ESP32-Mqtt was not connected using Azure SSL Certificate

[selvamani1991]

ESP32-Mqtt was not connected using Azure SSL Certificate

Hi,
I am using the below code for connecting with ssl certificate was not working.

#include <WiFiClientSecure.h>

const char* ssid = "xxx"; // your network SSID (name of wifi network)
const char* password = "xxx"; // your network password

const char* server = "xxx.azure-devices.net"; // Server URL

const char* test_root_ca=
"-----BEGIN CERTIFICATE-----\n"
"MIIDxDCCAqwCCQDyrMM0eCtQEDANBgkqhkiG9w0BAQsFADCBozELMAkGA1UEBhMC\n"
"SU4xCzAJBgNVBAgMAktBMRIwEAYDVQQHDAlCYW5nYWxvcmUxEzARBgNVBAoMCkJy\n"
"YWluQ2hpbGQxGTAXBgNVBAsMEEF6dXJlU21hcnREZXZpY2UxFzAVBgNVBAMMDlNt\n"
"YXJ0RGV2aWNlQmN0MSowKAYJKoZIhvcNAQkBFht2aWpheS5uQGJyYWluY2hpbGR0\n"
"ZWNoLmNvbSAwHhcNMjAwNDEyMDYxNzM2WhcNMzEwNjMwMDYxNzM2WjCBozELMAkG\n"
"A1UEBhMCSU4xCzAJBgNVBAgMAktBMRIwEAYDVQQHDAlCYW5nYWxvcmUxEzARBgNV\n"
"BAoMCkJyYWluQ2hpbGQxGTAXBgNVBAsMEEF6dXJlU21hcnREZXZpY2UxFzAVBgNV\n"
"BAMMDlNtYXJ0RGV2aWNlQmN0MSowKAYJKoZIhvcNAQkBFht2aWpheS5uQGJyYWlu\n"
"Y2hpbGR0ZWNoLmNvbSAwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDM\n"
"9BSby0MzYNe4FpezzhUwkthQl6a41zuf6bpp42jUbagGjmLvBf36By6dUd4qQN9n\n"
"DELU/51TLr0v3lWRyli9dz9gaD3l0l8jw7mT5TaaxgWi6A8o288T8Vlf2QKPwH8Y\n"
"4wejrVpWp4hUxX5SA6y5a4XTe1UBHyKDiAAa3SGUu7gzw6zau+6HE45sQhzBZoke\n"
"fApDQvYmexjecIfqGpNTNxhvKENTt/luNBRevsRr5uEp+7D2mwVHWQxz321EvtJX\n"
"8GePNpzpavBzfQaXBIg8N8Ump33NEzPcfCvlVjY/GCTdjDV47RvFCB45hgoU5y1P\n"
"voSEu60ju4fOnKK5z9OlAgMBAAEwDQYJKoZIhvcNAQELBQADggEBAAqrBglSslip\n"
"kmrilWXTRWwfc9goH+BbgHvSLJJI6/LEsLVkHPYE+Id4lvyFih8JMTgn5QVqDdtK\n"
"dqE8MN792VQBmDMMWamRuQLWAjZi3zrRlT24X1S0lQncx418z4gIJL7rugfdkkdc\n"
"v77BXQaog3N7ErEo0ye8AajgcnNixe5oYzI0jrC/7TFpo6r6me5yKz2GLq/RIpSq\n"
"8pT2prkw0pCJWBHqT7pt/f2ZxPp5wKFKqOXdWJSW957hDcVobgYUzfARtBA1pgmv\n"
"JdA4Wz2GMmzdhKGlNKG0wXjesSYSyyijKfNHQzRZ04SM4kDk5Xf9sm1igWvrOIbU\n"
"B6qOPjRQhDA=\n"
"-----END CERTIFICATE-----\n";

