| // 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_hybrid_config.h" |
| |
| #include <list> |
| #include <string> |
| #include <utility> |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| #include "absl/status/status.h" |
| #include "tink/config/tink_fips.h" |
| #include "tink/experimental/pqcrypto/kem/cecpq2_aead_hkdf_private_key_manager.h" |
| #include "tink/experimental/pqcrypto/kem/cecpq2_aead_hkdf_public_key_manager.h" |
| #include "tink/experimental/pqcrypto/kem/cecpq2_hybrid_key_templates.h" |
| #include "tink/hybrid_decrypt.h" |
| #include "tink/hybrid_encrypt.h" |
| #include "tink/keyset_handle.h" |
| #include "tink/registry.h" |
| #include "tink/util/status.h" |
| #include "tink/util/test_matchers.h" |
| #include "tink/util/test_util.h" |
| |
| namespace crypto { |
| namespace tink { |
| namespace { |
| |
| using ::crypto::tink::test::DummyHybridDecrypt; |
| using ::crypto::tink::test::DummyHybridEncrypt; |
| using ::crypto::tink::test::IsOk; |
| using ::crypto::tink::test::StatusIs; |
| |
| class Cecpq2HybridConfigTest : public ::testing::Test { |
| protected: |
| void SetUp() override { Registry::Reset(); } |
| }; |
| |
| TEST_F(Cecpq2HybridConfigTest, Basic) { |
| if (IsFipsModeEnabled()) { |
| GTEST_SKIP() << "Not supported in FIPS-only mode"; |
| } |
| |
| EXPECT_THAT(Registry::get_key_manager<HybridDecrypt>( |
| Cecpq2AeadHkdfPrivateKeyManager().get_key_type()) |
| .status(), |
| StatusIs(absl::StatusCode::kNotFound)); |
| EXPECT_THAT(Registry::get_key_manager<HybridEncrypt>( |
| Cecpq2AeadHkdfPublicKeyManager().get_key_type()) |
| .status(), |
| StatusIs(absl::StatusCode::kNotFound)); |
| EXPECT_THAT(Cecpq2HybridConfigRegister(), IsOk()); |
| EXPECT_THAT(Registry::get_key_manager<HybridDecrypt>( |
| Cecpq2AeadHkdfPrivateKeyManager().get_key_type()) |
| .status(), |
| IsOk()); |
| EXPECT_THAT(Registry::get_key_manager<HybridEncrypt>( |
| Cecpq2AeadHkdfPublicKeyManager().get_key_type()) |
| .status(), |
| IsOk()); |
| } |
| |
| // Tests that the HybridEncrypt wrapper has been properly registered and we |
| // can wrap primitives |
| TEST_F(Cecpq2HybridConfigTest, EncryptWrapperRegistered) { |
| if (IsFipsModeEnabled()) { |
| GTEST_SKIP() << "Not supported in FIPS-only mode"; |
| } |
| |
| ASSERT_TRUE(Cecpq2HybridConfigRegister().ok()); |
| |
| google::crypto::tink::KeysetInfo::KeyInfo key_info; |
| key_info.set_status(google::crypto::tink::KeyStatusType::ENABLED); |
| key_info.set_key_id(1234); |
| key_info.set_output_prefix_type(google::crypto::tink::OutputPrefixType::TINK); |
| auto primitive_set = absl::make_unique<PrimitiveSet<HybridEncrypt>>(); |
| ASSERT_THAT( |
| primitive_set->set_primary( |
| primitive_set |
| ->AddPrimitive(absl::make_unique<DummyHybridEncrypt>("dummy"), |
| key_info) |
| .value()), |
| IsOk()); |
| |
| auto wrapped = Registry::Wrap(std::move(primitive_set)); |
| |
| ASSERT_THAT(wrapped, IsOk()); |
| auto encryption_result = wrapped.value()->Encrypt("secret", ""); |
| ASSERT_THAT(encryption_result, IsOk()); |
| |
| std::string prefix = CryptoFormat::GetOutputPrefix(key_info).value(); |
| EXPECT_EQ( |
| encryption_result.value(), |
| absl::StrCat(prefix, |
| DummyHybridEncrypt("dummy").Encrypt("secret", "").value())); |
| } |
| |
| // Tests that the HybridDecrypt wrapper has been properly registered and we |
| // can wrap primitives |
| TEST_F(Cecpq2HybridConfigTest, DecryptWrapperRegistered) { |
| if (IsFipsModeEnabled()) { |
| GTEST_SKIP() << "Not supported in FIPS-only mode"; |
| } |
| |
| ASSERT_TRUE(Cecpq2HybridConfigRegister().ok()); |
| |
| google::crypto::tink::KeysetInfo::KeyInfo key_info; |
| key_info.set_status(google::crypto::tink::KeyStatusType::ENABLED); |
| key_info.set_key_id(1234); |
| key_info.set_output_prefix_type(google::crypto::tink::OutputPrefixType::TINK); |
| auto primitive_set = absl::make_unique<PrimitiveSet<HybridDecrypt>>(); |
| ASSERT_THAT( |
| primitive_set->set_primary( |
| primitive_set |
| ->AddPrimitive(absl::make_unique<DummyHybridDecrypt>("dummy"), |
| key_info) |
| .value()), |
| IsOk()); |
| |
| auto wrapped = Registry::Wrap(std::move(primitive_set)); |
| |
| ASSERT_THAT(wrapped, IsOk()); |
| |
| std::string prefix = CryptoFormat::GetOutputPrefix(key_info).value(); |
| std::string encryption = |
| DummyHybridEncrypt("dummy").Encrypt("secret", "").value(); |
| |
| ASSERT_EQ( |
| wrapped.value()->Decrypt(absl::StrCat(prefix, encryption), "").value(), |
| "secret"); |
| } |
| |
| } // namespace |
| } // namespace tink |
| } // namespace crypto |