/**
 * Copyright (C)  2004-2006  Brad Hards <bradh@frogmouth.net>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <QTest>
#include <QtCrypto>

#ifdef QT_STATICPLUGIN
#include "import_plugins.h"
#endif

class KeyGenUnitTest : public QObject
{
    Q_OBJECT

private Q_SLOTS:
    void initTestCase();
    void cleanupTestCase();
    void testRSA();
    void testDSA();
    void testDH();

private:
    QCA::Initializer *m_init;
};

void KeyGenUnitTest::initTestCase()
{
    m_init = new QCA::Initializer;
}

void KeyGenUnitTest::cleanupTestCase()
{
    delete m_init;
}

void KeyGenUnitTest::testRSA()
{
    QCA::KeyGenerator keygen;
    QCOMPARE(keygen.isBusy(), false);
    QCOMPARE(keygen.blockingEnabled(), true);

    if (!QCA::isSupported("pkey") || !QCA::PKey::supportedTypes().contains(QCA::PKey::RSA) ||
        !QCA::PKey::supportedIOTypes().contains(QCA::PKey::RSA))
        QSKIP("RSA not supported!");

    QCA::PrivateKey    priv1 = keygen.createRSA(1024, 65537);
    QCA::RSAPrivateKey rsa1  = priv1.toRSA();
    QCOMPARE(rsa1.isNull(), false);
    QCOMPARE(rsa1.e(), QCA::BigInteger(65537));
    QCOMPARE(rsa1.bitSize(), 1024);

    priv1 = keygen.createRSA(512, 17);
    rsa1  = priv1.toRSA();
    QCOMPARE(rsa1.isNull(), false);
    QCOMPARE(rsa1.e(), QCA::BigInteger(17));
    QCOMPARE(rsa1.bitSize(), 512);

    priv1 = keygen.createRSA(512, 3);
    rsa1  = priv1.toRSA();
    QCOMPARE(rsa1.isNull(), false);
    QCOMPARE(rsa1.e(), QCA::BigInteger(3));
    QCOMPARE(rsa1.bitSize(), 512);
}

void KeyGenUnitTest::testDSA()
{
    QCA::KeyGenerator keygen;
    QCOMPARE(keygen.isBusy(), false);
    QCOMPARE(keygen.blockingEnabled(), true);

    if (!QCA::isSupported("pkey") || !QCA::PKey::supportedTypes().contains(QCA::PKey::DSA) ||
        !QCA::PKey::supportedIOTypes().contains(QCA::PKey::DSA))
        QSKIP("DSA not supported!");

    QCA::DLGroup       group;
    QCA::PrivateKey    priv2;
    QCA::DSAPrivateKey dsa1;

    if (QCA::DLGroup::supportedGroupSets().contains(QCA::DSA_512)) {
        group = keygen.createDLGroup(QCA::DSA_512);
        priv2 = keygen.createDSA(group);
        dsa1  = priv2.toDSA();
        QCOMPARE(dsa1.isNull(), false);
        QCOMPARE(dsa1.bitSize(), 512);
    }

    if (QCA::DLGroup::supportedGroupSets().contains(QCA::DSA_768)) {
        group = keygen.createDLGroup(QCA::DSA_768);
        priv2 = keygen.createDSA(group);
        dsa1  = priv2.toDSA();
        QCOMPARE(dsa1.isNull(), false);
        QCOMPARE(dsa1.bitSize(), 768);
    }

    if (QCA::DLGroup::supportedGroupSets().contains(QCA::DSA_1024)) {
        group = keygen.createDLGroup(QCA::DSA_1024);
        priv2 = keygen.createDSA(group);
        dsa1  = priv2.toDSA();
        QCOMPARE(dsa1.isNull(), false);
        QCOMPARE(dsa1.bitSize(), 1024);
    }
}

void KeyGenUnitTest::testDH()
{
    QCA::KeyGenerator keygen;
    QCOMPARE(keygen.isBusy(), false);
    QCOMPARE(keygen.blockingEnabled(), true);

    if (!QCA::isSupported("pkey") || !QCA::PKey::supportedTypes().contains(QCA::PKey::DH) ||
        !QCA::PKey::supportedIOTypes().contains(QCA::PKey::DH))
        QSKIP("DH not supported!");

    QCA::DLGroup      group = keygen.createDLGroup(QCA::IETF_1024);
    QCA::PrivateKey   priv3 = keygen.createDH(group);
    QCA::DHPrivateKey dh1   = priv3.toDH();
    QCOMPARE(dh1.isNull(), false);
    QCOMPARE(dh1.bitSize(), 1024);

    group = keygen.createDLGroup(QCA::IETF_2048);
    priv3 = keygen.createDH(group);
    dh1   = priv3.toDH();
    QCOMPARE(dh1.isNull(), false);
    QCOMPARE(dh1.bitSize(), 2048);
}

QTEST_MAIN(KeyGenUnitTest)

#include "keygenunittest.moc"
