benchmark: add rsa/aes-gcm performance test

PR-URL: https://github.com/iojs/io.js/pull/1325
Reviewed-By: Fedor Indutny <fedor@indutny.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

1 files changed, 45 insertions, 0 deletions

diff --git a/benchmark/crypto/rsa-encrypt-decrypt-throughput.js b/benchmark/crypto/rsa-encrypt-decrypt-throughput.js
new file mode 100644
index 0000000000..1cd7a5e632
--- /dev/null
+++ b/benchmark/crypto/rsa-encrypt-decrypt-throughput.js
@@ -0,0 +1,45 @@
+// throughput benchmark in signing and verifying
+var common = require('../common.js');
+var crypto = require('crypto');
+var fs = require('fs');
+var path = require('path');
+var fixtures_keydir = path.resolve(__dirname, '../../test/fixtures/keys/');
+var keylen_list = ['1024', '2048', '4096'];
+var RSA_PublicPem = {};
+var RSA_PrivatePem = {};
+
+keylen_list.forEach(function(key) {
+  RSA_PublicPem[key] = fs.readFileSync(fixtures_keydir +
+                                       '/rsa_public_' + key + '.pem');
+  RSA_PrivatePem[key] = fs.readFileSync(fixtures_keydir +
+                                        '/rsa_private_' + key + '.pem');
+});
+
+var bench = common.createBenchmark(main, {
+  n: [500],
+  keylen: keylen_list,
+  len: [16, 32, 64]
+});
+
+function main(conf) {
+  var crypto = require('crypto');
+  var message = (new Buffer(conf.len)).fill('b');
+
+  bench.start();
+  StreamWrite(conf.algo, conf.keylen, message, conf.n, conf.len);
+}
+
+function StreamWrite(algo, keylen, message, n, len) {
+  var written = n * len;
+  var bits = written * 8;
+  var kbits = bits / (1024);
+
+  var privateKey = RSA_PrivatePem[keylen];
+  var publicKey = RSA_PublicPem[keylen];
+  for (var i = 0; i < n; i++) {
+    var enc = crypto.privateEncrypt(privateKey, message);
+    var clear = crypto.publicDecrypt(publicKey, enc);
+  }
+
+  bench.end(kbits);
+}