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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef COMPONENTS_OS_CRYPT_IE7_PASSWORD_WIN_H_
      6 #define COMPONENTS_OS_CRYPT_IE7_PASSWORD_WIN_H_
      7 
      8 #include <windows.h>
      9 #include <string>
     10 #include <vector>
     11 
     12 #include "base/basictypes.h"
     13 #include "base/time/time.h"
     14 
     15 // Contains the information read from the IE7/IE8 Storage2 key in the registry.
     16 struct IE7PasswordInfo {
     17   // Hash of the url.
     18   std::wstring url_hash;
     19 
     20   // Encrypted data containing the username, password and some more undocumented
     21   // fields.
     22   std::vector<unsigned char> encrypted_data;
     23 
     24   // When the login was imported.
     25   base::Time date_created;
     26 };
     27 
     28 namespace ie7_password {
     29 
     30 struct DecryptedCredentials {
     31   std::wstring username;
     32   std::wstring password;
     33 };
     34 
     35 // Parses a data structure to find passwords and usernames.
     36 // The collection of bytes in |data| is interpreted as a special PasswordEntry
     37 // structure. IE saves the login information as a binary dump of this structure.
     38 // Credentials extracted from |data| end up in |credentials|.
     39 bool GetUserPassFromData(const std::vector<unsigned char>& data,
     40                          std::vector<DecryptedCredentials>* credentials);
     41 
     42 // Decrypts usernames and passwords for a given data vector using the url as
     43 // the key.
     44 // Output ends up in |credentials|.
     45 bool DecryptPasswords(const std::wstring& url,
     46                       const std::vector<unsigned char>& data,
     47                       std::vector<DecryptedCredentials>* credentials);
     48 
     49 // Returns the hash of a url.
     50 std::wstring GetUrlHash(const std::wstring& url);
     51 
     52 }  // namespace ie7_password
     53 
     54 #endif  // COMPONENTS_OS_CRYPT_IE7_PASSWORD_WIN_H_
     55