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

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 }