mirror of
https://github.com/keepassxreboot/keepassxc.git
synced 2024-10-01 01:26:01 -04:00
349 lines
14 KiB
C++
349 lines
14 KiB
C++
/*
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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 "TestSymmetricCipher.h"
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#include <QBuffer>
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#include <QTest>
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#include "crypto/Crypto.h"
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#include "crypto/SymmetricCipher.h"
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#include "streams/SymmetricCipherStream.h"
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QTEST_GUILESS_MAIN(TestSymmetricCipher)
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void TestSymmetricCipher::initTestCase()
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{
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QVERIFY(Crypto::init());
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}
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void TestSymmetricCipher::testAes256CbcEncryption()
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{
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// http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
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QByteArray key = QByteArray::fromHex("603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4");
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QByteArray iv = QByteArray::fromHex("000102030405060708090a0b0c0d0e0f");
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QByteArray plainText = QByteArray::fromHex("6bc1bee22e409f96e93d7e117393172a");
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plainText.append(QByteArray::fromHex("ae2d8a571e03ac9c9eb76fac45af8e51"));
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QByteArray cipherText = QByteArray::fromHex("f58c4c04d6e5f1ba779eabfb5f7bfbd6");
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cipherText.append(QByteArray::fromHex("9cfc4e967edb808d679f777bc6702c7d"));
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bool ok;
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SymmetricCipher cipher(SymmetricCipher::Aes256, SymmetricCipher::Cbc, SymmetricCipher::Encrypt);
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QVERIFY(cipher.init(key, iv));
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QCOMPARE(cipher.blockSize(), 16);
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QCOMPARE(cipher.process(plainText, &ok),
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cipherText);
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QVERIFY(ok);
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QBuffer buffer;
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SymmetricCipherStream stream(&buffer, SymmetricCipher::Aes256, SymmetricCipher::Cbc,
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SymmetricCipher::Encrypt);
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QVERIFY(stream.init(key, iv));
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buffer.open(QIODevice::WriteOnly);
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QVERIFY(stream.open(QIODevice::WriteOnly));
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QVERIFY(stream.reset());
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buffer.reset();
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buffer.buffer().clear();
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QCOMPARE(stream.write(plainText.left(16)), qint64(16));
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QCOMPARE(buffer.data(), cipherText.left(16));
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QVERIFY(stream.reset());
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// make sure padding is written
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QCOMPARE(buffer.data().size(), 32);
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buffer.reset();
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buffer.buffer().clear();
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QCOMPARE(stream.write(plainText.left(10)), qint64(10));
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QVERIFY(buffer.data().isEmpty());
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QVERIFY(stream.reset());
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buffer.reset();
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buffer.buffer().clear();
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QCOMPARE(stream.write(plainText.left(10)), qint64(10));
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stream.close();
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QCOMPARE(buffer.data().size(), 16);
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}
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void TestSymmetricCipher::testAes256CbcDecryption()
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{
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QByteArray key = QByteArray::fromHex("603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4");
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QByteArray iv = QByteArray::fromHex("000102030405060708090a0b0c0d0e0f");
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QByteArray cipherText = QByteArray::fromHex("f58c4c04d6e5f1ba779eabfb5f7bfbd6");
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cipherText.append(QByteArray::fromHex("9cfc4e967edb808d679f777bc6702c7d"));
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QByteArray plainText = QByteArray::fromHex("6bc1bee22e409f96e93d7e117393172a");
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plainText.append(QByteArray::fromHex("ae2d8a571e03ac9c9eb76fac45af8e51"));
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bool ok;
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SymmetricCipher cipher(SymmetricCipher::Aes256, SymmetricCipher::Cbc, SymmetricCipher::Decrypt);
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QVERIFY(cipher.init(key, iv));
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QCOMPARE(cipher.blockSize(), 16);
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QCOMPARE(cipher.process(cipherText, &ok),
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plainText);
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QVERIFY(ok);
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// padded with 16 0x16 bytes
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QByteArray cipherTextPadded = cipherText + QByteArray::fromHex("3a3aa5e0213db1a9901f9036cf5102d2");
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QBuffer buffer(&cipherTextPadded);
