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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_OS_CRYPT_OS_CRYPT_H_ | 5 #ifndef COMPONENTS_OS_CRYPT_OS_CRYPT_H_ |
6 #define COMPONENTS_OS_CRYPT_OS_CRYPT_H_ | 6 #define COMPONENTS_OS_CRYPT_OS_CRYPT_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 #include "base/strings/string16.h" | 11 #include "base/strings/string16.h" |
12 #include "build/build_config.h" | 12 #include "build/build_config.h" |
13 | 13 |
| 14 #if defined(USE_LIBSECRET) |
| 15 #include "components/os_crypt/key_storage_linux.h" |
| 16 #endif |
| 17 |
14 // The OSCrypt class gives access to simple encryption and decryption of | 18 // The OSCrypt class gives access to simple encryption and decryption of |
15 // strings. Note that on Mac, access to the system Keychain is required and | 19 // strings. Note that on Mac, access to the system Keychain is required and |
16 // these calls can block the current thread to collect user input. | 20 // these calls can block the current thread to collect user input. The same is |
| 21 // true for Linux, if a password management tool is available. |
17 class OSCrypt { | 22 class OSCrypt { |
18 public: | 23 public: |
19 // Encrypt a string16. The output (second argument) is really an array of | 24 // Encrypt a string16. The output (second argument) is really an array of |
20 // bytes, but we're passing it back as a std::string. | 25 // bytes, but we're passing it back as a std::string. |
21 static bool EncryptString16(const base::string16& plaintext, | 26 static bool EncryptString16(const base::string16& plaintext, |
22 std::string* ciphertext); | 27 std::string* ciphertext); |
23 | 28 |
24 // Decrypt an array of bytes obtained with EncryptString16 back into a | 29 // Decrypt an array of bytes obtained with EncryptString16 back into a |
25 // string16. Note that the input (first argument) is a std::string, so you | 30 // string16. Note that the input (first argument) is a std::string, so you |
26 // need to first get your (binary) data into a string. | 31 // need to first get your (binary) data into a string. |
(...skipping 13 matching lines...) Expand all Loading... |
40 #if defined(OS_MACOSX) | 45 #if defined(OS_MACOSX) |
41 // For unit testing purposes we instruct the Encryptor to use a mock Keychain | 46 // For unit testing purposes we instruct the Encryptor to use a mock Keychain |
42 // on the Mac. The default is to use the real Keychain. | 47 // on the Mac. The default is to use the real Keychain. |
43 static void UseMockKeychain(bool use_mock); | 48 static void UseMockKeychain(bool use_mock); |
44 #endif | 49 #endif |
45 | 50 |
46 private: | 51 private: |
47 DISALLOW_IMPLICIT_CONSTRUCTORS(OSCrypt); | 52 DISALLOW_IMPLICIT_CONSTRUCTORS(OSCrypt); |
48 }; | 53 }; |
49 | 54 |
| 55 #if defined(USE_LIBSECRET) && defined(UNIT_TEST) |
| 56 // For unit testing purposes, inject methods to be used. |
| 57 // |get_key_storage_mock| provides the desired |KeyStorage| implementation. |
| 58 // If the provider returns |nullptr|, a hardcoded password will be used. |
| 59 // |get_password_v11_mock| provides a password to derive the encryption key from |
| 60 // If both parameters are |nullptr|, the real implementation is restored. |
| 61 void UseMockKeyStorageForTesting(KeyStorageLinux* (*get_key_storage_mock)(), |
| 62 std::string* (*get_password_v11_mock)()); |
| 63 #endif // defined(USE_LIBSECRET) && defined(UNIT_TEST) |
| 64 |
50 #endif // COMPONENTS_OS_CRYPT_OS_CRYPT_H_ | 65 #endif // COMPONENTS_OS_CRYPT_OS_CRYPT_H_ |
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