nhyfFK3TUqNaX3sNk+crOU6JWvHgXjkkDKa77SU+kFbnO8lwZV21r\n" \
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"eacroicgE7XQPUDTITAHk+qZ9QIDAQABo4IBgjCCAX4wEgYDVR0TAQH/BAgwBgEB\n" \
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"/wIBADAdBgNVHQ4EFgQUt2ui6qiqhIx56rTaD5iyxZV2ufQwHwYDVR0jBBgwFoAU\n" \
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"A95QNVbRTLtm8KPiGxvDl7I90VUwDgYDVR0PAQH/BAQDAgGGMB0GA1UdJQQWMBQG\n" \
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"CCsGAQUFBwMBBggrBgEFBQcDAjB2BggrBgEFBQcBAQRqMGgwJAYIKwYBBQUHMAGG\n" \
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"GGh0dHA6Ly9vY3NwLmRpZ2ljZXJ0LmNvbTBABggrBgEFBQcwAoY0aHR0cDovL2Nh\n" \
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"Y2VydHMuZGlnaWNlcnQuY29tL0RpZ2lDZXJ0R2xvYmFsUm9vdENBLmNydDBCBgNV\n" \
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||||
"HR8EOzA5MDegNaAzhjFodHRwOi8vY3JsMy5kaWdpY2VydC5jb20vRGlnaUNlcnRH\n" \
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"bG9iYWxSb290Q0EuY3JsMD0GA1UdIAQ2MDQwCwYJYIZIAYb9bAIBMAcGBWeBDAEB\n" \
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||||
"MAgGBmeBDAECATAIBgZngQwBAgIwCAYGZ4EMAQIDMA0GCSqGSIb3DQEBCwUAA4IB\n" \
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"AQCAMs5eC91uWg0Kr+HWhMvAjvqFcO3aXbMM9yt1QP6FCvrzMXi3cEsaiVi6gL3z\n" \
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"ax3pfs8LulicWdSQ0/1s/dCYbbdxglvPbQtaCdB73sRD2Cqk3p5BJl+7j5nL3a7h\n" \
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||||
"qG+fh/50tx8bIKuxT8b1Z11dmzzp/2n3YWzW2fP9NsarA4h20ksudYbj/NhVfSbC\n" \
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"EXffPgK2fPOre3qGNm+499iTcc+G33Mw+nur7SpZyEKEOxEXGlLzyQ4UfaJbcme6\n" \
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"ce1XR2bFuAJKZTRei9AqPCCcUZlM51Ke92sRKw2Sfh3oius2FkOH6ipjv3U/697E\n" \
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"A7sKPPcw7+uvTPyLNhBzPvOk\n" \
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"-----END CERTIFICATE-----\n";
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