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'use strict';
const common = require('../common.js');
const crypto = require('crypto');
const keylen = { 'aes-128-gcm': 16, 'aes-192-gcm': 24, 'aes-256-gcm': 32 };
const bench = common.createBenchmark(main, {
n: [500],
cipher: ['aes-128-gcm', 'aes-192-gcm', 'aes-256-gcm'],
len: [1024, 4 * 1024, 16 * 1024, 64 * 1024, 256 * 1024, 1024 * 1024]
});
function main({ n, len, cipher }) {
// Default cipher for tests.
if (cipher === '')
cipher = 'aes-128-gcm';
const message = Buffer.alloc(len, 'b');
const key = crypto.randomBytes(keylen[cipher]);
const iv = crypto.randomBytes(12);
const associate_data = Buffer.alloc(16, 'z');
bench.start();
AEAD_Bench(cipher, message, associate_data, key, iv, n, len);
}
function AEAD_Bench(cipher, message, associate_data, key, iv, n, len) {
const written = n * len;
const bits = written * 8;
const mbits = bits / (1024 * 1024);
for (var i = 0; i < n; i++) {
const alice = crypto.createCipheriv(cipher, key, iv);
alice.setAAD(associate_data);
const enc = alice.update(message);
alice.final();
const tag = alice.getAuthTag();
const bob = crypto.createDecipheriv(cipher, key, iv);
bob.setAuthTag(tag);
bob.setAAD(associate_data);
bob.update(enc);
bob.final();
}
bench.end(mbits);
}
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