/**
 * 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 CertUnitTest : public QObject
{
    Q_OBJECT

private Q_SLOTS:
    void initTestCase();
    void checkSystemStore();
    void nullCert();
    void noSuchFile();
    void CAcertstest();
    void derCAcertstest();
    void qualitysslcatest();
    void checkExpiredClientCerts();
    void checkClientCerts();
    void altName();
    void extXMPP();
    void checkExpiredServerCerts();
    void checkServerCerts();
    void altNames76();
    void sha256cert();
    void crl();
    void crl2();
    void csr();
    void csr2();
    void cleanupTestCase();

private:
    QCA::Initializer *m_init;
};

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

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

void CertUnitTest::nullCert()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("cert", provider))
            QWARN((QStringLiteral("Certificate handling not supported for ") + provider).toLocal8Bit().constData());
        else {
            QCA::Certificate nullCert;
            QVERIFY(nullCert.isNull());
            // This is copied on purpose to check the assignment operator
            QCA::Certificate anotherNullCert = nullCert; // NOLINT(performance-unnecessary-copy-initialization)
            QVERIFY(anotherNullCert.isNull());
            QCOMPARE(nullCert, anotherNullCert);
        }
    }
}

void CertUnitTest::noSuchFile()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("cert", provider))
            QWARN((QStringLiteral("Certificate handling not supported for ") + provider).toLocal8Bit().constData());
        else {
            QCA::ConvertResult resultNoFile;
            QCA::Certificate   cert = QCA::Certificate::fromPEMFile(
                QStringLiteral("thisIsJustaFileNameThatWeDontHave"), &resultNoFile, provider);
            QCOMPARE(resultNoFile, QCA::ErrorFile);
            QVERIFY(cert.isNull());
        }
    }
}

void CertUnitTest::CAcertstest()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("cert", provider))
            QWARN((QStringLiteral("Certificate handling not supported for ") + provider).toLocal8Bit().constData());
        else {
            QCA::ConvertResult resultca1;
            QCA::Certificate   ca1 =
                QCA::Certificate::fromPEMFile(QStringLiteral("certs/RootCAcert.pem"), &resultca1, provider);

            QCOMPARE(resultca1, QCA::ConvertGood);
            QCOMPARE(ca1.isNull(), false);
            QCOMPARE(ca1.pathLimit(), 0);
            QCOMPARE(ca1.isCA(), true);
            QCOMPARE(ca1.isSelfSigned(), true);

            QCOMPARE(ca1.serialNumber(), QCA::BigInteger(0));

            QCOMPARE(ca1.commonName(), QStringLiteral("For Tests Only"));

            QCOMPARE(ca1.notValidBefore().toString(),
                     QDateTime(QDate(2001, 8, 17), QTime(8, 30, 39), Qt::UTC).toString());
            QCOMPARE(ca1.notValidAfter().toString(),
                     QDateTime(QDate(2011, 8, 15), QTime(8, 30, 39), Qt::UTC).toString());

            QCOMPARE(ca1.constraints().contains(QCA::DigitalSignature) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::NonRepudiation) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::KeyEncipherment) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::DataEncipherment) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::KeyAgreement) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::KeyCertificateSign) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::CRLSign) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::EncipherOnly) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::DecipherOnly) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::ServerAuth) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::ClientAuth) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::CodeSigning) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::EmailProtection) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::IPSecEndSystem) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::IPSecTunnel) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::IPSecUser) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::TimeStamping) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::OCSPSigning) == true, false);

            // no policies on this cert
            QCOMPARE(ca1.policies().count(), 0);
        }
    }
}

void CertUnitTest::qualitysslcatest()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("cert", provider))
            QWARN((QStringLiteral("Certificate handling not supported for ") + provider).toLocal8Bit().constData());
        else {
            QCA::ConvertResult resultca1;
            QCA::Certificate   ca1 = QCA::Certificate::fromPEMFile(
                QStringLiteral("certs/QualitySSLIntermediateCA.crt"), &resultca1, provider);

            QCOMPARE(resultca1, QCA::ConvertGood);
            QCOMPARE(ca1.isNull(), false);
            QCOMPARE(ca1.isCA(), true);
            QCOMPARE(ca1.isSelfSigned(), false);

            QCOMPARE(ca1.signatureAlgorithm(), QCA::EMSA3_SHA1);

            QCOMPARE(ca1.serialNumber(), QCA::BigInteger("33555098"));

            QCOMPARE(ca1.commonName(), QStringLiteral("Comodo Class 3 Security Services CA"));

            QCOMPARE(ca1.notValidBefore().toString(),
                     QDateTime(QDate(2002, 8, 27), QTime(19, 02, 00), Qt::UTC).toString());
            QCOMPARE(ca1.notValidAfter().toString(),
                     QDateTime(QDate(2012, 8, 27), QTime(23, 59, 00), Qt::UTC).toString());

            QCOMPARE(ca1.pathLimit(), 0);

            QCOMPARE(ca1.constraints().contains(QCA::DigitalSignature) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::NonRepudiation) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::KeyEncipherment) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::DataEncipherment) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::KeyAgreement) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::KeyCertificateSign) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::CRLSign) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::EncipherOnly) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::DecipherOnly) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::ServerAuth) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::ClientAuth) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::CodeSigning) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::EmailProtection) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::IPSecEndSystem) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::IPSecTunnel) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::IPSecUser) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::TimeStamping) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::OCSPSigning) == true, false);
        }
    }
}

void CertUnitTest::checkExpiredClientCerts()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("cert", provider))
            QWARN((QStringLiteral("Certificate handling not supported for ") + provider).toLocal8Bit().constData());
        else {
            QCA::ConvertResult resultClient1;
            QCA::Certificate   client1 =
                QCA::Certificate::fromPEMFile(QStringLiteral("certs/User.pem"), &resultClient1, provider);
            QCOMPARE(resultClient1, QCA::ConvertGood);
            QCOMPARE(client1.isNull(), false);
            QCOMPARE(client1.isCA(), false);
            QCOMPARE(client1.isSelfSigned(), false);

            QCOMPARE(client1.serialNumber(), QCA::BigInteger(2));

            QCOMPARE(client1.commonName(), QStringLiteral("Insecure User Test Cert"));

            QCOMPARE(client1.notValidBefore().toString(),
                     QDateTime(QDate(2001, 8, 17), QTime(8, 32, 38), Qt::UTC).toString());
            QCOMPARE(client1.notValidAfter().toString(),
                     QDateTime(QDate(2006, 8, 16), QTime(8, 32, 38), Qt::UTC).toString());

            QCOMPARE(client1.constraints().contains(QCA::DigitalSignature) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::NonRepudiation) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::KeyEncipherment) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::DataEncipherment) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::KeyAgreement) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::KeyCertificateSign) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::CRLSign) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::EncipherOnly) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::DecipherOnly) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::ServerAuth) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::ClientAuth) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::CodeSigning) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::EmailProtection) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::IPSecEndSystem) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::IPSecTunnel) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::IPSecUser) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::TimeStamping) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::OCSPSigning) == true, false);

            // no policies on this cert
            QCOMPARE(client1.policies().count(), 0);

            QCA::CertificateInfo subject1 = client1.subjectInfo();
            QCOMPARE(subject1.isEmpty(), false);
            QCOMPARE(subject1.contains(QCA::Country, QStringLiteral("de")) == true, true);
            QCOMPARE(subject1.contains(QCA::Organization, QStringLiteral("InsecureTestCertificate")) == true, true);
            QCOMPARE(subject1.contains(QCA::CommonName, QStringLiteral("Insecure User Test Cert")) == true, true);

