O server.getTicketKeys() é uma interface de programação de aplicativo embutida da classe Socket dentro do módulo tls que é usada para obter um buffer de 48 bytes contendo as chaves de tíquete de sessão.

Sintaxe:

const server.getTicketKeys()

Parâmetros: este método não aceita nenhum parâmetro.

Valor de retorno : este método retorna um buffer de 48 bytes contendo as chaves de tíquete de sessão.

Como gerar chave privada e certificado público?

1. Chave privada: Abra o bloco de notas e copie e cole a seguinte chave:

   ----- BEGIN RSA PRIVATE KEY -----
   MIICXQIBAAKBgQC38R9wXcUbhOd44FavgmE5R3K4JeYOHLnI7dUq1B8 / Gv7l3SOg
   JKef / m9gM1KvUx951mapXGtcWgwB08J3vUE2YOZ4tWJArrVZES0BI / RmFAyhQFP5
   HcWl3LSM9LRihP98F33oIkKaCxA5LxOrkgpV4HrUzIKTABDYah7RPex1WQIDAQAB
   AoGBAIXR71xxa9gUfc5L7 + TqBs + EMmrUb6Vusp8CoGXzQvRHMJCMrMFySV0131Nu
   o0YYRDsAh1nJefYLMNcXd1BjqI + qY8IeRsxaY + 9CB2KKGVVDO2uLdurdC2ZdlWXT
   Vwr3dDoyR0trnXJMmH2ijTeO6bush8HuXxvxJBjvEllM5QYxAkEA3jwny9JP + RFu
   0rkqPBe / wi5pXpPl7PUtdNAGrh6S5958wUoR4f9bvwmTBv1nQzExKWu4EIp + 7vjJ
   fBeRZhnBvQJBANPjjge8418PS9zAFyKlITq6cxmM4gOWeveQZwXVNvav0NH + OKdQ
   sZnnDiG26JWmnD / B8Audu97LcxjxcWI8Jc0CQEYA5PhLU229lA9EzI0JXhoozIBC
   TlcKFDuLm88VSmlHqDyqvF9YNOpEdc / p2rFLuZS2ndB4D + vu6mjwc5iZ3HECQCxy
   GBHRclQ3Ti9w76lpv + 2kvI4IekRMZWDWnnWfwta + DGxwCgw2pfpleBZkWqdBepb5
   JFQbcxQJ0wvRYXo8qaUCQQCgTvWswBj6OTP7LTvBlU1teAN2Lnrk / N5AYHZIXW6m
   nUG9lYvH7DztWDTioXMrruPF7bdXfZOVJD8t0I4OUzvC
   ----- END RSA PRIVATE KEY -----

   Salvar arquivo como chave privada.pem

2. Certificado público: Abra o bloco de notas e copie e cole a seguinte chave:

   ----- BEGIN CERTIFICATE -----
   MIICfzCCAegCCQDxxeXw914Y2DANBgkqhkiG9w0BAQsFADCBgzELMAkGA1UEBhMC
   SU4xEzARBgNVBAgMCldlc3RiZW5nYWwxEDAOBgNVBAcMB0tvbGthdGExFDASBgNV
   BAoMC1BhbmNvLCBJbmMuMRUwEwYDVQQDDAxSb2hpdCBQcmFzYWQxIDAeBgkqhkiG
   9w0BCQEWEXJvZm9mb2ZAZ21haWwuY29tMB4XDTIwMDkwOTA1NTExN1oXDTIwMTAw
   OTA1NTExN1owgYMxCzAJBgNVBAYTAklOMRMwEQYDVQQIDApXZXN0YmVuZ2FsMRAw
   DgYDVQQHDAdLb2xrYXRhMRQwEgYDVQQKDAtQYW5jbywgSW5jLjEVMBMGA1UEAwwM
   Um9oaXQgUHJhc2FkMSAwHgYJKoZIhvcNAQkBFhFyb2ZvZm9mQGdtYWlsLmNvbTCB
   nzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAt / EfcF3FG4TneOBWr4JhOUdyuCXm
   Dhy5yO3VKtQfPxr + 5d0joCSnn / 5vYDNSr1MfedZmqVxrXFoMAdPCd71BNmDmeLVi
   QK61WREtASP0ZhQMoUBT + R3Fpdy0jPS0YoT / fBd96CJCmgsQOS8Tq5IKVeB61MyC
   kwAQ2Goe0T3sdVkCAwEAATANBgkqhkiG9w0BAQsFAAOBgQATe6ixdAjoV7BSHgRX
   bXM2 + IZLq8kq3s7ck0EZrRVhsivutcaZwDXRCCinB + OlPedbzXwNZGvVX0nwPYHG
   BfiXwdiuZeVJ88ni6Fm6RhoPtu2QF1UExfBvSXuMBgR + evp + e3QadNpGx6Ppl1aC
   hWF6W2H9 + MAlU7yvtmCQQuZmfQ ==
   ----- CERTIFICADO FINAL -----

