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/*
* Copyright (C) 2021 The Android Open Source Project
*
* 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 <binder/RpcTlsTestUtils.h>
#include <binder/RpcTlsUtils.h>
#include <gtest/gtest.h>
namespace android {
std::string toDebugString(EVP_PKEY* pkey) {
bssl::UniquePtr<BIO> bio(BIO_new(BIO_s_mem()));
int res = EVP_PKEY_print_public(bio.get(), pkey, 2, nullptr);
std::string buf = "\nEVP_PKEY_print_public -> " + std::to_string(res) + "\n";
if (BIO_write(bio.get(), buf.data(), buf.length()) <= 0) return {};
res = EVP_PKEY_print_private(bio.get(), pkey, 2, nullptr);
buf = "\nEVP_PKEY_print_private -> " + std::to_string(res);
if (BIO_write(bio.get(), buf.data(), buf.length()) <= 0) return {};
const uint8_t* data;
size_t len;
if (!BIO_mem_contents(bio.get(), &data, &len)) return {};
return std::string(reinterpret_cast<const char*>(data), len);
}
class RpcTlsUtilsKeyTest : public testing::TestWithParam<RpcKeyFormat> {
public:
static inline std::string PrintParamInfo(const testing::TestParamInfo<ParamType>& info) {
return PrintToString(info.param);
}
};
TEST_P(RpcTlsUtilsKeyTest, Test) {
auto pkey = makeKeyPairForSelfSignedCert();
ASSERT_NE(nullptr, pkey);
auto pkeyData = serializeUnencryptedPrivatekey(pkey.get(), GetParam());
auto deserializedPkey = deserializeUnencryptedPrivatekey(pkeyData, GetParam());
ASSERT_NE(nullptr, deserializedPkey);
EXPECT_EQ(1, EVP_PKEY_cmp(pkey.get(), deserializedPkey.get()))
<< "expected: " << toDebugString(pkey.get())
<< "\nactual: " << toDebugString(deserializedPkey.get());
}
INSTANTIATE_TEST_CASE_P(RpcTlsUtilsTest, RpcTlsUtilsKeyTest,
testing::Values(RpcKeyFormat::PEM, RpcKeyFormat::DER),
RpcTlsUtilsKeyTest::PrintParamInfo);
class RpcTlsUtilsCertTest : public testing::TestWithParam<RpcCertificateFormat> {
public:
static inline std::string PrintParamInfo(const testing::TestParamInfo<ParamType>& info) {
return PrintToString(info.param);
}
};
TEST_P(RpcTlsUtilsCertTest, Test) {
auto pkey = makeKeyPairForSelfSignedCert();
ASSERT_NE(nullptr, pkey);
// Make certificate from the original key in memory
auto cert = makeSelfSignedCert(pkey.get(), kCertValidSeconds);
ASSERT_NE(nullptr, cert);
auto certData = serializeCertificate(cert.get(), GetParam());
auto deserializedCert = deserializeCertificate(certData, GetParam());
ASSERT_NE(nullptr, deserializedCert);
EXPECT_EQ(0, X509_cmp(cert.get(), deserializedCert.get()));
}
INSTANTIATE_TEST_CASE_P(RpcTlsUtilsTest, RpcTlsUtilsCertTest,
testing::Values(RpcCertificateFormat::PEM, RpcCertificateFormat::DER),
RpcTlsUtilsCertTest::PrintParamInfo);
class RpcTlsUtilsKeyAndCertTest
: public testing::TestWithParam<std::tuple<RpcKeyFormat, RpcCertificateFormat>> {
public:
static inline std::string PrintParamInfo(const testing::TestParamInfo<ParamType>& info) {
auto [keyFormat, certificateFormat] = info.param;
return "key_" + PrintToString(keyFormat) + "_cert_" + PrintToString(certificateFormat);
}
};
TEST_P(RpcTlsUtilsKeyAndCertTest, TestCertFromDeserializedKey) {
auto [keyFormat, certificateFormat] = GetParam();
auto pkey = makeKeyPairForSelfSignedCert();
ASSERT_NE(nullptr, pkey);
auto pkeyData = serializeUnencryptedPrivatekey(pkey.get(), keyFormat);
auto deserializedPkey = deserializeUnencryptedPrivatekey(pkeyData, keyFormat);
ASSERT_NE(nullptr, deserializedPkey);
// Make certificate from deserialized key loaded from bytes
auto cert = makeSelfSignedCert(deserializedPkey.get(), kCertValidSeconds);
ASSERT_NE(nullptr, cert);
auto certData = serializeCertificate(cert.get(), certificateFormat);
auto deserializedCert = deserializeCertificate(certData, certificateFormat);
ASSERT_NE(nullptr, deserializedCert);
EXPECT_EQ(0, X509_cmp(cert.get(), deserializedCert.get()));
}
INSTANTIATE_TEST_CASE_P(RpcTlsUtilsTest, RpcTlsUtilsKeyAndCertTest,
testing::Combine(testing::Values(RpcKeyFormat::PEM, RpcKeyFormat::DER),
testing::Values(RpcCertificateFormat::PEM,
RpcCertificateFormat::DER)),
RpcTlsUtilsKeyAndCertTest::PrintParamInfo);
} // namespace android
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