            QCA::CertificateInfo issuer1 = client1.issuerInfo();
            QCOMPARE(issuer1.isEmpty(), false);
            QCOMPARE(issuer1.contains(QCA::Country, QStringLiteral("de")) == true, true);
            QCOMPARE(issuer1.contains(QCA::Organization, QStringLiteral("InsecureTestCertificate")) == true, true);
            QCOMPARE(issuer1.contains(QCA::CommonName, QStringLiteral("For Tests Only")) == true, true);

            QByteArray subjectKeyID =
                QCA::Hex().stringToArray(QStringLiteral("889E7EF729719D7B280F361AAE6D00D39DE1AADB")).toByteArray();
            QCOMPARE(client1.subjectKeyId(), subjectKeyID);
            QCOMPARE(QCA::Hex().arrayToString(client1.issuerKeyId()),
                     QStringLiteral("bf53438278d09ec380e51b67ca0500dfb94883a5"));

            QCA::PublicKey pubkey1 = client1.subjectPublicKey();
            QCOMPARE(pubkey1.isNull(), false);
            QCOMPARE(pubkey1.isRSA(), true);
            QCOMPARE(pubkey1.isDSA(), false);
            QCOMPARE(pubkey1.isDH(), false);
            QCOMPARE(pubkey1.isPublic(), true);
            QCOMPARE(pubkey1.isPrivate(), false);
            QCOMPARE(pubkey1.bitSize(), 1024);

            QCOMPARE(client1.pathLimit(), 0);

            QCOMPARE(client1.signatureAlgorithm(), QCA::EMSA3_MD5);

            QCA::CertificateCollection trusted;
            QCA::CertificateCollection untrusted;
            QCOMPARE(client1.validate(trusted, untrusted), QCA::ErrorInvalidCA);

            QCA::ConvertResult resultca1;
            QCA::Certificate   ca1 =
                QCA::Certificate::fromPEMFile(QStringLiteral("certs/RootCAcert.pem"), &resultca1, provider);
            QCOMPARE(resultca1, QCA::ConvertGood);
            trusted.addCertificate(ca1);

            QCOMPARE(client1.validate(trusted, untrusted), QCA::ErrorExpired);
            QCOMPARE(client1.validate(trusted, untrusted, QCA::UsageAny), QCA::ErrorExpired);
            QCOMPARE(client1.validate(trusted, untrusted, QCA::UsageTLSServer), QCA::ErrorExpired);
            QCOMPARE(client1.validate(trusted, untrusted, QCA::UsageTLSClient), QCA::ErrorExpired);
            QCOMPARE(client1.validate(trusted, untrusted, QCA::UsageCodeSigning), QCA::ErrorExpired);
            QCOMPARE(client1.validate(trusted, untrusted, QCA::UsageTimeStamping), QCA::ErrorExpired);
            QCOMPARE(client1.validate(trusted, untrusted, QCA::UsageEmailProtection), QCA::ErrorExpired);
            QCOMPARE(client1.validate(trusted, untrusted, QCA::UsageCRLSigning), QCA::ErrorExpired);
            QByteArray derClient1 = client1.toDER();
            QCOMPARE(derClient1.isEmpty(), false);
            QCA::Certificate fromDer1 = QCA::Certificate::fromDER(derClient1, &resultClient1, provider);
            QCOMPARE(resultClient1, QCA::ConvertGood);
            QVERIFY(fromDer1 == client1);

            QString pemClient1 = client1.toPEM();
            QCOMPARE(pemClient1.isEmpty(), false);
            QCA::Certificate fromPem1 = QCA::Certificate::fromPEM(pemClient1, &resultClient1, provider);
            QCOMPARE(resultClient1, QCA::ConvertGood);
            QVERIFY(fromPem1 == client1);
            QCOMPARE(fromPem1 != fromDer1, false);
        }
    }
}

void CertUnitTest::checkClientCerts()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("cert", provider))
            QWARN((QStringLiteral("Certificate handling not supported for ") + provider).toLocal8Bit().constData());
        else {
            QCA::ConvertResult resultClient2;
            QCA::Certificate   client2 =
                QCA::Certificate::fromPEMFile(QStringLiteral("certs/QcaTestClientCert.pem"), &resultClient2, provider);
            QCOMPARE(resultClient2, QCA::ConvertGood);
            QCOMPARE(client2.isNull(), false);
            QCOMPARE(client2.isCA(), false);
            QCOMPARE(client2.isSelfSigned(), false);

            QCOMPARE(client2.serialNumber(), QCA::BigInteger("13149359243510447488"));

            QCOMPARE(client2.commonName(), QStringLiteral("Qca Test Client Certificate"));

            QCOMPARE(client2.notValidBefore().toString(),
                     QDateTime(QDate(2013, 7, 31), QTime(15, 14, 28), Qt::UTC).toString());
            QCOMPARE(client2.notValidAfter().toString(),
                     QDateTime(QDate(2033, 7, 26), QTime(15, 14, 28), Qt::UTC).toString());

            QCOMPARE(client2.constraints().contains(QCA::DigitalSignature) == true, true);
            QCOMPARE(client2.constraints().contains(QCA::NonRepudiation) == true, true);
            QCOMPARE(client2.constraints().contains(QCA::KeyEncipherment) == true, true);
            QCOMPARE(client2.constraints().contains(QCA::DataEncipherment) == true, true);
            QCOMPARE(client2.constraints().contains(QCA::KeyAgreement) == true, false);
            QCOMPARE(client2.constraints().contains(QCA::KeyCertificateSign) == true, false);
            QCOMPARE(client2.constraints().contains(QCA::CRLSign) == true, false);
            QCOMPARE(client2.constraints().contains(QCA::EncipherOnly) == true, false);
            QCOMPARE(client2.constraints().contains(QCA::DecipherOnly) == true, false);
            QCOMPARE(client2.constraints().contains(QCA::ServerAuth) == true, false);
            QCOMPARE(client2.constraints().contains(QCA::ClientAuth) == true, true);
            QCOMPARE(client2.constraints().contains(QCA::CodeSigning) == true, false);
            QCOMPARE(client2.constraints().contains(QCA::EmailProtection) == true, true);
            QCOMPARE(client2.constraints().contains(QCA::IPSecEndSystem) == true, false);
            QCOMPARE(client2.constraints().contains(QCA::IPSecTunnel) == true, false);
            QCOMPARE(client2.constraints().contains(QCA::IPSecUser) == true, false);
            QCOMPARE(client2.constraints().contains(QCA::TimeStamping) == true, false);
            QCOMPARE(client2.constraints().contains(QCA::OCSPSigning) == true, false);

            // no policies on this cert
            QCOMPARE(client2.policies().count(), 0);

            QCA::CertificateInfo subject2 = client2.subjectInfo();
            QCOMPARE(subject2.isEmpty(), false);
            QVERIFY(subject2.contains(QCA::Country, QStringLiteral("US")));
            QVERIFY(subject2.contains(QCA::Organization, QStringLiteral("Qca Development and Test")));
            QVERIFY(subject2.contains(QCA::OrganizationalUnit, QStringLiteral("Certificate Generation Section")));
            QVERIFY(subject2.contains(QCA::CommonName, QStringLiteral("Qca Test Client Certificate")));

