keepassxc

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/*
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 *  Copyright (C) 2010 Felix Geyer <debfx@fobos.de>
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 *
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 *  This program is free software: you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation, either version 2 or (at your option)
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 *  version 3 of the License.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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#include "TestKeePass2RandomStream.h"
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#include "crypto/Crypto.h"
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#include "crypto/CryptoHash.h"
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#include "crypto/SymmetricCipher.h"
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#include "format/KeePass2.h"
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#include "format/KeePass2RandomStream.h"
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#include <QTest>
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QTEST_GUILESS_MAIN(TestKeePass2RandomStream)
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void TestKeePass2RandomStream::initTestCase()
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{
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    QVERIFY(Crypto::init());
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}
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void TestKeePass2RandomStream::test()
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{
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    const QByteArray key("\x11\x22\x33\x44\x55\x66\x77\x88");
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    const int Size = 128;
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    SymmetricCipher cipher;
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    QVERIFY(cipher.init(SymmetricCipher::Salsa20,
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                        SymmetricCipher::Encrypt,
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                        CryptoHash::hash(key, CryptoHash::Sha256),
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                        KeePass2::INNER_STREAM_SALSA20_IV));
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    const QByteArray data(QByteArray::fromHex("601ec313775789a5b7a7f504bbf3d228f443e3ca4d62b59aca84e990cacaf5c5"
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                                              "2b0930daa23de94ce87017ba2d84988ddfc9c58db67aada613c2dd08457941a6"
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                                              "1abc932417521ca24f2b0459fe7e6e0b090339ec0aa6faefd5ccc2c6f4ce8e94"
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                                              "1e36b26bd1ebc670d1bd1d665620abf74f78a7f6d29809585a97daec58c6b050"));
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    QByteArray cipherPad;
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    cipherPad.fill('\0', Size);
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    QVERIFY(cipher.process(cipherPad));
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    QByteArray cipherData;
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    cipherData.resize(Size);
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    for (int i = 0; i < Size; i++) {
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        cipherData[i] = data[i] ^ cipherPad[i];
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    }
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    KeePass2RandomStream randomStream;
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    bool ok;
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    QVERIFY(randomStream.init(SymmetricCipher::Salsa20, key));
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    QByteArray randomStreamData;
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    randomStreamData.append(randomStream.process(data.mid(0, 7), &ok));
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    QVERIFY(ok);
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    randomStreamData.append(randomStream.process(data.mid(7, 1), &ok));
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    QVERIFY(ok);
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    QByteArray tmpData = data.mid(8, 12);
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    QVERIFY(randomStream.processInPlace(tmpData));
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    randomStreamData.append(tmpData);
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    randomStreamData.append(randomStream.process(data.mid(20, 44), &ok));
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    QVERIFY(ok);
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    randomStreamData.append(randomStream.process(data.mid(64, 64), &ok));
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    QVERIFY(ok);
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    SymmetricCipher cipherEncrypt;
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    QVERIFY(cipherEncrypt.init(SymmetricCipher::Salsa20,
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                               SymmetricCipher::Encrypt,
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                               CryptoHash::hash(key, CryptoHash::Sha256),
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                               KeePass2::INNER_STREAM_SALSA20_IV));
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    QByteArray cipherDataEncrypt = data;
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    QVERIFY(cipherEncrypt.process(cipherDataEncrypt));
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    QCOMPARE(randomStreamData.size(), Size);
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    QCOMPARE(cipherData, cipherDataEncrypt);
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    QCOMPARE(randomStreamData, cipherData);
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}
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