blob: e5ed6e058664d8ad009918619858598b914ac0ea [file] [log] [blame]
// 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 "net/third_party/quiche/src/quic/core/crypto/curve25519_key_exchange.h"
#include <memory>
#include "net/third_party/quiche/src/quic/core/crypto/quic_random.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_ptr_util.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_string.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
namespace quic {
namespace test {
class Curve25519KeyExchangeTest : 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 KeyExchange::Callback {
public:
TestCallback(TestCallbackResult* result) : result_(result) {}
virtual ~TestCallback() = default;
void Run(bool ok) { result_->set_ok(ok); }
private:
TestCallbackResult* result_;
};
};
// SharedKey just tests that the basic key exchange identity holds: that both
// parties end up with the same key.
TEST_F(Curve25519KeyExchangeTest, SharedKey) {
QuicRandom* const rand = QuicRandom::GetInstance();
for (int i = 0; i < 5; i++) {
const QuicString alice_key(Curve25519KeyExchange::NewPrivateKey(rand));
const QuicString bob_key(Curve25519KeyExchange::NewPrivateKey(rand));
std::unique_ptr<Curve25519KeyExchange> alice(
Curve25519KeyExchange::New(alice_key));
std::unique_ptr<Curve25519KeyExchange> bob(
Curve25519KeyExchange::New(bob_key));
const QuicStringPiece alice_public(alice->public_value());
const QuicStringPiece bob_public(bob->public_value());
QuicString alice_shared, bob_shared;
ASSERT_TRUE(alice->CalculateSharedKey(bob_public, &alice_shared));
ASSERT_TRUE(bob->CalculateSharedKey(alice_public, &bob_shared));
ASSERT_EQ(alice_shared, bob_shared);
}
}
// SharedKeyAsync just tests that the basic asynchronouse key exchange identity
// holds: that both parties end up with the same key.
TEST_F(Curve25519KeyExchangeTest, SharedKeyAsync) {
QuicRandom* const rand = QuicRandom::GetInstance();
for (int i = 0; i < 5; i++) {
const QuicString alice_key(Curve25519KeyExchange::NewPrivateKey(rand));
const QuicString bob_key(Curve25519KeyExchange::NewPrivateKey(rand));
std::unique_ptr<Curve25519KeyExchange> alice(
Curve25519KeyExchange::New(alice_key));
std::unique_ptr<Curve25519KeyExchange> bob(
Curve25519KeyExchange::New(bob_key));
const QuicStringPiece alice_public(alice->public_value());
const QuicStringPiece bob_public(bob->public_value());
QuicString alice_shared, bob_shared;
TestCallbackResult alice_result;
ASSERT_FALSE(alice_result.ok());
alice->CalculateSharedKey(bob_public, &alice_shared,
QuicMakeUnique<TestCallback>(&alice_result));
ASSERT_TRUE(alice_result.ok());
TestCallbackResult bob_result;
ASSERT_FALSE(bob_result.ok());
bob->CalculateSharedKey(alice_public, &bob_shared,
QuicMakeUnique<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