            QCA::CertificateInfo issuer2 = client2.issuerInfo();
            QCOMPARE(issuer2.isEmpty(), false);
            QVERIFY(issuer2.contains(QCA::Country, QStringLiteral("AU")));
            QVERIFY(issuer2.contains(QCA::Organization, QStringLiteral("Qca Development and Test")));
            QVERIFY(issuer2.contains(QCA::CommonName, QStringLiteral("Qca Test Root Certificate")));

            QByteArray subjectKeyID =
                QCA::Hex().stringToArray(QStringLiteral("1e604e03127d287ba40427a961b428a2d09b50d1")).toByteArray();
            QCOMPARE(client2.subjectKeyId(), subjectKeyID);
            QCOMPARE(QCA::Hex().arrayToString(client2.issuerKeyId()),
                     QStringLiteral("f61c451de1b0458138c60568c1a7cb0f7ade0363"));

            QCA::PublicKey pubkey2 = client2.subjectPublicKey();
            QCOMPARE(pubkey2.isNull(), false);
            QCOMPARE(pubkey2.isRSA(), true);
            QCOMPARE(pubkey2.isDSA(), false);
            QCOMPARE(pubkey2.isDH(), false);
            QCOMPARE(pubkey2.isPublic(), true);
            QCOMPARE(pubkey2.isPrivate(), false);
            QCOMPARE(pubkey2.bitSize(), 1024);

            QCOMPARE(client2.pathLimit(), 0);

            QCOMPARE(client2.signatureAlgorithm(), QCA::EMSA3_SHA1);

            QCA::CertificateCollection trusted;
            QCA::CertificateCollection untrusted;
            QCOMPARE(client2.validate(trusted, untrusted), QCA::ErrorInvalidCA);

            QCA::ConvertResult resultca2;
            QCA::Certificate   ca2 =
                QCA::Certificate::fromPEMFile(QStringLiteral("certs/QcaTestRootCert.pem"), &resultca2, provider);
            QCOMPARE(resultca2, QCA::ConvertGood);
            trusted.addCertificate(ca2);

            QCOMPARE(client2.validate(trusted, untrusted), QCA::ValidityGood);
            QCOMPARE(client2.validate(trusted, untrusted, QCA::UsageAny), QCA::ValidityGood);
            QCOMPARE(client2.validate(trusted, untrusted, QCA::UsageTLSServer), QCA::ErrorInvalidPurpose);
            QCOMPARE(client2.validate(trusted, untrusted, QCA::UsageTLSClient), QCA::ValidityGood);
            QCOMPARE(client2.validate(trusted, untrusted, QCA::UsageCodeSigning), QCA::ErrorInvalidPurpose);
            QCOMPARE(client2.validate(trusted, untrusted, QCA::UsageTimeStamping), QCA::ErrorInvalidPurpose);
            QCOMPARE(client2.validate(trusted, untrusted, QCA::UsageEmailProtection), QCA::ValidityGood);
            QCOMPARE(client2.validate(trusted, untrusted, QCA::UsageCRLSigning), QCA::ErrorInvalidPurpose);
            QByteArray derClient2 = client2.toDER();
            QCOMPARE(derClient2.isEmpty(), false);
            QCA::Certificate fromDer2 = QCA::Certificate::fromDER(derClient2, &resultClient2, provider);
            QCOMPARE(resultClient2, QCA::ConvertGood);
            QVERIFY(fromDer2 == client2);

            QString pemClient2 = client2.toPEM();
            QCOMPARE(pemClient2.isEmpty(), false);
            QCA::Certificate fromPem2 = QCA::Certificate::fromPEM(pemClient2, &resultClient2, provider);
            QCOMPARE(resultClient2, QCA::ConvertGood);
            QVERIFY(fromPem2 == client2);
            QCOMPARE(fromPem2 != fromDer2, false);
        }
    }
}

void CertUnitTest::derCAcertstest()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("cert", provider))
            QWARN((QStringLiteral("Certificate handling not supported for ") + provider).toLocal8Bit().constData());
        else {
            QFile f(QStringLiteral("certs/ov-root-ca-cert.crt"));
            QVERIFY(f.open(QFile::ReadOnly));
            QByteArray         der = f.readAll();
            QCA::ConvertResult resultca1;
            QCA::Certificate   ca1 = QCA::Certificate::fromDER(der, &resultca1, provider);

            QCOMPARE(resultca1, QCA::ConvertGood);

            QCOMPARE(ca1.pathLimit(), 0);

            QCOMPARE(ca1.isNull(), false);
            QCOMPARE(ca1.isCA(), true);

            QCOMPARE(ca1.isSelfSigned(), true);

            QCOMPARE(ca1.serialNumber(), QCA::BigInteger(0));

            QCOMPARE(ca1.commonName(), QStringLiteral("For Tests Only"));

            QCA::CertificateInfo si = ca1.subjectInfo();
            QCOMPARE(si.isEmpty(), false);
            QCOMPARE(si.value(QCA::CommonName), QStringLiteral("For Tests Only"));
            QCOMPARE(si.value(QCA::Organization), QStringLiteral("InsecureTestCertificate"));
            QCOMPARE(si.value(QCA::Country), QStringLiteral("de"));

            QCA::CertificateInfo ii = ca1.issuerInfo();
            QCOMPARE(ii.isEmpty(), false);
            QCOMPARE(ii.value(QCA::CommonName), QStringLiteral("For Tests Only"));
            QCOMPARE(ii.value(QCA::Organization), QStringLiteral("InsecureTestCertificate"));
            QCOMPARE(ii.value(QCA::Country), QStringLiteral("de"));

            QCOMPARE(ca1.notValidBefore().toString(),
                     QDateTime(QDate(2001, 8, 17), QTime(8, 30, 39), Qt::UTC).toString());
            QCOMPARE(ca1.notValidAfter().toString(),
                     QDateTime(QDate(2011, 8, 15), QTime(8, 30, 39), Qt::UTC).toString());

            QCOMPARE(ca1.constraints().contains(QCA::DigitalSignature) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::NonRepudiation) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::KeyEncipherment) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::DataEncipherment) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::KeyAgreement) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::KeyCertificateSign) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::CRLSign) == true, true);
            QCOMPARE(ca1.constraints().contains(QCA::EncipherOnly) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::DecipherOnly) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::ServerAuth) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::ClientAuth) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::CodeSigning) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::EmailProtection) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::IPSecEndSystem) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::IPSecTunnel) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::IPSecUser) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::TimeStamping) == true, false);
            QCOMPARE(ca1.constraints().contains(QCA::OCSPSigning) == true, false);

            // no policies on this cert
            QCOMPARE(ca1.policies().count(), 0);

            QCOMPARE(ca1.signatureAlgorithm(), QCA::EMSA3_MD5);
        }
    }
}

void CertUnitTest::altName()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("cert", provider))
            QWARN((QStringLiteral("Certificate handling not supported for ") + provider).toLocal8Bit().constData());
        else {
            QCA::ConvertResult resultClient1;
            QCA::Certificate   client1 =
                QCA::Certificate::fromPEMFile(QStringLiteral("certs/altname.pem"), &resultClient1, provider);
            QCOMPARE(resultClient1, QCA::ConvertGood);
            QCOMPARE(client1.isNull(), false);
            QCOMPARE(client1.isCA(), false);
            QCOMPARE(client1.isSelfSigned(), false);

