Add crypto classes and tests. Link to libgcrypt.

tests/TestSymmetricCipher.cpp

@@ -0,0 +1,52 @@
+/*
+ *  Copyright (C) 2010 Felix Geyer <debfx@fobos.de>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 2 or (at your option)
+ *  version 3 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <QtTest/QTest>
+
+#include "crypto/Crypto.h"
+#include "crypto/SymmetricCipher.h"
+
+class TestSymmetricCipher : public QObject
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+    void initTestCase();
+    void testAes256CbcEncryption();
+};
+
+void TestSymmetricCipher::initTestCase()
+{
+    Crypto::init();
+}
+
+void TestSymmetricCipher::testAes256CbcEncryption()
+{
+    // http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
+
+    QByteArray key = QByteArray::fromHex("603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4");
+    QByteArray iv = QByteArray::fromHex("000102030405060708090a0b0c0d0e0f");
+    QByteArray plain = QByteArray::fromHex("6bc1bee22e409f96e93d7e117393172a");
+
+    SymmetricCipher encrypt(SymmetricCipher::Aes256, SymmetricCipher::Cbc, SymmetricCipher::Encrypt, key, iv);
+    QCOMPARE(QString(encrypt.process(plain).toHex()),
+             QString("f58c4c04d6e5f1ba779eabfb5f7bfbd6"));
+}
+
+QTEST_MAIN(TestSymmetricCipher);
+
+#include "TestSymmetricCipher.moc"