node/test/parallel/test-crypto-dh-leak.js

31 lines
943 B
JavaScript

// Flags: --expose-gc --noconcurrent_recompilation
'use strict';
const common = require('../common');
if (!common.hasCrypto)
common.skip('missing crypto');
if (common.isASan)
common.skip('ASan messes with memory measurements');
const assert = require('assert');
const crypto = require('crypto');
const { hasOpenSSL3 } = require('../common/crypto');
const before = process.memoryUsage.rss();
{
const size = crypto.getFips() || hasOpenSSL3 ? 1024 : 256;
const dh = crypto.createDiffieHellman(size);
const publicKey = dh.generateKeys();
const privateKey = dh.getPrivateKey();
for (let i = 0; i < 5e4; i += 1) {
dh.setPublicKey(publicKey);
dh.setPrivateKey(privateKey);
}
}
globalThis.gc();
const after = process.memoryUsage.rss();
// RSS should stay the same, ceteris paribus, but allow for
// some slop because V8 mallocs memory during execution.
assert(after - before < 10 << 21, `before=${before} after=${after}`);