crypto: discover hashes and ciphers from providers

benchmark/crypto/create-cipheriv.js

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+'use strict';
+
+const common = require('../common.js');
+const assert = require('node:assert');
+const {
+  createCipheriv,
+  createDecipheriv,
+  getCiphers,
+} = require('node:crypto');
+
+const configurations = {
+  'aes-128-cbc': { keyLength: 16, ivLength: 16 },
+  'aes-128-gcm': { keyLength: 16, ivLength: 12 },
+  'aes-128-cbc-cts': { keyLength: 16, ivLength: 16 },
+  'aes-128-wrap-inv': { keyLength: 16, ivLength: 8 },
+  'aes128-wrap-inv': {
+    keyLength: 16,
+    ivLength: 8,
+    warmupCipher: 'aes-128-wrap-inv',
+  },
+};
+
+const ciphers = ['aes-128-cbc', 'aes-128-gcm'];
+const availableCiphers = new Set(getCiphers());
+for (const cipher of [
+  'aes-128-cbc-cts',
+  'aes-128-wrap-inv',
+  'aes128-wrap-inv',
+]) {
+  if (availableCiphers.has(cipher)) {
+    ciphers.push(cipher);
+  }
+}
+
+const bench = common.createBenchmark(main, {
+  n: [1e5],
+  cipher: ciphers,
+  operation: ['encrypt', 'decrypt'],
+});
+
+function main({ n, cipher, operation }) {
+  const {
+    keyLength,
+    ivLength,
+    warmupCipher = cipher,
+  } = configurations[cipher];
+  const key = Buffer.alloc(keyLength);
+  const iv = Buffer.alloc(ivLength);
+  const results = new Array(n);
+  const method = operation === 'encrypt' ? createCipheriv : createDecipheriv;
+
+  const warmup = method(warmupCipher, key, iv);
+  assert.strictEqual(typeof warmup, 'object');
+
+  bench.start();
+  for (let i = 0; i < n; ++i) {
+    results[i] = method(cipher, key, iv);
+  }
+  bench.end(n);
+
+  assert.strictEqual(typeof results[n - 1], 'object');
+}