gistfile1.js

var https = require('https'),
    path = require("path"),
    fs = require("fs"),
    crypto = require("crypto");

function getCredentialsContext(cer){
  var r = crypto.createCredentials({
        key:  fs.readFileSync(path.join(__dirname, 'certs', cer + '.nopass.key')),
        cert: fs.readFileSync(path.join(__dirname, 'certs', cer + '.crt'))
      }).context;
  r.name = cer;
  return r;
}

var certs = {
  "foobarbaz.com": getCredentialsContext("cer1"),
  "default": getCredentialsContext("cer2")
};

var options = {
  SNICallback: function(hostname){
    var cert =  certs[hostname] || certs["default"];
    console.log("using:", cert.name, "for:", hostname);
    return cert;
  }
};

https.createServer(options, function (req, res) {
  res.writeHead(200);
  res.end("hello world\n");
}).listen(8002);

console.log("listening on 8002");