   Salvar arquivo como public-cert.pem

Exemplo 1: Nome do arquivo: index.js

// Node.js program to demonstrate the
// server.close() method
  
var tls = require('tls'),
    fs = require('fs'),
  
// Port and host address for server    
PORT = 1337,
HOST = '127.0.0.1';
   
// Private key and public certificate for access
var options = {
  key: fs.readFileSync('private-key.pem'),
  cert: fs.readFileSync('public-cert.pem'),
  rejectUnauthorized: false
};
  
// Creating and initializing server
var server = tls.createServer(options, function(socket) {
  
  // Print the data that we received
  socket.on('data', function(data) {
     console.log('\nReceived: %s ',
     data.toString().replace(/(\n)/gm, ""));
  });
  
  // Stopping the server
  // by using the close() method
  server.close();
  
});
  
// Getting session key 
// by using getTicketKeys() method
const value1 = server.getTicketKeys();
console.log(value1)
  
// Close event
server.on('close', () => {
  console.log("Server closed successfully");
})
  
// Start listening on a specific port and address
server.listen(PORT, HOST, function() {
  console.log("I'm listening at %s, on port %s", HOST, PORT);
});
  
// Creating and initializing client
var client = tls.connect(PORT, HOST, options, function() {
    
  // Getting the bound address 
  // by using address method
  const value = client.address();
  client.write("Bound address : " + value)
  client.end();
});

Saída:

<Buffer 72 59 e4 89 85 0f ae fb eb e6 cb 3a 1a bf 92 19 2f ab 97 be 5d 10 19 50 cc 0f 98 d3 27 fe 9c 68 2a 31 f3 e8 17 ​​b7 77 38 88 f0 28 64 90 1c 36 40 >
Estou ouvindo em 127.0.0.1, na porta 1337

Recebido: Endereço vinculado: [objeto objeto]
Servidor fechado com sucesso

Exemplo 2: Nome do arquivo: index.js

// Node.js program to demonstrate the
// server.close() method
  
var tls = require('tls'),
    fs = require('fs'),
  
// Port and host address for server    
PORT = 1337,
HOST = '127.0.0.1',
value = null;
   
// Private key and public certificate for access
var options = {
  key: fs.readFileSync('private-key.pem'),
  cert: fs.readFileSync('public-cert.pem'),
  rejectUnauthorized: false
};
  
// Creating and initializing server
var server = tls.createServer(options, function(socket) {
  
  // Print the data that we received
  socket.on('data', function(data) {
     console.log('\nReceived: %s ',
     data.toString());
  });
  
  // Stopping the server
  // by using the close() method
  server.close();
});
  
// getting session key 
// by using getTicketKeys() method
value = server.getTicketKeys();
  
// Start listening on a specific port and address
server.listen(PORT, HOST, function() {
  console.log("I'm listening at %s, on port %s", HOST, PORT);
});
  
// Creating and initializing client
var client = tls.connect(PORT, HOST, options, function() {
  client.write("Session key : " + value[0])
  client.end();
});

Execute o arquivo index.js usando o seguinte comando:

node index.js

Saída:

I'm listening at 127.0.0.1, on port 1337

Received: Session key : 222

Referência: https://nodejs.org/dist/latest-v12.x/docs/api/tls.html#tls_server_getticketkeys