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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QTest>
#include <QtNetwork/qpassworddigestor.h>
#include <QtCore/qcryptographichash.h>
#include <QtCore/QByteArray>
#include <limits>
class tst_QPasswordDigestor : public QObject
{
Q_OBJECT
private Q_SLOTS:
void inputSanityChecks();
void pbkdf1Vectors_data();
void pbkdf1Vectors();
void pbkdf2Vectors_data();
void pbkdf2Vectors();
};
void tst_QPasswordDigestor::inputSanityChecks()
{
const QByteArray pass("password");
const QByteArray salt("saltsalt");
#ifndef QT_CRYPTOGRAPHICHASH_ONLY_SHA1
//1. PBKDF1 supports only SHA1 and (if not disabled in Qt) MD5 algorithms.
QTest::ignoreMessage(QtWarningMsg, "The only supported algorithms for pbkdf1 are SHA-1 and MD5!");
auto derivedKey = QPasswordDigestor::deriveKeyPbkdf1(QCryptographicHash::Sha224, pass, salt, 2, 48);
QCOMPARE(derivedKey, QByteArray());
#endif // QT_CRYPTOGRAPHICHASH_ONLY_SHA1
// 2. Salt size must be == 8:
QTest::ignoreMessage(QtWarningMsg, "The salt must be 8 bytes long!");
derivedKey = QPasswordDigestor::deriveKeyPbkdf1(QCryptographicHash::Sha1, pass, "salt", 2, 48);
QCOMPARE(derivedKey, QByteArray());
// 3. An illegal number of iterations (0):
derivedKey = QPasswordDigestor::deriveKeyPbkdf1(QCryptographicHash::Sha1, pass, salt, 0, 48);
QCOMPARE(derivedKey, QByteArray());
// 4. An illegal number of iterations (-10):
derivedKey = QPasswordDigestor::deriveKeyPbkdf1(QCryptographicHash::Sha1, pass, salt, -10, 48);
QCOMPARE(derivedKey, QByteArray());
// 5. An invalid key size (0):
derivedKey = QPasswordDigestor::deriveKeyPbkdf1(QCryptographicHash::Sha1,
"password", "saltsalt", 1, 0);
QCOMPARE(derivedKey, QByteArray());
// 6. Requested key is too large:
QTest::ignoreMessage(QtWarningMsg, "Derived key too long:\n"
" QCryptographicHash::Sha1 was chosen which"
" produces output of length 20 but 120 was requested.");
derivedKey = QPasswordDigestor::deriveKeyPbkdf1(QCryptographicHash::Sha1, pass, salt, 1,
quint64(QCryptographicHash::hashLength(QCryptographicHash::Sha1) + 100));
QCOMPARE(derivedKey, QByteArray());
// 7. Key size is too large, max is quint64(std::numeric_limits<quint32>::max() - 1) * hashLen
const auto invalidDkLen = quint64(QCryptographicHash::hashLength(QCryptographicHash::Sha1))
* (std::numeric_limits<quint32>::max() - 1) + 1;
QTest::ignoreMessage(QtWarningMsg, "Derived key too long:\n"
"QCryptographicHash::Sha1 was chosen which produces output"
" of length 85899345880 but 85899345881 was requested.");
derivedKey = QPasswordDigestor::deriveKeyPbkdf2(QCryptographicHash::Sha1, pass, salt, 1, invalidDkLen);
QCOMPARE(derivedKey, QByteArray());
// 8. Invalid number of iterations.
derivedKey = QPasswordDigestor::deriveKeyPbkdf2(QCryptographicHash::Sha1, pass, salt, 0, 100);
QCOMPARE(derivedKey, QByteArray());
// 9. Invalid (negative) number of iterations.
derivedKey = QPasswordDigestor::deriveKeyPbkdf2(QCryptographicHash::Sha1, pass, salt, -100, 100);
QCOMPARE(derivedKey, QByteArray());
}
void tst_QPasswordDigestor::pbkdf1Vectors_data()
{
QTest::addColumn<QCryptographicHash::Algorithm>("algorithm");
QTest::addColumn<QByteArray>("password");
QTest::addColumn<QByteArray>("salt");
QTest::addColumn<int>("iterations");
QTest::addColumn<int>("dkLen");
QTest::addColumn<QByteArray>("result");
// data from
// https://web.archive.org/web/20160912052752/https://www.di-mgt.com.au/cryptoKDFs.html#examplespbkdf
// (Note: this is not official, but at least it's something to compare with.)
