1 // 2 // Copyright (C) 2011 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef SHILL_CRYPTO_DES_CBC_H_ 18 #define SHILL_CRYPTO_DES_CBC_H_ 19 20 #include <string> 21 #include <vector> 22 23 #include <base/macros.h> 24 #include <gtest/gtest_prod.h> // for FRIEND_TEST 25 26 #include "shill/crypto_interface.h" 27 28 namespace base { 29 30 class FilePath; 31 32 } // namespace base 33 34 namespace shill { 35 36 // DES-CBC crypto module implementation. 37 class CryptoDESCBC : public CryptoInterface { 38 public: 39 static const char kID[]; 40 41 CryptoDESCBC(); 42 43 // Sets the DES key to the last |kBlockSize| bytes of |key_matter_path| and 44 // the DES initialization vector to the second to last |kBlockSize| bytes of 45 // |key_matter_path|. Returns true on success. 46 bool LoadKeyMatter(const base::FilePath& path); 47 48 // Inherited from CryptoInterface. 49 virtual std::string GetID(); 50 virtual bool Encrypt(const std::string& plaintext, std::string* ciphertext); 51 virtual bool Decrypt(const std::string& ciphertext, std::string* plaintext); 52 53 const std::vector<char>& key() const { return key_; } 54 const std::vector<char>& iv() const { return iv_; } 55 56 private: 57 FRIEND_TEST(CryptoDESCBCTest, Decrypt); 58 FRIEND_TEST(CryptoDESCBCTest, Encrypt); 59 60 static const unsigned int kBlockSize; 61 static const char kSentinel[]; 62 static const char kVersion2Prefix[]; 63 64 std::vector<char> key_; 65 std::vector<char> iv_; 66 67 DISALLOW_COPY_AND_ASSIGN(CryptoDESCBC); 68 }; 69 70 } // namespace shill 71 72 #endif // SHILL_CRYPTO_DES_CBC_H_ 73
