| // Copyright 2017 Google Inc. |
| // |
| // 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/mac/mac_config.h" |
| |
| #include <list> |
| #include <memory> |
| #include <string> |
| #include <utility> |
| |
| #include "gtest/gtest.h" |
| #include "absl/status/status.h" |
| #include "tink/chunked_mac.h" |
| #include "tink/config.h" |
| #include "tink/config/tink_fips.h" |
| #include "tink/keyset_handle.h" |
| #include "tink/mac.h" |
| #include "tink/mac/aes_cmac_key_manager.h" |
| #include "tink/mac/hmac_key_manager.h" |
| #include "tink/mac/mac_key_templates.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::DummyMac; |
| using ::crypto::tink::test::IsOk; |
| using ::crypto::tink::test::StatusIs; |
| using ::google::crypto::tink::KeysetInfo; |
| using ::google::crypto::tink::KeyStatusType; |
| using ::google::crypto::tink::KeyTemplate; |
| using ::google::crypto::tink::OutputPrefixType; |
| using ::testing::Values; |
| |
| class MacConfigTest : public ::testing::Test { |
| protected: |
| void SetUp() override { |
| Registry::Reset(); |
| } |
| }; |
| |
| TEST_F(MacConfigTest, Basic) { |
| if (IsFipsModeEnabled()) { |
| GTEST_SKIP() << "Not supported in FIPS-only mode"; |
| } |
| |
| EXPECT_THAT( |
| Registry::get_key_manager<Mac>(HmacKeyManager().get_key_type()).status(), |
| StatusIs(absl::StatusCode::kNotFound)); |
| EXPECT_THAT( |
| Registry::get_key_manager<ChunkedMac>(HmacKeyManager().get_key_type()) |
| .status(), |
| StatusIs(absl::StatusCode::kNotFound)); |
| EXPECT_THAT(Registry::get_key_manager<Mac>(AesCmacKeyManager().get_key_type()) |
| .status(), |
| StatusIs(absl::StatusCode::kNotFound)); |
| EXPECT_THAT( |
| Registry::get_key_manager<ChunkedMac>(AesCmacKeyManager().get_key_type()) |
| .status(), |
| StatusIs(absl::StatusCode::kNotFound)); |
| |
| ASSERT_THAT(MacConfig::Register(), IsOk()); |
| |
| EXPECT_THAT( |
| Registry::get_key_manager<Mac>(HmacKeyManager().get_key_type()).status(), |
| IsOk()); |
| EXPECT_THAT( |
| Registry::get_key_manager<ChunkedMac>(HmacKeyManager().get_key_type()) |
| .status(), |
| IsOk()); |
| EXPECT_THAT(Registry::get_key_manager<Mac>(AesCmacKeyManager().get_key_type()) |
| .status(), |
| IsOk()); |
| EXPECT_THAT( |
| Registry::get_key_manager<ChunkedMac>(AesCmacKeyManager().get_key_type()) |
| .status(), |
| IsOk()); |
| } |
| |
| // Tests that the MacWrapper has been properly registered and we can wrap |
| // primitives. |
| TEST_F(MacConfigTest, MacWrappersRegistered) { |
| if (IsFipsModeEnabled()) { |
| GTEST_SKIP() << "Not supported in FIPS-only mode"; |
| } |
| |
| ASSERT_TRUE(MacConfig::Register().ok()); |
| |
| KeysetInfo::KeyInfo key_info; |
| key_info.set_status(KeyStatusType::ENABLED); |
| key_info.set_key_id(1234); |
| key_info.set_output_prefix_type(OutputPrefixType::RAW); |
| auto primitive_set = absl::make_unique<PrimitiveSet<Mac>>(); |
| ASSERT_TRUE( |
| primitive_set |
| ->set_primary( |
| primitive_set |
| ->AddPrimitive(absl::make_unique<DummyMac>("dummy"), key_info) |
| .value()) |
| .ok()); |
| |
| auto primitive_result = Registry::Wrap(std::move(primitive_set)); |
| |
| ASSERT_TRUE(primitive_result.ok()) << primitive_result.status(); |
