| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| /////////////////////////////////////////////////////////////////////////////// |
| #include "tink/util/test_util.h" |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| #include "tink/subtle/random.h" |
| #include "tink/util/test_matchers.h" |
| #include "proto/aes_gcm.pb.h" |
| #include "proto/tink.pb.h" |
| |
| namespace crypto { |
| namespace tink { |
| namespace test { |
| namespace { |
| |
| using ::google::crypto::tink::AesGcmKey; |
| using ::google::crypto::tink::KeyData; |
| using ::testing::Eq; |
| using ::testing::Not; |
| |
| TEST(AsKeyDataTest, Basic) { |
| AesGcmKey key; |
| key.set_key_value(crypto::tink::subtle::Random::GetRandomBytes(11)); |
| |
| KeyData key_data = AsKeyData(key, KeyData::SYMMETRIC); |
| |
| EXPECT_THAT(key_data.type_url(), |
| Eq("type.googleapis.com/google.crypto.tink.AesGcmKey")); |
| EXPECT_THAT(key_data.key_material_type(), Eq(KeyData::SYMMETRIC)); |
| AesGcmKey deserialized_key; |
| EXPECT_TRUE(deserialized_key.ParseFromString(key_data.value())); |
| EXPECT_THAT(deserialized_key.key_value(), Eq(key.key_value())); |
| } |
| |
| TEST(DummyTests, Aead) { |
| EXPECT_THAT(DummyAead("dummy").Encrypt("foo", "bar").ValueOrDie(), |
| Eq("5:3:dummybarfoo")); |
| } |
| |
| TEST(DummyTests, AeadCord) { |
| absl::Cord plaintext; |
| plaintext.Append("foo"); |
| absl::Cord aad; |
| aad.Append("bar"); |
| |
| EXPECT_THAT(DummyCordAead("dummy").Encrypt(plaintext, aad).ValueOrDie(), |
| Eq("5:3:dummybarfoo")); |
| } |
| |
| TEST(DummyTests, AeadCordMultipleChunks) { |
| absl::Cord plaintext; |
| plaintext.Append("f"); |
| plaintext.Append("o"); |
| plaintext.Append("o"); |
| absl::Cord aad; |
| aad.Append("b"); |
| aad.Append("a"); |
| aad.Append("r"); |
| |
| EXPECT_THAT(DummyCordAead("dummy").Encrypt(plaintext, aad).ValueOrDie(), |
| Eq("5:3:dummybarfoo")); |
| } |
| |
| TEST(ZTests, UniformString) { |
| EXPECT_THAT(ZTestUniformString(std::string(32, 0xaa)), IsOk()); |
| EXPECT_THAT(ZTestUniformString(std::string(32, 0x00)), Not(IsOk())); |
| EXPECT_THAT(ZTestUniformString(subtle::Random::GetRandomBytes(32)), IsOk()); |
| } |
| |
| TEST(ZTests, CrossCorrelationUniformString) { |
| EXPECT_THAT(ZTestCrosscorrelationUniformStrings(std::string(32, 0xaa), |
| std::string(32, 0x99)), |
| IsOk()); |
| EXPECT_THAT(ZTestCrosscorrelationUniformStrings(std::string(32, 0xaa), |
| std::string(32, 0xaa)), |
| Not(IsOk())); |
| EXPECT_THAT( |
| ZTestCrosscorrelationUniformStrings(subtle::Random::GetRandomBytes(32), |
| subtle::Random::GetRandomBytes(32)), |
| IsOk()); |
| } |
| |
| TEST(ZTests, AutocorrelationUniformString) { |
| EXPECT_THAT(ZTestAutocorrelationUniformString(std::string(32, 0xaa)), |
| Not(IsOk())); |
| EXPECT_THAT(ZTestAutocorrelationUniformString(std::string( |
| "This is a text that is only ascii characters and therefore " |
| "not random. It needs quite a few characters before it has " |
| "enough to find a pattern, though, as it is text.")), |
| Not(IsOk())); |
| EXPECT_THAT( |
| ZTestAutocorrelationUniformString(subtle::Random::GetRandomBytes(32)), |
| IsOk()); |
| } |
| |
| } // namespace |
| } // namespace test |
| } // namespace tink |
| } // namespace crypto |