// You can use x.509 client certificates if you want
const char* test_client_key =
"-----BEGIN RSA PRIVATE KEY-----\n"
"MIIEpAIBAAKCAQEAvrsh1YjvyGB90UroWLX383OrtrfS5jabzIAl99W0gjQWpN8E\n"
"Ccq8thffWzq6+EoJrjrMshqLrgwuupsKyYAxZ8pEBMu/7/6P2ROk/9huycP9MP/c\n"
"nexpfqlTrlrabDFG4YEbFNGmQ0eFhGjR4G+ymn6WGGzcG6c+Wd7YgseMI7MPz8W0\n"
"EUXSmQMYa0BIrFfwQ4j5cnJL2L6ylenc6rwoVG1Zzlvx+1ZgtOuIMjZDzyfwD2OU\n"
"grB8Spjg8RI8CPoBeF8TMwnNghPfSJZ2Hl7Kq6S8Wxo67qfUVBVtfA8lE/8dvO16\n"
"txBxc7xDnZDJD6bQP+qZl81wLjzu6/e2H6Cd7wIDAQABAoIBAFFbW1RNhBKR7jk/\n"
"XZqxjCGBnqZjBQgEFTMHGqr7snKzq1EKfBt9Kj/2MOUmSSit1DFIjZYPMrO8KJaa\n"
"meBX2TsvkRIGo0nI6S0sbv5fIOrZuf+TtFR8yocnzTUbNf5eiqCYRKf9wZEDShWv\n"
"7I5yttml03p5vO3iyfrlzq8CVWnIM03lDgjgVRvgqPMTL/ZpOCkbSuMGPlwTVXXR\n"
"CTBH2SNg3SRROKMYM4sJWGbbCeB55VkryIosfpSkqeOxJ2Kon5j9PNOt+3M80/pV\n"
"T/t4gRtp9IlFu2AfGbibSiyBs2/Zx0VPJUlPvJX57k88EtuCZz/ZOxc3ryRKrJN1\n"
"wMg70ikCgYEA8l4m82UFivtPkE7fcmNtLUTilwh9v5Fkl9HTcJx0uppa47+wnJHU\n"
"+s1uBh9O1yjaxJS9bBupNsNZc7/93SP6e6m2/mBP8AR3SmmY7bJTw2hnN8caMSVW\n"
"tm57NY6kLNF5BU6bZiBQ6YqFExOBJ4PGp8LOhYDnQ6NuA9zcVZjvxW0CgYEAyXV2\n"
"iIA8hnjAqkxq61B2EhXxUigCqAFDQGJHt98F92it+GeRU5iWBjSWwrvPuiCMSRNl\n"
"bPKB0gzPCjag8FGK9B0hHApCYpgQuZ5x80P0txkWYP1dYB2+zsKCr32WMaw8pDPD\n"
"ZmOoaLIJVcNpVCHPaUIHnvpwfvE6cEE0fCLng0sCgYEA487bjatGqnvNLTb1j+8k\n"
"j4hP8uZoS8e9ZXYz54Unsr2i8K8csg3gwlyVLev/jv03o86qvRLC2laDnei4FUPc\n"
"DKBZAIBGorOP7MGUnNchJGrdme/rDoaqGo99/7kzV20M85APQM7fPqSUsHmEzD9w\n"
"Wf8hXxrqRQk4Pyk5cLtvo4ECgYB7V9Sb3E+yUSo82g64RgoUJqUalO6TaDqBp+qb\n"
"FAw2Hzwsk1Rx50ErSXVogs66+YSKlTqLCqsbLMZyTWIZ4QL/VPpZjZp5fPr4ep7v\n"
"vxKMK+r8tQM/fta9BnA2++BCR17Vde/Tt357o0192eeaIB06J7g8yL6pqg4KfpGg\n"
"00oFowKBgQCwCkR5b2OJqsYVcLmkivSUq+fvn++CZ25bL/fp2tnjyqKn2wmXJQb2\n"
"zyOOvmQLeMibg2N0C5w58uVK29iSB4wvZR6ld22nwiNuMrgCqXSPfala9diShiT4\n"
"jKR5LyiKNwbWUIhlHRoEoflU99R9phQ9RBCLM9DZPl14l0t121BrTA==\n"
"-----END RSA PRIVATE KEY-----\n"; //to verify the client