QTest::newRow("di-mgt") << QCryptographicHash::Sha1 << QByteArray::fromHex("70617373776F7264")
<< QByteArray::fromHex("78578E5A5D63CB06") << 1000 << 16
<< QByteArray::fromHex("DC19847E05C64D2FAF10EBFB4A3D2A20");
}
void tst_QPasswordDigestor::pbkdf1Vectors()
{
QFETCH(QCryptographicHash::Algorithm, algorithm);
QFETCH(QByteArray, password);
QFETCH(QByteArray, salt);
QFETCH(int, iterations);
QFETCH(int, dkLen);
QFETCH(QByteArray, result);
QCOMPARE(QPasswordDigestor::deriveKeyPbkdf1(algorithm, password, salt, iterations, dkLen), result);
}
void tst_QPasswordDigestor::pbkdf2Vectors_data()
{
QTest::addColumn<QCryptographicHash::Algorithm>("algorithm");
QTest::addColumn<QByteArray>("password");
QTest::addColumn<QByteArray>("salt");
QTest::addColumn<int>("iterations");
QTest::addColumn<int>("dkLen");
QTest::addColumn<QByteArray>("result");
// data from https://tools.ietf.org/html/rfc6070
auto hash = QCryptographicHash::Sha1;
QTest::newRow("rfc6070-1") << hash << QByteArrayLiteral("password") << QByteArrayLiteral("salt")
<< 1 << 20
<< QByteArray::fromHex("0c60c80f961f0e71f3a9b524af6012062fe037a6");
QTest::newRow("rfc6070-2") << hash << QByteArrayLiteral("password") << QByteArrayLiteral("salt")
<< 2 << 20
<< QByteArray::fromHex("ea6c014dc72d6f8ccd1ed92ace1d41f0d8de8957");
QTest::newRow("rfc6070-3") << hash << QByteArrayLiteral("password") << QByteArrayLiteral("salt")
<< 4096 << 20
<< QByteArray::fromHex("4b007901b765489abead49d926f721d065a429c1");
#if 0
// Excluding: takes about 3 minutes to run
QTest::newRow("rfc6070-4") << hash << QByteArrayLiteral("password") << QByteArrayLiteral("salt")
<< 16777216 << 20
<< QByteArray::fromHex("eefe3d61cd4da4e4e9945b3d6ba2158c2634e984");
#endif
QTest::newRow("rfc6070-5") << hash << QByteArrayLiteral("passwordPASSWORDpassword")
<< QByteArrayLiteral("saltSALTsaltSALTsaltSALTsaltSALTsalt") << 4096
<< 25
<< QByteArray::fromHex(
"3d2eec4fe41c849b80c8d83662c0e44a8b291a964cf2f07038");
QTest::newRow("rfc6070-6") << hash << QByteArrayLiteral("pass\0word")
<< QByteArrayLiteral("sa\0lt") << 4096 << 16
<< QByteArray::fromHex("56fa6aa75548099dcc37d7f03425e0c3");
// the next few bits of data are from https://tools.ietf.org/html/rfc3962#appendix-B
QByteArray password = QByteArrayLiteral("password");
QByteArray salt = QByteArrayLiteral("ATHENA.MIT.EDUraeburn");
QTest::newRow("rfc3962-1") << hash << password << salt << 1 << 16
<< QByteArray::fromHex("cdedb5281bb2f801565a1122b2563515");
QTest::newRow("rfc3962-2")
<< hash << password << salt << 1 << 32
<< QByteArray::fromHex("cdedb5281bb2f801565a1122b25635150ad1f7a04bb9f3a333ecc0e2e1f70837");
QTest::newRow("rfc3962-3") << hash << password << salt << 2 << 16
<< QByteArray::fromHex("01dbee7f4a9e243e988b62c73cda935d");
QTest::newRow("rfc3962-4")
<< hash << QByteArrayLiteral("password") << salt << 2 << 32
<< QByteArray::fromHex("01dbee7f4a9e243e988b62c73cda935da05378b93244ec8f48a99e61ad799d86");
QTest::newRow("rfc3962-5") << hash << password << salt << 1200 << 16
<< QByteArray::fromHex("5c08eb61fdf71e4e4ec3cf6ba1f5512b");
QTest::newRow("rfc3962-6")
<< hash << password << salt << 1200 << 32
<< QByteArray::fromHex("5c08eb61fdf71e4e4ec3cf6ba1f5512ba7e52ddbc5e5142f708a31e2e62b1e13");
salt = QByteArray::fromHex("1234567878563412"); // 0x1234567878563412
QTest::newRow("rfc3962-7") << hash << password << salt << 5 << 16
<< QByteArray::fromHex("d1daa78615f287e6a1c8b120d7062a49");
QTest::newRow("rfc3962-8")
<< hash << password << salt << 5 << 32
<< QByteArray::fromHex("d1daa78615f287e6a1c8b120d7062a493f98d203e6be49a6adf4fa574b6e64ee");
password = QByteArray(64, 'X');
salt = "pass phrase equals block size";
QTest::newRow("rfc3962-9") << hash << password << salt << 1200 << 16
<< QByteArray::fromHex("139c30c0966bc32ba55fdbf212530ac9");
QTest::newRow("rfc3962-10")
<< hash << password << salt << 1200 << 32
<< QByteArray::fromHex("139c30c0966bc32ba55fdbf212530ac9c5ec59f1a452f5cc9ad940fea0598ed1");
password.append('X');
salt = "pass phrase exceeds block size";
QTest::newRow("rfc3962-11") << hash << password << salt << 1200 << 16
<< QByteArray::fromHex("9ccad6d468770cd51b10e6a68721be61");
QTest::newRow("rfc3962-12")
<< hash << password << salt << 1200 << 32
<< QByteArray::fromHex("9ccad6d468770cd51b10e6a68721be611a8b4d282601db3b36be9246915ec82a");
password = QByteArray::fromHex("f09d849e"); // 0xf09d849e
salt = "EXAMPLE.COMpianist";
QTest::newRow("rfc3962-13") << hash << password << salt << 50 << 16
<< QByteArray::fromHex("6b9cf26d45455a43a5b8bb276a403b39");
QTest::newRow("rfc3962-14")
<< hash << password << salt << 50 << 32
<< QByteArray::fromHex("6b9cf26d45455a43a5b8bb276a403b39e7fe37a0c41e02c281ff3069e1e94f52");
}
void tst_QPasswordDigestor::pbkdf2Vectors()
{
QFETCH(QCryptographicHash::Algorithm, algorithm);
QFETCH(QByteArray, password);
QFETCH(QByteArray, salt);
QFETCH(int, iterations);
QFETCH(int, dkLen);
QFETCH(QByteArray, result);
QCOMPARE(QPasswordDigestor::deriveKeyPbkdf2(algorithm, password, salt, iterations, dkLen), result);
}
QTEST_MAIN(tst_QPasswordDigestor)
#include "tst_qpassworddigestor.moc"
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