158 lines
4 KiB
C++
158 lines
4 KiB
C++
/*!
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* \copyright Copyright (c) 2014-2018 Governikus GmbH & Co. KG, Germany
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*/
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#include "asn1/KnownOIDs.h"
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#include "pace/KeyDerivationFunction.h"
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#include "pace/SymmetricCipher.h"
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#include <openssl/evp.h>
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#include <QtTest>
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using namespace governikus;
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class test_SymmetricCipher
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: public QObject
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{
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Q_OBJECT
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private:
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const QByteArray DATA = QByteArray::fromRawData("Moin Moin Anton!", 16);
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private Q_SLOTS:
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void unknownAlgorithm()
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{
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QByteArray paceAlgo("unknown-algorithm");
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KeyDerivationFunction kdf(paceAlgo);
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QByteArray key = kdf.pi("123456");
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SymmetricCipher sc(paceAlgo, key);
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QVERIFY(!sc.isInitialized());
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QVERIFY(sc.encrypt(QByteArray()).isEmpty());
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QVERIFY(sc.decrypt(QByteArray()).isEmpty());
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}
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void tripleDes()
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{
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QByteArray paceAlgo = toByteArray(KnownOIDs::id_PACE::ECDH::GM_3DES_CBC_CBC);
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KeyDerivationFunction kdf(paceAlgo);
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QByteArray key = kdf.pi("123456");
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SymmetricCipher sc(paceAlgo, key);
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QVERIFY(!sc.isInitialized());
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QVERIFY(sc.encrypt(QByteArray()).isEmpty());
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QVERIFY(sc.decrypt(QByteArray()).isEmpty());
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}
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void wrongKeySize()
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{
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QByteArray paceAlgo = toByteArray(KnownOIDs::id_PACE::ECDH::GM_AES_CBC_CMAC_128);
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QByteArray key("123456");
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SymmetricCipher sc(paceAlgo, key);
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QVERIFY(!sc.isInitialized());
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QVERIFY(sc.encrypt(QByteArray()).isEmpty());
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QVERIFY(sc.decrypt(QByteArray()).isEmpty());
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}
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void noData()
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{
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QByteArray paceAlgo = toByteArray(KnownOIDs::id_PACE::ECDH::GM_AES_CBC_CMAC_128);
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KeyDerivationFunction kdf(paceAlgo);
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QByteArray key = kdf.pi("123456");
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SymmetricCipher sc(paceAlgo, key);
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QVERIFY(sc.encrypt(QByteArray()).isEmpty());
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QVERIFY(sc.decrypt(QByteArray()).isEmpty());
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}
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void aes128()
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{
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QByteArray paceAlgo = toByteArray(KnownOIDs::id_PACE::ECDH::GM_AES_CBC_CMAC_128);
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KeyDerivationFunction kdf(paceAlgo);
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QByteArray key = kdf.pi("123456");
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SymmetricCipher sc(paceAlgo, key);
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QByteArray encryptedData = sc.encrypt(DATA);
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QByteArray decryptedData = sc.decrypt(encryptedData);
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QVERIFY(sc.isInitialized());
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QCOMPARE(decryptedData, DATA);
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}
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void aes196()
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{
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QByteArray paceAlgo = toByteArray(KnownOIDs::id_PACE::ECDH::GM_AES_CBC_CMAC_192);
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KeyDerivationFunction kdf(paceAlgo);
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QByteArray key = kdf.pi("123456");
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SymmetricCipher sc(paceAlgo, key);
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QByteArray encryptedData = sc.encrypt(DATA);
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QByteArray decryptedData = sc.decrypt(encryptedData);
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QVERIFY(sc.isInitialized());
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QCOMPARE(decryptedData, DATA);
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}
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void aes256()
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{
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QByteArray paceAlgo = toByteArray(KnownOIDs::id_PACE::ECDH::GM_AES_CBC_CMAC_256);
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KeyDerivationFunction kdf(paceAlgo);
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QByteArray key = kdf.pi("123456");
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SymmetricCipher sc(paceAlgo, key);
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QByteArray encryptedData = sc.encrypt(DATA);
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QByteArray decryptedData = sc.decrypt(encryptedData);
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QVERIFY(sc.isInitialized());
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QCOMPARE(decryptedData, DATA);
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}
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void multipleuse()
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{
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QByteArray paceAlgo = toByteArray(KnownOIDs::id_PACE::ECDH::GM_AES_CBC_CMAC_256);
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KeyDerivationFunction kdf(paceAlgo);
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QByteArray key = kdf.pi("123456");
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SymmetricCipher sc(paceAlgo, key);
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QCOMPARE(sc.decrypt(sc.encrypt(DATA)), DATA);
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QCOMPARE(sc.decrypt(sc.encrypt(DATA)), DATA);
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QCOMPARE(sc.decrypt(sc.encrypt(DATA)), DATA);
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QCOMPARE(sc.decrypt(sc.encrypt(DATA)), DATA);
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QCOMPARE(sc.decrypt(sc.encrypt(DATA)), DATA);
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}
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void setIv()
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{
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QByteArray paceAlgo = toByteArray(KnownOIDs::id_PACE::ECDH::GM_AES_CBC_CMAC_256);
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KeyDerivationFunction kdf(paceAlgo);
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QByteArray key = kdf.pi("123456");
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SymmetricCipher sc(paceAlgo, key);
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QByteArray encryptedData = sc.encrypt(DATA);
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sc.setIv(QByteArray().fill(1, 16));
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QByteArray decryptedData_withIv1 = sc.decrypt(encryptedData);
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sc.setIv(QByteArray().fill(0, 16));
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QByteArray decryptedData_withIv0 = sc.decrypt(encryptedData);
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QCOMPARE(decryptedData_withIv0, DATA);
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QVERIFY(decryptedData_withIv1 != DATA);
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}
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};
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QTEST_GUILESS_MAIN(test_SymmetricCipher)
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#include "test_SymmetricCipher.moc"
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