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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 "chrome/browser/chromeos/login/supervised/supervised_user_authenticatio
n.h" | 5 #include "chrome/browser/chromeos/login/supervised/supervised_user_authenticatio
n.h" |
6 | 6 |
7 #include "base/base64.h" | 7 #include "base/base64.h" |
8 #include "base/json/json_file_value_serializer.h" | 8 #include "base/json/json_file_value_serializer.h" |
9 #include "base/macros.h" | 9 #include "base/macros.h" |
10 #include "base/metrics/histogram.h" | 10 #include "base/metrics/histogram.h" |
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33 // Size of key signature. | 33 // Size of key signature. |
34 const unsigned kHMACKeySizeInBits = 256; | 34 const unsigned kHMACKeySizeInBits = 256; |
35 const int kSignatureLength = 32; | 35 const int kSignatureLength = 32; |
36 | 36 |
37 // Size of master key (in bytes). | 37 // Size of master key (in bytes). |
38 const int kMasterKeySize = 32; | 38 const int kMasterKeySize = 32; |
39 | 39 |
40 std::string CreateSalt() { | 40 std::string CreateSalt() { |
41 char result[kSaltSize]; | 41 char result[kSaltSize]; |
42 crypto::RandBytes(&result, sizeof(result)); | 42 crypto::RandBytes(&result, sizeof(result)); |
43 return base::StringToLowerASCII(base::HexEncode( | 43 return base::ToLowerASCII( |
44 reinterpret_cast<const void*>(result), | 44 base::HexEncode(reinterpret_cast<const void*>(result), sizeof(result))); |
45 sizeof(result))); | |
46 } | 45 } |
47 | 46 |
48 std::string BuildRawHMACKey() { | 47 std::string BuildRawHMACKey() { |
49 scoped_ptr<crypto::SymmetricKey> key(crypto::SymmetricKey::GenerateRandomKey( | 48 scoped_ptr<crypto::SymmetricKey> key(crypto::SymmetricKey::GenerateRandomKey( |
50 crypto::SymmetricKey::AES, kHMACKeySizeInBits)); | 49 crypto::SymmetricKey::AES, kHMACKeySizeInBits)); |
51 std::string raw_result, result; | 50 std::string raw_result, result; |
52 key->GetRawKey(&raw_result); | 51 key->GetRawKey(&raw_result); |
53 base::Base64Encode(raw_result, &result); | 52 base::Base64Encode(raw_result, &result); |
54 return result; | 53 return result; |
55 } | 54 } |
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157 base64_signature_key); | 156 base64_signature_key); |
158 return true; | 157 return true; |
159 } | 158 } |
160 NOTREACHED(); | 159 NOTREACHED(); |
161 return false; | 160 return false; |
162 } | 161 } |
163 | 162 |
164 std::string SupervisedUserAuthentication::GenerateMasterKey() { | 163 std::string SupervisedUserAuthentication::GenerateMasterKey() { |
165 char master_key_bytes[kMasterKeySize]; | 164 char master_key_bytes[kMasterKeySize]; |
166 crypto::RandBytes(&master_key_bytes, sizeof(master_key_bytes)); | 165 crypto::RandBytes(&master_key_bytes, sizeof(master_key_bytes)); |
167 return base::StringToLowerASCII( | 166 return base::ToLowerASCII( |
168 base::HexEncode(reinterpret_cast<const void*>(master_key_bytes), | 167 base::HexEncode(reinterpret_cast<const void*>(master_key_bytes), |
169 sizeof(master_key_bytes))); | 168 sizeof(master_key_bytes))); |
170 } | 169 } |
171 | 170 |
172 void SupervisedUserAuthentication::StorePasswordData( | 171 void SupervisedUserAuthentication::StorePasswordData( |
173 const std::string& user_id, | 172 const std::string& user_id, |
174 const base::DictionaryValue& password_data) { | 173 const base::DictionaryValue& password_data) { |
175 base::DictionaryValue holder; | 174 base::DictionaryValue holder; |
176 owner_->GetPasswordInformation(user_id, &holder); | 175 owner_->GetPasswordInformation(user_id, &holder); |
177 const base::Value* value; | 176 const base::Value* value; |
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317 LOG(FATAL) << "HMAC::Sign failed"; | 316 LOG(FATAL) << "HMAC::Sign failed"; |
318 | 317 |
319 std::string raw_result(out_bytes, out_bytes + sizeof(out_bytes)); | 318 std::string raw_result(out_bytes, out_bytes + sizeof(out_bytes)); |
320 | 319 |
321 std::string result; | 320 std::string result; |
322 base::Base64Encode(raw_result, &result); | 321 base::Base64Encode(raw_result, &result); |
323 return result; | 322 return result; |
324 } | 323 } |
325 | 324 |
326 } // namespace chromeos | 325 } // namespace chromeos |
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