Initial patch from Will.

src/platform/cryptohome/authenticator.h

Index: src/platform/cryptohome/authenticator.h
diff --git a/src/platform/cryptohome/authenticator.h b/src/platform/cryptohome/authenticator.h
deleted file mode 100644
index 68825fbcc42de70a06fecefdefe9669acba97a1b..0000000000000000000000000000000000000000
--- a/src/platform/cryptohome/authenticator.h
+++ /dev/null
@@ -1,102 +0,0 @@
-// Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CRYPTOHOME_AUTHENTICATOR_H_
-#define CRYPTOHOME_AUTHENTICATOR_H_
-
-#include "base/basictypes.h"
-#include "base/file_path.h"
-#include "chromeos/utility.h"
-#include "cryptohome/credentials.h"
-
-namespace cryptohome {
-
-// System salt and user dirs start here.
-extern const std::string kDefaultShadowRoot;
-
-class Authenticator {
-
- public:
-  // Initializes the authenticator with the default shadow root of
-  // "/home/.shadow/".
-  Authenticator();
-
-  // Initializes the authenticator with an alternative shadow root.  The
-  // shadow_root should point to a directory with the system salt and
-  // obfuscated user directories.
-  //
-  // Parameters
-  //  shadow_root - A local file system path containing the system salt
-  //    and obfuscated user directories.
-  //
-  explicit Authenticator(const std::string &shadow_root);
-
-  virtual ~Authenticator();
-
-  // Loads the system salt, and anything else that might need to be done.
-  // This *must* be called before other methods.
-  //
-  // Returns false if the initialization fails for some reason.  May also
-  // spew LOG messages on failure.
-  virtual bool Init();
-
-  // Enumerates all of the master keys (master.0, master.1, etc), looking
-  // for ones that can be successfully decrypted with the given credentials.
-  //
-  // Parameters
-  //  credentials - An object representing the user's credentials.
-  //
-  virtual bool TestAllMasterKeys(const Credentials &credentials) const;
-
- private:
-  std::string shadow_root_;
-  chromeos::Blob system_salt_;
-
-  bool LoadFileBytes(const FilePath &path, chromeos::Blob *blob) const;
-  bool LoadFileString(const FilePath &path, std::string *str) const;
-
-  // Returns the system salt
-  chromeos::Blob GetSystemSalt() const;
-
-  // "Wraps" the hashed password using the same algorithm as
-  // cryptohome::password_to_wrapper.  This encodes the hashed_password in a
-  // master key specific salt, resulting in the passphrase for the master
-  // key.
-  //
-  // Parameters
-  //  master_salt_file - The local filesystem path to the salt file for the
-  //   master password that you intend to decrypt.
-  //  hashed_password  - The user's hashed password, as returned by
-  //   Credentials::GetPasswordWeakHash.
-  //  iters - The number of wrap iterations to perform.  Should be the same
-  //   number that were used by the cryptohome script to create the passphrase.
-  //
-  std::string IteratedWrapHashedPassword(const FilePath &master_salt_file,
-                                         const std::string &hashed_password,
-                                         const int iters) const;
-
-  // Same as above, except with a default iters of 1.
-  std::string WrapHashedPassword(const FilePath &master_salt_file,
-                                 const std::string &hashed_password) const;
-
-  bool TestDecrypt(const std::string passphrase,
-                   const chromeos::Blob salt,
-                   const chromeos::Blob cipher_text) const;
-
-  // Attempts to decrypt a single master key.
-  //
-  // Parameters
-  //  master_key_file - The full local filesystem path to the master key.
-  //  hashed_password - The hashed password (as returned by
-  //    Credentials.GetPasswordWeakHash)
-  //
-  bool TestOneMasterKey(const FilePath &master_key_file,
-                        const std::string &hashed_password) const;
-
-  DISALLOW_COPY_AND_ASSIGN(Authenticator);
-};
-
-} // namespace cryptohome
-
-#endif // CRYPTOHOME_AUTHENTICATOR_H_