creds.h

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/*
 * Copyright (C) 2021 HAW Hamburg
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once

 
#include "net/sock/udp.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#ifndef CONFIG_DTLS_PSK_ID_HINT_MAX_SIZE
#define CONFIG_DTLS_PSK_ID_HINT_MAX_SIZE    32
#endif

#ifndef CONFIG_DTLS_CREDENTIALS_MAX
#define CONFIG_DTLS_CREDENTIALS_MAX     4
#endif

typedef credman_tag_t (*sock_dtls_client_psk_cb_t)(sock_dtls_t *sock, sock_udp_ep_t *ep,
                                                   credman_tag_t tags[], unsigned tags_len,
                                                   const char* hint, size_t hint_len);

typedef credman_tag_t (*sock_dtls_rpk_cb_t)(sock_dtls_t *sock, sock_udp_ep_t *ep,
                                            credman_tag_t tags[], unsigned tags_len);

int sock_dtls_set_server_psk_id_hint(sock_dtls_t *sock, const char *hint);

int sock_dtls_add_credential(sock_dtls_t *sock, credman_tag_t tag);

int sock_dtls_remove_credential(sock_dtls_t *sock, credman_tag_t tag);

size_t sock_dtls_get_credentials(sock_dtls_t *sock, const credman_tag_t **out);

void sock_dtls_set_client_psk_cb(sock_dtls_t *sock, sock_dtls_client_psk_cb_t cb);

void sock_dtls_set_rpk_cb(sock_dtls_t *sock, sock_dtls_rpk_cb_t cb);
 
#ifdef __cplusplus
}
#endif