getPeerCertificate example

getPeerCertificate.js

var https = require('https'),
    fs = require('fs');

var options = {
  key: fs.readFileSync('./ssl/privatekey.pem'),
  cert: fs.readFileSync('./ssl/certificate.pem'),
  requestCert: true
};

https.createServer(options, function (req, res) {
  res.end(req.connection.getPeerCertificate());
}).listen(8000);