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SymmetricCipherStream stream(&buffer, SymmetricCipher::Aes256, SymmetricCipher::Cbc,
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SymmetricCipher::Decrypt);
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QVERIFY(stream.init(key, iv));
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buffer.open(QIODevice::ReadOnly);
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QVERIFY(stream.open(QIODevice::ReadOnly));
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QCOMPARE(stream.read(10),
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plainText.left(10));
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buffer.reset();
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QVERIFY(stream.reset());
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QCOMPARE(stream.read(20),
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plainText.left(20));
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buffer.reset();
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QVERIFY(stream.reset());
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QCOMPARE(stream.read(16),
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plainText.left(16));
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buffer.reset();
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QVERIFY(stream.reset());
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QCOMPARE(stream.read(100),
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plainText);
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}
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void TestSymmetricCipher::testTwofish256CbcEncryption()
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{
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// NIST MCT Known-Answer Tests (cbc_e_m.txt)
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// https://www.schneier.com/code/twofish-kat.zip
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QVector<QByteArray> keys {
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QByteArray::fromHex("0000000000000000000000000000000000000000000000000000000000000000"),
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QByteArray::fromHex("D0A260EB41755B19374BABF259A79DB3EA7162E65490B03B1AE4871FB35EF23B"),
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QByteArray::fromHex("8D55E4849A4DED08D89881E6708EDD26BEEE942073DFB3790B2798B240ACD74A"),
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QByteArray::fromHex("606EFDC2066A837AF0430EBE4CF1F21071CCB236C33B4B9D82404FDB05C74621"),
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QByteArray::fromHex("B119AA9485CEEEB4CC778AF21121E54DE4BDBA3498C61C8FD9004AA0C71909C3")
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};
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QVector<QByteArray> ivs {
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QByteArray::fromHex("00000000000000000000000000000000"),
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QByteArray::fromHex("EA7162E65490B03B1AE4871FB35EF23B"),
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QByteArray::fromHex("549FF6C6274F034211C31FADF3F22571"),
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QByteArray::fromHex("CF222616B0E4F8E48967D769456B916B"),
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QByteArray::fromHex("957108025BFD57125B40057BC2DE4FE2")
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};
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QVector<QByteArray> plainTexts {
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QByteArray::fromHex("00000000000000000000000000000000"),
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QByteArray::fromHex("D0A260EB41755B19374BABF259A79DB3"),
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QByteArray::fromHex("5DF7846FDB38B611EFD32A1429294095"),
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QByteArray::fromHex("ED3B19469C276E7228DB8F583C7F2F36"),
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QByteArray::fromHex("D177575683A46DCE3C34844C5DD0175D")
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};
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QVector<QByteArray> cipherTexts {
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QByteArray::fromHex("EA7162E65490B03B1AE4871FB35EF23B"),
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QByteArray::fromHex("549FF6C6274F034211C31FADF3F22571"),
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QByteArray::fromHex("CF222616B0E4F8E48967D769456B916B"),
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QByteArray::fromHex("957108025BFD57125B40057BC2DE4FE2"),
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QByteArray::fromHex("6F725C5950133F82EF021A94CADC8508")
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};
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SymmetricCipher cipher(SymmetricCipher::Twofish, SymmetricCipher::Cbc, SymmetricCipher::Encrypt);
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bool ok;
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for (int i = 0; i < keys.size(); ++i) {
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cipher.init(keys[i], ivs[i]);
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QByteArray ptNext = plainTexts[i];
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QByteArray ctPrev = ivs[i];
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QByteArray ctCur;
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QCOMPARE(cipher.blockSize(), 16);
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for (int j = 0; j < 5000; ++j) {
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ctCur = cipher.process(ptNext, &ok);
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if (!ok)
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break;
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ptNext = ctPrev;
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ctPrev = ctCur;
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ctCur = cipher.process(ptNext, &ok);
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if (!ok)
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break;
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ptNext = ctPrev;
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ctPrev = ctCur;
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}
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QVERIFY(ok);
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QCOMPARE(ctCur, cipherTexts[i]);
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}
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}
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void TestSymmetricCipher::testTwofish256CbcDecryption()
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{
