| // 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_decrypt_boringssl.h" |
| |
| #include <string> |
| #include <utility> |
| |
| #include "gtest/gtest.h" |
| #include "absl/status/status.h" |
| #include "absl/strings/escaping.h" |
| #include "openssl/hpke.h" |
| #include "tink/hybrid/internal/hpke_test_util.h" |
| #include "tink/util/status.h" |
| #include "tink/util/test_matchers.h" |
| #include "tink/util/test_util.h" |
| #include "proto/hpke.pb.h" |
| |
| namespace crypto { |
| namespace tink { |
| namespace internal { |
| namespace { |
| |
| using ::crypto::tink::test::IsOk; |
| using ::crypto::tink::test::IsOkAndHolds; |
| using ::crypto::tink::test::StatusIs; |
| using ::google::crypto::tink::HpkeAead; |
| using ::google::crypto::tink::HpkeKdf; |
| using ::google::crypto::tink::HpkeKem; |
| using ::google::crypto::tink::HpkeParams; |
| using ::testing::Values; |
| |
| class HpkeDecryptBoringSslTest : public testing::TestWithParam<HpkeParams> {}; |
| |
| INSTANTIATE_TEST_SUITE_P( |
| HpkeDecryptionBoringSslTestSuite, HpkeDecryptBoringSslTest, |
| Values(CreateHpkeParams(HpkeKem::DHKEM_X25519_HKDF_SHA256, |
| HpkeKdf::HKDF_SHA256, HpkeAead::AES_128_GCM), |
| CreateHpkeParams(HpkeKem::DHKEM_X25519_HKDF_SHA256, |
| HpkeKdf::HKDF_SHA256, |
| HpkeAead::CHACHA20_POLY1305))); |
| |
| TEST_P(HpkeDecryptBoringSslTest, SetupSenderContextAndDecrypt) { |
| HpkeParams hpke_params = GetParam(); |
| util::StatusOr<HpkeTestParams> params = CreateHpkeTestParams(hpke_params); |
| ASSERT_THAT(params, IsOk()); |
| util::StatusOr<std::unique_ptr<HpkeKeyBoringSsl>> hpke_key = |
| HpkeKeyBoringSsl::New(hpke_params.kem(), params->recipient_private_key); |
| ASSERT_THAT(hpke_key, IsOk()); |
| util::StatusOr<std::unique_ptr<HpkeDecryptBoringSsl>> hpke_decrypt = |
| HpkeDecryptBoringSsl::New(hpke_params, **hpke_key, |
| params->encapsulated_key, |
| params->application_info); |
| ASSERT_THAT(hpke_decrypt, IsOk()); |
| util::StatusOr<std::string> plaintext = |
| (*hpke_decrypt)->Decrypt(params->ciphertext, params->associated_data); |
| ASSERT_THAT(plaintext, IsOkAndHolds(params->plaintext)); |
| } |
| |
| class HpkeDecryptBoringSslWithBadParamTest |
| : public testing::TestWithParam<HpkeParams> {}; |
| |
| INSTANTIATE_TEST_SUITE_P( |
| HpkeDecryptionBoringSslWithBadParamTestSuite, |
| HpkeDecryptBoringSslWithBadParamTest, |
| Values(CreateHpkeParams(HpkeKem::DHKEM_X25519_HKDF_SHA256, |
| HpkeKdf::KDF_UNKNOWN, HpkeAead::AES_128_GCM), |
| CreateHpkeParams(HpkeKem::DHKEM_X25519_HKDF_SHA256, |
| HpkeKdf::HKDF_SHA256, HpkeAead::AEAD_UNKNOWN))); |
| |
| TEST_P(HpkeDecryptBoringSslWithBadParamTest, BadParamsFails) { |
| HpkeParams hpke_params = GetParam(); |
| HpkeTestParams params = DefaultHpkeTestParams(); |
| util::StatusOr<std::unique_ptr<HpkeKeyBoringSsl>> hpke_key = |
| HpkeKeyBoringSsl::New(hpke_params.kem(), params.recipient_private_key); |
| ASSERT_THAT(hpke_key, IsOk()); |
| util::StatusOr<std::unique_ptr<HpkeDecryptBoringSsl>> hpke_decrypt = |
| HpkeDecryptBoringSsl::New(hpke_params, **hpke_key, |
| params.encapsulated_key, |
| params.application_info); |
| ASSERT_THAT(hpke_decrypt.status(), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| } // namespace |
| } // namespace internal |
| } // namespace tink |
| } // namespace crypto |