1 files changed, 70 insertions, 0 deletions
diff --git a/test/simple/test-crypto-dh.js b/test/simple/test-crypto-dh.js
new file mode 100644
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+++ b/test/simple/test-crypto-dh.js
@@ -0,0 +1,70 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('../common');
+var assert = require('assert');
+
+try {
+  var crypto = require('crypto');
+} catch (e) {
+  console.log('Not compiled with OPENSSL support.');
+  process.exit();
+}
+
+assert.throws(function() {
+  crypto.getDiffieHellman('unknown-group');
+});
+assert.throws(function() {
+  crypto.getDiffieHellman('modp1').setPrivateKey('');
+});
+assert.throws(function() {
+  crypto.getDiffieHellman('modp1').setPublicKey('');
+});
+
+var hashes = {
+  modp1 : "b4b330a6ffeacfbd861e7fe2135b4431",
+  modp2 : "7c3c5cad8b9f378d88f1dd64a4b6413a",
+  modp5 : "b1d2acc22c542e08669a5c5ae812694d",
+  modp14 : "8d041538cecc1a7d915ba4b718f8ad20",
+  modp15 : "dc3b93def24e078c4fbf92d5e14ba69b",
+  modp16 : "a273487f46f699461f613b3878d9dfd9",
+  modp17 : "dc76e09935310348c492de9bd82014d0",
+  modp18 : "db08973bfd2371758a69db180871c993"
+}
+
+for (var name in hashes) {
+  var group = crypto.getDiffieHellman(name);
+  var private_key = group.getPrime('hex');
+  var hash1 = hashes[name];
+  var hash2 = crypto.createHash('md5').update(private_key.toUpperCase()).digest('hex');
+  assert.equal(hash1, hash2);
+  assert.equal(group.getGenerator('hex'), '02');
+}
+
+for (var name in hashes) {
+  var group1 = crypto.getDiffieHellman(name);
+  var group2 = crypto.getDiffieHellman(name);
+  group1.generateKeys();
+  group2.generateKeys();
+  var key1 = group1.computeSecret(group2.getPublicKey());
+  var key2 = group2.computeSecret(group1.getPublicKey());
+  assert.equal(key1, key2);
+}