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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 #include "components/os_crypt/ie7_password_win.h" | 5 #include "components/os_crypt/ie7_password_win.h" |
6 | 6 |
7 #include <wincrypt.h> | 7 #include <wincrypt.h> |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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82 c.username = reinterpret_cast<const wchar_t*>(offset_to_data + | 82 c.username = reinterpret_cast<const wchar_t*>(offset_to_data + |
83 user_entry->offset); | 83 user_entry->offset); |
84 c.password = reinterpret_cast<const wchar_t*>(offset_to_data + | 84 c.password = reinterpret_cast<const wchar_t*>(offset_to_data + |
85 pass_entry->offset); | 85 pass_entry->offset); |
86 credentials->push_back(c); | 86 credentials->push_back(c); |
87 } | 87 } |
88 return true; | 88 return true; |
89 } | 89 } |
90 | 90 |
91 std::wstring GetUrlHash(const std::wstring& url) { | 91 std::wstring GetUrlHash(const std::wstring& url) { |
92 std::wstring lower_case_url = StringToLowerASCII(url); | 92 std::wstring lower_case_url = base::StringToLowerASCII(url); |
93 // Get a data buffer out of our std::wstring to pass to SHA1HashString. | 93 // Get a data buffer out of our std::wstring to pass to SHA1HashString. |
94 std::string url_buffer( | 94 std::string url_buffer( |
95 reinterpret_cast<const char*>(lower_case_url.c_str()), | 95 reinterpret_cast<const char*>(lower_case_url.c_str()), |
96 (lower_case_url.size() + 1) * sizeof(wchar_t)); | 96 (lower_case_url.size() + 1) * sizeof(wchar_t)); |
97 std::string hash_bin = base::SHA1HashString(url_buffer); | 97 std::string hash_bin = base::SHA1HashString(url_buffer); |
98 | 98 |
99 std::wstring url_hash; | 99 std::wstring url_hash; |
100 | 100 |
101 // Transform the buffer to an hexadecimal string. | 101 // Transform the buffer to an hexadecimal string. |
102 unsigned char checksum = 0; | 102 unsigned char checksum = 0; |
103 for (size_t i = 0; i < hash_bin.size(); ++i) { | 103 for (size_t i = 0; i < hash_bin.size(); ++i) { |
104 // std::string gives signed chars, which mess with StringPrintf and | 104 // std::string gives signed chars, which mess with StringPrintf and |
105 // check_sum. | 105 // check_sum. |
106 unsigned char hash_byte = static_cast<unsigned char>(hash_bin[i]); | 106 unsigned char hash_byte = static_cast<unsigned char>(hash_bin[i]); |
107 checksum += hash_byte; | 107 checksum += hash_byte; |
108 url_hash += base::StringPrintf(L"%2.2X", static_cast<unsigned>(hash_byte)); | 108 url_hash += base::StringPrintf(L"%2.2X", static_cast<unsigned>(hash_byte)); |
109 } | 109 } |
110 url_hash += base::StringPrintf(L"%2.2X", checksum); | 110 url_hash += base::StringPrintf(L"%2.2X", checksum); |
111 | 111 |
112 return url_hash; | 112 return url_hash; |
113 } | 113 } |
114 | 114 |
115 bool DecryptPasswords(const std::wstring& url, | 115 bool DecryptPasswords(const std::wstring& url, |
116 const std::vector<unsigned char>& data, | 116 const std::vector<unsigned char>& data, |
117 std::vector<DecryptedCredentials>* credentials) { | 117 std::vector<DecryptedCredentials>* credentials) { |
118 std::wstring lower_case_url = StringToLowerASCII(url); | 118 std::wstring lower_case_url = base::StringToLowerASCII(url); |
119 DATA_BLOB input = {0}; | 119 DATA_BLOB input = {0}; |
120 DATA_BLOB output = {0}; | 120 DATA_BLOB output = {0}; |
121 DATA_BLOB url_key = {0}; | 121 DATA_BLOB url_key = {0}; |
122 | 122 |
123 input.pbData = const_cast<unsigned char*>(&data.front()); | 123 input.pbData = const_cast<unsigned char*>(&data.front()); |
124 input.cbData = static_cast<DWORD>((data.size()) * | 124 input.cbData = static_cast<DWORD>((data.size()) * |
125 sizeof(std::string::value_type)); | 125 sizeof(std::string::value_type)); |
126 | 126 |
127 url_key.pbData = reinterpret_cast<unsigned char*>( | 127 url_key.pbData = reinterpret_cast<unsigned char*>( |
128 const_cast<wchar_t*>(lower_case_url.data())); | 128 const_cast<wchar_t*>(lower_case_url.data())); |
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139 GetUserPassFromData(decrypted_data, credentials); | 139 GetUserPassFromData(decrypted_data, credentials); |
140 | 140 |
141 LocalFree(output.pbData); | 141 LocalFree(output.pbData); |
142 return true; | 142 return true; |
143 } | 143 } |
144 | 144 |
145 return false; | 145 return false; |
146 } | 146 } |
147 | 147 |
148 } // namespace ie7_password | 148 } // namespace ie7_password |
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