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'); 24 25if (!common.hasCrypto) 26 common.skip('node compiled without OpenSSL.'); 27 28const assert = require('assert'); 29const crypto = require('crypto'); 30 31// This test verifies padding with leading zeroes for shared 32// secrets that are strictly smaller than the modulus (prime). 33// See: 34// RFC 4346: https://www.ietf.org/rfc/rfc4346.txt 35// https://github.com/nodejs/node-v0.x-archive/issues/7906 36// https://github.com/nodejs/node-v0.x-archive/issues/5239 37// 38// In FIPS mode OPENSSL_DH_FIPS_MIN_MODULUS_BITS = 1024, meaning we need 39// a FIPS-friendly >= 1024 bit prime, we can use MODP 14 from RFC 3526: 40// https://www.ietf.org/rfc/rfc3526.txt 41// 42// We can generate appropriate values with this code: 43// 44// crypto = require('crypto'); 45// 46// for (;;) { 47// var a = crypto.getDiffieHellman('modp14'), 48// var b = crypto.getDiffieHellman('modp14'); 49// 50// a.generateKeys(); 51// b.generateKeys(); 52// 53// var aSecret = a.computeSecret(b.getPublicKey()).toString('hex'); 54// console.log("A public: " + a.getPublicKey().toString('hex')); 55// console.log("A private: " + a.getPrivateKey().toString('hex')); 56// console.log("B public: " + b.getPublicKey().toString('hex')); 57// console.log("B private: " + b.getPrivateKey().toString('hex')); 58// console.log("A secret: " + aSecret); 59// console.log('-------------------------------------------------'); 60// if(aSecret.substring(0,2) === "00") { 61// console.log("found short key!"); 62// return; 63// } 64// } 65 66const apub = 67'5484455905d3eff34c70980e871f27f05448e66f5a6efbb97cbcba4e927196c2bd9ea272cded91\ 6810a4977afa8d9b16c9139a444ed2d954a794650e5d7cb525204f385e1af81530518563822ecd0f9\ 69524a958d02b3c269e79d6d69850f0968ad567a4404fbb0b19efc8bc73e267b6136b88cafb33299f\ 70f7c7cace3ffab1a88c2c9ee841f88b4c3679b4efc465f5c93cca11d487be57373e4c5926f634c4e\ 71efee6721d01db91cd66321615b2522f96368dbc818875d422140d0edf30bdb97d9721feddcb9ff6\ 72453741a4f687ee46fc54bf1198801f1210ac789879a5ee123f79e2d2ce1209df2445d32166bc9e4\ 738f89e944ec9c3b2e16c8066cd8eebd4e33eb941'; 74const bpub = 75'3fca64510e36bc7da8a3a901c7b74c2eabfa25deaf7cbe1d0c50235866136ad677317279e1fb0\ 7606e9c0a07f63e14a3363c8e016fbbde2b2c7e79fed1cc3e08e95f7459f547a8cd0523ee9dc744d\ 77e5a956d92b937db4448917e1f6829437f05e408ee7aea70c0362b37370c7c75d14449d8b2d2133\ 7804ac972302d349975e2265ca7103cfebd019d9e91234d638611abd049014f7abf706c1c5da6c88\ 79788a1fdc6cdf17f5fffaf024ce8711a2ebde0b52e9f1cb56224483826d6e5ac6ecfaae07b75d20\ 806e8ac97f5be1a5b68f20382f2a7dac189cf169325c4cf845b26a0cd616c31fec905c5d9035e5f7\ 818e9880c812374ac0f3ca3d365f06e4be526b5affd4b79'; 82const apriv = 83'62411e34704637d99c6c958a7db32ac22fcafafbe1c33d2cfdb76e12ded41f38fc16b792b9041\ 842e4c82755a3815ba52f780f0ee296ad46e348fc4d1dcd6b64f4eea1b231b2b7d95c5b1c2e26d34\ 8583520558b9860a6eb668f01422a54e6604aa7702b4e67511397ef3ecb912bff1a83899c5a5bfb2\ 860ee29249a91b8a698e62486f7009a0e9eaebda69d77ecfa2ca6ba2db6c8aa81759c8c90c675979\ 8708c3b3e6fc60668f7be81cce6784482af228dd7f489005253a165e292802cfd0399924f6c56827\ 887012f68255207722355634290acc7fddeefbba75650a85ece95b6a12de67eac016ba78960108dd\ 895dbadfaa43cc9fed515a1f307b7d90ae0623bc7b8cefb'; 90const secret = 91'00c37b1e06a436d6717816a40e6d72907a6f255638b93032267dcb9a5f0b4a9aa0236f3dce63b\ 921c418c60978a00acd1617dfeecf1661d8a3fafb4d0d8824386750f4853313400e7e4afd22847e4\ 93fa56bc9713872021265111906673b38db83d10cbfa1dea3b6b4c97c8655f4ae82125281af7f234\ 948916a15c6f95649367d169d587697480df4d10b381479e86d5518b520d9d8fb764084eab518224\ 95dc8fe984ddaf532fc1531ce43155fa0ab32532bf1ece5356b8a3447b5267798a904f16f3f4e635\ 96597adc0179d011132dcffc0bbcb0dd2c8700872f8663ec7ddd897c659cc2efebccc73f38f0ec96\ 978612314311231f905f91c63a1aea52e0b60cead8b57df'; 98 99/* FIPS-friendly 2048 bit prime */ 100const p = crypto.createDiffieHellman( 101 crypto.getDiffieHellman('modp14').getPrime()); 102 103p.setPublicKey(apub, 'hex'); 104p.setPrivateKey(apriv, 'hex'); 105 106assert.strictEqual( 107 p.computeSecret(bpub, 'hex', 'hex').toString('hex'), 108 secret 109); 110