72 lines
2.8 KiB
C++
72 lines
2.8 KiB
C++
#include <gtest/gtest.h>
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#include <cryfs/config/crypto/CryConfigEncryptorFactory.h>
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#include <cpp-utils/crypto/symmetric/ciphers.h>
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#include <cpp-utils/data/DataFixture.h>
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#include "../../testutils/FakeCryKeyProvider.h"
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using cpputils::AES256_GCM;
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using cpputils::Data;
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using cpputils::DataFixture;
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using boost::none;
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using std::ostream;
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using namespace cryfs;
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// This is needed for google test
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namespace boost {
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inline ostream &operator<<(ostream &stream, const CryConfigEncryptor::Decrypted &) {
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return stream << "CryConfigEncryptor::Decrypted()";
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}
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}
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#include <cpp-utils/pointer/unique_ref_boost_optional_gtest_workaround.h>
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class CryConfigEncryptorFactoryTest: public ::testing::Test {
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public:
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};
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TEST_F(CryConfigEncryptorFactoryTest, EncryptAndDecrypt_SameEncryptor) {
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FakeCryKeyProvider keyProvider;
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auto encryptor = CryConfigEncryptorFactory::deriveNewKey(&keyProvider);
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Data encrypted = encryptor->encrypt(DataFixture::generate(400), AES256_GCM::NAME);
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auto decrypted = encryptor->decrypt(encrypted).value();
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EXPECT_EQ(DataFixture::generate(400), decrypted.data);
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}
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TEST_F(CryConfigEncryptorFactoryTest, EncryptAndDecrypt_NewEncryptor) {
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FakeCryKeyProvider keyProvider1(1);
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auto encryptor = CryConfigEncryptorFactory::deriveNewKey(&keyProvider1);
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Data encrypted = encryptor->encrypt(DataFixture::generate(400), AES256_GCM::NAME);
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FakeCryKeyProvider keyProvider2(1);
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auto loadedEncryptor = CryConfigEncryptorFactory::loadExistingKey(encrypted, &keyProvider2).value();
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auto decrypted = loadedEncryptor->decrypt(encrypted).value();
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EXPECT_EQ(DataFixture::generate(400), decrypted.data);
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}
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TEST_F(CryConfigEncryptorFactoryTest, DoesntDecryptWithWrongKey) {
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FakeCryKeyProvider keyProvider1(1);
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auto encryptor = CryConfigEncryptorFactory::deriveNewKey(&keyProvider1);
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Data encrypted = encryptor->encrypt(DataFixture::generate(400), AES256_GCM::NAME);
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FakeCryKeyProvider keyProvider2(2);
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auto loadedEncryptor = CryConfigEncryptorFactory::loadExistingKey(encrypted, &keyProvider2).value();
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auto decrypted = loadedEncryptor->decrypt(encrypted);
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EXPECT_EQ(none, decrypted);
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}
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TEST_F(CryConfigEncryptorFactoryTest, DoesntDecryptWithWrongKey_EmptyData) {
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FakeCryKeyProvider keyProvider1(1);
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auto encryptor = CryConfigEncryptorFactory::deriveNewKey(&keyProvider1);
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Data encrypted = encryptor->encrypt(Data(0), AES256_GCM::NAME);
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FakeCryKeyProvider keyProvider2(2);
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auto loadedEncryptor = CryConfigEncryptorFactory::loadExistingKey(encrypted, &keyProvider2).value();
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auto decrypted = loadedEncryptor->decrypt(encrypted);
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EXPECT_EQ(none, decrypted);
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}
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TEST_F(CryConfigEncryptorFactoryTest, DoesntDecryptInvalidData) {
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FakeCryKeyProvider keyProvider;
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auto loadedEncryptor = CryConfigEncryptorFactory::loadExistingKey(Data(0), &keyProvider);
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EXPECT_EQ(none, loadedEncryptor);
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}
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