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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/cert/internal/verify_signed_data.h"
#include <memory>
#include <set>
#include "net/cert/internal/cert_errors.h"
#include "net/cert/internal/signature_algorithm.h"
#include "net/cert/internal/test_helpers.h"
#include "net/der/input.h"
#include "net/der/parse_values.h"
#include "net/der/parser.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
namespace net {
namespace {
enum VerifyResult {
SUCCESS,
FAILURE,
};
// Reads test data from |file_name| and runs VerifySignedData() over its
// inputs.
//
// If expected_result was SUCCESS then the test will only succeed if
// VerifySignedData() returns true.
//
// If expected_result was FAILURE then the test will only succeed if
// VerifySignedData() returns false.
void RunTestCase(VerifyResult expected_result, const char* file_name) {
std::string path =
std::string("net/data/verify_signed_data_unittest/") + file_name;
std::string public_key;
std::string algorithm;
std::string signed_data;
std::string signature_value;
const PemBlockMapping mappings[] = {
{"PUBLIC KEY", &public_key},
{"ALGORITHM", &algorithm},
{"DATA", &signed_data},
{"SIGNATURE", &signature_value},
};
ASSERT_TRUE(ReadTestDataFromPemFile(path, mappings));
CertErrors algorithm_errors;
std::unique_ptr<SignatureAlgorithm> signature_algorithm =
SignatureAlgorithm::Create(der::Input(&algorithm), &algorithm_errors);
ASSERT_TRUE(signature_algorithm) << algorithm_errors.ToDebugString();
der::Parser signature_value_parser((der::Input(&signature_value)));
absl::optional<der::BitString> signature_value_bit_string =
signature_value_parser.ReadBitString();
ASSERT_TRUE(signature_value_bit_string.has_value())
<< "The signature value is not a valid BIT STRING";
bool expected_result_bool = expected_result == SUCCESS;
bool result = VerifySignedData(*signature_algorithm, der::Input(&signed_data),
signature_value_bit_string.value(),
der::Input(&public_key));
EXPECT_EQ(expected_result_bool, result);
}
// Read the descriptions in the test files themselves for details on what is
// being tested.
TEST(VerifySignedDataTest, RsaPkcs1Sha1) {
RunTestCase(SUCCESS, "rsa-pkcs1-sha1.pem");
}
TEST(VerifySignedDataTest, RsaPkcs1Sha256) {
RunTestCase(SUCCESS, "rsa-pkcs1-sha256.pem");
}
TEST(VerifySignedDataTest, Rsa2048Pkcs1Sha512) {
RunTestCase(SUCCESS, "rsa2048-pkcs1-sha512.pem");
}
TEST(VerifySignedDataTest, RsaPkcs1Sha256KeyEncodedBer) {
RunTestCase(FAILURE, "rsa-pkcs1-sha256-key-encoded-ber.pem");
}
TEST(VerifySignedDataTest, EcdsaSecp384r1Sha256) {
RunTestCase(SUCCESS, "ecdsa-secp384r1-sha256.pem");
}
TEST(VerifySignedDataTest, EcdsaPrime256v1Sha512) {
RunTestCase(SUCCESS, "ecdsa-prime256v1-sha512.pem");
}
TEST(VerifySignedDataTest, RsaPssSha256) {
RunTestCase(SUCCESS, "rsa-pss-sha256.pem");
}
TEST(VerifySignedDataTest, RsaPssSha256WrongSalt) {
RunTestCase(FAILURE, "rsa-pss-sha256-wrong-salt.pem");
}
TEST(VerifySignedDataTest, EcdsaSecp384r1Sha256CorruptedData) {
RunTestCase(FAILURE, "ecdsa-secp384r1-sha256-corrupted-data.pem");
}
TEST(VerifySignedDataTest, RsaPkcs1Sha1WrongAlgorithm) {
RunTestCase(FAILURE, "rsa-pkcs1-sha1-wrong-algorithm.pem");
}
TEST(VerifySignedDataTest, EcdsaPrime256v1Sha512WrongSignatureFormat) {
RunTestCase(FAILURE, "ecdsa-prime256v1-sha512-wrong-signature-format.pem");
}
TEST(VerifySignedDataTest, EcdsaUsingRsaKey) {
RunTestCase(FAILURE, "ecdsa-using-rsa-key.pem");
}
TEST(VerifySignedDataTest, RsaUsingEcKey) {
RunTestCase(FAILURE, "rsa-using-ec-key.pem");
}
TEST(VerifySignedDataTest, RsaPkcs1Sha1BadKeyDerNull) {
RunTestCase(FAILURE, "rsa-pkcs1-sha1-bad-key-der-null.pem");
}
TEST(VerifySignedDataTest, RsaPkcs1Sha1BadKeyDerLength) {
RunTestCase(FAILURE, "rsa-pkcs1-sha1-bad-key-der-length.pem");
}
TEST(VerifySignedDataTest, RsaPkcs1Sha256UsingEcdsaAlgorithm) {
RunTestCase(FAILURE, "rsa-pkcs1-sha256-using-ecdsa-algorithm.pem");
}
TEST(VerifySignedDataTest, EcdsaPrime256v1Sha512UsingRsaAlgorithm) {
RunTestCase(FAILURE, "ecdsa-prime256v1-sha512-using-rsa-algorithm.pem");
}
TEST(VerifySignedDataTest, EcdsaPrime256v1Sha512UsingEcdhKey) {
RunTestCase(FAILURE, "ecdsa-prime256v1-sha512-using-ecdh-key.pem");
}
TEST(VerifySignedDataTest, EcdsaPrime256v1Sha512UsingEcmqvKey) {
RunTestCase(FAILURE, "ecdsa-prime256v1-sha512-using-ecmqv-key.pem");
}
TEST(VerifySignedDataTest, RsaPkcs1Sha1KeyParamsAbsent) {
RunTestCase(FAILURE, "rsa-pkcs1-sha1-key-params-absent.pem");
}
TEST(VerifySignedDataTest, RsaPkcs1Sha1UsingPssKeyNoParams) {
RunTestCase(FAILURE, "rsa-pkcs1-sha1-using-pss-key-no-params.pem");
}
TEST(VerifySignedDataTest, RsaPssSha256UsingPssKeyWithParams) {
// We do not support RSA-PSS SPKIs.
RunTestCase(FAILURE, "rsa-pss-sha256-using-pss-key-with-params.pem");
}
TEST(VerifySignedDataTest, EcdsaPrime256v1Sha512SpkiParamsNull) {
RunTestCase(FAILURE, "ecdsa-prime256v1-sha512-spki-params-null.pem");
}
TEST(VerifySignedDataTest, RsaPkcs1Sha256UsingIdEaRsa) {
RunTestCase(FAILURE, "rsa-pkcs1-sha256-using-id-ea-rsa.pem");
}
TEST(VerifySignedDataTest, RsaPkcs1Sha256SpkiNonNullParams) {
RunTestCase(FAILURE, "rsa-pkcs1-sha256-spki-non-null-params.pem");
}
TEST(VerifySignedDataTest, EcdsaPrime256v1Sha512UnusedBitsSignature) {
RunTestCase(FAILURE, "ecdsa-prime256v1-sha512-unused-bits-signature.pem");
}
TEST(VerifySignedDataTest, Ecdsa384) {
// Using the regular policy both secp384r1 and secp256r1 should be accepted.
RunTestCase(SUCCESS, "ecdsa-secp384r1-sha256.pem");
RunTestCase(SUCCESS, "ecdsa-prime256v1-sha512.pem");
}
} // namespace
} // namespace net
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