[Athena] Extract Chrome OS authentication stack

chrome/browser/chromeos/login/auth/key_unittest.cc

-// Copyright 2014 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 "chrome/browser/chromeos/login/auth/key.h"
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace chromeos {
-
-namespace {
-
-const char kPassword[] = "password";
-const char kLabel[] = "label";
-const char kSalt[] =
-    "deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef";
-
-}  // namespace
-
-TEST(KeyTest, ClearSecret) {
-  Key key(kPassword);
-  key.SetLabel(kLabel);
-  EXPECT_EQ(Key::KEY_TYPE_PASSWORD_PLAIN, key.GetKeyType());
-  EXPECT_EQ(kPassword, key.GetSecret());
-  EXPECT_EQ(kLabel, key.GetLabel());
-
-  key.ClearSecret();
-  EXPECT_EQ(Key::KEY_TYPE_PASSWORD_PLAIN, key.GetKeyType());
-  EXPECT_TRUE(key.GetSecret().empty());
-  EXPECT_EQ(kLabel, key.GetLabel());
-}
-
-TEST(KeyTest, TransformToSaltedSHA256TopHalf) {
-  Key key(kPassword);
-  key.Transform(Key::KEY_TYPE_SALTED_SHA256_TOP_HALF, kSalt);
-  EXPECT_EQ(Key::KEY_TYPE_SALTED_SHA256_TOP_HALF, key.GetKeyType());
-  EXPECT_EQ("5b01941771e47fa408380aa675703f4f", key.GetSecret());
-}
-
-TEST(KeyTest, TransformToSaltedAES2561234) {
-  Key key(kPassword);
-  key.Transform(Key::KEY_TYPE_SALTED_PBKDF2_AES256_1234, kSalt);
-  EXPECT_EQ(Key::KEY_TYPE_SALTED_PBKDF2_AES256_1234, key.GetKeyType());
-  EXPECT_EQ("GUkNnvqoULf/cXbZscVUnANmLBB0ovjGZsj1sKzP5BE=", key.GetSecret());
-}
-
-}  // namespace chromeos