| auto mac_result = primitive_result.value()->ComputeMac("verified text"); |
| ASSERT_TRUE(mac_result.ok()); |
| |
| EXPECT_TRUE( |
| DummyMac("dummy").VerifyMac(mac_result.value(), "verified text").ok()); |
| EXPECT_FALSE( |
| DummyMac("dummy").VerifyMac(mac_result.value(), "faked text").ok()); |
| } |
| |
| class ChunkedMacConfigTest : public ::testing::TestWithParam<KeyTemplate> { |
| protected: |
| void SetUp() override { Registry::Reset(); } |
| }; |
| |
| INSTANTIATE_TEST_SUITE_P(ChunkedMacConfigTestSuite, ChunkedMacConfigTest, |
| Values(MacKeyTemplates::AesCmac(), |
| MacKeyTemplates::HmacSha256())); |
| |
| // Tests that the ChunkedMacWrapper has been properly registered and we can get |
| // primitives. |
| TEST_P(ChunkedMacConfigTest, ChunkedMacWrappersRegistered) { |
| if (IsFipsModeEnabled()) { |
| GTEST_SKIP() << "Not supported in FIPS-only mode"; |
| } |
| |
| ASSERT_THAT(MacConfig::Register(), IsOk()); |
| |
| KeyTemplate key_template = GetParam(); |
| util::StatusOr<std::unique_ptr<KeysetHandle>> key = |
| KeysetHandle::GenerateNew(key_template); |
| ASSERT_THAT(key, IsOk()); |
| |
| util::StatusOr<std::unique_ptr<ChunkedMac>> chunked_mac = |
| (*key)->GetPrimitive<ChunkedMac>(); |
| ASSERT_THAT(chunked_mac, IsOk()); |
| |
| util::StatusOr<std::unique_ptr<ChunkedMacComputation>> computation = |
| (*chunked_mac)->CreateComputation(); |
| ASSERT_THAT(computation, IsOk()); |
| ASSERT_THAT((*computation)->Update("verified text"), IsOk()); |
| util::StatusOr<std::string> tag = (*computation)->ComputeMac(); |
| ASSERT_THAT(tag, IsOk()); |
| |
| util::StatusOr<std::unique_ptr<ChunkedMacVerification>> verification = |
| (*chunked_mac)->CreateVerification(*tag); |
| ASSERT_THAT(verification, IsOk()); |
| ASSERT_THAT((*verification)->Update("verified text"), IsOk()); |
| |
| EXPECT_THAT((*verification)->VerifyMac(), IsOk()); |
| } |
| |
| // FIPS-only mode tests |
| TEST_F(MacConfigTest, RegisterNonFipsTemplates) { |
| if (!IsFipsModeEnabled() || !FIPS_mode()) { |
| GTEST_SKIP() << "Only supported in FIPS-only mode"; |
| } |
| |
| EXPECT_THAT(MacConfig::Register(), IsOk()); |
| |
| std::list<google::crypto::tink::KeyTemplate> non_fips_key_templates; |
| non_fips_key_templates.push_back(MacKeyTemplates::AesCmac()); |
| |
| for (auto key_template : non_fips_key_templates) { |
| EXPECT_THAT(KeysetHandle::GenerateNew(key_template).status(), |
| StatusIs(absl::StatusCode::kNotFound)); |
| } |
| } |
| |
| TEST_F(MacConfigTest, RegisterFipsValidTemplates) { |
| if (!IsFipsModeEnabled() || !FIPS_mode()) { |
| GTEST_SKIP() << "Only supported in FIPS-only mode"; |
| } |
| |
| EXPECT_THAT(MacConfig::Register(), IsOk()); |
| |
| std::list<google::crypto::tink::KeyTemplate> fips_key_templates; |
| fips_key_templates.push_back(MacKeyTemplates::HmacSha256()); |
| fips_key_templates.push_back(MacKeyTemplates::HmacSha256HalfSizeTag()); |
| fips_key_templates.push_back(MacKeyTemplates::HmacSha512()); |
| fips_key_templates.push_back(MacKeyTemplates::HmacSha512HalfSizeTag()); |
| |
| for (auto key_template : fips_key_templates) { |
| EXPECT_THAT(KeysetHandle::GenerateNew(key_template), IsOk()); |
| } |
| } |
| |
| } // namespace |
| } // namespace tink |
| } // namespace crypto |