text: #ifndef SOCKETLITE_CRYPTO_AES_H
  #define SOCKETLITE_CRYPTO_AES_H
  #include "SL_Crypto_Cipher.h"
  
  #ifdef SOCKETLITE_USE_OPENSSL
  #include <openssl/dh.h>
  class SL_Crypto_DH
  {
  public:
      SL_Crypto_DH();
      virtual ~SL_Crypto_DH();
  };
  
  #else
  
  class SL_Crypto_DH
  {
  public:
      SL_Crypto_DH();
      virtual ~SL_Crypto_DH();
  };
  
  #endif
  
  #endif
  
  