| // Copyright 2021 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/experimental/pqcrypto/kem/cecpq2_aead_hkdf_public_key_manager.h" |
| |
| #include "gtest/gtest.h" |
| #include "absl/status/status.h" |
| #include "tink/aead/aead_key_templates.h" |
| #include "tink/aead/aes_gcm_key_manager.h" |
| #include "tink/experimental/pqcrypto/kem/cecpq2_aead_hkdf_private_key_manager.h" |
| #include "tink/hybrid_encrypt.h" |
| #include "tink/registry.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/aes_eax.pb.h" |
| #include "proto/common.pb.h" |
| #include "proto/experimental/pqcrypto/cecpq2_aead_hkdf.pb.h" |
| #include "proto/tink.pb.h" |
| |
| namespace crypto { |
| namespace tink { |
| namespace { |
| |
| using ::crypto::tink::test::IsOk; |
| using ::crypto::tink::test::StatusIs; |
| using ::google::crypto::tink::Cecpq2AeadHkdfKeyFormat; |
| using ::google::crypto::tink::Cecpq2AeadHkdfParams; |
| using ::google::crypto::tink::Cecpq2AeadHkdfPublicKey; |
| using ::google::crypto::tink::EcPointFormat; |
| using ::google::crypto::tink::EllipticCurveType; |
| using ::google::crypto::tink::HashType; |
| using ::google::crypto::tink::KeyData; |
| using ::testing::Eq; |
| using ::testing::Not; |
| |
| TEST(Cecpq2AeadHkdfPublicKeyManagerTest, Basics) { |
| EXPECT_THAT(Cecpq2AeadHkdfPublicKeyManager().get_version(), Eq(0)); |
| EXPECT_THAT(Cecpq2AeadHkdfPublicKeyManager().key_material_type(), |
| Eq(KeyData::ASYMMETRIC_PUBLIC)); |
| EXPECT_THAT( |
| Cecpq2AeadHkdfPublicKeyManager().get_key_type(), |
| Eq("type.googleapis.com/google.crypto.tink.Cecpq2AeadHkdfPublicKey")); |
| } |
| |
| TEST(Cecpq2AeadHkdfPublicKeyManagerTest, ValidateEmptyKey) { |
| EXPECT_THAT( |
| Cecpq2AeadHkdfPublicKeyManager().ValidateKey(Cecpq2AeadHkdfPublicKey()), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| Cecpq2AeadHkdfPublicKey CreatePublicKey() { |
| Cecpq2AeadHkdfKeyFormat key_format; |
| key_format.mutable_params()->mutable_kem_params()->set_ec_point_format( |
| EcPointFormat::UNCOMPRESSED); |
| auto dem_params = key_format.mutable_params()->mutable_dem_params(); |
| *(dem_params->mutable_aead_dem()) = AeadKeyTemplates::Aes128Gcm(); |
| auto kem_params = key_format.mutable_params()->mutable_kem_params(); |
| kem_params->set_curve_type(EllipticCurveType::CURVE25519); |
| kem_params->set_hkdf_hash_type(HashType::SHA256); |
| kem_params->set_hkdf_salt(""); |
| auto private_key_manager = Cecpq2AeadHkdfPrivateKeyManager(); |
| return private_key_manager |
| .GetPublicKey(private_key_manager.CreateKey(key_format).value()) |
| .value(); |
| } |
| |
| TEST(Cecpq2AeadHkdfPublicKeyManagerTest, ValidateParams) { |
| EXPECT_THAT(Cecpq2AeadHkdfPublicKeyManager().ValidateParams( |
| CreatePublicKey().params()), |
| IsOk()); |
| } |
| |
| TEST(Cecpq2AeadHkdfPublicKeyManagerTest, ValidateKeyNoPoint) { |
| Cecpq2AeadHkdfParams params = CreatePublicKey().params(); |
| params.mutable_kem_params()->set_ec_point_format( |
| EcPointFormat::UNKNOWN_FORMAT); |
| EXPECT_THAT(Cecpq2AeadHkdfPublicKeyManager().ValidateParams(params), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| TEST(Cecpq2AeadHkdfPublicKeyManagerTest, ValidateKeyNoDem) { |
| Cecpq2AeadHkdfParams params = CreatePublicKey().params(); |
| params.mutable_dem_params()->clear_aead_dem(); |
| EXPECT_THAT(Cecpq2AeadHkdfPublicKeyManager().ValidateParams(params), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| TEST(Cecpq2AeadHkdfPublicKeyManagerTest, ValidateKeyNoKemCurve) { |
| Cecpq2AeadHkdfParams params = CreatePublicKey().params(); |
| params.mutable_kem_params()->set_curve_type(EllipticCurveType::UNKNOWN_CURVE); |
| EXPECT_THAT(Cecpq2AeadHkdfPublicKeyManager().ValidateParams(params), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| TEST(Cecpq2AeadHkdfPublicKeyManagerTest, ValidateKeyNoKemHash) { |
| Cecpq2AeadHkdfParams params = CreatePublicKey().params(); |
| params.mutable_kem_params()->set_hkdf_hash_type(HashType::UNKNOWN_HASH); |
| EXPECT_THAT(Cecpq2AeadHkdfPublicKeyManager().ValidateParams(params), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| TEST(Cecpq2AeadHkdfPublicKeyManagerTest, ValidateGeneratedKey) { |
| EXPECT_THAT(Cecpq2AeadHkdfPublicKeyManager().ValidateKey(CreatePublicKey()), |
| IsOk()); |
| } |
| |
| TEST(Cecpq2AeadHkdfPublicKeyManagerTest, ValidatePublicKeyVersion) { |
| Cecpq2AeadHkdfPublicKey pk = CreatePublicKey(); |
| pk.set_version(1); |
| EXPECT_THAT(Cecpq2AeadHkdfPublicKeyManager().ValidateKey(pk), Not(IsOk())); |
| } |
| |
| } // namespace |
| } // namespace tink |
| } // namespace crypto |