Node.js crypto.getDiffieHellman() Method

// Node.js program to demonstrate the 
// crypto.getDiffieHellman() method

// Including crypto module
const crypto = require('crypto');

// Calling getDiffieHellman method
// with its parameter groupName
const diffiehellmangrp = crypto.getDiffieHellman('modp14');

// Prints DiffieHellmanGroup key exchange object
console.log("Key exchange object : ", diffiehellmangrp);

// Node.js program to demonstrate the 
// crypto.getDiffieHellman() method
 
// Including crypto module
const crypto = require('crypto');
 
// Calling two getDiffieHellman method
// with its parameter, groupName
const diffiehellmangrp1 = crypto.getDiffieHellman('modp14');
const diffiehellmangrp2 = crypto.getDiffieHellman('modp14');
 
// Generating keys
diffiehellmangrp1.generateKeys();
diffiehellmangrp2.generateKeys();
 
// Computing secret
const diffiehellmangrp1sc = diffiehellmangrp1
.computeSecret(diffiehellmangrp2.getPublicKey(), null, 'hex');
 
const diffiehellmangrp2sc = diffiehellmangrp2
.computeSecret(diffiehellmangrp1.getPublicKey(), null, 'hex');
 
// Checking if both the secrets are same or not
console.log(diffiehellmangrp1sc === diffiehellmangrp2sc);