            QCOMPARE(client1.serialNumber(), QCA::BigInteger(1));

            QCOMPARE(client1.commonName(), QStringLiteral("Valid RFC822 nameConstraints EE Certificate Test21"));

            QCOMPARE(client1.constraints().contains(QCA::DigitalSignature) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::NonRepudiation) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::KeyEncipherment) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::DataEncipherment) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::KeyAgreement) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::KeyCertificateSign) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::CRLSign) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::EncipherOnly) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::DecipherOnly) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::ServerAuth) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::ClientAuth) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::CodeSigning) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::EmailProtection) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::IPSecEndSystem) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::IPSecTunnel) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::IPSecUser) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::TimeStamping) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::OCSPSigning) == true, false);

            QCOMPARE(client1.policies().count(), 1);
            QCOMPARE(client1.policies().at(0), QStringLiteral("2.16.840.1.101.3.2.1.48.1"));

            QCA::CertificateInfo subject1 = client1.subjectInfo();
            QCOMPARE(subject1.isEmpty(), false);
            QVERIFY(subject1.contains(QCA::Country, QStringLiteral("US")));
            QVERIFY(subject1.contains(QCA::Organization, QStringLiteral("Test Certificates")));
            QVERIFY(subject1.contains(QCA::CommonName,
                                      QStringLiteral("Valid RFC822 nameConstraints EE Certificate Test21")));
            QVERIFY(subject1.contains(QCA::Email, QStringLiteral("Test21EE@mailserver.testcertificates.gov")));

            QCA::CertificateInfo issuer1 = client1.issuerInfo();
            QCOMPARE(issuer1.isEmpty(), false);
            QVERIFY(issuer1.contains(QCA::Country, QStringLiteral("US")));
            QVERIFY(issuer1.contains(QCA::Organization, QStringLiteral("Test Certificates")));
            QVERIFY(issuer1.contains(QCA::CommonName, QStringLiteral("nameConstraints RFC822 CA1")));

            QByteArray subjectKeyID =
                QCA::Hex().stringToArray(QStringLiteral("b4200d42cd95ea87d463d54f0ed6d10fe5b73bfb")).toByteArray();
            QCOMPARE(client1.subjectKeyId(), subjectKeyID);
            QCOMPARE(QCA::Hex().arrayToString(client1.issuerKeyId()),
                     QStringLiteral("e37f857a8ea23b9eeeb8121d7913aac4bd2e59ad"));

            QCA::PublicKey pubkey1 = client1.subjectPublicKey();
            QCOMPARE(pubkey1.isNull(), false);
            QCOMPARE(pubkey1.isRSA(), true);
            QCOMPARE(pubkey1.isDSA(), false);
            QCOMPARE(pubkey1.isDH(), false);
            QCOMPARE(pubkey1.isPublic(), true);
            QCOMPARE(pubkey1.isPrivate(), false);
            QCOMPARE(pubkey1.bitSize(), 1024);

            QCOMPARE(client1.pathLimit(), 0);

            QCOMPARE(client1.signatureAlgorithm(), QCA::EMSA3_SHA1);
        }
    }
}

void CertUnitTest::extXMPP()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("cert", provider))
            QWARN((QStringLiteral("Certificate handling not supported for ") + provider).toLocal8Bit().constData());
        else {
            QCA::ConvertResult resultClient1;
            QCA::Certificate   client1 =
                QCA::Certificate::fromPEMFile(QStringLiteral("certs/xmppcert.pem"), &resultClient1, provider);
            QCOMPARE(resultClient1, QCA::ConvertGood);
            QCOMPARE(client1.isNull(), false);
            QCOMPARE(client1.isCA(), false);
            QCOMPARE(client1.isSelfSigned(), true);

            QCOMPARE(client1.serialNumber(), QCA::BigInteger("9635301556349760241"));

            QCOMPARE(client1.commonName(), QStringLiteral("demo.jabber.com"));

            QCA::CertificateInfo subject1 = client1.subjectInfo();
            QCOMPARE(subject1.isEmpty(), false);
            QVERIFY(subject1.contains(QCA::Country, QStringLiteral("US")));
            QVERIFY(subject1.contains(QCA::Organization, QStringLiteral("Jabber, Inc.")));
            QVERIFY(subject1.contains(QCA::Locality, QStringLiteral("Denver")));
            QVERIFY(subject1.contains(QCA::State, QStringLiteral("Colorado")));
            QVERIFY(subject1.contains(QCA::CommonName, QStringLiteral("demo.jabber.com")));
            QVERIFY(subject1.contains(QCA::DNS, QStringLiteral("demo.jabber.com")));
            QVERIFY(subject1.contains(QCA::XMPP, QStringLiteral("demo.jabber.com")));

            QCA::CertificateInfo issuer1 = client1.issuerInfo();
            QCOMPARE(issuer1.isEmpty(), false);
            QVERIFY(issuer1.contains(QCA::Country, QStringLiteral("US")));
            QVERIFY(issuer1.contains(QCA::Organization, QStringLiteral("Jabber, Inc.")));
            QVERIFY(issuer1.contains(QCA::Locality, QStringLiteral("Denver")));
            QVERIFY(issuer1.contains(QCA::State, QStringLiteral("Colorado")));
            QVERIFY(issuer1.contains(QCA::CommonName, QStringLiteral("demo.jabber.com")));
        }
    }
}

void CertUnitTest::altNames76()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("cert", provider))
            QWARN((QStringLiteral("Certificate handling not supported for ") + provider).toLocal8Bit().constData());
        else {
            QCA::ConvertResult resultClient1;
            QCA::Certificate   client1 =
                QCA::Certificate::fromPEMFile(QStringLiteral("certs/76.pem"), &resultClient1, provider);
            QCOMPARE(resultClient1, QCA::ConvertGood);
            QCOMPARE(client1.isNull(), false);
            QCOMPARE(client1.isCA(), false);
            QCOMPARE(client1.isSelfSigned(), false);

            QCOMPARE(client1.serialNumber(), QCA::BigInteger(118));

            QCOMPARE(client1.commonName(), QStringLiteral("sip1.su.se"));

            QCOMPARE(client1.constraints().contains(QCA::DigitalSignature) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::NonRepudiation) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::KeyEncipherment) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::DataEncipherment) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::KeyAgreement) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::KeyCertificateSign) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::CRLSign) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::EncipherOnly) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::DecipherOnly) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::ServerAuth) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::ClientAuth) == true, true);
            QCOMPARE(client1.constraints().contains(QCA::CodeSigning) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::EmailProtection) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::IPSecEndSystem) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::IPSecTunnel) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::IPSecUser) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::TimeStamping) == true, false);
            QCOMPARE(client1.constraints().contains(QCA::OCSPSigning) == true, false);

            QCOMPARE(client1.policies().count(), 1);

