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53 lines
1.6 KiB
53 lines
1.6 KiB
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const crypto = require('crypto');
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if (!common.hasCrypto) {
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common.skip('node compiled without OpenSSL.');
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return;
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}
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assert.throws(function() {
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crypto.getDiffieHellman('unknown-group');
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});
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assert.throws(function() {
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crypto.getDiffieHellman('modp1').setPrivateKey('');
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});
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assert.throws(function() {
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crypto.getDiffieHellman('modp1').setPublicKey('');
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});
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var hashes = {
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modp1: '630e9acd2cc63f7e80d8507624ba60ac0757201a',
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modp2: '18f7aa964484137f57bca64b21917a385b6a0b60',
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modp5: 'c0a8eec0c2c8a5ec2f9c26f9661eb339a010ec61',
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modp14: 'af5455606fe74cec49782bb374e4c63c9b1d132c',
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modp15: '7bdd39e5cdbb9748113933e5c2623b559c534e74',
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modp16: 'daea5277a7ad0116e734a8e0d2f297ef759d1161',
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modp17: '3b62aaf0142c2720f0bf26a9589b0432c00eadc1',
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modp18: 'a870b491bbbec9b131ae9878d07449d32e54f160'
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};
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for (const name in hashes) {
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var group = crypto.getDiffieHellman(name);
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var private_key = group.getPrime('hex');
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var hash1 = hashes[name];
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var hash2 = crypto.createHash('sha1')
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.update(private_key.toUpperCase()).digest('hex');
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assert.equal(hash1, hash2);
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assert.equal(group.getGenerator('hex'), '02');
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}
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for (const name in hashes) {
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// modp1 is 768 bits, FIPS requires >= 1024
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if (name === 'modp1' && common.hasFipsCrypto)
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continue;
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var group1 = crypto.getDiffieHellman(name);
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var group2 = crypto.getDiffieHellman(name);
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group1.generateKeys();
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group2.generateKeys();
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var key1 = group1.computeSecret(group2.getPublicKey());
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var key2 = group2.computeSecret(group1.getPublicKey());
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assert.deepStrictEqual(key1, key2);
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}
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