Updating D2D protocol to v1 to support separate sequence numbers.

components/cryptauth/session_keys_unittest.cc

+// Copyright 2017 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 "components/cryptauth/session_keys.h"
+
+#include <string>
+#include <vector>
+
+#include "base/macros.h"
+#include "base/strings/string_number_conversions.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace cryptauth {
+namespace {
+
+// Values generated using the Android implementation.
+const char kMasterKeyHex[] =
+    "f611126a04302551ac1e8ed512952ee287a1d2561e2a2c72e7bf1ebe4bdc74ce";
+const char kInitiatorKeyHex[] =
+    "787ec48783f0a1f9fb9c5bc0230c2e7f45b8783acf8c9bd1c63242df9da31999";
+const char kResponderKeyHex[] =
+    "a366ec1f9cf327b69c341211216545cc302379078229eae78b43d60c110a6fba";
+
+}  // namespace
+
+class CryptAuthSessionKeysTest : public testing::Test {
+ protected:
+  CryptAuthSessionKeysTest() {}
+
+  DISALLOW_COPY_AND_ASSIGN(CryptAuthSessionKeysTest);
+};
+
+TEST_F(CryptAuthSessionKeysTest, GenerateKeys) {
+  std::vector<uint8_t> data;
+
+  std::string master_key(kMasterKeyHex);
+  ASSERT_TRUE(base::HexStringToBytes(master_key, &data));
+  master_key.assign(reinterpret_cast<char*>(&data[0]), data.size());
+
+  data.clear();
+  std::string initiator_key(kInitiatorKeyHex);
+  ASSERT_TRUE(base::HexStringToBytes(initiator_key, &data));
+  initiator_key.assign(reinterpret_cast<char*>(&data[0]), data.size());
+
+  data.clear();
+  std::string responder_key(kResponderKeyHex);
+  ASSERT_TRUE(base::HexStringToBytes(responder_key, &data));
+  responder_key.assign(reinterpret_cast<char*>(&data[0]), data.size());
+
+  SessionKeys session_keys(master_key);
+  EXPECT_EQ(initiator_key, session_keys.initiator_encode_key());
+  EXPECT_EQ(responder_key, session_keys.responder_encode_key());
+}
+
+}  // namespace cryptauth