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// NIST MCT Known-Answer Tests (cbc_d_m.txt)
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// https://www.schneier.com/code/twofish-kat.zip
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QVector<QByteArray> keys {
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QByteArray::fromHex("0000000000000000000000000000000000000000000000000000000000000000"),
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QByteArray::fromHex("1B1FE8F5A911CD4C0D800EDCE8ED0A942CBA6271A1044F90C30BA8FE91E1C163"),
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QByteArray::fromHex("EBA31FF8D2A24FDD769A937353E23257294A33394E4D17A668060AD8230811A1"),
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QByteArray::fromHex("1DCF1915C389AB273F80F897BF008F058ED89F58A95C1BE523C4B11295ED2D0F"),
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QByteArray::fromHex("491B9A66D3ED4EF19F02180289D5B1A1C2596AE568540A95DC5244198A9B8869")
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};
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QVector<QByteArray> ivs {
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QByteArray::fromHex("00000000000000000000000000000000"),
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QByteArray::fromHex("1B1FE8F5A911CD4C0D800EDCE8ED0A94"),
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QByteArray::fromHex("F0BCF70D7BB382917B1A9DAFBB0F38C3"),
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QByteArray::fromHex("F66C06ED112BE4FA491A6BE4ECE2BD52"),
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QByteArray::fromHex("54D483731064E5D6A082E09536D53EA4")
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};
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QVector<QByteArray> plainTexts {
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QByteArray::fromHex("2CBA6271A1044F90C30BA8FE91E1C163"),
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QByteArray::fromHex("05F05148EF495836AB0DA226B2E9D0C2"),
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QByteArray::fromHex("A792AC61E7110C434BC2BBCAB6E53CAE"),
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QByteArray::fromHex("4C81F5BDC1081170FF96F50B1F76A566"),
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QByteArray::fromHex("BD959F5B787037631A37051EA5F369F8")
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};
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QVector<QByteArray> cipherTexts {
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QByteArray::fromHex("00000000000000000000000000000000"),
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QByteArray::fromHex("2CBA6271A1044F90C30BA8FE91E1C163"),
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QByteArray::fromHex("05F05148EF495836AB0DA226B2E9D0C2"),
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QByteArray::fromHex("A792AC61E7110C434BC2BBCAB6E53CAE"),
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QByteArray::fromHex("4C81F5BDC1081170FF96F50B1F76A566")
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};
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SymmetricCipher cipher(SymmetricCipher::Twofish, SymmetricCipher::Cbc, SymmetricCipher::Decrypt);
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bool ok;
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for (int i = 0; i < keys.size(); ++i) {
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cipher.init(keys[i], ivs[i]);
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QByteArray ctNext = cipherTexts[i];
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QByteArray ptCur;
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QCOMPARE(cipher.blockSize(), 16);
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for (int j = 0; j < 5000; ++j) {
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ptCur = cipher.process(ctNext, &ok);
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if (!ok)
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break;
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ctNext = ptCur;
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ptCur = cipher.process(ctNext, &ok);
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if (!ok)
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break;
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ctNext = ptCur;
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}
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QVERIFY(ok);
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QCOMPARE(ptCur, plainTexts[i]);
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}
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}
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void TestSymmetricCipher::testSalsa20()
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{
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// http://www.ecrypt.eu.org/stream/svn/viewcvs.cgi/ecrypt/trunk/submissions/salsa20/full/verified.test-vectors?logsort=rev&rev=210&view=markup
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QByteArray key = QByteArray::fromHex("F3F4F5F6F7F8F9FAFBFCFDFEFF000102030405060708090A0B0C0D0E0F101112");
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QByteArray iv = QByteArray::fromHex("0000000000000000");
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bool ok;
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SymmetricCipher cipher(SymmetricCipher::Salsa20, SymmetricCipher::Stream, SymmetricCipher::Encrypt);
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QVERIFY(cipher.init(key, iv));
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QByteArray cipherTextA;
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for (int i = 0; i < 8; i++) {
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cipherTextA.append(cipher.process(QByteArray(64, '\0'), &ok));
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QVERIFY(ok);
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}
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cipher.reset();
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QByteArray cipherTextB = cipher.process(QByteArray(512, '\0'), &ok);
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QVERIFY(ok);
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cipher.reset();
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QByteArray expectedCipherText1;
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expectedCipherText1.append(QByteArray::fromHex("B4C0AFA503BE7FC29A62058166D56F8F"));
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expectedCipherText1.append(QByteArray::fromHex("5D27DC246F75B9AD8760C8C39DFD8749"));
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expectedCipherText1.append(QByteArray::fromHex("2D3B76D5D9637F009EADA14458A52DFB"));