            QCA::CertificateInfo subject1 = client1.subjectInfo();
            QCOMPARE(subject1.isEmpty(), false);
            QVERIFY(subject1.contains(QCA::Country, QStringLiteral("SE")));
            QVERIFY(subject1.contains(QCA::Organization, QStringLiteral("Stockholms universitet")));
            QVERIFY(subject1.contains(QCA::CommonName, QStringLiteral("sip1.su.se")));
            QCOMPARE(subject1.values(QCA::Email).count(), 0); // clazy:exclude=container-anti-pattern
            QCOMPARE(subject1.values(QCA::DNS).count(), 8);   // clazy:exclude=container-anti-pattern
            QVERIFY(subject1.contains(QCA::DNS, QStringLiteral("incomingproxy.sip.su.se")));
            QVERIFY(subject1.contains(QCA::DNS, QStringLiteral("incomingproxy1.sip.su.se")));
            QVERIFY(subject1.contains(QCA::DNS, QStringLiteral("outgoingproxy.sip.su.se")));
            QVERIFY(subject1.contains(QCA::DNS, QStringLiteral("outgoingproxy1.sip.su.se")));
            QVERIFY(subject1.contains(QCA::DNS, QStringLiteral("out.sip.su.se")));
            QVERIFY(subject1.contains(QCA::DNS, QStringLiteral("appserver.sip.su.se")));
            QVERIFY(subject1.contains(QCA::DNS, QStringLiteral("appserver1.sip.su.se")));
            QVERIFY(subject1.contains(QCA::DNS, QStringLiteral("sip1.su.se")));

            QVERIFY(client1.matchesHostName(QStringLiteral("incomingproxy.sip.su.se")));
            QVERIFY(client1.matchesHostName(QStringLiteral("incomingproxy1.sip.su.se")));
            QVERIFY(client1.matchesHostName(QStringLiteral("outgoingproxy.sip.su.se")));
            QVERIFY(client1.matchesHostName(QStringLiteral("outgoingproxy1.sip.su.se")));
            QVERIFY(client1.matchesHostName(QStringLiteral("out.sip.su.se")));
            QVERIFY(client1.matchesHostName(QStringLiteral("appserver.sip.su.se")));
            QVERIFY(client1.matchesHostName(QStringLiteral("appserver1.sip.su.se")));
            QVERIFY(client1.matchesHostName(QStringLiteral("sip1.su.se")));

            QCA::CertificateInfo issuer1 = client1.issuerInfo();
            QCOMPARE(issuer1.isEmpty(), false);
            QVERIFY(issuer1.contains(QCA::Country, QStringLiteral("SE")));
            QVERIFY(issuer1.contains(QCA::Organization, QStringLiteral("Stockholms universitet")));
            QVERIFY(issuer1.contains(QCA::CommonName, QStringLiteral("Stockholm University CA")));
            QVERIFY(issuer1.contains(QCA::URI, QStringLiteral("http://ca.su.se")));
            QVERIFY(issuer1.contains(QCA::Email, QStringLiteral("ca@su.se")));

            QByteArray subjectKeyID =
                QCA::Hex().stringToArray(QStringLiteral("3a5c5cd1cc2c9edf73f73bd81b59b1eab83035c5")).toByteArray();
            QCOMPARE(client1.subjectKeyId(), subjectKeyID);
            QCOMPARE(QCA::Hex().arrayToString(client1.issuerKeyId()),
                     QStringLiteral("9e2e30ba37d95144c99dbf1821f1bd7eeeb58648"));

            QCA::PublicKey pubkey1 = client1.subjectPublicKey();
            QCOMPARE(pubkey1.isNull(), false);
            QCOMPARE(pubkey1.isRSA(), true);
            QCOMPARE(pubkey1.isDSA(), false);
            QCOMPARE(pubkey1.isDH(), false);
            QCOMPARE(pubkey1.isPublic(), true);
            QCOMPARE(pubkey1.isPrivate(), false);
            QCOMPARE(pubkey1.bitSize(), 1024);

            QCOMPARE(client1.pathLimit(), 0);

            QCOMPARE(client1.signatureAlgorithm(), QCA::EMSA3_SHA1);
        }
    }
}

void CertUnitTest::sha256cert()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("cert", provider))
            QWARN((QStringLiteral("Certificate handling not supported for ") + provider).toLocal8Bit().constData());
        else {
            QFile f(QStringLiteral("certs/RAIZ2007_CERTIFICATE_AND_CRL_SIGNING_SHA256.crt"));
            QVERIFY(f.open(QFile::ReadOnly));
            QByteArray         der = f.readAll();
            QCA::ConvertResult resultcert;
            QCA::Certificate   cert = QCA::Certificate::fromDER(der, &resultcert, provider);

            QCOMPARE(resultcert, QCA::ConvertGood);
            QCOMPARE(cert.isNull(), false);
            QCOMPARE(cert.isCA(), true);
            QCOMPARE(cert.isSelfSigned(), true);

            QCA::PublicKey pubkey = cert.subjectPublicKey();
            QCOMPARE(pubkey.isNull(), false);
            QCOMPARE(pubkey.isRSA(), true);
            QCOMPARE(pubkey.isDSA(), false);
            QCOMPARE(pubkey.isDH(), false);
            QCOMPARE(pubkey.isPublic(), true);
            QCOMPARE(pubkey.isPrivate(), false);
            QCOMPARE(pubkey.bitSize(), 4096);

            QCOMPARE(cert.pathLimit(), 0);

            QCOMPARE(cert.signatureAlgorithm(), QCA::EMSA3_SHA256);
        }
    }
}

void CertUnitTest::checkExpiredServerCerts()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("cert", provider))
            QWARN((QStringLiteral("Certificate handling not supported for ") + provider).toLocal8Bit().constData());
        else {
            QCA::ConvertResult resultServer1;
            QCA::Certificate   server1 =
                QCA::Certificate::fromPEMFile(QStringLiteral("certs/Server.pem"), &resultServer1, provider);
            QCOMPARE(resultServer1, QCA::ConvertGood);
            QCOMPARE(server1.isNull(), false);
            QCOMPARE(server1.isCA(), false);
            QCOMPARE(server1.isSelfSigned(), false);

            QCOMPARE(server1.serialNumber(), QCA::BigInteger(4));

            QCOMPARE(server1.commonName(), QStringLiteral("Insecure Server Cert"));

            QCOMPARE(server1.notValidBefore().toString(),
                     QDateTime(QDate(2001, 8, 17), QTime(8, 46, 24), Qt::UTC).toString());
            QCOMPARE(server1.notValidAfter().toString(),
                     QDateTime(QDate(2006, 8, 16), QTime(8, 46, 24), Qt::UTC).toString());

            QCOMPARE(server1.constraints().contains(QCA::DigitalSignature) == true, true);
            QCOMPARE(server1.constraints().contains(QCA::NonRepudiation) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::KeyEncipherment) == true, true);
            QCOMPARE(server1.constraints().contains(QCA::DataEncipherment) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::KeyAgreement) == true, true);
            QCOMPARE(server1.constraints().contains(QCA::KeyCertificateSign) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::CRLSign) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::EncipherOnly) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::DecipherOnly) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::ServerAuth) == true, true);
            QCOMPARE(server1.constraints().contains(QCA::ClientAuth) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::CodeSigning) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::EmailProtection) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::IPSecEndSystem) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::IPSecTunnel) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::IPSecUser) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::TimeStamping) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::OCSPSigning) == true, false);

            // no policies on this cert
            QCOMPARE(server1.policies().count(), 0);

            QCA::CertificateInfo subject1 = server1.subjectInfo();
            QCOMPARE(subject1.isEmpty(), false);
            QCOMPARE(subject1.contains(QCA::Country, QStringLiteral("de")) == true, true);
            QCOMPARE(subject1.contains(QCA::Organization, QStringLiteral("InsecureTestCertificate")) == true, true);
            QCOMPARE(subject1.contains(QCA::CommonName, QStringLiteral("Insecure Server Cert")) == true, true);

