1 files changed, 62 insertions, 0 deletions
diff --git a/school/node_modules/node-forge/tests/aes-speed.js b/school/node_modules/node-forge/tests/aes-speed.js
new file mode 100644
index 0000000..2049a8a
--- /dev/null
+++ b/school/node_modules/node-forge/tests/aes-speed.js
@@ -0,0 +1,62 @@
+var forge = require('../js/forge');
+
+console.log('Times in 1000s of bytes/sec processed.');
+
+aes_128('AES-CBC');
+aes_128('AES-CFB');
+aes_128('AES-OFB');
+aes_128('AES-CTR');
+aes_128('AES-GCM');
+
+function aes_128(algorithm) {
+  console.log('Running ' + algorithm + ' for 5 seconds...');
+
+  var size = 1024;
+  var key = forge.random.getBytesSync(16);
+  var iv = forge.random.getBytes(algorithm === 'AES-GCM' ? 12 : 16);
+  var plain = forge.random.getBytesSync(size);
+
+  // run for 5 seconds
+  var start = new Date().getTime();
+
+  var now;
+  var totalEncrypt = 0;
+  var totalDecrypt = 0;
+  var cipher;
+  var count = 0;
+  var passed = 0;
+  while(passed < 5000) {
+    var input = forge.util.createBuffer(plain);
+
+    // encrypt, only measuring update() and finish()
+    cipher = forge.cipher.createCipher(algorithm, key);
+    cipher.start({iv: iv});
+    now = new Date().getTime();
+    cipher.update(input);
+    cipher.finish();
+    totalEncrypt += new Date().getTime() - now;
+
+    var ciphertext = cipher.output;
+    var tag = cipher.mode.tag;
+    count += cipher.output.length();
+
+    // decrypt, only measuring update() and finish()
+    cipher = forge.cipher.createDecipher(algorithm, key);
+    cipher.start({iv: iv, tag: tag});
+    now = new Date().getTime();
+    cipher.update(ciphertext);
+    if(!cipher.finish()) {
+      throw new Error('Decryption error.');
+    }
+    totalDecrypt += new Date().getTime() - now;
+
+    passed = new Date().getTime() - start;
+  }
+
+  count = count / 1000;
+  totalEncrypt /= 1000;
+  totalDecrypt /= 1000;
+  console.log('encrypt: ' + (count / totalEncrypt) + ' k/sec');
+  console.log('decrypt: ' + (count / totalDecrypt) + ' k/sec');
+  console.log();
+}