| // Copyright 2024 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 |
| // |
| // 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/signature/ecdsa_parameters.h" |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| #include "absl/status/status.h" |
| #include "tink/util/statusor.h" |
| #include "tink/util/test_matchers.h" |
| |
| namespace crypto { |
| namespace tink { |
| namespace { |
| |
| using ::crypto::tink::test::IsOk; |
| using ::crypto::tink::test::StatusIs; |
| using ::testing::Eq; |
| using ::testing::HasSubstr; |
| using ::testing::IsTrue; |
| using ::testing::TestWithParam; |
| using ::testing::Values; |
| |
| struct TestCase { |
| EcdsaParameters::CurveType curve_type; |
| EcdsaParameters::HashType hash_type; |
| EcdsaParameters::SignatureEncoding signature_encoding; |
| EcdsaParameters::Variant variant; |
| bool has_id_requirement; |
| }; |
| |
| using EcdsaParametersTest = TestWithParam<TestCase>; |
| |
| INSTANTIATE_TEST_SUITE_P( |
| EcdsaParametersTestSuite, EcdsaParametersTest, |
| Values(TestCase{EcdsaParameters::CurveType::kNistP256, |
| EcdsaParameters::HashType::kSha256, |
| EcdsaParameters::SignatureEncoding::kDer, |
| EcdsaParameters::Variant::kTink, |
| /*has_id_requirement=*/true}, |
| TestCase{EcdsaParameters::CurveType::kNistP384, |
| EcdsaParameters::HashType::kSha384, |
| EcdsaParameters::SignatureEncoding::kDer, |
| EcdsaParameters::Variant::kCrunchy, |
| /*has_id_requirement=*/true}, |
| TestCase{EcdsaParameters::CurveType::kNistP384, |
| EcdsaParameters::HashType::kSha512, |
| EcdsaParameters::SignatureEncoding::kIeeeP1363, |
| EcdsaParameters::Variant::kLegacy, |
| /*has_id_requirement=*/true}, |
| TestCase{EcdsaParameters::CurveType::kNistP521, |
| EcdsaParameters::HashType::kSha512, |
| EcdsaParameters::SignatureEncoding::kIeeeP1363, |
| EcdsaParameters::Variant::kNoPrefix, |
| /*has_id_requirement=*/false})); |
| |
| TEST_P(EcdsaParametersTest, BuildWorks) { |
| TestCase test_case = GetParam(); |
| |
| util::StatusOr<EcdsaParameters> parameters = |
| EcdsaParameters::Builder() |
| .SetCurveType(test_case.curve_type) |
| .SetHashType(test_case.hash_type) |
| .SetSignatureEncoding(test_case.signature_encoding) |
| .SetVariant(test_case.variant) |
| .Build(); |
| ASSERT_THAT(parameters, IsOk()); |
| |
| EXPECT_THAT(parameters->GetCurveType(), Eq(test_case.curve_type)); |
| EXPECT_THAT(parameters->GetHashType(), Eq(test_case.hash_type)); |
| EXPECT_THAT(parameters->GetSignatureEncoding(), |
| Eq(test_case.signature_encoding)); |
| EXPECT_THAT(parameters->GetVariant(), Eq(test_case.variant)); |
| EXPECT_THAT(parameters->HasIdRequirement(), Eq(test_case.has_id_requirement)); |
| } |
| |
| TEST(EcdsaParametersTest, BuildWithInvalidVariantFails) { |
| EXPECT_THAT( |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP256) |
| .SetHashType(EcdsaParameters::HashType::kSha256) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant:: |
| kDoNotUseInsteadUseDefaultWhenWritingSwitchStatements) |
| .Build() |
| .status(), |
| StatusIs(absl::StatusCode::kInvalidArgument, |
| HasSubstr("unknown Variant"))); |
| } |
| |
| TEST(EcdsaParametersTest, BuildWithoutVariantFails) { |
| EXPECT_THAT( |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP256) |
| .SetHashType(EcdsaParameters::HashType::kSha256) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .Build() |
| .status(), |
| StatusIs(absl::StatusCode::kInvalidArgument, |
| HasSubstr("Variant is not set"))); |
| } |
| |
| TEST(EcdsaParametersTest, BuildWithInvalidCurveTypeFails) { |
| EXPECT_THAT( |
| EcdsaParameters::Builder() |
| .SetCurveType( |
| EcdsaParameters::CurveType:: |
| kDoNotUseInsteadUseDefaultWhenWritingSwitchStatements) |
| .SetHashType(EcdsaParameters::HashType::kSha256) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build() |
| .status(), |
| StatusIs(absl::StatusCode::kInvalidArgument, |
| HasSubstr("unknown CurveType"))); |
| } |
| |
| TEST(EcdsaParametersTest, BuildWithoutCurveTypeFails) { |
| EXPECT_THAT( |
| EcdsaParameters::Builder() |
| .SetHashType(EcdsaParameters::HashType::kSha256) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build() |
| .status(), |
| StatusIs(absl::StatusCode::kInvalidArgument, |
| HasSubstr("CurveType is not set"))); |
