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 extern char** calculate(char*pappId, int idLen, int keyLen);
  32
  33 namespace WRTEncryptor{
  34 class ResourceEncryptor
  35 {
  36   public:
  37       class Exception
  38       {
  39           public:
  40               DECLARE_EXCEPTION_TYPE(DPL::Exception, Base)
  41               DECLARE_EXCEPTION_TYPE(DPL::Exception, CreateEncKeyFailed)
  42               DECLARE_EXCEPTION_TYPE(DPL::Exception, CreateDecKeyFailed)
  43               DECLARE_EXCEPTION_TYPE(DPL::Exception, CreateEncKeyFileFailed)
  44               DECLARE_EXCEPTION_TYPE(DPL::Exception, CreateDecKeyFileFailed)
  45               DECLARE_EXCEPTION_TYPE(DPL::Exception, EncryptionFailed)
  46       };
  47
  48       ResourceEncryptor();
  49       virtual ~ResourceEncryptor();
  50
  51       int GetBlockSize(int inSize);
  52       void CreateEncryptionKey(std::string userKey);
  53       void EncryptChunk(unsigned char* inputBuf, unsigned char* encBuf, size_t
  54               chunkSize);
  55
  56   private:
  57       AES_KEY GetEncryptionkey();
  58       AES_KEY m_encKey;
  59 };
  60 } //namespace WRTEncryptor
  61
  62 #endif /* RESOURCE_DECRYPTION_H */