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| 1 // Copyright (c) 2009-2010 The Chromium OS 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 // UsernamePasskey wraps a username/passkey pair that can be used to |
| 6 // authenticate a user. |
| 7 |
| 8 #ifndef CRYPTOHOME_USERNAME_PASSKEY_H_ |
| 9 #define CRYPTOHOME_USERNAME_PASSKEY_H_ |
| 10 |
| 11 #include "cryptohome/credentials.h" |
| 12 |
| 13 #include <string.h> |
| 14 |
| 15 #include "base/basictypes.h" |
| 16 |
| 17 namespace cryptohome { |
| 18 |
| 19 class UsernamePasskey : public Credentials { |
| 20 public: |
| 21 // Constructs UsernamePasskey from username strings and passkeys |
| 22 UsernamePasskey(const char *username, const int username_length, |
| 23 const char *passkey, const int passkey_length); |
| 24 UsernamePasskey(const char *username, const int username_length, |
| 25 const chromeos::Blob& passkey); |
| 26 UsernamePasskey(const char *username, const int username_length, |
| 27 const std::string& passkey); |
| 28 UsernamePasskey(const UsernamePasskey& rhs); |
| 29 |
| 30 ~UsernamePasskey(); |
| 31 |
| 32 UsernamePasskey& operator=(const UsernamePasskey& rhs); |
| 33 |
| 34 // Constructs UsernamePasskey from a username and password, converting the |
| 35 // password to a passkey using the given salt |
| 36 static UsernamePasskey FromUsernamePassword(const char* username, |
| 37 const char* password, |
| 38 const chromeos::Blob& salt); |
| 39 |
| 40 // Overridden from cryptohome::Credentials |
| 41 void GetFullUsername(char *name_buffer, int length) const; |
| 42 std::string GetFullUsername() const; |
| 43 void GetPartialUsername(char *name_buffer, int length) const; |
| 44 std::string GetObfuscatedUsername(const chromeos::Blob &system_salt) const; |
| 45 SecureBlob GetPasskey() const; |
| 46 |
| 47 private: |
| 48 static SecureBlob PasswordToPasskey(const char *password, |
| 49 const chromeos::Blob& salt); |
| 50 static void AsciiEncodeToBuffer(const unsigned char* source, |
| 51 int source_length, char* buffer, |
| 52 int buffer_length); |
| 53 |
| 54 std::string username_; |
| 55 SecureBlob passkey_; |
| 56 }; |
| 57 |
| 58 } // namespace cryptohome |
| 59 |
| 60 #endif // CRYPTOHOME_USERNAME_PASSKEY_H_ |
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