blob: c9bc7d3f09449767d05f6faffd2d02c83ab28af3 [file] [log] [blame] [edit]
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "quiche/quic/core/crypto/p256_key_exchange.h"
#include <memory>
#include <string>
#include <utility>
#include "absl/strings/string_view.h"
#include "quiche/quic/platform/api/quic_test.h"
namespace quic {
namespace test {
class P256KeyExchangeTest : public QuicTest {
public:
// Holds the result of a key exchange callback.
class TestCallbackResult {
public:
void set_ok(bool ok) { ok_ = ok; }
bool ok() { return ok_; }
private:
bool ok_ = false;
};
// Key exchange callback which sets the result into the specified
// TestCallbackResult.
class TestCallback : public AsynchronousKeyExchange::Callback {
public:
TestCallback(TestCallbackResult* result) : result_(result) {}
virtual ~TestCallback() = default;
void Run(bool ok) { result_->set_ok(ok); }
private:
TestCallbackResult* result_;
};
};
// SharedKeyAsync just tests that the basic asynchronous key exchange identity
// holds: that both parties end up with the same key.
TEST_F(P256KeyExchangeTest, SharedKey) {
for (int i = 0; i < 5; i++) {
std::string alice_private(P256KeyExchange::NewPrivateKey());
std::string bob_private(P256KeyExchange::NewPrivateKey());
ASSERT_FALSE(alice_private.empty());
ASSERT_FALSE(bob_private.empty());
ASSERT_NE(alice_private, bob_private);
std::unique_ptr<P256KeyExchange> alice(P256KeyExchange::New(alice_private));
std::unique_ptr<P256KeyExchange> bob(P256KeyExchange::New(bob_private));
ASSERT_TRUE(alice != nullptr);
ASSERT_TRUE(bob != nullptr);
const absl::string_view alice_public(alice->public_value());
const absl::string_view bob_public(bob->public_value());
std::string alice_shared, bob_shared;
ASSERT_TRUE(alice->CalculateSharedKeySync(bob_public, &alice_shared));
ASSERT_TRUE(bob->CalculateSharedKeySync(alice_public, &bob_shared));
ASSERT_EQ(alice_shared, bob_shared);
}
}
// SharedKey just tests that the basic key exchange identity holds: that both
// parties end up with the same key.
TEST_F(P256KeyExchangeTest, AsyncSharedKey) {
for (int i = 0; i < 5; i++) {
std::string alice_private(P256KeyExchange::NewPrivateKey());
std::string bob_private(P256KeyExchange::NewPrivateKey());
ASSERT_FALSE(alice_private.empty());
ASSERT_FALSE(bob_private.empty());
ASSERT_NE(alice_private, bob_private);
std::unique_ptr<P256KeyExchange> alice(P256KeyExchange::New(alice_private));
std::unique_ptr<P256KeyExchange> bob(P256KeyExchange::New(bob_private));
ASSERT_TRUE(alice != nullptr);
ASSERT_TRUE(bob != nullptr);
const absl::string_view alice_public(alice->public_value());
const absl::string_view bob_public(bob->public_value());
std::string alice_shared, bob_shared;
TestCallbackResult alice_result;
ASSERT_FALSE(alice_result.ok());
alice->CalculateSharedKeyAsync(
bob_public, &alice_shared,
std::make_unique<TestCallback>(&alice_result));
ASSERT_TRUE(alice_result.ok());
TestCallbackResult bob_result;
ASSERT_FALSE(bob_result.ok());
bob->CalculateSharedKeyAsync(alice_public, &bob_shared,
std::make_unique<TestCallback>(&bob_result));
ASSERT_TRUE(bob_result.ok());
ASSERT_EQ(alice_shared, bob_shared);
ASSERT_NE(0u, alice_shared.length());
ASSERT_NE(0u, bob_shared.length());
}
}
} // namespace test
} // namespace quic