            QCA::CertificateInfo issuer1 = server1.issuerInfo();
            QCOMPARE(issuer1.isEmpty(), false);
            QCOMPARE(issuer1.contains(QCA::Country, QStringLiteral("de")) == true, true);
            QCOMPARE(issuer1.contains(QCA::Organization, QStringLiteral("InsecureTestCertificate")) == true, true);
            QCOMPARE(issuer1.contains(QCA::CommonName, QStringLiteral("For Tests Only")) == true, true);

            QByteArray subjectKeyID =
                QCA::Hex().stringToArray(QStringLiteral("0234E2C906F6E0B44253BE04C0CBA7823A6DB509")).toByteArray();
            QCOMPARE(server1.subjectKeyId(), subjectKeyID);
            QByteArray authorityKeyID =
                QCA::Hex().stringToArray(QStringLiteral("BF53438278D09EC380E51B67CA0500DFB94883A5")).toByteArray();
            QCOMPARE(server1.issuerKeyId(), authorityKeyID);

            QCA::PublicKey pubkey1 = server1.subjectPublicKey();
            QCOMPARE(pubkey1.isNull(), false);
            QCOMPARE(pubkey1.isRSA(), true);
            QCOMPARE(pubkey1.isDSA(), false);
            QCOMPARE(pubkey1.isDH(), false);
            QCOMPARE(pubkey1.isPublic(), true);
            QCOMPARE(pubkey1.isPrivate(), false);
            QCOMPARE(pubkey1.bitSize(), 1024);

            QCOMPARE(server1.pathLimit(), 0);

            QCOMPARE(server1.signatureAlgorithm(), QCA::EMSA3_MD5);

            QCA::CertificateCollection trusted;
            QCA::CertificateCollection untrusted;
            QCOMPARE(server1.validate(trusted, untrusted), QCA::ErrorInvalidCA);

            QCA::ConvertResult resultca1;
            QCA::Certificate   ca1 =
                QCA::Certificate::fromPEMFile(QStringLiteral("certs/RootCAcert.pem"), &resultca1, provider);
            QCOMPARE(resultca1, QCA::ConvertGood);
            trusted.addCertificate(ca1);
            QCOMPARE(server1.validate(trusted, untrusted), QCA::ErrorExpired);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageAny), QCA::ErrorExpired);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageTLSServer), QCA::ErrorExpired);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageTLSClient), QCA::ErrorExpired);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageCodeSigning), QCA::ErrorExpired);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageTimeStamping), QCA::ErrorExpired);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageEmailProtection), QCA::ErrorExpired);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageCRLSigning), QCA::ErrorExpired);

            QByteArray derServer1 = server1.toDER();
            QCOMPARE(derServer1.isEmpty(), false);
            QCA::Certificate fromDer1 = QCA::Certificate::fromDER(derServer1, &resultServer1, provider);
            QCOMPARE(resultServer1, QCA::ConvertGood);
            QCOMPARE(fromDer1 == server1, true);
        }
    }
}

void CertUnitTest::checkServerCerts()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("cert", provider))
            QWARN((QStringLiteral("Certificate handling not supported for ") + provider).toLocal8Bit().constData());
        else {
            QCA::ConvertResult resultServer1;
            QCA::Certificate   server1 =
                QCA::Certificate::fromPEMFile(QStringLiteral("certs/QcaTestServerCert.pem"), &resultServer1, provider);
            QCOMPARE(resultServer1, QCA::ConvertGood);
            QCOMPARE(server1.isNull(), false);
            QCOMPARE(server1.isCA(), false);
            QCOMPARE(server1.isSelfSigned(), false);

            QCOMPARE(server1.serialNumber(), QCA::BigInteger("13149359243510447489"));

            QCOMPARE(server1.commonName(), QStringLiteral("Qca Server Test certificate"));

            QCOMPARE(server1.notValidBefore().toString(),
                     QDateTime(QDate(2013, 7, 31), QTime(15, 23, 25), Qt::UTC).toString());
            QCOMPARE(server1.notValidAfter().toString(),
                     QDateTime(QDate(2033, 7, 26), QTime(15, 23, 25), Qt::UTC).toString());

            QCOMPARE(server1.constraints().contains(QCA::DigitalSignature) == true, true);
            QCOMPARE(server1.constraints().contains(QCA::NonRepudiation) == true, true);
            QCOMPARE(server1.constraints().contains(QCA::KeyEncipherment) == true, true);
            QCOMPARE(server1.constraints().contains(QCA::DataEncipherment) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::KeyAgreement) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::KeyCertificateSign) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::CRLSign) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::EncipherOnly) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::DecipherOnly) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::ServerAuth) == true, true);
            QCOMPARE(server1.constraints().contains(QCA::ClientAuth) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::CodeSigning) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::EmailProtection) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::IPSecEndSystem) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::IPSecTunnel) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::IPSecUser) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::TimeStamping) == true, false);
            QCOMPARE(server1.constraints().contains(QCA::OCSPSigning) == true, false);

            // no policies on this cert
            QCOMPARE(server1.policies().count(), 0);

            QCA::CertificateInfo subject1 = server1.subjectInfo();
            QCOMPARE(subject1.isEmpty(), false);
            QVERIFY(subject1.contains(QCA::Country, QStringLiteral("IL")));
            QVERIFY(subject1.contains(QCA::Organization, QStringLiteral("Qca Development and Test")));
            QVERIFY(subject1.contains(QCA::OrganizationalUnit, QStringLiteral("Server Management Section")));
            QVERIFY(subject1.contains(QCA::CommonName, QStringLiteral("Qca Server Test certificate")));

            QCA::CertificateInfo issuer1 = server1.issuerInfo();
            QCOMPARE(issuer1.isEmpty(), false);
            QVERIFY(issuer1.contains(QCA::Country, QStringLiteral("AU")));
            QVERIFY(issuer1.contains(QCA::Organization, QStringLiteral("Qca Development and Test")));
            QVERIFY(issuer1.contains(QCA::OrganizationalUnit, QStringLiteral("Certificate Generation Section")));
            QVERIFY(issuer1.contains(QCA::CommonName, QStringLiteral("Qca Test Root Certificate")));

            QByteArray subjectKeyID =
                QCA::Hex().stringToArray(QStringLiteral("819870c8b81eab53e72d0446b65790aa0d3eab1a")).toByteArray();
            QCOMPARE(server1.subjectKeyId(), subjectKeyID);
            QByteArray authorityKeyID =
                QCA::Hex().stringToArray(QStringLiteral("f61c451de1b0458138c60568c1a7cb0f7ade0363")).toByteArray();
            QCOMPARE(server1.issuerKeyId(), authorityKeyID);

            QCA::PublicKey pubkey1 = server1.subjectPublicKey();
            QCOMPARE(pubkey1.isNull(), false);
            QCOMPARE(pubkey1.isRSA(), true);
            QCOMPARE(pubkey1.isDSA(), false);
            QCOMPARE(pubkey1.isDH(), false);
            QCOMPARE(pubkey1.isPublic(), true);
            QCOMPARE(pubkey1.isPrivate(), false);
            QCOMPARE(pubkey1.bitSize(), 1024);

            QCOMPARE(server1.pathLimit(), 0);