| } |
| |
| TEST(EcdsaParametersTest, BuildWithInvalidHashTypeFails) { |
| EXPECT_THAT( |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP256) |
| .SetHashType( |
| EcdsaParameters::HashType:: |
| kDoNotUseInsteadUseDefaultWhenWritingSwitchStatements) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build() |
| .status(), |
| StatusIs(absl::StatusCode::kInvalidArgument, |
| HasSubstr("unknown HashType"))); |
| } |
| |
| TEST(EcdsaParametersTest, BuildWithoutHashTypeFails) { |
| EXPECT_THAT( |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP256) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build() |
| .status(), |
| StatusIs(absl::StatusCode::kInvalidArgument, |
| HasSubstr("HashType is not set"))); |
| } |
| |
| TEST(EcdsaParametersTest, BuildWithInvalidSignatureEncodingFails) { |
| EXPECT_THAT(EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP256) |
| .SetHashType(EcdsaParameters::HashType::kSha256) |
| .SetSignatureEncoding( |
| EcdsaParameters::SignatureEncoding:: |
| kDoNotUseInsteadUseDefaultWhenWritingSwitchStatements) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build() |
| .status(), |
| StatusIs(absl::StatusCode::kInvalidArgument, |
| HasSubstr("unknown SignatureEncoding"))); |
| } |
| |
| TEST(EcdsaParametersTest, BuildWithoutSignatureEncodingFails) { |
| EXPECT_THAT(EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP256) |
| .SetHashType(EcdsaParameters::HashType::kSha256) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build() |
| .status(), |
| StatusIs(absl::StatusCode::kInvalidArgument, |
| HasSubstr("SignatureEncoding is not set"))); |
| } |
| |
| TEST(EcdsaParametersTest, BuildWithIncompatibleHashTypeForCurveP256Fails) { |
| // NIST_P256 curve requires SHA256 |
| EXPECT_THAT( |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP256) |
| .SetHashType(EcdsaParameters::HashType::kSha512) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build() |
| .status(), |
| StatusIs(absl::StatusCode::kInvalidArgument, |
| HasSubstr("NIST_P256 curve requires SHA256"))); |
| } |
| |
| TEST(EcdsaParametersTest, BuildWithIncompatibleHashTypeForCurveP384Fails) { |
| // NIST_P384 curve requires SHA384 or SHA512 |
| EXPECT_THAT( |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP384) |
| .SetHashType(EcdsaParameters::HashType::kSha256) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build() |
| .status(), |
| StatusIs(absl::StatusCode::kInvalidArgument, |
| HasSubstr("NIST_P384 curve requires SHA384 or SHA512"))); |
| } |
| |
| TEST(EcdsaParametersTest, BuildWithIncompatibleHashTypeForCurveP521Fails) { |
| // NIST_P521 curve requires SHA512 |
| EXPECT_THAT( |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP521) |
| .SetHashType(EcdsaParameters::HashType::kSha384) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build() |
| .status(), |
| StatusIs(absl::StatusCode::kInvalidArgument, |
| HasSubstr("NIST_P521 curve requires SHA512"))); |
| } |
| |
| TEST(EcdsaParametersTest, CopyConstructor) { |
| util::StatusOr<EcdsaParameters> parameters = |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP256) |
| .SetHashType(EcdsaParameters::HashType::kSha256) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build(); |
| ASSERT_THAT(parameters, IsOk()); |
| |
| EcdsaParameters copy(*parameters); |
| |
| EXPECT_THAT(copy.GetCurveType(), Eq(EcdsaParameters::CurveType::kNistP256)); |
| EXPECT_THAT(copy.GetHashType(), Eq(EcdsaParameters::HashType::kSha256)); |
| EXPECT_THAT(copy.GetSignatureEncoding(), |
| Eq(EcdsaParameters::SignatureEncoding::kDer)); |
| EXPECT_THAT(copy.GetVariant(), Eq(EcdsaParameters::Variant::kTink)); |
| EXPECT_THAT(copy.HasIdRequirement(), IsTrue()); |
| } |
| |
| TEST(EcdsaParametersTest, CopyAssignment) { |
| util::StatusOr<EcdsaParameters> parameters = |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP256) |
| .SetHashType(EcdsaParameters::HashType::kSha256) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build(); |
| ASSERT_THAT(parameters, IsOk()); |
| |
| EcdsaParameters copy = *parameters; |
| |
| EXPECT_THAT(copy.GetCurveType(), Eq(EcdsaParameters::CurveType::kNistP256)); |
| EXPECT_THAT(copy.GetHashType(), Eq(EcdsaParameters::HashType::kSha256)); |
| EXPECT_THAT(copy.GetSignatureEncoding(), |
