messenger_api_contact.h

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/*
   This file is part of GNUnet.
   Copyright (C) 2020--2025 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/>.
 
   SPDX-License-Identifier: AGPL3.0-or-later
 */
#ifndef GNUNET_MESSENGER_API_CONTACT_H
#define GNUNET_MESSENGER_API_CONTACT_H
 
#include "gnunet_common.h"
#include "gnunet_util_lib.h"
 
struct GNUNET_MESSENGER_Contact
{
  char *name;
  size_t rc;
  size_t id;
 
  struct GNUNET_CRYPTO_BlindablePublicKey public_key;
  struct GNUNET_CONTAINER_MultiHashMap *encryption_keys;
};
 
struct GNUNET_MESSENGER_Contact*
create_contact (const struct GNUNET_CRYPTO_BlindablePublicKey *key,
                size_t unique_id);
 
void
destroy_contact (struct GNUNET_MESSENGER_Contact *contact);
 
const char*
get_contact_name (const struct GNUNET_MESSENGER_Contact *contact);
 
void
set_contact_name (struct GNUNET_MESSENGER_Contact *contact,
                  const char *name);
 
const struct GNUNET_CRYPTO_BlindablePublicKey*
get_contact_key (const struct GNUNET_MESSENGER_Contact *contact);
 
const struct GNUNET_CRYPTO_HpkePublicKey*
get_contact_encryption_key (const struct GNUNET_MESSENGER_Contact *contact,
                            const struct GNUNET_HashCode *key);
 
void
set_contact_encryption_key (struct GNUNET_MESSENGER_Contact *contact,
                            const struct GNUNET_HashCode *key,
                            const struct GNUNET_CRYPTO_HpkePublicKey *
                            encryption_key);
 
void
increase_contact_rc (struct GNUNET_MESSENGER_Contact *contact);
 
enum GNUNET_GenericReturnValue
decrease_contact_rc (struct GNUNET_MESSENGER_Contact *contact);
 
size_t
get_contact_id (const struct GNUNET_MESSENGER_Contact *contact);
 
void
get_context_from_member (const struct GNUNET_HashCode *key,
                         const struct GNUNET_ShortHashCode *id,
                         struct GNUNET_HashCode *context);
 
#endif // GNUNET_MESSENGER_API_CONTACT_H