blob: b21ca50335f1f83d1d9aa37df39fa74edfdaa1d6 [file] [log] [blame]
// 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/daead/deterministic_aead_config.h"
#include <list>
#include <memory>
#include <utility>
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "absl/memory/memory.h"
#include "absl/status/status.h"
#include "tink/config/global_registry.h"
#include "tink/config/tink_fips.h"
#include "tink/daead/aes_siv_key.h"
#include "tink/daead/aes_siv_key_manager.h"
#include "tink/daead/aes_siv_parameters.h"
#include "tink/daead/deterministic_aead_key_templates.h"
#include "tink/deterministic_aead.h"
#include "tink/insecure_secret_key_access.h"
#include "tink/internal/mutable_serialization_registry.h"
#include "tink/internal/proto_key_serialization.h"
#include "tink/internal/proto_parameters_serialization.h"
#include "tink/internal/serialization.h"
#include "tink/key.h"
#include "tink/keyset_handle.h"
#include "tink/parameters.h"
#include "tink/partial_key_access.h"
#include "tink/primitive_set.h"
#include "tink/registry.h"
#include "tink/restricted_data.h"
#include "tink/subtle/random.h"
#include "tink/util/status.h"
#include "tink/util/statusor.h"
#include "tink/util/test_matchers.h"
#include "tink/util/test_util.h"
#include "proto/aes_siv.pb.h"
#include "proto/tink.pb.h"
namespace crypto {
namespace tink {
namespace {
using ::crypto::tink::test::DummyDeterministicAead;
using ::crypto::tink::test::IsOk;
using ::crypto::tink::test::StatusIs;
using ::google::crypto::tink::KeyData;
using ::google::crypto::tink::OutputPrefixType;
using ::testing::Eq;
class DeterministicAeadConfigTest : public ::testing::Test {
protected:
void SetUp() override {
Registry::Reset();
internal::MutableSerializationRegistry::GlobalInstance().Reset();
}
};
TEST_F(DeterministicAeadConfigTest, Basic) {
if (IsFipsModeEnabled()) {
GTEST_SKIP() << "Not supported in FIPS-only mode";
}
EXPECT_THAT(Registry::get_key_manager<DeterministicAead>(
AesSivKeyManager().get_key_type())
.status(),
StatusIs(absl::StatusCode::kNotFound));
EXPECT_THAT(DeterministicAeadConfig::Register(), IsOk());
EXPECT_THAT(Registry::get_key_manager<DeterministicAead>(
AesSivKeyManager().get_key_type())
.status(),
IsOk());
}
// Tests that the DeterministicAeadWrapper has been properly registered and we
// can wrap primitives.
TEST_F(DeterministicAeadConfigTest, WrappersRegistered) {
if (IsFipsModeEnabled()) {
GTEST_SKIP() << "Not supported in FIPS-only mode";
}
ASSERT_TRUE(DeterministicAeadConfig::Register().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::RAW);
auto primitive_set = absl::make_unique<PrimitiveSet<DeterministicAead>>();
ASSERT_THAT(
primitive_set->set_primary(
primitive_set
->AddPrimitive(absl::make_unique<DummyDeterministicAead>("dummy"),
key_info)
.value()),
IsOk());
auto registry_wrapped = Registry::Wrap(std::move(primitive_set));
ASSERT_TRUE(registry_wrapped.ok()) << registry_wrapped.status();
auto encryption_result =
registry_wrapped.value()->EncryptDeterministically("secret", "");
ASSERT_TRUE(encryption_result.ok());
auto decryption_result =
DummyDeterministicAead("dummy").DecryptDeterministically(
encryption_result.value(), "");
ASSERT_TRUE(decryption_result.status().ok());
EXPECT_THAT(decryption_result.value(), Eq("secret"));
decryption_result = DummyDeterministicAead("dummy").DecryptDeterministically(
encryption_result.value(), "wrong");
EXPECT_FALSE(decryption_result.status().ok());
}
TEST_F(DeterministicAeadConfigTest, RegisterFipsValidTemplates) {
if (!IsFipsModeEnabled()) {
GTEST_SKIP() << "Only supported in FIPS-only mode";
}
EXPECT_THAT(DeterministicAeadConfig::Register(), IsOk());
// Check that we can not retrieve non-FIPS key handle
std::list<google::crypto::tink::KeyTemplate> non_fips_key_templates;
non_fips_key_templates.push_back(DeterministicAeadKeyTemplates::Aes256Siv());
for (auto key_template : non_fips_key_templates) {