| Eq(EcdsaParameters::SignatureEncoding::kDer)); |
| EXPECT_THAT(copy.GetVariant(), Eq(EcdsaParameters::Variant::kTink)); |
| EXPECT_THAT(copy.HasIdRequirement(), IsTrue()); |
| } |
| |
| TEST_P(EcdsaParametersTest, ParametersEquals) { |
| TestCase test_case = GetParam(); |
| |
| util::StatusOr<EcdsaParameters> parameters = |
| EcdsaParameters::Builder() |
| .SetCurveType(test_case.curve_type) |
| .SetHashType(test_case.hash_type) |
| .SetSignatureEncoding(test_case.signature_encoding) |
| .SetVariant(test_case.variant) |
| .Build(); |
| ASSERT_THAT(parameters, IsOk()); |
| |
| util::StatusOr<EcdsaParameters> other_parameters = |
| EcdsaParameters::Builder() |
| .SetCurveType(test_case.curve_type) |
| .SetHashType(test_case.hash_type) |
| .SetSignatureEncoding(test_case.signature_encoding) |
| .SetVariant(test_case.variant) |
| .Build(); |
| ASSERT_THAT(other_parameters, IsOk()); |
| |
| EXPECT_TRUE(*parameters == *other_parameters); |
| EXPECT_TRUE(*other_parameters == *parameters); |
| EXPECT_FALSE(*parameters != *other_parameters); |
| EXPECT_FALSE(*other_parameters != *parameters); |
| } |
| |
| TEST(EcdsaParametersTest, DifferentVariantNotEqual) { |
| util::StatusOr<EcdsaParameters> parameters = |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP256) |
| .SetHashType(EcdsaParameters::HashType::kSha256) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build(); |
| ASSERT_THAT(parameters, IsOk()); |
| |
| util::StatusOr<EcdsaParameters> other_parameters = |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP256) |
| .SetHashType(EcdsaParameters::HashType::kSha256) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kCrunchy) |
| .Build(); |
| ASSERT_THAT(other_parameters, IsOk()); |
| |
| EXPECT_TRUE(*parameters != *other_parameters); |
| EXPECT_FALSE(*parameters == *other_parameters); |
| } |
| |
| TEST(EcdsaParametersTest, DifferentCurveTypeNotEqual) { |
| util::StatusOr<EcdsaParameters> parameters = |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP384) |
| .SetHashType(EcdsaParameters::HashType::kSha512) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build(); |
| ASSERT_THAT(parameters, IsOk()); |
| |
| util::StatusOr<EcdsaParameters> other_parameters = |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP521) |
| .SetHashType(EcdsaParameters::HashType::kSha512) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build(); |
| ASSERT_THAT(other_parameters, IsOk()); |
| |
| EXPECT_TRUE(*parameters != *other_parameters); |
| EXPECT_FALSE(*parameters == *other_parameters); |
| } |
| |
| TEST(EcdsaParametersTest, DifferentHashTypeNotEqual) { |
| util::StatusOr<EcdsaParameters> parameters = |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP384) |
| .SetHashType(EcdsaParameters::HashType::kSha384) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build(); |
| ASSERT_THAT(parameters, IsOk()); |
| |
| util::StatusOr<EcdsaParameters> other_parameters = |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP384) |
| .SetHashType(EcdsaParameters::HashType::kSha512) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build(); |
| ASSERT_THAT(other_parameters, IsOk()); |
| |
| EXPECT_TRUE(*parameters != *other_parameters); |
| EXPECT_FALSE(*parameters == *other_parameters); |
| } |
| |
| TEST(EcdsaParametersTest, DifferentSignatureEncodingNotEqual) { |
| util::StatusOr<EcdsaParameters> parameters = |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP256) |
| .SetHashType(EcdsaParameters::HashType::kSha256) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kDer) |
| .SetVariant(EcdsaParameters::Variant::kTink) |
| .Build(); |
| ASSERT_THAT(parameters, IsOk()); |
| |
| util::StatusOr<EcdsaParameters> other_parameters = |
| EcdsaParameters::Builder() |
| .SetCurveType(EcdsaParameters::CurveType::kNistP256) |
| .SetHashType(EcdsaParameters::HashType::kSha256) |
| .SetSignatureEncoding(EcdsaParameters::SignatureEncoding::kIeeeP1363) |
| .SetVariant(EcdsaParameters::Variant::kCrunchy) |
| .Build(); |
| ASSERT_THAT(other_parameters, IsOk()); |
| |
| EXPECT_TRUE(*parameters != *other_parameters); |
| EXPECT_FALSE(*parameters == *other_parameters); |
| } |
| |
| } // namespace |
| } // namespace tink |
| } // namespace crypto |
