/*************************************************
* EAC SIGNED Object Header File                  *
* (C) 2007 FlexSecure GmbH                       *
*     2008 Jack Lloyd                            *
*************************************************/

#ifndef BOTAN_EAC_SIGNED_OBJECT_H__
#define BOTAN_EAC_SIGNED_OBJECT_H__

#include <botan/asn1_obj.h>
#include <botan/enums.h>
#include <botan/freestore.h>
#include <botan/pipe.h>
#include <vector>

namespace Botan {

/*************************************************
* EAC SIGNED Object                              *
*************************************************/
class BOTAN_DLL EAC_Signed_Object
   {
   public:
      virtual SecureVector<byte> tbs_data() const = 0;
      virtual SecureVector<byte> get_concat_sig() const = 0;  // NOTE: this is here
      // only because abstract
      // signature objects have
      // not yet been introduced
      /**
      * Get the signature algorithm identifier used to sign this object.
      * @result the signature algorithm identifier
      */
      AlgorithmIdentifier signature_algorithm() const;

      virtual bool check_signature(class Public_Key&) const = 0;
      virtual void encode(Pipe&, X509_Encoding = PEM) const = 0;
      SecureVector<byte> BER_encode() const;
      std::string PEM_encode() const;

      EAC_Signed_Object(SharedPtrConverter<DataSource>, const std::string&);
      EAC_Signed_Object(const std::string&, const std::string&);
      virtual ~EAC_Signed_Object() {}
   protected:
      void do_decode();
      EAC_Signed_Object() {}
      AlgorithmIdentifier sig_algo;
      SecureVector<byte> tbs_bits;
      std::string PEM_label_pref;
      std::vector<std::string> PEM_labels_allowed;
   private:

      virtual void force_decode() = 0;

   };

}

#endif