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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 #include "chrome/browser/password_manager/encryptor.h" | 5 #include "chrome/browser/password_manager/encryptor.h" |
| 6 | 6 |
| 7 #include <windows.h> | 7 #include <windows.h> |
| 8 #include <wincrypt.h> | 8 #include <wincrypt.h> |
| 9 #include "base/string_util.h" | 9 #include "base/string_util.h" |
| 10 | 10 |
| 11 #pragma comment(lib, "crypt32.lib") | 11 #pragma comment(lib, "crypt32.lib") |
| 12 | 12 |
| 13 bool Encryptor::EncryptWideString(const std::wstring& plaintext, | 13 bool Encryptor::EncryptString16(const string16& plaintext, |
| 14 std::string* ciphertext) { | 14 std::string* ciphertext) { |
| 15 return EncryptString(WideToUTF8(plaintext), ciphertext); | 15 return EncryptString(UTF16ToUTF8(plaintext), ciphertext); |
| 16 } | 16 } |
| 17 | 17 |
| 18 bool Encryptor::DecryptWideString(const std::string& ciphertext, | 18 bool Encryptor::DecryptString16(const std::string& ciphertext, |
| 19 std::wstring* plaintext){ | 19 string16* plaintext) { |
| 20 std::string utf8; | 20 std::string utf8; |
| 21 if (!DecryptString(ciphertext, &utf8)) | 21 if (!DecryptString(ciphertext, &utf8)) |
| 22 return false; | 22 return false; |
| 23 | 23 |
| 24 *plaintext = UTF8ToWide(utf8); | 24 *plaintext = UTF8ToUTF16(utf8); |
| 25 return true; | 25 return true; |
| 26 } | 26 } |
| 27 | 27 |
| 28 bool Encryptor::EncryptString(const std::string& plaintext, | 28 bool Encryptor::EncryptString(const std::string& plaintext, |
| 29 std::string* ciphertext) { | 29 std::string* ciphertext) { |
| 30 DATA_BLOB input; | 30 DATA_BLOB input; |
| 31 input.pbData = const_cast<BYTE*>( | 31 input.pbData = const_cast<BYTE*>( |
| 32 reinterpret_cast<const BYTE*>(plaintext.data())); | 32 reinterpret_cast<const BYTE*>(plaintext.data())); |
| 33 input.cbData = static_cast<DWORD>(plaintext.length()); | 33 input.cbData = static_cast<DWORD>(plaintext.length()); |
| 34 | 34 |
| 35 DATA_BLOB output; | 35 DATA_BLOB output; |
| 36 BOOL result = CryptProtectData(&input, L"", NULL, NULL, NULL, | 36 BOOL result = CryptProtectData(&input, L"", NULL, NULL, NULL, |
| 37 0, &output); | 37 0, &output); |
| 38 if (!result) | 38 if (!result) |
| 39 return false; | 39 return false; |
| 40 | 40 |
| 41 // this does a copy | 41 // this does a copy |
| 42 ciphertext->assign(reinterpret_cast<std::string::value_type*>(output.pbData), | 42 ciphertext->assign(reinterpret_cast<std::string::value_type*>(output.pbData), |
| 43 output.cbData); | 43 output.cbData); |
| 44 | 44 |
| 45 LocalFree(output.pbData); | 45 LocalFree(output.pbData); |
| 46 return true; | 46 return true; |
| 47 } | 47 } |
| 48 | 48 |
| 49 bool Encryptor::DecryptString(const std::string& ciphertext, | 49 bool Encryptor::DecryptString(const std::string& ciphertext, |
| 50 std::string* plaintext){ | 50 std::string* plaintext) { |
| 51 DATA_BLOB input; | 51 DATA_BLOB input; |
| 52 input.pbData = const_cast<BYTE*>( | 52 input.pbData = const_cast<BYTE*>( |
| 53 reinterpret_cast<const BYTE*>(ciphertext.data())); | 53 reinterpret_cast<const BYTE*>(ciphertext.data())); |
| 54 input.cbData = static_cast<DWORD>(ciphertext.length()); | 54 input.cbData = static_cast<DWORD>(ciphertext.length()); |
| 55 | 55 |
| 56 DATA_BLOB output; | 56 DATA_BLOB output; |
| 57 BOOL result = CryptUnprotectData(&input, NULL, NULL, NULL, NULL, | 57 BOOL result = CryptUnprotectData(&input, NULL, NULL, NULL, NULL, |
| 58 0, &output); | 58 0, &output); |
| 59 if(!result) | 59 if (!result) |
| 60 return false; | 60 return false; |
| 61 | 61 |
| 62 plaintext->assign(reinterpret_cast<char*>(output.pbData), output.cbData); | 62 plaintext->assign(reinterpret_cast<char*>(output.pbData), output.cbData); |
| 63 LocalFree(output.pbData); | 63 LocalFree(output.pbData); |
| 64 return true; | 64 return true; |
| 65 } | 65 } |
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