| // Copyright 2017 Google Inc. |
| // |
| // 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/hybrid/ecies_aead_hkdf_public_key_manager.h" |
| |
| #include "tink/hybrid_encrypt.h" |
| #include "tink/registry.h" |
| #include "tink/aead/aes_gcm_key_manager.h" |
| #include "tink/util/status.h" |
| #include "tink/util/statusor.h" |
| #include "tink/util/test_util.h" |
| #include "gtest/gtest.h" |
| #include "proto/aes_eax.pb.h" |
| #include "proto/common.pb.h" |
| #include "proto/ecies_aead_hkdf.pb.h" |
| #include "proto/tink.pb.h" |
| |
| namespace crypto { |
| namespace tink { |
| |
| using google::crypto::tink::AesEaxKey; |
| using google::crypto::tink::EciesAeadHkdfKeyFormat; |
| using google::crypto::tink::EciesAeadHkdfPublicKey; |
| using google::crypto::tink::EcPointFormat; |
| using google::crypto::tink::EllipticCurveType; |
| using google::crypto::tink::HashType; |
| using google::crypto::tink::KeyData; |
| using google::crypto::tink::KeyTemplate; |
| |
| namespace { |
| |
| class EciesAeadHkdfPublicKeyManagerTest : public ::testing::Test { |
| protected: |
| static void SetUpTestCase() { |
| auto aes_gcm_key_manager = new AesGcmKeyManager(); |
| ASSERT_TRUE(Registry::RegisterKeyManager(aes_gcm_key_manager).ok()); |
| } |
| |
| std::string key_type_prefix = "type.googleapis.com/"; |
| std::string ecies_public_key_type = |
| "type.googleapis.com/google.crypto.tink.EciesAeadHkdfPublicKey"; |
| }; |
| |
| TEST_F(EciesAeadHkdfPublicKeyManagerTest, testBasic) { |
| EciesAeadHkdfPublicKeyManager key_manager; |
| |
| EXPECT_EQ(0, key_manager.get_version()); |
| EXPECT_EQ("type.googleapis.com/google.crypto.tink.EciesAeadHkdfPublicKey", |
| key_manager.get_key_type()); |
| EXPECT_TRUE(key_manager.DoesSupport(key_manager.get_key_type())); |
| } |
| |
| TEST_F(EciesAeadHkdfPublicKeyManagerTest, testKeyDataErrors) { |
| EciesAeadHkdfPublicKeyManager key_manager; |
| |
| { // Bad key type. |
| KeyData key_data; |
| std::string bad_key_type = |
| "type.googleapis.com/google.crypto.tink.SomeOtherKey"; |
| key_data.set_type_url(bad_key_type); |
| auto result = key_manager.GetPrimitive(key_data); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::INVALID_ARGUMENT, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "not supported", |
| result.status().error_message()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, bad_key_type, |
| result.status().error_message()); |
| } |
| |
| { // Bad key value. |
| KeyData key_data; |
| key_data.set_type_url(ecies_public_key_type); |
| key_data.set_value("some bad serialized proto"); |
| auto result = key_manager.GetPrimitive(key_data); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::INVALID_ARGUMENT, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "not parse", |
| result.status().error_message()); |
| } |
| |
| { // Bad version. |
| KeyData key_data; |
| EciesAeadHkdfPublicKey key; |
| key.set_version(1); |
| key_data.set_type_url(ecies_public_key_type); |
| key_data.set_value(key.SerializeAsString()); |
| auto result = key_manager.GetPrimitive(key_data); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::INVALID_ARGUMENT, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "version", |
| result.status().error_message()); |
| } |
| } |
| |
| TEST_F(EciesAeadHkdfPublicKeyManagerTest, testKeyMessageErrors) { |
| EciesAeadHkdfPublicKeyManager key_manager; |
| |
| { // Bad protobuffer. |
| AesEaxKey key; |
| auto result = key_manager.GetPrimitive(key); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::INVALID_ARGUMENT, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "AesEaxKey", |
| result.status().error_message()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "not supported", |
| result.status().error_message()); |
| } |
| } |
| |
| TEST_F(EciesAeadHkdfPublicKeyManagerTest, testPrimitives) { |
| std::string plaintext = "some plaintext"; |
| std::string context_info = "some context info"; |
| EciesAeadHkdfPublicKeyManager key_manager; |
| EciesAeadHkdfPublicKey key = test::GetEciesAesGcmHkdfTestKey( |
| EllipticCurveType::NIST_P256, EcPointFormat::UNCOMPRESSED, |
| HashType::SHA256, 32).public_key(); |
| |
| { // Using Key proto. |
| auto result = key_manager.GetPrimitive(key); |
| EXPECT_TRUE(result.ok()) << result.status(); |
| auto hybrid_encrypt = std::move(result.ValueOrDie()); |
| auto encrypt_result = hybrid_encrypt->Encrypt(plaintext, context_info); |
| EXPECT_TRUE(encrypt_result.ok()) << encrypt_result.status(); |
| } |
| |
| { // Using KeyData proto. |
| KeyData key_data; |
| key_data.set_type_url(ecies_public_key_type); |
| key_data.set_value(key.SerializeAsString()); |
| auto result = key_manager.GetPrimitive(key_data); |
| EXPECT_TRUE(result.ok()) << result.status(); |
| auto hybrid_encrypt = std::move(result.ValueOrDie()); |
| auto encrypt_result = hybrid_encrypt->Encrypt(plaintext, context_info); |
| EXPECT_TRUE(encrypt_result.ok()) << encrypt_result.status(); |
| } |
| } |
| |
| TEST_F(EciesAeadHkdfPublicKeyManagerTest, testNewKeyError) { |
| EciesAeadHkdfPublicKeyManager key_manager; |
| const KeyFactory& key_factory = key_manager.get_key_factory(); |
| |
| { // Via NewKey(format_proto). |
| EciesAeadHkdfKeyFormat key_format; |
| auto result = key_factory.NewKey(key_format); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::UNIMPLEMENTED, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "not supported", |
| result.status().error_message()); |
| } |
| |
| { // Via NewKey(serialized_format_proto). |
| EciesAeadHkdfKeyFormat key_format; |
| auto result = key_factory.NewKey(key_format.SerializeAsString()); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::UNIMPLEMENTED, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "not supported", |
| result.status().error_message()); |
| } |
| |
| { // Via NewKeyData(serialized_format_proto). |
| EciesAeadHkdfKeyFormat key_format; |
| auto result = key_factory.NewKeyData(key_format.SerializeAsString()); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::UNIMPLEMENTED, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "not supported", |
| result.status().error_message()); |
| } |
| } |
| |
| } // namespace |
| } // namespace tink |
| } // namespace crypto |
| |
| |
| int main(int ac, char* av[]) { |
| testing::InitGoogleTest(&ac, av); |
| return RUN_ALL_TESTS(); |
| } |