modules/encryption/include/dpl/encryption/resource_encryption.h

   1 /*
   2  * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   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  * @file    resource_encryption.h
  18  * @author  Soyoung Kim (sy037.kim@samsung.com)
  19  * @version 1.0
  20  * @brief   Header file for resource encryption
  21  */
  22 #ifndef RESOURCE_ENCRYPTION_H
  23 #define RESOURCE_ENCRYPTION_H
  24
  25 #include <string.h>
  26 #include <string>
  27 #include <openssl/aes.h>
  28 #include <openssl/sha.h>
  29 #include <dpl/exception.h>
  30
  31 namespace WRTEncryptor{
  32
  33 class ResourceEncryptor
  34 {
  35   public:
  36       class Exception
  37       {
  38           public:
  39               DECLARE_EXCEPTION_TYPE(DPL::Exception, Base)
  40               DECLARE_EXCEPTION_TYPE(DPL::Exception, CreateEncKeyFailed)
  41               DECLARE_EXCEPTION_TYPE(DPL::Exception, CreateDecKeyFailed)
  42               DECLARE_EXCEPTION_TYPE(DPL::Exception, CreateEncKeyFileFailed)
  43               DECLARE_EXCEPTION_TYPE(DPL::Exception, CreateDecKeyFileFailed)
  44               DECLARE_EXCEPTION_TYPE(DPL::Exception, EncryptionFailed)
  45       };
  46
  47       ResourceEncryptor();
  48       virtual ~ResourceEncryptor();
  49
  50       int GetBlockSize(int inSize);
  51       void CreateEncryptionKey(std::string userKey);
  52       void EncryptChunk(unsigned char* inputBuf, unsigned char* encBuf, size_t
  53               chunkSize);
  54
  55   private:
  56       AES_KEY GetEncryptionkey();
  57       AES_KEY m_encKey;
  58 };
  59 } //namespace WRTEncryptor
  60
  61 #endif /* RESOURCE_DECRYPTION_H */