How to use the getDiffieHellman function from crypto

security.js

GitHub: shashikanduri/SN-Client

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export async function createAndComputeDHSecret(){


    try{
        const prime = crypto.getDiffieHellman('modp15').getPrime()
        const gen = crypto.getDiffieHellman('modp15').getGenerator()


        const dh = crypto.createDiffieHellman(prime, gen);
        dh.generateKeys();

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+ 7 other calls in file

test-crypto-dh-stateless.js

GitHub: vladimir-andreevich/node.js-14-windows-7

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  'c4ce8628987d335466f4b16e1a04df21682d266eb3edf50b21802be3af58443c49da40529f' +
  '8f335a25134c1457787f60e7f0c481e32bb5c690354f68b4252936e2f4b61f9e63c76e3185' +
  '462d7e14f62c980a26f9da3837b2ff1b58e0aaa5d7464a7f8dcbc3a81d402dc6f28a42f4ec' +
  '55c6df68351ed9', 'hex');


const group = crypto.getDiffieHellman('modp5');
const dh = crypto.createDiffieHellman(group.getPrime(), group.getGenerator());
dh.setPrivateKey(privateKey);


// Test simple Diffie-Hellman, no curves involved.

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+ 7 other calls in file

index.js

GitHub: mjnaylor8/django-captainslog

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var crypto = require('crypto')


// getDiffieHellman
exports.DiffieHellmanGroup = crypto.DiffieHellmanGroup
exports.createDiffieHellmanGroup = crypto.createDiffieHellmanGroup
exports.getDiffieHellman = crypto.getDiffieHellman


// createDiffieHellman
exports.createDiffieHellman = crypto.createDiffieHellman
exports.DiffieHellman = crypto.DiffieHellman

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+ 3 other calls in file

test-crypto-dh.js

GitHub: vladimir-andreevich/node.js-14-windows-7

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             'Received undefined'
  });


assert.throws(
  function() {
    crypto.getDiffieHellman('unknown-group');
  },
  {
    name: 'Error',
    code: 'ERR_CRYPTO_UNKNOWN_DH_GROUP',

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+ 20 other calls in file

test-crypto-dh-padding.js

GitHub: vladimir-andreevich/node.js-14-windows-7

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// We can generate appropriate values with this code:
//
// crypto = require('crypto');
//
// for (;;) {
//   var a = crypto.getDiffieHellman('modp14'),
//   var b = crypto.getDiffieHellman('modp14');
//
//   a.generateKeys();
//   b.generateKeys();

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+ 11 other calls in file

test-crypto-dh-hash.js

GitHub: vladimir-andreevich/node.js-14-windows-7

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  modp16: 'daea5277a7ad0116e734a8e0d2f297ef759d1161',
  modp17: '3b62aaf0142c2720f0bf26a9589b0432c00eadc1',
};


for (const name in hashes) {
  const group = crypto.getDiffieHellman(name);
  const private_key = group.getPrime('hex');
  const hash1 = hashes[name];
  const hash2 = crypto.createHash('sha1')
                    .update(private_key.toUpperCase()).digest('hex');

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test-crypto-dh-keys.js

GitHub: vladimir-andreevich/node.js-14-windows-7

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.forEach((name) => {
  // modp1 is 768 bits, FIPS requires >= 1024
  if (name === 'modp1' && common.hasFipsCrypto)
    return;
  const group1 = crypto.getDiffieHellman(name);
  const group2 = crypto.getDiffieHellman(name);
  group1.generateKeys();
  group2.generateKeys();
  const key1 = group1.computeSecret(group2.getPublicKey());
  const key2 = group2.computeSecret(group1.getPublicKey());

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+ 3 other calls in file

dh.js

GitHub: NJUyd2001/2023_NJUspringE-

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t.plan(3)
var dh1 = cryptoB.getDiffieHellman(mod)
var p1 = dh1.getPrime().toString('hex')
dh1.generateKeys()

var dh2 = crypto.getDiffieHellman(mod)
var p2 = dh2.getPrime().toString('hex')
dh2.generateKeys()
t.equals(p1, p2, 'equal primes')
var pubk1 = dh1.getPublicKey()

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