| // Copyright 2022 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_context_boringssl.h" |
| |
| #include <string> |
| #include <utility> |
| |
| #include "gtest/gtest.h" |
| #include "absl/status/status.h" |
| #include "tink/hybrid/internal/hpke_test_util.h" |
| #include "tink/hybrid/internal/hpke_util.h" |
| #include "tink/hybrid/internal/test_hpke_context_boringssl.h" |
| #include "tink/util/secret_data.h" |
| #include "tink/util/test_matchers.h" |
| |
| namespace crypto { |
| namespace tink { |
| namespace internal { |
| namespace { |
| |
| using ::crypto::tink::test::IsOk; |
| using ::crypto::tink::test::IsOkAndHolds; |
| using ::crypto::tink::test::StatusIs; |
| using ::testing::Values; |
| |
| class HpkeContextBoringSslTest : public testing::TestWithParam<HpkeParams> {}; |
| |
| INSTANTIATE_TEST_SUITE_P( |
| HpkeContextBoringSslTestSuite, HpkeContextBoringSslTest, |
| Values(HpkeParams{HpkeKem::kX25519HkdfSha256, HpkeKdf::kHkdfSha256, |
| HpkeAead::kAes128Gcm}, |
| HpkeParams{HpkeKem::kX25519HkdfSha256, HpkeKdf::kHkdfSha256, |
| HpkeAead::kChaCha20Poly1305})); |
| |
| TEST_P(HpkeContextBoringSslTest, Seal) { |
| HpkeParams hpke_params = GetParam(); |
| util::StatusOr<HpkeTestParams> params = CreateHpkeTestParams(hpke_params); |
| ASSERT_THAT(params, IsOk()); |
| util::StatusOr<SenderHpkeContextBoringSsl> hpke_context = |
| TestHpkeContextBoringSsl::SetupSender( |
| hpke_params, params->recipient_public_key, params->application_info, |
| params->seed_for_testing); |
| ASSERT_THAT(hpke_context, IsOk()); |
| util::StatusOr<std::string> ciphertext = |
| hpke_context->context->Seal(params->plaintext, params->associated_data); |
| ASSERT_THAT(ciphertext, IsOkAndHolds(params->ciphertext)); |
| } |
| |
| TEST_P(HpkeContextBoringSslTest, Open) { |
| HpkeParams hpke_params = GetParam(); |
| util::StatusOr<HpkeTestParams> params = CreateHpkeTestParams(hpke_params); |
| ASSERT_THAT(params, IsOk()); |
| util::StatusOr<std::unique_ptr<HpkeContextBoringSsl>> hpke_context = |
| HpkeContextBoringSsl::SetupRecipient( |
| hpke_params, |
| util::SecretDataFromStringView(params->recipient_private_key), |
| params->encapsulated_key, params->application_info); |
| ASSERT_THAT(hpke_context, IsOk()); |
| util::StatusOr<std::string> plaintext = |
| (*hpke_context)->Open(params->ciphertext, params->associated_data); |
| ASSERT_THAT(plaintext, IsOkAndHolds(params->plaintext)); |
| } |
| |
| TEST_P(HpkeContextBoringSslTest, SenderExport) { |
| HpkeParams hpke_params = GetParam(); |
| util::StatusOr<HpkeTestParams> params = CreateHpkeTestParams(hpke_params); |
| ASSERT_THAT(params, IsOk()); |
| |
| util::StatusOr<SenderHpkeContextBoringSsl> sender_hpke_context = |
| TestHpkeContextBoringSsl::SetupSender( |
| hpke_params, params->recipient_public_key, params->application_info, |
| params->seed_for_testing); |
| ASSERT_THAT(sender_hpke_context, IsOk()); |
| |
| for (int i = 0; i < params->exported_contexts.size(); ++i) { |
| util::StatusOr<util::SecretData> sender_secret = |
| sender_hpke_context->context->Export(params->exported_contexts[i], 32); |
| ASSERT_THAT(sender_secret, IsOkAndHolds(util::SecretDataFromStringView( |
| params->exported_values[i]))); |
| } |
| } |
| |
| TEST_P(HpkeContextBoringSslTest, RecipientExport) { |
| HpkeParams hpke_params = GetParam(); |
| util::StatusOr<HpkeTestParams> params = CreateHpkeTestParams(hpke_params); |
