| // 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 <iostream> |
| |
| #include "tink/subtle/ecies_hkdf_sender_kem_boringssl.h" |
| #include "tink/subtle/common_enums.h" |
| #include "tink/subtle/ecies_hkdf_recipient_kem_boringssl.h" |
| #include "tink/subtle/subtle_util_boringssl.h" |
| #include "tink/util/status.h" |
| #include "tink/util/statusor.h" |
| #include "tink/util/test_util.h" |
| #include "gtest/gtest.h" |
| |
| // TODO(quannguyen): Add extensive tests. |
| // It's important to test compatibility with Java. |
| namespace crypto { |
| namespace tink { |
| namespace subtle { |
| namespace { |
| |
| class EciesHkdfSenderKemBoringSslTest : public ::testing::Test {}; |
| |
| struct TestVector { |
| EllipticCurveType curve; |
| HashType hash; |
| EcPointFormat point_format; |
| std::string salt_hex; |
| std::string info_hex; |
| int out_len; |
| }; |
| |
| static const std::vector<TestVector> test_vector( |
| {{ |
| EllipticCurveType::NIST_P256, HashType::SHA256, |
| EcPointFormat::UNCOMPRESSED, "0b0b0b0b", "0b0b0b0b0b0b0b0b", 32, |
| }, |
| { |
| EllipticCurveType::NIST_P256, HashType::SHA256, |
| EcPointFormat::COMPRESSED, "0b0b0b0b", "0b0b0b0b0b0b0b0b", 32, |
| }}); |
| |
| TEST_F(EciesHkdfSenderKemBoringSslTest, testSenderRecipientBasic) { |
| for (const TestVector& test : test_vector) { |
| auto test_key = SubtleUtilBoringSSL::GetNewEcKey(test.curve).ValueOrDie(); |
| auto status_or_sender_kem = EciesHkdfSenderKemBoringSsl::New( |
| test.curve, test_key.pub_x, test_key.pub_y); |
| ASSERT_TRUE(status_or_sender_kem.ok()); |
| auto sender_kem = std::move(status_or_sender_kem.ValueOrDie()); |
| auto status_or_kem_key = sender_kem->GenerateKey( |
| test.hash, test::HexDecodeOrDie(test.salt_hex), |
| test::HexDecodeOrDie(test.info_hex), test.out_len, test.point_format); |
| ASSERT_TRUE(status_or_kem_key.ok()); |
| auto kem_key = std::move(status_or_kem_key.ValueOrDie()); |
| auto ecies_recipient(std::move(EciesHkdfRecipientKemBoringSsl::New( |
| test.curve, test_key.priv).ValueOrDie())); |
| auto status_or_shared_secret = ecies_recipient->GenerateKey( |
| kem_key->get_kem_bytes(), test.hash, |
| test::HexDecodeOrDie(test.salt_hex), |
| test::HexDecodeOrDie(test.info_hex), |
| test.out_len, test.point_format); |
| std::cout << test::HexEncode(kem_key->get_kem_bytes()) << std::endl; |
| EXPECT_EQ(test::HexEncode(kem_key->get_symmetric_key()), |
| test::HexEncode(status_or_shared_secret.ValueOrDie())); |
| } |
| } |
| |
| } // namespace |
| } // namespace subtle |
| } // namespace tink |
| } // namespace crypto |