nes-proj/os/net/app-layer/coap/coap-keystore.h

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/*
* Copyright (c) 2017, RISE SICS
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
*/
/**
* \file
* API for CoAP keystore
* \author
* Niclas Finne <nfi@sics.se>
* Joakim Eriksson <joakime@sics.se>
*/
/**
* \addtogroup coap
* @{
*
* \defgroup coap-keystore CoAP keystore API
* @{
*
* The CoAP keystore API defines a common interface for retrieving
* authorization information for CoAP/DTLS.
*/
#ifndef COAP_KEYSTORE_H_
#define COAP_KEYSTORE_H_
#include "coap-endpoint.h"
/**
* The structure of a CoAP pre-shared key info.
*/
typedef struct {
const uint8_t *identity_hint;
uint16_t identity_hint_len;
const uint8_t *identity;
uint16_t identity_len;
const uint8_t *key;
uint16_t key_len;
} coap_keystore_psk_entry_t;
/**
* The structure of a CoAP keystore.
*
* The keystore implementation provides a function callback for each type of
* authorization supported. The API currently only specifies a function
* callback for pre-shared keys.
*/
typedef struct {
int (* coap_get_psk_info)(const coap_endpoint_t *address_info,
coap_keystore_psk_entry_t *info);
} coap_keystore_t;
/**
* \brief Set the CoAP keystore to use by CoAP.
* \param keystore A pointer to a CoAP keystore.
*/
void coap_set_keystore(const coap_keystore_t *keystore);
#endif /* COAP_KEYSTORE_H_ */
/** @} */
/** @} */