chromium/third_party/anonymous_tokens/src/anonymous_tokens/cpp/crypto/rsa_ssa_pss_verifier_test.cc

// 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_ssa_pss_verifier.h"

#include <memory>
#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/anonymous_tokens_pb_openssl_converters.h"
#include "anonymous_tokens/cpp/crypto/constants.h"
#include "anonymous_tokens/cpp/crypto/crypto_utils.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/rsa.h>

namespace anonymous_tokens {
namespace {

TEST(RsaSsaPssVerifier, SuccessfulVerification) { … }

TEST(RsaSsaPssVerifier, InvalidSignature) { … }

TEST(RsaSsaPssVerifier, InvalidVerificationKey) { … }

TEST(RsaSsaPssVerifierTestWithPublicMetadata,
     EmptyMessageStandardVerificationSuccess) { … }

TEST(RsaSsaPssVerifierTestWithPublicMetadata,
     IetfRsaBlindSignaturesWithPublicMetadataTestVectorsSuccess) { … }

TEST(RsaSsaPssVerifierTestWithPublicMetadata,
     IetfRsaBlindSignaturesWithPublicMetadataNoPublicExponentSuccess) { … }

RsaSsaPssVerifierPublicMetadataTestParams;

class RsaSsaPssVerifierTestWithPublicMetadata
    : public ::testing::TestWithParam<
          RsaSsaPssVerifierPublicMetadataTestParams> { … };

// This test only tests whether the implemented verfier 'verifies' 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(RsaSsaPssVerifierTestWithPublicMetadata,
       VerifierWorksWithPublicMetadata) { … }

TEST_P(RsaSsaPssVerifierTestWithPublicMetadata,
       VerifierFailsToVerifyWithWrongPublicMetadata) { … }

TEST_P(RsaSsaPssVerifierTestWithPublicMetadata,
       VerifierFailsToVerifyWithEmptyPublicMetadata) { … }

TEST_P(RsaSsaPssVerifierTestWithPublicMetadata,
       VerifierFailsToVerifyWithoutPublicMetadataSupport) { … }

TEST_P(RsaSsaPssVerifierTestWithPublicMetadata,
       EmptyMessageEmptyPublicMetadataVerificationSuccess) { … }

INSTANTIATE_TEST_SUITE_P(…);

}  // namespace
}  // namespace anonymous_tokens