started nacl unit tests

src/js/crypto/nacl-crypto.js

@@ -0,0 +1,29 @@
+/**
+ * A Wrapper for NaCl's asymmetric/symmetric crypto
+ */
+app.crypto.NaclCrypto = function() {
+	'use strict';
+
+	/**
+	 * Encrypt a String with the provided keysize (e.g. 128, 256)
+	 * @param plaintext [String] The input string in UTF8
+	 * @param key [String] The base64 encoded key
+	 * @param iv [String] The base64 encoded IV
+	 * @return [String] The base64 encoded ciphertext
+	 */
+	this.encrypt = function(plaintext, key, iv) {
+
+	};
+
+	/**
+	 * Decrypt a String with the provided keysize (e.g. 128, 256)
+	 * @param ciphertext [String] The base64 encoded ciphertext
+	 * @param key [String] The base64 encoded key
+	 * @param iv [String] The base64 encoded IV
+	 * @return [String] The decrypted plaintext in UTF8
+	 */
+	this.decrypt = function(ciphertext, key, iv) {
+
+	};
+
+};

src/test/unit/index.html

@@ -40,6 +40,8 @@
   <script src="../../lib/sjcl/codecString.js"></script>
   <script src="../../lib/sjcl/aes.js"></script>
   <script src="../../lib/sjcl/ccm.js"></script>
+
+  <script src="../../lib/nacl.js"></script>
   
   <script src="../../lib/uuid.js"></script>
   <script src="../../lib/openpgp.min.js"></script>
@@ -59,6 +61,7 @@
   <script src="../../js/crypto/aes-cbc.js"></script>
   <script src="../../js/crypto/aes-ccm.js"></script>
   <script src="../../js/crypto/aes-gcm.js"></script>
+  <script src="../../js/crypto/nacl-crypto.js"></script>
   <script src="../../js/crypto/crypto.js"></script>
   
   <script src="../../js/dao/localstorage-dao.js"></script>
@@ -71,6 +74,7 @@
   <script src="../test-data.js"></script>
   <script src="util-test.js"></script>
   <script src="aes-test.js"></script>
+  <script src="nacl-crypto-test.js"></script>
   <script src="crypto-test.js"></script>
   <script src="localstorage-dao-test.js"></script>
   <script src="lawnchair-dao-test.js"></script>

src/test/unit/nacl-crypto-test.js

@@ -0,0 +1,42 @@
+module("NaCl Crypto");
+
+var nacl_test = {
+	keySize: 128
+};
+
+test("Init", 1, function() {
+	// init dependencies
+	nacl_test.util = new app.crypto.Util(window, uuid);
+	ok(nacl_test.util, 'Util');
+	// generate test data
+	nacl_test.test_message = new TestData().generateBigString(1000);
+});
+
+test("Generate Keypiar", 1, function() {
+	// generate keypair from seed
+	var keys = nacl.crypto_box_keypair();
+	ok(keys.boxSk && keys.boxPk, "Keysize: " + keys.boxPk.length);
+	nacl_test.keys = keys;
+});
+
+test("En/Decrypt", 2, function() {
+	var naclCrypto = new app.crypto.NaclCrypto();
+
+	var plaintext = nacl_test.test_message;
+	// var key = nacl_test.util.random(nacl_test.keySize);
+	// var iv = nacl_test.util.random(104);
+
+	// convert utf8 string to Uint8Array 
+	var pt = nacl.encode_utf8(plaintext);
+	// generate nonce
+	var nonce = nacl.crypto_secretbox_random_nonce();
+	// encrypt
+	var ct = nacl.crypto_secretbox(pt, nonce, nacl_test.keys.boxSk);
+	ok(ct, 'Ciphertext length: ' + ct.length);
+
+	// decrypt
+	var decryptedBuf = nacl.crypto_secretbox_open(ct, nonce, nacl_test.keys.boxSk);
+	var decrypted = nacl.decode_utf8(decryptedBuf);
+	equal(decrypted, plaintext, 'Decryption correct: ' + decrypted);
+
+});