Node.js diffieHellman.getPrime() Method

// Node.js program to demonstrate the
// diffieHellman.getPrime() method

// Destructure createDiffieHellman method from crypto
const { createDiffieHellman } = require('crypto');

// Instances of the DiffieHellman class
const dh = createDiffieHellman(512);

// Generate dh's Prime

// No encoding specified
// Return Buffer
let dhPrime = dh.getPrime()
console.log('\nIs Buffer return ( encoding not specified ) : ' +
    Buffer.isBuffer(dhPrime)) // true
console.log('Return value :')
console.log(dhPrime)

// Encoding specified 
// Return String
dhPrime = dh.getPrime('base64')
console.log('\nIs Buffer return ( encoding specified ): ' +
    Buffer.isBuffer(dhPrime)) // true
console.log('Return value :')
console.log(dhPrime)

// Node.js program to demonstrate the
// diffieHellman.getPrime() method

// Destructure createDiffieHellman method from crypto
const { createDiffieHellman } = require('crypto');

// Generate Alice's keys...
const alice = createDiffieHellman(512);
// Generate Alices's Prime
const alicePrime = alice.getPrime();
// Generate Alice's Generator
const aliceGenerator =  alice.getGenerator()
// Generate Alice's Key
const aliceKey = alice.generateKeys();

// Generate Bob's keys...
const bob = createDiffieHellman( alicePrime, aliceGenerator );
// Generate Bobs's Prime
const bobPrime = bob.getPrime();
// Generate Bob's Generator
const bobGenerator =  bob.getGenerator()
// Generate Bob's Key
const bobKey = bob.generateKeys();

// Exchange and generate the secret...
const aliceSecret = alice.computeSecret(bobKey);
const bobSecret = bob.computeSecret(aliceKey);

let isSymmetric = 
    aliceSecret.toString('hex') == bobSecret.toString('hex')

console.log( `Is Symmetric key generation 
    successful : ${ isSymmetric }` ); // true