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/*
   This file is part of GNUnet.
   Copyright (C) 2012-2015 GNUnet e.V.

   GNUnet is free software: you can redistribute it and/or modify it
   under the terms of the GNU Affero General Public License as published
   by the Free Software Foundation, either version 3 of the License,
   or (at your option) any later version.

   GNUnet is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Affero General Public License for more details.
  
   You should have received a copy of the GNU Affero General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
/**
 * @author Martin Schanzenbach
 * @file src/zklaim/zklaim_functions.h
 * @brief zklaim functions
 *
 */


#ifndef GNUNET_ZKLAIM_FUNCTIONS_H
#define GNUNET_ZKLAIM_FUNCTIONS_H

#include "gnunet_zklaim_service.h"

/**
 * Handle for an ego.
 */
struct GNUNET_ZKLAIM_Context
{
  /**
   * ZKlaim context.
   */
  struct zklaim_ctx *ctx;

  /**
   * Current name associated with this context.
   */
  char *name;

  /**
   * Attributes associated with context
   */
  char *attrs;

};



int
ZKLAIM_context_sign (struct GNUNET_ZKLAIM_Context *ctx,
                     const struct GNUNET_CRYPTO_EcdsaPrivateKey *key);


void
ZKLAIM_context_attributes_iterate (const struct GNUNET_ZKLAIM_Context *ctx,
                                   GNUNET_ZKLAIM_PayloadIterator iter,
                                   void *iter_cls);


void
ZKLAIM_context_issue (struct GNUNET_ZKLAIM_Context *ctx,
                      const struct GNUNET_CRYPTO_EcdsaPrivateKey *key,
                      GNUNET_ZKLAIM_PayloadIterator iter,
                      void *iter_cls);
#endif