            QCOMPARE(server1.signatureAlgorithm(), QCA::EMSA3_SHA1);

            QCA::CertificateCollection trusted;
            QCA::CertificateCollection untrusted;
            QCOMPARE(server1.validate(trusted, untrusted), QCA::ErrorInvalidCA);

            QCA::ConvertResult resultca1;
            QCA::Certificate   ca1 =
                QCA::Certificate::fromPEMFile(QStringLiteral("certs/QcaTestRootCert.pem"), &resultca1, provider);
            QCOMPARE(resultca1, QCA::ConvertGood);
            trusted.addCertificate(ca1);
            QCOMPARE(server1.validate(trusted, untrusted), QCA::ValidityGood);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageAny), QCA::ValidityGood);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageTLSServer), QCA::ValidityGood);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageTLSClient), QCA::ErrorInvalidPurpose);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageCodeSigning), QCA::ErrorInvalidPurpose);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageTimeStamping), QCA::ErrorInvalidPurpose);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageEmailProtection), QCA::ErrorInvalidPurpose);
            QCOMPARE(server1.validate(trusted, untrusted, QCA::UsageCRLSigning), QCA::ErrorInvalidPurpose);

            QByteArray derServer1 = server1.toDER();
            QCOMPARE(derServer1.isEmpty(), false);
            QCA::Certificate fromDer1 = QCA::Certificate::fromDER(derServer1, &resultServer1, provider);
            QCOMPARE(resultServer1, QCA::ConvertGood);
            QCOMPARE(fromDer1 == server1, true);
        }
    }
}

void CertUnitTest::checkSystemStore()
{
    if (QCA::isSupported("cert") && QCA::isSupported("crl")) {
        QCOMPARE(QCA::haveSystemStore(), true);

        QCA::CertificateCollection collection1;
        collection1 = QCA::systemStore();
        // Do we have any certs?
        QVERIFY(collection1.certificates().count() > 0);
    } else {
        QCOMPARE(QCA::haveSystemStore(), false);
    }
}

void CertUnitTest::crl()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("crl", provider))
            QWARN((QStringLiteral("Certificate revocation not supported for ") + provider).toLocal8Bit().constData());
        else {
            QCA::CRL emptyCRL;
            QVERIFY(emptyCRL.isNull());

            QCA::ConvertResult resultCrl;
            QCA::CRL           crl1 = QCA::CRL::fromPEMFile(QStringLiteral("certs/Test_CRL.crl"), &resultCrl, provider);
            QCOMPARE(resultCrl, QCA::ConvertGood);
            QCOMPARE(crl1.isNull(), false);

            QCA::CertificateInfo issuer = crl1.issuerInfo();
            QCOMPARE(issuer.isEmpty(), false);
            QVERIFY(issuer.contains(QCA::Country, QStringLiteral("de")));
            QVERIFY(issuer.contains(QCA::Organization, QStringLiteral("InsecureTestCertificate")));
            QVERIFY(issuer.contains(QCA::CommonName, QStringLiteral("For Tests Only")));

            // No keyid extension on this crl
            QCOMPARE(QCA::arrayToHex(crl1.issuerKeyId()), QLatin1String(""));

            QCOMPARE(crl1.thisUpdate(), QDateTime(QDate(2001, 8, 17), QTime(11, 12, 03), Qt::UTC));
            QCOMPARE(crl1.nextUpdate(), QDateTime(QDate(2006, 8, 16), QTime(11, 12, 03), Qt::UTC));

            QCOMPARE(crl1.signatureAlgorithm(), QCA::EMSA3_MD5);

            QCOMPARE(crl1.issuerKeyId(), QByteArray(""));
            QCOMPARE(crl1, QCA::CRL(crl1));
            QCOMPARE(crl1 == QCA::CRL(), false);
            QCOMPARE(crl1.number(), -1);

            QList<QCA::CRLEntry> revokedList = crl1.revoked();
            QCOMPARE(revokedList.size(), 2);
            std::sort(revokedList.begin(), revokedList.end());
            QCOMPARE(revokedList[0].serialNumber(), QCA::BigInteger("3"));
            QCOMPARE(revokedList[1].serialNumber(), QCA::BigInteger("5"));
            QCOMPARE(revokedList[0].reason(), QCA::CRLEntry::Unspecified);
            QCOMPARE(revokedList[1].reason(), QCA::CRLEntry::Unspecified);
            QCOMPARE(revokedList[0].time(), QDateTime(QDate(2001, 8, 17), QTime(11, 10, 39), Qt::UTC));
            QCOMPARE(revokedList[1].time(), QDateTime(QDate(2001, 8, 17), QTime(11, 11, 59), Qt::UTC));

            // convert to DER
            QByteArray derCRL1 = crl1.toDER();
            // check we got something, at least
            QCOMPARE(derCRL1.isEmpty(), false);
            // convert back from DER
            QCA::CRL fromDer1 = QCA::CRL::fromDER(derCRL1, &resultCrl, provider);
            // check the conversion at least appeared to work
            QCOMPARE(resultCrl, QCA::ConvertGood);
            // check the result is the same as what we started with
            QCOMPARE(fromDer1, crl1);
        }
    }
}

void CertUnitTest::crl2()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("crl", provider))
            QWARN((QStringLiteral("Certificate revocation not supported for ") + provider).toLocal8Bit().constData());
        else {
            QCA::ConvertResult resultCrl;
            QCA::CRL crl1 = QCA::CRL::fromPEMFile(QStringLiteral("certs/GoodCACRL.pem"), &resultCrl, provider);
            QCOMPARE(resultCrl, QCA::ConvertGood);
            QCOMPARE(crl1.isNull(), false);
            QCOMPARE(crl1.provider()->name(), provider);

            QCA::CertificateInfo issuer = crl1.issuerInfo();
            QCOMPARE(issuer.isEmpty(), false);
            QVERIFY(issuer.contains(QCA::Country, QStringLiteral("US")));
            QVERIFY(issuer.contains(QCA::Organization, QStringLiteral("Test Certificates")));
            QVERIFY(issuer.contains(QCA::CommonName, QStringLiteral("Good CA")));

            QCOMPARE(crl1.thisUpdate(), QDateTime(QDate(2001, 4, 19), QTime(14, 57, 20), Qt::UTC));
            QCOMPARE(crl1.nextUpdate(), QDateTime(QDate(2011, 4, 19), QTime(14, 57, 20), Qt::UTC));

            QCOMPARE(crl1.signatureAlgorithm(), QCA::EMSA3_SHA1);

            QCOMPARE(QCA::arrayToHex(crl1.issuerKeyId()), QStringLiteral("b72ea682cbc2c8bca87b2744d73533df9a1594c7"));
            QCOMPARE(crl1.number(), 1);
            QCOMPARE(crl1, QCA::CRL(crl1));
            QCOMPARE(crl1 == QCA::CRL(), false);

            QList<QCA::CRLEntry> revokedList = crl1.revoked();
            QCOMPARE(revokedList.size(), 2);
            std::sort(revokedList.begin(), revokedList.end());
            QCOMPARE(revokedList[0].serialNumber(), QCA::BigInteger("14"));
            QCOMPARE(revokedList[1].serialNumber(), QCA::BigInteger("15"));
            QCOMPARE(revokedList[0].reason(), QCA::CRLEntry::KeyCompromise);
            QCOMPARE(revokedList[1].reason(), QCA::CRLEntry::KeyCompromise);
            QCOMPARE(revokedList[0].time(), QDateTime(QDate(2001, 4, 19), QTime(14, 57, 20), Qt::UTC));
            QCOMPARE(revokedList[1].time(), QDateTime(QDate(2001, 4, 19), QTime(14, 57, 20), Qt::UTC));