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expectedCipherText1.append(QByteArray::fromHex("09815337E72672681DDDC24633750D83"));
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QByteArray expectedCipherText2;
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expectedCipherText2.append(QByteArray::fromHex("DBBA0683DF48C335A9802EEF02522563"));
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expectedCipherText2.append(QByteArray::fromHex("54C9F763C3FDE19131A6BB7B85040624"));
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expectedCipherText2.append(QByteArray::fromHex("B1D6CD4BF66D16F7482236C8602A6D58"));
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expectedCipherText2.append(QByteArray::fromHex("505EEDCCA0B77AED574AB583115124B9"));
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QByteArray expectedCipherText3;
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expectedCipherText3.append(QByteArray::fromHex("F0C5F98BAE05E019764EF6B65E0694A9"));
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expectedCipherText3.append(QByteArray::fromHex("04CB9EC9C10C297B1AB1A6052365BB78"));
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expectedCipherText3.append(QByteArray::fromHex("E55D3C6CB9F06184BA7D425A92E7E987"));
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expectedCipherText3.append(QByteArray::fromHex("757FC5D9AFD7082418DD64125CA6F2B6"));
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QByteArray expectedCipherText4;
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expectedCipherText4.append(QByteArray::fromHex("5A5FB5C8F0AFEA471F0318A4A2792F7A"));
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expectedCipherText4.append(QByteArray::fromHex("A5C67B6D6E0F0DDB79961C34E3A564BA"));
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expectedCipherText4.append(QByteArray::fromHex("2EECE78D9AFF45E510FEAB1030B102D3"));
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expectedCipherText4.append(QByteArray::fromHex("9DFCECB77F5798F7D2793C0AB09C7A04"));
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QCOMPARE(cipherTextA.mid(0, 64), expectedCipherText1);
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QCOMPARE(cipherTextA.mid(192, 64), expectedCipherText2);
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QCOMPARE(cipherTextA.mid(256, 64), expectedCipherText3);
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QCOMPARE(cipherTextA.mid(448, 64), expectedCipherText4);
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QCOMPARE(cipherTextB.mid(0, 64), expectedCipherText1);
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QCOMPARE(cipherTextB.mid(192, 64), expectedCipherText2);
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QCOMPARE(cipherTextB.mid(256, 64), expectedCipherText3);
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QCOMPARE(cipherTextB.mid(448, 64), expectedCipherText4);
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}
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void TestSymmetricCipher::testPadding()
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{
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QByteArray key = QByteArray::fromHex("603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4");
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QByteArray iv = QByteArray::fromHex("000102030405060708090a0b0c0d0e0f");
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QByteArray plainText = QByteArray::fromHex("6bc1bee22e409f96e93d");
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QBuffer buffer;
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buffer.open(QIODevice::ReadWrite);
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SymmetricCipherStream streamEnc(&buffer, SymmetricCipher::Aes256, SymmetricCipher::Cbc,
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SymmetricCipher::Encrypt);
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QVERIFY(streamEnc.init(key, iv));
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streamEnc.open(QIODevice::WriteOnly);
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streamEnc.write(plainText);
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streamEnc.close();
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buffer.reset();
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// make sure padding is written
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QCOMPARE(buffer.buffer().size(), 16);
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SymmetricCipherStream streamDec(&buffer, SymmetricCipher::Aes256, SymmetricCipher::Cbc,
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SymmetricCipher::Decrypt);
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QVERIFY(streamDec.init(key, iv));
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streamDec.open(QIODevice::ReadOnly);
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QByteArray decrypted = streamDec.readAll();
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QCOMPARE(decrypted, plainText);
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}
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void TestSymmetricCipher::testStreamReset()
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{
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QByteArray key = QByteArray::fromHex("603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4");
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QByteArray iv = QByteArray::fromHex("000102030405060708090a0b0c0d0e0f");
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QBuffer buffer;
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QVERIFY(buffer.open(QIODevice::WriteOnly));
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SymmetricCipherStream writer(&buffer, SymmetricCipher::Aes256, SymmetricCipher::Cbc,
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SymmetricCipher::Encrypt);
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QVERIFY(writer.init(key, iv));
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QVERIFY(writer.open(QIODevice::WriteOnly));
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QCOMPARE(writer.write(QByteArray(4, 'Z')), qint64(4));
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// test if reset() and close() write only one block
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QVERIFY(writer.reset());
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QVERIFY(writer.reset());
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writer.close();
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QCOMPARE(buffer.buffer().size(), 16);
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}
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