From a17d7fdf1d3c2cf6dceebc6fa2d71879ce838a3f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Remko=20Tron=C3=A7on?= <git@el-tramo.be>
Date: Fri, 12 Aug 2011 22:31:47 +0200
Subject: Added HMAC-SHA256.


diff --git a/Swiften/StringCodecs/HMAC_SHA256.h b/Swiften/StringCodecs/HMAC_SHA256.h
new file mode 100644
index 0000000..2d856cb
--- /dev/null
+++ b/Swiften/StringCodecs/HMAC_SHA256.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2011 Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#pragma once
+
+#include <Swiften/StringCodecs/HMAC.h>
+#include <Swiften/StringCodecs/SHA256.h>
+
+namespace Swift {
+	typedef HMAC<SHA256, 64> HMAC_SHA256;
+}
diff --git a/Swiften/StringCodecs/UnitTest/HMACTest.cpp b/Swiften/StringCodecs/UnitTest/HMACTest.cpp
index 75ae23e..50b1330 100644
--- a/Swiften/StringCodecs/UnitTest/HMACTest.cpp
+++ b/Swiften/StringCodecs/UnitTest/HMACTest.cpp
@@ -12,6 +12,7 @@
 
 #include <Swiften/Base/ByteArray.h>
 #include <Swiften/StringCodecs/HMAC_SHA1.h>
+#include <Swiften/StringCodecs/HMAC_SHA256.h>
 
 using namespace Swift;
 
@@ -19,6 +20,8 @@ class HMACTest : public CppUnit::TestFixture {
 		CPPUNIT_TEST_SUITE(HMACTest);
 		CPPUNIT_TEST(testGetResult);
 		CPPUNIT_TEST(testGetResult_KeyLongerThanBlockSize);
+		CPPUNIT_TEST(testGetResult_RFC4231_1);
+		CPPUNIT_TEST(testGetResult_RFC4231_7);
 		CPPUNIT_TEST_SUITE_END();
 
 	public:
@@ -31,6 +34,16 @@ class HMACTest : public CppUnit::TestFixture {
 			ByteArray result(HMAC_SHA1()(createSafeByteArray("---------|---------|---------|---------|---------|----------|---------|"), createByteArray("foobar")));
 			CPPUNIT_ASSERT_EQUAL(createByteArray("\xd6""n""\x8f""P|1""\xd3"",""\x6"" ""\xb9\xe3""gg""\x8e\xcf"" ]+""\xa"), result);
 		}
+
+		void testGetResult_RFC4231_1() {
+			ByteArray result(HMAC_SHA256()(createSafeByteArray("\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b", 20), createByteArray("Hi There")));
+			CPPUNIT_ASSERT_EQUAL(createByteArray("\xb0\x34\x4c\x61\xd8\xdb\x38\x53\x5c\xa8\xaf\xce\xaf\x0b\xf1\x2b\x88\x1d\xc2\x00\xc9\x83\x3d\xa7\x26\xe9\x37\x6c\x2e\x32\xcf\xf7", 32), result);
+		}
+
+		void testGetResult_RFC4231_7() {
+			ByteArray result(HMAC_SHA256()(createSafeByteArray("\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa", 131), createByteArray("This is a test using a larger than block-size key and a larger than block-size data. The key needs to be hashed before being used by the HMAC algorithm.")));
+			CPPUNIT_ASSERT_EQUAL(createByteArray("\x9b\x09\xff\xa7\x1b\x94\x2f\xcb\x27\x63\x5f\xbc\xd5\xb0\xe9\x44\xbf\xdc\x63\x64\x4f\x07\x13\x93\x8a\x7f\x51\x53\x5c\x3a\x35\xe2", 32), result);
+		}
 };
 
 CPPUNIT_TEST_SUITE_REGISTRATION(HMACTest);
-- 
cgit v0.10.2-6-g49f6