rsa_blind_signer_test.cc | Explore in Territory

// Copyright 2023 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
//
//    https://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 "anonymous_tokens/cpp/crypto/rsa_blind_signer.h"

#include <memory>
#include <random>
#include <string>
#include <utility>

#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "absl/strings/string_view.h"
#include "anonymous_tokens/cpp/crypto/constants.h"
#include "anonymous_tokens/cpp/crypto/crypto_utils.h"
#include "anonymous_tokens/cpp/crypto/rsa_ssa_pss_verifier.h"
#include "anonymous_tokens/cpp/testing/proto_utils.h"
#include "anonymous_tokens/cpp/testing/utils.h"
#include "anonymous_tokens/proto/anonymous_tokens.pb.h"
#include <openssl/digest.h>
#include <openssl/rsa.h>

namespace anonymous_tokens {
namespace {

CreateTestKeyPairFunction;

class RsaBlindSignerTest
    : public ::testing::TestWithParam<CreateTestKeyPairFunction *> { … };

// This test only tests whether the implemented signer 'signs' properly. The
// outline of method calls in this test should not be assumed a secure signature
// scheme (and used in other places) as the security has not been
// proven/analyzed.
//
// Test for the standard signer does not take public metadata as a parameter
// which means public metadata is set to std::nullopt.
TEST_P(RsaBlindSignerTest, StandardSignerWorks) { … }

TEST_P(RsaBlindSignerTest, SignerFails) { … }

INSTANTIATE_TEST_SUITE_P(…);

RsaBlindSignerPublicMetadataTestParams;

class RsaBlindSignerTestWithPublicMetadata
    : public ::testing::TestWithParam<RsaBlindSignerPublicMetadataTestParams> { … };

// This test only tests whether the implemented signer 'signs' properly under
// some public metadata. The outline of method calls in this test should not
// be assumed a secure signature scheme (and used in other places) as the
// security has not been proven/analyzed.
TEST_P(RsaBlindSignerTestWithPublicMetadata, SignerWorksWithPublicMetadata) { … }

TEST_P(RsaBlindSignerTestWithPublicMetadata,
       SignerWorksWithEmptyPublicMetadata) { … }

TEST_P(RsaBlindSignerTestWithPublicMetadata,
       SignatureFailstoVerifyWithWrongPublicMetadata) { … }

TEST_P(RsaBlindSignerTestWithPublicMetadata,
       SignatureFailsToVerifyWithNoPublicMetadata) { … }

INSTANTIATE_TEST_SUITE_P(…);

TEST(IetfRsaBlindSignerTest,
     IetfRsaBlindSignaturesWithPublicMetadataTestVectorsSuccess) { … }

TEST(IetfRsaBlindSignerTest,
     IetfPartiallyBlindRsaSignaturesNoPublicExponentTestVectorsSuccess) { … }

}  // namespace
}  // namespace anonymous_tokens
chromium/third_party/anonymous_tokens/src/anonymous_tokens/cpp/crypto/rsa_blind_signer_test.cc
