| // Copyright 2019 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/ed25519_sign_key_manager.h" |
| |
| #include <string> |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| #include "absl/container/flat_hash_set.h" |
| #include "absl/status/status.h" |
| #include "tink/public_key_sign.h" |
| #include "tink/registry.h" |
| #include "tink/signature/ed25519_verify_key_manager.h" |
| #include "tink/subtle/ed25519_verify_boringssl.h" |
| #include "tink/util/enums.h" |
| #include "tink/util/istream_input_stream.h" |
| #include "tink/util/protobuf_helper.h" |
| #include "tink/util/status.h" |
| #include "tink/util/statusor.h" |
| #include "tink/util/test_matchers.h" |
| #include "tink/util/test_util.h" |
| #include "proto/ed25519.pb.h" |
| |
| namespace crypto { |
| namespace tink { |
| |
| using ::crypto::tink::test::IsOk; |
| using ::crypto::tink::util::StatusOr; |
| using ::google::crypto::tink::Ed25519KeyFormat; |
| using ::google::crypto::tink::Ed25519PrivateKey; |
| using ::google::crypto::tink::Ed25519PublicKey; |
| using ::google::crypto::tink::KeyData; |
| using ::testing::Eq; |
| using ::testing::Not; |
| using ::testing::SizeIs; |
| |
| namespace { |
| |
| TEST(Ed25519SignKeyManagerTest, Basic) { |
| EXPECT_THAT(Ed25519SignKeyManager().get_version(), Eq(0)); |
| EXPECT_THAT(Ed25519SignKeyManager().key_material_type(), |
| Eq(KeyData::ASYMMETRIC_PRIVATE)); |
| EXPECT_THAT(Ed25519SignKeyManager().get_key_type(), |
| Eq("type.googleapis.com/google.crypto.tink.Ed25519PrivateKey")); |
| } |
| |
| TEST(Ed25519SignKeyManagerTest, ValidateKeyFormat) { |
| EXPECT_THAT(Ed25519SignKeyManager().ValidateKeyFormat(Ed25519KeyFormat()), |
| IsOk()); |
| } |
| |
| TEST(Ed25519SignKeyManagerTest, CreateKey) { |
| StatusOr<Ed25519PrivateKey> key_or = |
| Ed25519SignKeyManager().CreateKey(Ed25519KeyFormat()); |
| ASSERT_THAT(key_or, IsOk()); |
| Ed25519PrivateKey key = key_or.value(); |
| |
| EXPECT_THAT(key.version(), Eq(0)); |
| |
| EXPECT_THAT(key.public_key().version(), Eq(key.version())); |
| |
| EXPECT_THAT(key.key_value(), SizeIs(32)); |
| EXPECT_THAT(key.public_key().key_value(), SizeIs(32)); |
| } |
| |
| TEST(Ed25519SignKeyManagerTest, CreateKeyValid) { |
| StatusOr<Ed25519PrivateKey> key_or = |
| Ed25519SignKeyManager().CreateKey(Ed25519KeyFormat()); |
| ASSERT_THAT(key_or, IsOk()); |
| EXPECT_THAT(Ed25519SignKeyManager().ValidateKey(key_or.value()), IsOk()); |
| } |
| |
| TEST(Ed25519SignKeyManagerTest, CreateKeyAlwaysNew) { |
| absl::flat_hash_set<std::string> keys; |
| int num_tests = 100; |
| for (int i = 0; i < num_tests; ++i) { |
| StatusOr<Ed25519PrivateKey> key_or = |
| Ed25519SignKeyManager().CreateKey(Ed25519KeyFormat()); |
| ASSERT_THAT(key_or, IsOk()); |
| keys.insert(key_or.value().key_value()); |
| } |
| EXPECT_THAT(keys, SizeIs(num_tests)); |
| } |
| |
| TEST(Ed25519SignKeyManagerTest, GetPublicKey) { |
| StatusOr<Ed25519PrivateKey> key_or = |
| Ed25519SignKeyManager().CreateKey(Ed25519KeyFormat()); |
| ASSERT_THAT(key_or, IsOk()); |
| StatusOr<Ed25519PublicKey> public_key_or = |
| Ed25519SignKeyManager().GetPublicKey(key_or.value()); |
| ASSERT_THAT(public_key_or, IsOk()); |
