1// Copyright Joyent, Inc. and other Node contributors. 2// 3// Permission is hereby granted, free of charge, to any person obtaining a 4// copy of this software and associated documentation files (the 5// "Software"), to deal in the Software without restriction, including 6// without limitation the rights to use, copy, modify, merge, publish, 7// distribute, sublicense, and/or sell copies of the Software, and to permit 8// persons to whom the Software is furnished to do so, subject to the 9// following conditions: 10// 11// The above copyright notice and this permission notice shall be included 12// in all copies or substantial portions of the Software. 13// 14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20// USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22'use strict'; 23const common = require('../common'); 24if (!common.hasCrypto) 25 common.skip('missing crypto'); 26 27const assert = require('assert'); 28const crypto = require('crypto'); 29 30// FIPS requires length >= 1024 but we use 256 in this test to keep it from 31// taking too long and timing out in CI. 32const length = common.hasFipsCrypto ? 1024 : 256; 33 34const p = crypto.createDiffieHellman(length).getPrime(); 35 36for (let i = 0; i < 2000; i++) { 37 const a = crypto.createDiffieHellman(p); 38 const b = crypto.createDiffieHellman(p); 39 40 a.generateKeys(); 41 b.generateKeys(); 42 43 const aSecret = a.computeSecret(b.getPublicKey()); 44 const bSecret = b.computeSecret(a.getPublicKey()); 45 46 assert.deepStrictEqual( 47 aSecret, 48 bSecret, 49 'Secrets should be equal.\n' + 50 `aSecret: ${aSecret.toString('base64')}\n` + 51 `bSecret: ${bSecret.toString('base64')}` 52 ); 53} 54