            // convert to DER
            QByteArray derCRL1 = crl1.toDER();
            // check we got something, at least
            QCOMPARE(derCRL1.isEmpty(), false);
            // convert back from DER
            QCA::CRL fromDer1 = QCA::CRL::fromDER(derCRL1, &resultCrl, provider);
            // check the conversion at least appeared to work
            QCOMPARE(resultCrl, QCA::ConvertGood);
            // check the result is the same as what we started with
            QCOMPARE(fromDer1, crl1);

            // convert to PEM
            QString pemCRL1 = crl1.toPEM();
            // check we got something, at least
            QCOMPARE(pemCRL1.isEmpty(), false);
            // convert back from PEM
            QCA::CRL fromPEM1 = QCA::CRL::fromPEM(pemCRL1, &resultCrl, provider);
            // check the conversion at least appeared to work
            QCOMPARE(resultCrl, QCA::ConvertGood);
            // check the result is the same as what we started with
            QCOMPARE(fromPEM1, crl1);
        }
    }
}

void CertUnitTest::csr()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("csr", provider))
            QWARN((QStringLiteral("Certificate signing requests not supported for ") + provider)
                      .toLocal8Bit()
                      .constData());
        else {
            QCA::CertificateRequest nullCSR;
            QVERIFY(nullCSR.isNull());
            // This is copied on purpose to check the assignment operator
            QCA::CertificateRequest anotherNullCSR = nullCSR; // NOLINT(performance-unnecessary-copy-initialization)
            QVERIFY(anotherNullCSR.isNull());
            QCOMPARE(nullCSR, anotherNullCSR);

            QCA::ConvertResult      resultCsr;
            QCA::CertificateRequest csr1 =
                QCA::CertificateRequest::fromPEMFile(QStringLiteral("certs/csr1.pem"), &resultCsr, provider);
            QCOMPARE(resultCsr, QCA::ConvertGood);
            QCOMPARE(csr1.isNull(), false);
            QCOMPARE(csr1.provider()->name(), provider);
            QCA::CertificateInfo subject = csr1.subjectInfo();
            QCOMPARE(subject.isEmpty(), false);
            QVERIFY(subject.contains(QCA::Country, QStringLiteral("AU")));
            QVERIFY(subject.contains(QCA::State, QStringLiteral("Victoria")));
            QVERIFY(subject.contains(QCA::Locality, QStringLiteral("Mitcham")));
            QVERIFY(subject.contains(QCA::Organization, QStringLiteral("GE Interlogix")));
            QVERIFY(subject.contains(QCA::OrganizationalUnit, QStringLiteral("Engineering")));
            QVERIFY(subject.contains(QCA::CommonName, QStringLiteral("coldfire")));

            QCA::PublicKey pkey = csr1.subjectPublicKey();
            QCOMPARE(pkey.isNull(), false);
            QVERIFY(pkey.isRSA());

            QCA::RSAPublicKey rsaPkey = pkey.toRSA();
            QCOMPARE(rsaPkey.isNull(), false);
            QCOMPARE(rsaPkey.e(), QCA::BigInteger(65537));
            QCOMPARE(rsaPkey.n(),
                     QCA::BigInteger("104853561647822232509211983664549572246855698961210758585652966258891659217901732"
                                     "470712446421431206166165309547771124747713609923038218156616083520796442797276676"
                                     "074122658684367500665423564881889504308700315044585826841844654287577169905826705"
                                     "891670004942854611681809539126326134927995969418712881512819058439"));

            QCOMPARE(csr1.signatureAlgorithm(), QCA::EMSA3_MD5);
        }
    }
}

void CertUnitTest::csr2()
{
    QStringList providersToTest;
    providersToTest.append(QStringLiteral("qca-ossl"));
    // providersToTest.append("qca-botan");

    foreach (const QString provider, providersToTest) {
        if (!QCA::isSupported("csr", provider))
            QWARN((QStringLiteral("Certificate signing requests not supported for ") + provider)
                      .toLocal8Bit()
                      .constData());
        else {
            QCA::ConvertResult      resultCsr;
            QCA::CertificateRequest csr1 =
                QCA::CertificateRequest::fromPEMFile(QStringLiteral("certs/newreq.pem"), &resultCsr, provider);
            QCOMPARE(resultCsr, QCA::ConvertGood);
            QCOMPARE(csr1.isNull(), false);
            QCOMPARE(csr1.provider()->name(), provider);
            QCA::CertificateInfo subject = csr1.subjectInfo();
            QCOMPARE(subject.isEmpty(), false);
            QVERIFY(subject.contains(QCA::Country, QStringLiteral("AI")));
            QVERIFY(subject.contains(QCA::State, QStringLiteral("Hutt River Province")));
            QVERIFY(subject.contains(QCA::Locality, QStringLiteral("Lesser Internet")));
            QVERIFY(subject.contains(QCA::Organization, QStringLiteral("My Company Ltd")));
            QVERIFY(subject.contains(QCA::OrganizationalUnit, QStringLiteral("Backwater Branch Office")));
            QVERIFY(subject.contains(QCA::CommonName, QStringLiteral("FirstName Surname")));

            QCA::PublicKey pkey = csr1.subjectPublicKey();
            QCOMPARE(pkey.isNull(), false);
            QVERIFY(pkey.isRSA());

            QCA::RSAPublicKey rsaPkey = pkey.toRSA();
            QCOMPARE(rsaPkey.isNull(), false);
            QCOMPARE(rsaPkey.e(), QCA::BigInteger(65537));
            QCOMPARE(rsaPkey.n(),
                     QCA::BigInteger("151872780463004414908584891835397365176526767139347372444365914360701714510188717"
                                     "169754430290680734981291754624394094502297070722505032645306680495915914243593438"
                                     "796635264236530526146243919417744996366836534380790370421346490191416041004278161"
                                     "146551997010463199760480957900518811859984176646089981367745961681"));

            QCOMPARE(csr1.signatureAlgorithm(), QCA::EMSA3_MD5);

            // convert to DER
            QByteArray derCSR1 = csr1.toDER();
            // check we got something, at least
            QCOMPARE(derCSR1.isEmpty(), false);
            // convert back from DER
            QCA::CertificateRequest fromDer1 = QCA::CertificateRequest::fromDER(derCSR1, &resultCsr, provider);
            // check the conversion at least appeared to work
            QCOMPARE(resultCsr, QCA::ConvertGood);
            // check the result is the same as what we started with
            QCOMPARE(fromDer1, csr1);

            // convert to PEM
            QString pemCSR1 = csr1.toPEM();
            // check we got something, at least
            QCOMPARE(pemCSR1.isEmpty(), false);
            // convert back from PEM
            QCA::CertificateRequest fromPEM1 = QCA::CertificateRequest::fromPEM(pemCSR1, &resultCsr, provider);
            // check the conversion at least appeared to work
            QCOMPARE(resultCsr, QCA::ConvertGood);
            // check the result is the same as what we started with
            QCOMPARE(fromPEM1, csr1);
        }
    }
}
QTEST_MAIN(CertUnitTest)

#include "certunittest.moc"
