| // Copyright Joyent, Inc. and other Node contributors. |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a |
| // copy of this software and associated documentation files (the |
| // "Software"), to deal in the Software without restriction, including |
| // without limitation the rights to use, copy, modify, merge, publish, |
| // distribute, sublicense, and/or sell copies of the Software, and to permit |
| // persons to whom the Software is furnished to do so, subject to the |
| // following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included |
| // in all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN |
| // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
| // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| // USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| 'use strict'; |
| const common = require('../common'); |
| if (!common.hasCrypto) |
| common.skip('node compiled without OpenSSL.'); |
| |
| const assert = require('assert'); |
| const crypto = require('crypto'); |
| |
| assert.throws( |
| function() { |
| crypto.getDiffieHellman('unknown-group'); |
| }, |
| /^Error: Unknown group$/, |
| 'crypto.getDiffieHellman(\'unknown-group\') ' + |
| 'failed to throw the expected error.' |
| ); |
| assert.throws( |
| function() { |
| crypto.getDiffieHellman('modp1').setPrivateKey(''); |
| }, |
| new RegExp('^TypeError: crypto\\.getDiffieHellman\\(\\.\\.\\.\\)\\.' + |
| 'setPrivateKey is not a function$'), |
| 'crypto.getDiffieHellman(\'modp1\').setPrivateKey(\'\') ' + |
| 'failed to throw the expected error.' |
| ); |
| assert.throws( |
| function() { |
| crypto.getDiffieHellman('modp1').setPublicKey(''); |
| }, |
| new RegExp('^TypeError: crypto\\.getDiffieHellman\\(\\.\\.\\.\\)\\.' + |
| 'setPublicKey is not a function$'), |
| 'crypto.getDiffieHellman(\'modp1\').setPublicKey(\'\') ' + |
| 'failed to throw the expected error.' |
| ); |
| |
| const hashes = { |
| modp1: '630e9acd2cc63f7e80d8507624ba60ac0757201a', |
| modp2: '18f7aa964484137f57bca64b21917a385b6a0b60', |
| modp5: 'c0a8eec0c2c8a5ec2f9c26f9661eb339a010ec61', |
| modp14: 'af5455606fe74cec49782bb374e4c63c9b1d132c', |
| modp15: '7bdd39e5cdbb9748113933e5c2623b559c534e74', |
| modp16: 'daea5277a7ad0116e734a8e0d2f297ef759d1161', |
| modp17: '3b62aaf0142c2720f0bf26a9589b0432c00eadc1', |
| modp18: 'a870b491bbbec9b131ae9878d07449d32e54f160' |
| }; |
| |
| 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'); |
| assert.strictEqual(hash1, hash2); |
| assert.strictEqual(group.getGenerator('hex'), '02'); |
| } |
| |
| for (const name in hashes) { |
| // modp1 is 768 bits, FIPS requires >= 1024 |
| if (name === 'modp1' && common.hasFipsCrypto) |
| continue; |
| 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()); |
| assert.deepStrictEqual(key1, key2); |
| } |