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// 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('missing crypto');
const assert = require('assert');
const crypto = require('crypto');
// FIPS requires length >= 1024 but we use 256 in this test to keep it from
// taking too long and timing out in CI.
const length = common.hasFipsCrypto ? 1024 : 256;
const p = crypto.createDiffieHellman(length).getPrime();
for (let i = 0; i < 2000; i++) {
const a = crypto.createDiffieHellman(p);
const b = crypto.createDiffieHellman(p);
a.generateKeys();
b.generateKeys();
const aSecret = a.computeSecret(b.getPublicKey());
const bSecret = b.computeSecret(a.getPublicKey());
assert.deepStrictEqual(
aSecret,
bSecret,
'Secrets should be equal.\n' +
`aSecret: ${aSecret.toString('base64')}\n` +
`bSecret: ${bSecret.toString('base64')}`
);
}