| // 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/signature/ecdsa_verify_key_manager.h" |
| |
| #include "tink/public_key_sign.h" |
| #include "tink/public_key_verify.h" |
| #include "tink/registry.h" |
| #include "tink/signature/ecdsa_sign_key_manager.h" |
| #include "tink/util/status.h" |
| #include "tink/util/statusor.h" |
| #include "tink/util/test_util.h" |
| #include "gtest/gtest.h" |
| #include "proto/common.pb.h" |
| #include "proto/ecdsa.pb.h" |
| #include "proto/aes_eax.pb.h" |
| #include "proto/tink.pb.h" |
| |
| namespace crypto { |
| namespace tink { |
| |
| using google::crypto::tink::AesEaxKey; |
| using google::crypto::tink::EcdsaKeyFormat; |
| using google::crypto::tink::EcdsaPrivateKey; |
| using google::crypto::tink::EcdsaPublicKey; |
| using google::crypto::tink::EcdsaSignatureEncoding; |
| using google::crypto::tink::EllipticCurveType; |
| using google::crypto::tink::HashType; |
| using google::crypto::tink::KeyData; |
| |
| namespace { |
| |
| class EcdsaVerifyKeyManagerTest : public ::testing::Test { |
| protected: |
| std::string key_type_prefix_ = "type.googleapis.com/"; |
| std::string ecdsa_verify_key_type_ = |
| "type.googleapis.com/google.crypto.tink.EcdsaPublicKey"; |
| }; |
| |
| TEST_F(EcdsaVerifyKeyManagerTest, testBasic) { |
| EcdsaVerifyKeyManager key_manager; |
| |
| EXPECT_EQ(0, key_manager.get_version()); |
| EXPECT_EQ("type.googleapis.com/google.crypto.tink.EcdsaPublicKey", |
| key_manager.get_key_type()); |
| EXPECT_TRUE(key_manager.DoesSupport(key_manager.get_key_type())); |
| } |
| |
| TEST_F(EcdsaVerifyKeyManagerTest, testKeyDataErrors) { |
| EcdsaVerifyKeyManager key_manager; |
| |
| { // Bad key type. |
| KeyData key_data; |
| std::string bad_key_type = |
| "type.googleapis.com/google.crypto.tink.SomeOtherKey"; |
| key_data.set_type_url(bad_key_type); |
| auto result = key_manager.GetPrimitive(key_data); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::INVALID_ARGUMENT, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "not supported", |
| result.status().error_message()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, bad_key_type, |
| result.status().error_message()); |
| } |
| |
| { // Bad key value. |
| KeyData key_data; |
| key_data.set_type_url(ecdsa_verify_key_type_); |
| key_data.set_value("some bad serialized proto"); |
| auto result = key_manager.GetPrimitive(key_data); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::INVALID_ARGUMENT, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "not parse", |
| result.status().error_message()); |
| } |
| |
| { // Bad version. |
| KeyData key_data; |
| EcdsaPublicKey key; |
| key.set_version(1); |
| key_data.set_type_url(ecdsa_verify_key_type_); |
| key_data.set_value(key.SerializeAsString()); |
| auto result = key_manager.GetPrimitive(key_data); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::INVALID_ARGUMENT, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "version", |
| result.status().error_message()); |
| } |
| } |
| |
| TEST_F(EcdsaVerifyKeyManagerTest, testKeyMessageErrors) { |
| EcdsaVerifyKeyManager key_manager; |
| |
| { // Bad protobuffer. |
| AesEaxKey key; |
| auto result = key_manager.GetPrimitive(key); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::INVALID_ARGUMENT, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "AesEaxKey", |
| result.status().error_message()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "not supported", |
| result.status().error_message()); |
| } |
| |
| { // Bad elliptic curve. |
| EcdsaPublicKey key; |
| key.mutable_params()->set_encoding(EcdsaSignatureEncoding::DER); |
| key.mutable_params()->set_curve(EllipticCurveType::UNKNOWN_CURVE); |
| auto result = key_manager.GetPrimitive(key); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::INVALID_ARGUMENT, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "Unsupported elliptic curve", |
| result.status().error_message()); |
| } |
| |
| { // Bad hash type for NIST P256. |
| EcdsaPublicKey key; |
| key.mutable_params()->set_encoding(EcdsaSignatureEncoding::DER); |
| key.mutable_params()->set_curve(EllipticCurveType::NIST_P256); |
| key.mutable_params()->set_hash_type(HashType::SHA512); |
| auto result = key_manager.GetPrimitive(key); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::INVALID_ARGUMENT, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "Only SHA256", |
| result.status().error_message()); |
| } |
| |
| { // Bad hash type for NIST P384. |
| EcdsaPublicKey key; |