| ASSERT_THAT(params, IsOk()); |
| |
| util::StatusOr<std::unique_ptr<HpkeContextBoringSsl>> recipient_hpke_context = |
| HpkeContextBoringSsl::SetupRecipient( |
| hpke_params, |
| util::SecretDataFromStringView(params->recipient_private_key), |
| params->encapsulated_key, params->application_info); |
| ASSERT_THAT(recipient_hpke_context, IsOk()); |
| |
| for (int i = 0; i < params->exported_contexts.size(); ++i) { |
| util::StatusOr<util::SecretData> recipient_secret = |
| (*recipient_hpke_context)->Export(params->exported_contexts[i], 32); |
| ASSERT_THAT(recipient_secret, IsOkAndHolds(util::SecretDataFromStringView( |
| params->exported_values[i]))); |
| } |
| } |
| |
| class HpkeContextBoringSslWithBadParamTest |
| : public testing::TestWithParam<HpkeParams> {}; |
| |
| INSTANTIATE_TEST_SUITE_P( |
| HpkeContextBoringSslWithBadParamTestSuite, |
| HpkeContextBoringSslWithBadParamTest, |
| Values(HpkeParams{HpkeKem::kUnknownKem, HpkeKdf::kHkdfSha256, |
| HpkeAead::kAes128Gcm}, |
| HpkeParams{HpkeKem::kX25519HkdfSha256, HpkeKdf::kUnknownKdf, |
| HpkeAead::kAes128Gcm}, |
| HpkeParams{HpkeKem::kX25519HkdfSha256, HpkeKdf::kHkdfSha256, |
| HpkeAead::kUnknownAead})); |
| |
| TEST_P(HpkeContextBoringSslWithBadParamTest, BadSenderParamsFail) { |
| HpkeParams hpke_params = GetParam(); |
| HpkeTestParams params = DefaultHpkeTestParams(); |
| util::StatusOr<SenderHpkeContextBoringSsl> result = |
| TestHpkeContextBoringSsl::SetupSender( |
| hpke_params, params.recipient_public_key, params.application_info, |
| params.seed_for_testing); |
| ASSERT_THAT(result.status(), StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| TEST_P(HpkeContextBoringSslWithBadParamTest, BadRecipientParamsFail) { |
| HpkeParams hpke_params = GetParam(); |
| HpkeTestParams params = DefaultHpkeTestParams(); |
| util::StatusOr<std::unique_ptr<HpkeContextBoringSsl>> hpke_context = |
| HpkeContextBoringSsl::SetupRecipient( |
| hpke_params, |
| util::SecretDataFromStringView(params.recipient_private_key), |
| params.encapsulated_key, params.application_info); |
| ASSERT_THAT(hpke_context.status(), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| TEST(HpkeContextBoringSslWithMissingPublicKeyTest, ZeroLengthPublicKeyFails) { |
| HpkeParams hpke_params = {HpkeKem::kX25519HkdfSha256, HpkeKdf::kHkdfSha256, |
| HpkeAead::kAes128Gcm}; |
| HpkeTestParams params = DefaultHpkeTestParams(); |
| util::StatusOr<SenderHpkeContextBoringSsl> result = |
| TestHpkeContextBoringSsl::SetupSender( |
| hpke_params, /*recipient_public_key=*/"", params.application_info, |
| params.seed_for_testing); |
| ASSERT_THAT(result.status(), StatusIs(absl::StatusCode::kUnknown)); |
| } |
| |
| TEST(HpkeContextBoringSslWithMissingPrivateKeyTest, ZeroLengthPrivateKeyFails) { |
| HpkeParams hpke_params = {HpkeKem::kX25519HkdfSha256, HpkeKdf::kHkdfSha256, |
| HpkeAead::kAes128Gcm}; |
| HpkeTestParams params = DefaultHpkeTestParams(); |
| util::StatusOr<std::unique_ptr<HpkeContextBoringSsl>> hpke_context = |
| HpkeContextBoringSsl::SetupRecipient( |
| hpke_params, util::SecretDataFromStringView(/*secret=*/""), |
| params.encapsulated_key, params.application_info); |
| ASSERT_THAT(hpke_context.status(), |
| StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| } // namespace |
| } // namespace internal |
| } // namespace tink |
| } // namespace crypto |