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in module wss.js:

function WebSocket(host, options) {
  this.socket = null;
  options = options || {};
  this.host = host;
  this.port = options.port || 80;
  this.protocolVersion = options.protocolVersion || 13;
  this.origin = options.origin || 'Espruino';
  this.keepAlive = options.keepAlive * 1000 || 60000;
  this.masking = options.masking!==undefined ? options.masking : true;
  this.path = options.path || "/";
  this.protocol = options.protocol;
  this.lastData = "";
  this.secWebSocketKey = buildKey();
  this.cert = options.cert;
  this.key = options.key;
  this.ca = options.ca;
  this.connected = false || options.connected;
  this.headers = options.headers || {};
}

WebSocket.prototype.initializeConnection = function () {
  require("tls").connect({
    host: this.host,
    port: this.port,
    ca: this.ca,
    cert: this.cert,
    key: this.key
  }, this.onConnect.bind(this));
};

Espruino code:

SPI3.setup({ mosi:B5, miso:C11, sck:C10 });
var eth = require("WIZnet").connect(SPI3, D0);
eth.setIP({ip : "192.168.1.13",subnet : "255.255.255.0",gateway:"192.168.1.1",dns:"192.168.1.1"});
//ininodeku.herokuapp.com
//echo.websocket.org
var WebSocket = require('wss');
const ws = new WebSocket('93.183.80.194', {
      path: '/time/ws',
      port: 8443,
      protocolVersion: '13',
      protocol : "chat", // optional websocket protocol
      origin: '',
     // keepAlive: 60,  // Ping Interval in seconds.
     // headers:{ some:'header', 'another-header':42 } // optional websocket headers
     ca: atob("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")
    });

ws.on('message', function(message) {
    console.log('received: ', message);
});
ws.on('close', function() {
  console.log("Connection closed");
});

93.183.80.194 - real ip with Tomcat 9.0.13 and websocket (wss://93.183.80.194:8443/time/ws) + server.crt sign ca

Espruino error: mbedtls_ssl_handshake returned -0x7780.
Wireshark shows that the stage of certificate exchange is not coming !? (I'm not sure).
Tomcat responds with Handshake Failure.

Сan tomcat not like Cipher Suite: TLS_RSA_WITH_AES_256_CBC_SHA256, TLS_RSA_WITH_AES_128_CBC_SHA256 ?

But Espruino is connected to the node.js server! (certificates are the same) , node.js client and browser connects to Tomcat.

Handshake from Wireshark:
Espruino - Client Hello:

   TLSv1.2 Record Layer: Handshake Protocol: Client Hello
    Content Type: Handshake (22)
    Version: TLS 1.0 (0x0301)
    Length: 49
    Handshake Protocol: Client Hello
        Handshake Type: Client Hello (1)
        Length: 45
        Version: TLS 1.2 (0x0303)
        Random: 30de5c92dbfd4ddcb00fa82fed023683b8b899788e0e189e...
            GMT Unix Time: Dec 25, 1995 11:10:58.000000000 RTZ 2 (зима)
            Random Bytes: dbfd4ddcb00fa82fed023683b8b899788e0e189e3b5f5a72...
        Session ID Length: 0
        Cipher Suites Length: 6
        Cipher Suites (3 suites)
            Cipher Suite: TLS_RSA_WITH_AES_256_CBC_SHA256 (0x003d)
            Cipher Suite: TLS_RSA_WITH_AES_128_CBC_SHA256 (0x003c)
            Cipher Suite: TLS_EMPTY_RENEGOTIATION_INFO_SCSV (0x00ff)
        Compression Methods Length: 1
        Compression Methods (1 method)
            Compression Method: null (0)

Tomcat 9.13 - Handshake Failure:

   TLSv1.2 Record Layer: Alert (Level: Fatal, Description: Handshake Failure)
    Content Type: Alert (21)
    Version: TLS 1.2 (0x0303)
    Length: 2
    Alert Message
        Level: Fatal (2)
        Description: Handshake Failure (40)

Maybe the problem is due to version: TLS 1.0 (0x0301)?
or Random (GMT Unix Time)?
or Cipher Suites ?

Thank you!
what to do with mbedtls_ssl_handshake returned -0x7 ?

Board: STM32F4DISCOVERY + W5500 NET
Library "crypto " added to firmware (mbedtls).
SPI interface works!
Using WS and 80 port I get a response from echo.websocket.org "hello world"
Also I tried to connect to https server. It works!
but

ws = new WebSocket('wss://echo.websocket.org', {
    port: 443
});

does not work!

may be incorrect syntax or something?

I try so:

SPI3.setup({ mosi:B5, miso:C11, sck:C10 });
var eth = require("WIZnet").connect(SPI3, D0);
eth.setIP({ip : "192.168.1.13",subnet : "255.255.255.0",gateway:"192.168.1.1",dns:"192.168.1.1"});

var WebSocket = require("ws");
const ws = new WebSocket('echo.websocket.org', {
    port: 80
});

ws.on('open', function() {
    console.log('opened');
    ws.send("hello world");
});
ws.on('message', function(message) {
    console.log('received: ', message);
});

how to use WSS correctly?

ws = new WebSocket('wss://echo.websocket.org', {
    port: 443
});

???

Hi! help with the Websocket security client example.

Hi,
is it right that when irq:true, edge: 'rising' / 'falling' - does not work ?

Thank you very much for your attention!

I write from memory - a possible error in the syntax:
//wiegand.c
/*JSON{
"type" : "staticmethod",
"class" : "wiegand",
"name" : "ReadD0",
"generate" : "jswrap_ReadD0"
} */

void jswrap_ReadD0{
/ /do
}

setWatch(function(e) { wiegand.ReadD0; }, E2, { repeat:true, edge:'falling', irq : true});
setWatch(wiegand.ReadD0, E2, { repeat:true, edge:'falling', irq : true});

Espruino write:".. not native function .."
please tell me the reason?

Can I use setWatch (function, pin, {ir:true}) on stm32f4discovery, where function on C code with recompile firmware ?

probably,
and here is so can be: jsiConsolePrint(jshGetSystemTime()); ?

Hi. The Espruino extension in C/C++is required. How to get the system time that get gettime (), but in C++?