| // Copyright 2019 Google LLC |
| // |
| // 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/aead/kms_aead_key_manager.h" |
| |
| #include <stdlib.h> |
| |
| #include <memory> |
| #include <string> |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| #include "absl/memory/memory.h" |
| #include "absl/status/status.h" |
| #include "tink/aead.h" |
| #include "tink/kms_client.h" |
| #include "tink/kms_clients.h" |
| #include "tink/subtle/aead_test_util.h" |
| #include "tink/util/status.h" |
| #include "tink/util/statusor.h" |
| #include "tink/util/test_matchers.h" |
| #include "tink/util/test_util.h" |
| #include "proto/kms_aead.pb.h" |
| #include "proto/tink.pb.h" |
| |
| namespace crypto { |
| namespace tink { |
| |
| using ::crypto::tink::test::DummyAead; |
| using ::crypto::tink::test::DummyKmsClient; |
| using ::crypto::tink::test::IsOk; |
| using ::crypto::tink::test::StatusIs; |
| using ::google::crypto::tink::KmsAeadKey; |
| using ::google::crypto::tink::KmsAeadKeyFormat; |
| using ::testing::Eq; |
| using ::testing::Not; |
| |
| namespace { |
| |
| TEST(KmsAeadKeyManagerTest, Basics) { |
| EXPECT_THAT(KmsAeadKeyManager().get_version(), Eq(0)); |
| EXPECT_THAT(KmsAeadKeyManager().get_key_type(), |
| Eq("type.googleapis.com/google.crypto.tink.KmsAeadKey")); |
| EXPECT_THAT(KmsAeadKeyManager().key_material_type(), |
| Eq(google::crypto::tink::KeyData::REMOTE)); |
| } |
| |
| TEST(KmsAeadKeyManagerTest, ValidateEmptyKey) { |
| EXPECT_THAT(KmsAeadKeyManager().ValidateKey(KmsAeadKey()), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| TEST(KmsAeadKeyManagerTest, ValidateValidKey) { |
| KmsAeadKey key; |
| key.set_version(0); |
| key.mutable_params()->set_key_uri("Some uri"); |
| EXPECT_THAT(KmsAeadKeyManager().ValidateKey(key), IsOk()); |
| } |
| |
| TEST(KmsAeadKeyManagerTest, ValidateWrongVersion) { |
| KmsAeadKey key; |
| key.set_version(1); |
| key.mutable_params()->set_key_uri("Some uri"); |
| EXPECT_THAT(KmsAeadKeyManager().ValidateKey(key), Not(IsOk())); |
| } |
| |
| TEST(KmsAeadKeyManagerTest, ValidateNoUri) { |
| KmsAeadKey key; |
| key.set_version(0); |
| EXPECT_THAT(KmsAeadKeyManager().ValidateKey(key), Not(IsOk())); |
| } |
| |
| TEST(KmsAeadKeyManagerTest, ValidateKeyFormatEmptyKey) { |
| EXPECT_THAT(KmsAeadKeyManager().ValidateKeyFormat(KmsAeadKeyFormat()), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| TEST(KmsAeadKeyManagerTest, ValidateKeyFormatValidKey) { |
| KmsAeadKeyFormat key_format; |
| key_format.set_key_uri("Some uri"); |
| EXPECT_THAT(KmsAeadKeyManager().ValidateKeyFormat(key_format), IsOk()); |
| } |
| |
| TEST(KmsAeadKeyManagerTest, ValidateKeyFormatNoUri) { |
| KmsAeadKeyFormat key_format; |
| EXPECT_THAT(KmsAeadKeyManager().ValidateKeyFormat(key_format), Not(IsOk())); |
| } |
| |
| TEST(KmsAeadKeyManagerTest, CreateKey) { |
| KmsAeadKeyFormat key_format; |
| key_format.set_key_uri("Some uri"); |
| auto key_or = KmsAeadKeyManager().CreateKey(key_format); |
| ASSERT_THAT(key_or, IsOk()); |
| EXPECT_THAT(key_or.value().params().key_uri(), Eq(key_format.key_uri())); |
| } |
| |
| class KmsAeadKeyManagerCreateTest : public ::testing::Test { |
| public: |
| // The KmsClients class has a global variable which keeps the registered |
| // clients. To reflect that in the test, we set them up in the SetUpTestSuite |
| // function. |
| static void SetUpTestSuite() { |
| if (!KmsClients::Add( |
| absl::make_unique<DummyKmsClient>("prefix1", "prefix1:some_key1")) |
| .ok()) |
| abort(); |
| if (!KmsClients::Add(absl::make_unique<DummyKmsClient>("prefix2", "")).ok()) |
| abort(); |
| } |
| }; |
| |
| TEST_F(KmsAeadKeyManagerCreateTest, CreateAead) { |
| KmsAeadKey key; |
| key.set_version(0); |
| key.mutable_params()->set_key_uri("prefix1:some_key1"); |
| |
| auto kms_aead = KmsAeadKeyManager().GetPrimitive<Aead>(key); |
| ASSERT_THAT(kms_aead, IsOk()); |
| |
| DummyAead direct_aead("prefix1:some_key1"); |
| |
| EXPECT_THAT( |
| EncryptThenDecrypt(*kms_aead.value(), direct_aead, "plaintext", "aad"), |
| IsOk()); |
| } |
| |
| TEST_F(KmsAeadKeyManagerCreateTest, CreateAeadWrongKeyName) { |
| KmsAeadKey key; |
| key.set_version(0); |
| key.mutable_params()->set_key_uri("prefix1:some_other_key"); |
| |
| auto kms_aead = KmsAeadKeyManager().GetPrimitive<Aead>(key); |
| ASSERT_THAT(kms_aead, Not(IsOk())); |
| } |
| |
| TEST_F(KmsAeadKeyManagerCreateTest, CreateAeadWrongPrefix) { |
| KmsAeadKey key; |
| key.set_version(0); |
| key.mutable_params()->set_key_uri("non-existing-prefix:some_key1"); |
| |
| auto kms_aead = KmsAeadKeyManager().GetPrimitive<Aead>(key); |
| ASSERT_THAT(kms_aead, Not(IsOk())); |
| } |
| |
| TEST_F(KmsAeadKeyManagerCreateTest, CreateAeadUnboundKey) { |
| KmsAeadKey key; |
| key.set_version(0); |
| key.mutable_params()->set_key_uri("prefix2:some_key2"); |
| |
| auto kms_aead = KmsAeadKeyManager().GetPrimitive<Aead>(key); |
| ASSERT_THAT(kms_aead, IsOk()); |
| |
| DummyAead direct_aead("prefix2:some_key2"); |
| |
| EXPECT_THAT( |
| EncryptThenDecrypt(*kms_aead.value(), direct_aead, "plaintext", "aad"), |
| IsOk()); |
| } |
| |
| } // namespace |
| } // namespace tink |
| } // namespace crypto |