keepassxc/tests/TestSymmetricCipher.cpp
2010-09-19 20:13:23 +02:00

121 lines
4.1 KiB
C++

/*
* 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 <QtCore/QBuffer>
#include <QtTest/QTest>
#include "crypto/Crypto.h"
#include "crypto/SymmetricCipher.h"
#include "streams/SymmetricCipherStream.h"
class TestSymmetricCipher : public QObject
{
Q_OBJECT
private Q_SLOTS:
void initTestCase();
void testAes256CbcEncryption();
void testAes256CbcDecryption();
};
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 plainText = QByteArray::fromHex("6bc1bee22e409f96e93d7e117393172a");
plainText.append(QByteArray::fromHex("ae2d8a571e03ac9c9eb76fac45af8e51"));
QByteArray cipherText = QByteArray::fromHex("f58c4c04d6e5f1ba779eabfb5f7bfbd6");
cipherText.append(QByteArray::fromHex("9cfc4e967edb808d679f777bc6702c7d"));
SymmetricCipher cipher(SymmetricCipher::Aes256, SymmetricCipher::Cbc, SymmetricCipher::Encrypt, key, iv);
QCOMPARE(cipher.blockSize(), 16);
QCOMPARE(cipher.process(plainText),
cipherText);
QBuffer buffer;
SymmetricCipherStream stream(&buffer, SymmetricCipher::Aes256, SymmetricCipher::Cbc, SymmetricCipher::Encrypt, key, iv);
buffer.open(QIODevice::WriteOnly);
stream.open(QIODevice::WriteOnly);
QVERIFY(stream.reset());
buffer.reset();
buffer.buffer().clear();
stream.write(plainText.left(16));
QCOMPARE(buffer.data(), cipherText.left(16));
QVERIFY(stream.reset());
buffer.reset();
buffer.buffer().clear();
stream.write(plainText.left(10));
QCOMPARE(buffer.data(), QByteArray());
QVERIFY(stream.reset());
buffer.reset();
buffer.buffer().clear();
stream.write(plainText.left(10));
stream.close();
QCOMPARE(buffer.data().size(), 16);
}
void TestSymmetricCipher::testAes256CbcDecryption()
{
QByteArray key = QByteArray::fromHex("603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4");
QByteArray iv = QByteArray::fromHex("000102030405060708090a0b0c0d0e0f");
QByteArray cipherText = QByteArray::fromHex("f58c4c04d6e5f1ba779eabfb5f7bfbd6");
cipherText.append(QByteArray::fromHex("9cfc4e967edb808d679f777bc6702c7d"));
QByteArray plainText = QByteArray::fromHex("6bc1bee22e409f96e93d7e117393172a");
plainText.append(QByteArray::fromHex("ae2d8a571e03ac9c9eb76fac45af8e51"));
SymmetricCipher cipher(SymmetricCipher::Aes256, SymmetricCipher::Cbc, SymmetricCipher::Decrypt, key, iv);
QCOMPARE(cipher.blockSize(), 16);
QCOMPARE(cipher.process(cipherText),
plainText);
QBuffer buffer(&cipherText);
SymmetricCipherStream stream(&buffer, SymmetricCipher::Aes256, SymmetricCipher::Cbc, SymmetricCipher::Decrypt, key, iv);
buffer.open(QIODevice::ReadOnly);
stream.open(QIODevice::ReadOnly);
QCOMPARE(stream.read(10),
plainText.left(10));
buffer.reset();
stream.reset();
QCOMPARE(stream.read(20),
plainText.left(20));
buffer.reset();
stream.reset();
QCOMPARE(stream.read(16),
plainText.left(16));
buffer.reset();
stream.reset();
QCOMPARE(stream.read(100),
plainText);
}
QTEST_MAIN(TestSymmetricCipher);
#include "TestSymmetricCipher.moc"