| // 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/hybrid/internal/hpke_key_manager_util.h" |
| |
| #include "gtest/gtest.h" |
| #include "absl/status/status.h" |
| #include "tink/hybrid/internal/hpke_test_util.h" |
| #include "tink/util/status.h" |
| #include "tink/util/test_matchers.h" |
| |
| namespace crypto { |
| namespace tink { |
| namespace internal { |
| namespace { |
| |
| using ::crypto::tink::internal::CreateHpkeParams; |
| using ::crypto::tink::internal::CreateHpkePublicKey; |
| using ::crypto::tink::test::IsOk; |
| using ::crypto::tink::test::StatusIs; |
| using ::google::crypto::tink::HpkeAead; |
| using ::google::crypto::tink::HpkeKdf; |
| using ::google::crypto::tink::HpkeKem; |
| using ::google::crypto::tink::HpkePublicKey; |
| |
| TEST(HpkeKeyManagerUtilTest, ValidateValidParamsSucceeds) { |
| ASSERT_THAT(ValidateParams(CreateHpkeParams(HpkeKem::DHKEM_X25519_HKDF_SHA256, |
| HpkeKdf::HKDF_SHA256, |
| HpkeAead::AES_256_GCM)), |
| IsOk()); |
| } |
| |
| TEST(HpkeKeyManagerUtilTest, ValidateInvalidParamsFails) { |
| ASSERT_THAT( |
| ValidateParams(CreateHpkeParams( |
| HpkeKem::KEM_UNKNOWN, HpkeKdf::HKDF_SHA256, HpkeAead::AES_256_GCM)), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| |
| ASSERT_THAT(ValidateParams(CreateHpkeParams(HpkeKem::DHKEM_X25519_HKDF_SHA256, |
| HpkeKdf::KDF_UNKNOWN, |
| HpkeAead::AES_256_GCM)), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| |
| ASSERT_THAT(ValidateParams(CreateHpkeParams(HpkeKem::DHKEM_X25519_HKDF_SHA256, |
| HpkeKdf::HKDF_SHA256, |
| HpkeAead::AEAD_UNKNOWN)), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| TEST(HpkeKeyManagerUtilTest, ValidateValidKeyAndVersionSucceeds) { |
| HpkePublicKey key = CreateHpkePublicKey( |
| CreateHpkeParams(HpkeKem::DHKEM_X25519_HKDF_SHA256, HpkeKdf::HKDF_SHA256, |
| HpkeAead::AES_256_GCM), |
| "rawkeybytes"); |
| |
| ASSERT_THAT(ValidateKeyAndVersion(key, /*max_key_version=*/1), IsOk()); |
| } |
| |
| TEST(HpkeKeyManagerUtilTest, ValidateTooHighKeyVersionFails) { |
| HpkePublicKey key = CreateHpkePublicKey( |
| CreateHpkeParams(HpkeKem::DHKEM_X25519_HKDF_SHA256, HpkeKdf::HKDF_SHA256, |
| HpkeAead::AES_256_GCM), |
| "rawkeybytes"); |
| key.set_version(1); |
| |
| ASSERT_THAT(ValidateKeyAndVersion(key, /*max_key_version=*/0), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| TEST(HpkeKeyManagerUtilTest, ValidateMissingKeyParamsFails) { |
| HpkePublicKey key = CreateHpkePublicKey( |
| CreateHpkeParams(HpkeKem::DHKEM_X25519_HKDF_SHA256, HpkeKdf::HKDF_SHA256, |
| HpkeAead::AES_256_GCM), |
| "rawkeybytes"); |
| key.clear_params(); |
| |
| ASSERT_THAT(ValidateKeyAndVersion(key, /*max_key_version=*/1), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| } // namespace |
| } // namespace internal |
| } // namespace tink |
| } // namespace crypto |