auto new_keyset_handle_result =
KeysetHandle::GenerateNew(key_template, KeyGenConfigGlobalRegistry());
EXPECT_THAT(new_keyset_handle_result.status(),
StatusIs(absl::StatusCode::kNotFound));
}
}
TEST_F(DeterministicAeadConfigTest, AesSivProtoParamsSerializationRegistered) {
if (IsFipsModeEnabled()) {
GTEST_SKIP() << "Not supported in FIPS-only mode";
}
util::StatusOr<internal::ProtoParametersSerialization>
proto_params_serialization =
internal::ProtoParametersSerialization::Create(
DeterministicAeadKeyTemplates::Aes256Siv());
ASSERT_THAT(proto_params_serialization, IsOk());
util::StatusOr<std::unique_ptr<Parameters>> parsed_params =
internal::MutableSerializationRegistry::GlobalInstance().ParseParameters(
*proto_params_serialization);
ASSERT_THAT(parsed_params.status(), StatusIs(absl::StatusCode::kNotFound));
util::StatusOr<AesSivParameters> params = AesSivParameters::Create(
/*key_size_in_bytes=*/64, AesSivParameters::Variant::kTink);
ASSERT_THAT(params, IsOk());
util::StatusOr<std::unique_ptr<Serialization>> serialized_params =
internal::MutableSerializationRegistry::GlobalInstance()
.SerializeParameters<internal::ProtoParametersSerialization>(*params);
ASSERT_THAT(serialized_params.status(),
StatusIs(absl::StatusCode::kNotFound));
ASSERT_THAT(DeterministicAeadConfig::Register(), IsOk());
util::StatusOr<std::unique_ptr<Parameters>> parsed_params2 =
internal::MutableSerializationRegistry::GlobalInstance().ParseParameters(
*proto_params_serialization);
ASSERT_THAT(parsed_params2, IsOk());
util::StatusOr<std::unique_ptr<Serialization>> serialized_params2 =
internal::MutableSerializationRegistry::GlobalInstance()
.SerializeParameters<internal::ProtoParametersSerialization>(*params);
ASSERT_THAT(serialized_params2, IsOk());
}
TEST_F(DeterministicAeadConfigTest, AesSivProtoKeySerializationRegistered) {
if (IsFipsModeEnabled()) {
GTEST_SKIP() << "Not supported in FIPS-only mode";
}
google::crypto::tink::AesSivKey key_proto;
key_proto.set_version(0);
key_proto.set_key_value(subtle::Random::GetRandomBytes(64));
util::StatusOr<internal::ProtoKeySerialization> proto_key_serialization =
internal::ProtoKeySerialization::Create(
"type.googleapis.com/google.crypto.tink.AesSivKey",
RestrictedData(key_proto.SerializeAsString(),
InsecureSecretKeyAccess::Get()),
KeyData::SYMMETRIC, OutputPrefixType::TINK, /*id_requirement=*/123);
ASSERT_THAT(proto_key_serialization, IsOk());
util::StatusOr<std::unique_ptr<Key>> parsed_key =
internal::MutableSerializationRegistry::GlobalInstance().ParseKey(
*proto_key_serialization, InsecureSecretKeyAccess::Get());
ASSERT_THAT(parsed_key.status(), StatusIs(absl::StatusCode::kNotFound));
util::StatusOr<AesSivParameters> params = AesSivParameters::Create(
/*key_size_in_bytes=*/64, AesSivParameters::Variant::kTink);
ASSERT_THAT(params, IsOk());
util::StatusOr<AesSivKey> key =
AesSivKey::Create(*params,
RestrictedData(subtle::Random::GetRandomBytes(64),
InsecureSecretKeyAccess::Get()),
/*id_requirement=*/123, GetPartialKeyAccess());
ASSERT_THAT(key, IsOk());
util::StatusOr<std::unique_ptr<Serialization>> serialized_key =
internal::MutableSerializationRegistry::GlobalInstance()
.SerializeKey<internal::ProtoKeySerialization>(
*key, InsecureSecretKeyAccess::Get());
ASSERT_THAT(serialized_key.status(), StatusIs(absl::StatusCode::kNotFound));
ASSERT_THAT(DeterministicAeadConfig::Register(), IsOk());
util::StatusOr<std::unique_ptr<Key>> parsed_key2 =
internal::MutableSerializationRegistry::GlobalInstance().ParseKey(
*proto_key_serialization, InsecureSecretKeyAccess::Get());
ASSERT_THAT(parsed_key2, IsOk());
util::StatusOr<std::unique_ptr<Serialization>> serialized_key2 =
internal::MutableSerializationRegistry::GlobalInstance()
.SerializeKey<internal::ProtoKeySerialization>(
*key, InsecureSecretKeyAccess::Get());
ASSERT_THAT(serialized_key2, IsOk());
}
} // namespace
} // namespace tink
} // namespace crypto