| key.mutable_params()->set_encoding(EcdsaSignatureEncoding::DER); |
| key.mutable_params()->set_curve(EllipticCurveType::NIST_P384); |
| key.mutable_params()->set_hash_type(HashType::SHA256); |
| auto result = key_manager.GetPrimitive(key); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::INVALID_ARGUMENT, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "Only SHA512", |
| result.status().error_message()); |
| } |
| |
| { // Bad hash type for NIST P521. |
| EcdsaPublicKey key; |
| key.mutable_params()->set_encoding(EcdsaSignatureEncoding::DER); |
| key.mutable_params()->set_curve(EllipticCurveType::NIST_P384); |
| key.mutable_params()->set_hash_type(HashType::SHA256); |
| auto result = key_manager.GetPrimitive(key); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::INVALID_ARGUMENT, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "Only SHA512", |
| result.status().error_message()); |
| } |
| } |
| |
| TEST_F(EcdsaVerifyKeyManagerTest, testPrimitives) { |
| EcdsaSignatureEncoding encodings[2] = {EcdsaSignatureEncoding::DER, |
| EcdsaSignatureEncoding::IEEE_P1363}; |
| for (EcdsaSignatureEncoding encoding : encodings) { |
| std::string message = "some message to sign"; |
| EcdsaSignKeyManager sign_key_manager; |
| EcdsaVerifyKeyManager verify_key_manager; |
| EcdsaPrivateKey private_key = test::GetEcdsaTestPrivateKey( |
| EllipticCurveType::NIST_P256, HashType::SHA256, encoding); |
| EcdsaPublicKey key = private_key.public_key(); |
| auto sign = |
| std::move(sign_key_manager.GetPrimitive(private_key).ValueOrDie()); |
| std::string signature = sign->Sign(message).ValueOrDie(); |
| |
| { // Using Key proto. |
| auto result = verify_key_manager.GetPrimitive(key); |
| EXPECT_TRUE(result.ok()) << result.status(); |
| auto verify = std::move(result.ValueOrDie()); |
| auto verify_status = verify->Verify(signature, message); |
| EXPECT_TRUE(verify_status.ok()) << verify_status; |
| } |
| |
| { // Using KeyData proto. |
| KeyData key_data; |
| key_data.set_type_url(ecdsa_verify_key_type_); |
| key_data.set_value(key.SerializeAsString()); |
| auto result = verify_key_manager.GetPrimitive(key_data); |
| EXPECT_TRUE(result.ok()) << result.status(); |
| auto verify = std::move(result.ValueOrDie()); |
| auto verify_status = verify->Verify(signature, message); |
| EXPECT_TRUE(verify_status.ok()) << verify_status; |
| } |
| |
| { // Using Key proto with wrong encoding. |
| auto params = key.mutable_params(); |
| params->set_encoding(encoding == EcdsaSignatureEncoding::DER |
| ? EcdsaSignatureEncoding::IEEE_P1363 |
| : EcdsaSignatureEncoding::DER); |
| auto result = verify_key_manager.GetPrimitive(key); |
| EXPECT_TRUE(result.ok()) << result.status(); |
| auto verify = std::move(result.ValueOrDie()); |
| auto verify_status = verify->Verify(signature, message); |
| EXPECT_FALSE(verify_status.ok()) << verify_status; |
| } |
| } |
| } |
| |
| TEST_F(EcdsaVerifyKeyManagerTest, testNewKeyError) { |
| EcdsaVerifyKeyManager key_manager; |
| const KeyFactory& key_factory = key_manager.get_key_factory(); |
| |
| { // Via NewKey(format_proto). |
| EcdsaKeyFormat key_format; |
| auto result = key_factory.NewKey(key_format); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::UNIMPLEMENTED, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "not supported", |
| result.status().error_message()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "use the EcdsaSignKeyManager", |
| result.status().error_message()); |
| } |
| |
| { // Via NewKey(serialized_format_proto). |
| EcdsaKeyFormat key_format; |
| auto result = key_factory.NewKey(key_format.SerializeAsString()); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::UNIMPLEMENTED, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "not supported", |
| result.status().error_message()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "use the EcdsaSignKeyManager", |
| result.status().error_message()); |
| } |
| |
| { // Via NewKeyData(serialized_format_proto). |
| EcdsaKeyFormat key_format; |
| auto result = key_factory.NewKeyData(key_format.SerializeAsString()); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(util::error::UNIMPLEMENTED, result.status().error_code()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "not supported", |
| result.status().error_message()); |
| EXPECT_PRED_FORMAT2(testing::IsSubstring, "use the EcdsaSignKeyManager", |
| result.status().error_message()); |
| } |
| } |
| |
| } // namespace |
| } // namespace tink |
| } // namespace crypto |