const char* test_client_cert =
"-----BEGIN CERTIFICATE-----\n"
"MIIDUDCCAjigAwIBAgIEDWcmzDANBgkqhkiG9w0BAQsFADCBozELMAkGA1UEBhMC\n"
"SU4xCzAJBgNVBAgMAktBMRIwEAYDVQQHDAlCYW5nYWxvcmUxEzARBgNVBAoMCkJy\n"
"YWluQ2hpbGQxGTAXBgNVBAsMEEF6dXJlU21hcnREZXZpY2UxFzAVBgNVBAMMDlNt\n"
"YXJ0RGV2aWNlQmN0MSowKAYJKoZIhvcNAQkBFht2aWpheS5uQGJyYWluY2hpbGR0\n"
"ZWNoLmNvbSAwHhcNMjEwMzAyMDUyNzE4WhcNMjcwMzAxMDUyNzE4WjAUMRIwEAYD\n"
"VQQDDAllbWRpMTExMTEwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC+\n"
"uyHViO/IYH3RSuhYtffzc6u2t9LmNpvMgCX31bSCNBak3wQJyry2F99bOrr4Sgmu\n"
"OsyyGouuDC66mwrJgDFnykQEy7/v/o/ZE6T/2G7Jw/0w/9yd7Gl+qVOuWtpsMUbh\n"
"gRsU0aZDR4WEaNHgb7KafpYYbNwbpz5Z3tiCx4wjsw/PxbQRRdKZAxhrQEisV/BD\n"
"iPlyckvYvrKV6dzqvChUbVnOW/H7VmC064gyNkPPJ/APY5SCsHxKmODxEjwI+gF4\n"
"XxMzCc2CE99IlnYeXsqrpLxbGjrup9RUFW18DyUT/x287Xq3EHFzvEOdkMkPptA/\n"
"6pmXzXAuPO7r97YfoJ3vAgMBAAGjGjAYMBYGA1UdJQEB/wQMMAoGCCsGAQUFBwMC\n"
"MA0GCSqGSIb3DQEBCwUAA4IBAQCWZihPRY/3PxSqw5r+dFY5sViZfQyx/CLYqyM7\n"
"qz0LNEkkyoTkJ12Tvb8mq4gKA0W8u4iydr6n6vr1Mjnz2W0s0JIjvKAJ3H5/7t0Z\n"
"88bppuO/QHJTi4K04oHGZturGYON6rJ84+ahBs9MGaGjUD6Pkq5Y1f1xAeXbMzkZ\n"
"2/lgWG8xkMXZpdib3i8/CQD2qUbn6t4lTskEECTxtnsjsTZeN6WQDX7qyhwdW5AU\n"
"hFvfglo7ftzrPYWO3cHht6GkIWFNasqfOaLy6KOZ0LR29/c21o+oJoVNvjVMSat/\n"
"jbXGdI9GU2tLprZ22CGBEu6vaw56JwZlB7QPxmkmHOMPH14j\n"
"-----END CERTIFICATE-----\n"; //to verify the client

WiFiClientSecure client;

void setup() {
//Initialize serial and wait for port to open:
Serial.begin(115200);
delay(100);

Serial.print("Attempting to connect to SSID: ");
Serial.println(ssid);
WiFi.begin(ssid, password);

// attempt to connect to Wifi network:
while (WiFi.status() != WL_CONNECTED) {
Serial.print(".");
// wait 1 second for re-trying
delay(1000);
}

Serial.print("Connected to ");
Serial.println(ssid);

client.setCACert(test_root_ca);
client.setCertificate(test_client_cert); // for client verification
client.setPrivateKey(test_client_key); // for client verification

Serial.println("\nStarting connection to server...");
if (!client.connect(server, 8883)){
Serial.println("Connection failed!");
}
else {
Serial.println("Connected to server!");
}
}

void loop() {
// do nothing
}