/*
* User Interface
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/

#ifndef BOTAN_UI_H__
#define BOTAN_UI_H__

#include <botan/build.h>
#include <string>

namespace Botan {

/**
* User Interface
* Only really used for callbacks for PKCS #8 decryption
*/
class BOTAN_DLL User_Interface
   {
   public:
      enum UI_Result { OK, CANCEL_ACTION };

      virtual std::string get_passphrase(const std::string&,
                                         const std::string&,
                                         UI_Result&) const;
      User_Interface(const std::string& = "");
      virtual ~User_Interface() {}
   protected:
      std::string preset_passphrase;
      mutable bool first_try;
   };

}

#endif