| // Copyright 2018 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/hybrid_key_templates.h" |
| |
| #include "tink/aead/aead_key_templates.h" |
| #include "tink/hybrid/ecies_aead_hkdf_private_key_manager.h" |
| #include "tink/hybrid/hybrid_config.h" |
| #include "proto/common.pb.h" |
| #include "proto/ecies_aead_hkdf.pb.h" |
| #include "proto/tink.pb.h" |
| #include "gtest/gtest.h" |
| |
| namespace crypto { |
| namespace tink { |
| namespace { |
| |
| using google::crypto::tink::EciesAeadHkdfKeyFormat; |
| using google::crypto::tink::EcPointFormat; |
| using google::crypto::tink::EllipticCurveType; |
| using google::crypto::tink::HashType; |
| using google::crypto::tink::KeyTemplate; |
| using google::crypto::tink::OutputPrefixType; |
| |
| class HybridKeyTemplatesTest : public ::testing::Test { |
| protected: |
| static void SetUpTestCase() { |
| // Initialize the registry, so that the templates can be tested. |
| HybridConfig::Register(); |
| } |
| }; |
| |
| TEST_F(HybridKeyTemplatesTest, testEciesAeadHkdf) { |
| std::string type_url = |
| "type.googleapis.com/google.crypto.tink.EciesAeadHkdfPrivateKey"; |
| |
| { // Test EciesP256HkdfHmacSha256Aes128Gcm(). |
| // Check that returned template is correct. |
| const KeyTemplate& key_template = |
| HybridKeyTemplates::EciesP256HkdfHmacSha256Aes128Gcm(); |
| EXPECT_EQ(type_url, key_template.type_url()); |
| EXPECT_EQ(OutputPrefixType::TINK, key_template.output_prefix_type()); |
| EciesAeadHkdfKeyFormat key_format; |
| EXPECT_TRUE(key_format.ParseFromString(key_template.value())); |
| EXPECT_EQ(EcPointFormat::UNCOMPRESSED, |
| key_format.params().ec_point_format()); |
| auto dem_params = key_format.mutable_params()->mutable_dem_params(); |
| auto expected_dem = AeadKeyTemplates::Aes128Gcm(); |
| EXPECT_EQ(expected_dem.output_prefix_type(), |
| dem_params->aead_dem().output_prefix_type()); |
| EXPECT_EQ(expected_dem.type_url(), |
| dem_params->aead_dem().type_url()); |
| EXPECT_EQ(expected_dem.value(), |
| dem_params->aead_dem().value()); |
| auto kem_params = key_format.mutable_params()->mutable_kem_params(); |
| EXPECT_EQ(EllipticCurveType::NIST_P256, kem_params->curve_type()); |
| EXPECT_EQ(HashType::SHA256, kem_params->hkdf_hash_type()); |
| EXPECT_EQ("", kem_params->hkdf_salt()); |
| |
| // Check that reference to the same object is returned. |
| const KeyTemplate& key_template_2 = |
| HybridKeyTemplates::EciesP256HkdfHmacSha256Aes128Gcm(); |
| EXPECT_EQ(&key_template, &key_template_2); |
| |
| // Check that the template works with the key manager. |
| EciesAeadHkdfPrivateKeyManager key_manager; |
| EXPECT_EQ(key_manager.get_key_type(), key_template.type_url()); |
| auto new_key_result = key_manager.get_key_factory().NewKey(key_format); |
| EXPECT_TRUE(new_key_result.ok()) << new_key_result.status(); |
| } |
| |
| { // Test EciesP256HkdfHmacSha256Aes128CtrHmacSha256(). |
| // Check that returned template is correct. |
| const KeyTemplate& key_template = |
| HybridKeyTemplates::EciesP256HkdfHmacSha256Aes128CtrHmacSha256(); |
| EXPECT_EQ(type_url, key_template.type_url()); |
| EXPECT_EQ(OutputPrefixType::TINK, key_template.output_prefix_type()); |
| EciesAeadHkdfKeyFormat key_format; |
| EXPECT_TRUE(key_format.ParseFromString(key_template.value())); |
| EXPECT_EQ(EcPointFormat::UNCOMPRESSED, |
| key_format.params().ec_point_format()); |
| auto dem_params = key_format.mutable_params()->mutable_dem_params(); |
| auto expected_dem = AeadKeyTemplates::Aes128CtrHmacSha256(); |
| EXPECT_EQ(expected_dem.output_prefix_type(), |
| dem_params->aead_dem().output_prefix_type()); |
| EXPECT_EQ(expected_dem.type_url(), |
| dem_params->aead_dem().type_url()); |
| EXPECT_EQ(expected_dem.value(), |
| dem_params->aead_dem().value()); |
| auto kem_params = key_format.mutable_params()->mutable_kem_params(); |
| EXPECT_EQ(EllipticCurveType::NIST_P256, kem_params->curve_type()); |
| EXPECT_EQ(HashType::SHA256, kem_params->hkdf_hash_type()); |
| EXPECT_EQ("", kem_params->hkdf_salt()); |
| |
| // Check that reference to the same object is returned. |
| const KeyTemplate& key_template_2 = |
| HybridKeyTemplates::EciesP256HkdfHmacSha256Aes128CtrHmacSha256(); |
| EXPECT_EQ(&key_template, &key_template_2); |
| |
| // Check that the template works with the key manager. |
| EciesAeadHkdfPrivateKeyManager key_manager; |
| EXPECT_EQ(key_manager.get_key_type(), key_template.type_url()); |
| auto new_key_result = key_manager.get_key_factory().NewKey(key_format); |
| EXPECT_TRUE(new_key_result.ok()) << new_key_result.status(); |
| } |
| } |
| |
| } // namespace |
| } // namespace tink |
| } // namespace crypto |