| EXPECT_THAT(public_key_or.value().version(), |
| Eq(key_or.value().public_key().version())); |
| EXPECT_THAT(public_key_or.value().key_value(), |
| Eq(key_or.value().public_key().key_value())); |
| } |
| |
| TEST(Ed25519SignKeyManagerTest, Create) { |
| StatusOr<Ed25519PrivateKey> key_or = |
| Ed25519SignKeyManager().CreateKey(Ed25519KeyFormat()); |
| ASSERT_THAT(key_or, IsOk()); |
| Ed25519PrivateKey key = key_or.value(); |
| |
| auto signer_or = |
| Ed25519SignKeyManager().GetPrimitive<PublicKeySign>(key); |
| ASSERT_THAT(signer_or, IsOk()); |
| |
| auto direct_verifier_or = |
| subtle::Ed25519VerifyBoringSsl::New(key.public_key().key_value()); |
| |
| ASSERT_THAT(direct_verifier_or, IsOk()); |
| |
| std::string message = "Some message"; |
| EXPECT_THAT(direct_verifier_or.value()->Verify( |
| signer_or.value()->Sign(message).value(), message), |
| IsOk()); |
| } |
| |
| TEST(Ed25519SignKeyManagerTest, CreateDifferentKey) { |
| StatusOr<Ed25519PrivateKey> key_or = |
| Ed25519SignKeyManager().CreateKey(Ed25519KeyFormat()); |
| ASSERT_THAT(key_or, IsOk()); |
| Ed25519PrivateKey key = key_or.value(); |
| |
| auto signer_or = |
| Ed25519SignKeyManager().GetPrimitive<PublicKeySign>(key); |
| ASSERT_THAT(signer_or, IsOk()); |
| |
| auto direct_verifier_or = |
| subtle::Ed25519VerifyBoringSsl::New("01234567890123456789012345678901"); |
| |
| ASSERT_THAT(direct_verifier_or, IsOk()); |
| |
| std::string message = "Some message"; |
| EXPECT_THAT(direct_verifier_or.value()->Verify( |
| signer_or.value()->Sign(message).value(), message), |
| Not(IsOk())); |
| } |
| |
| TEST(Ed25519SignKeyManagerTest, DeriveKey) { |
| Ed25519KeyFormat format; |
| |
| util::IstreamInputStream input_stream{ |
| absl::make_unique<std::stringstream>("0123456789abcdef0123456789abcdef")}; |
| |
| StatusOr<Ed25519PrivateKey> key_or = |
| Ed25519SignKeyManager().DeriveKey(format, &input_stream); |
| ASSERT_THAT(key_or, IsOk()); |
| EXPECT_THAT(key_or.value().key_value(), |
| Eq("0123456789abcdef0123456789abcdef")); |
| } |
| |
| TEST(Ed25519SignKeyManagerTest, DeriveKeySignVerify) { |
| Ed25519KeyFormat format; |
| |
| util::IstreamInputStream input_stream{ |
| absl::make_unique<std::stringstream>("0123456789abcdef0123456789abcdef")}; |
| |
| Ed25519PrivateKey key = |
| Ed25519SignKeyManager().DeriveKey(format, &input_stream).value(); |
| auto signer_or = Ed25519SignKeyManager().GetPrimitive<PublicKeySign>(key); |
| ASSERT_THAT(signer_or, IsOk()); |
| |
| std::string message = "Some message"; |
| auto signature = signer_or.value()->Sign(message).value(); |
| |
| auto verifier_or = |
| Ed25519VerifyKeyManager().GetPrimitive<PublicKeyVerify>(key.public_key()); |
| |
| EXPECT_THAT(verifier_or.value()->Verify(signature, message), IsOk()); |
| } |
| |
| TEST(Ed25519SignKeyManagerTest, DeriveKeyNotEnoughRandomness) { |
| Ed25519KeyFormat format; |
| |
| util::IstreamInputStream input_stream{ |
| absl::make_unique<std::stringstream>("tooshort")}; |
| |
| ASSERT_THAT(Ed25519SignKeyManager().DeriveKey(format, &input_stream).status(), |
| test::StatusIs(absl::StatusCode::kInvalidArgument)); |
| } |
| |
| } // namespace |
| } // namespace tink |
| } // namespace crypto |
| |