mirror of https://github.com/ARMmbed/mbed-os.git
89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
/*
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* Copyright (c) 2015-2016 ARM Limited. All Rights Reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __COAP_SECURITY_HANDLER_H__
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#define __COAP_SECURITY_HANDLER_H__
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#include <stddef.h>
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#include <inttypes.h>
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#include <stdbool.h>
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#include "mbedtls/ssl.h"
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#include "mbedtls/sha256.h"
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#include "mbedtls/entropy.h"
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#include "mbedtls/ctr_drbg.h"
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#define COOKIE_SIMPLE_LEN 8
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typedef struct simple_cookie {
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unsigned char value[COOKIE_SIMPLE_LEN];
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size_t len;
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} simple_cookie_t;
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#define KEY_BLOCK_LEN 40
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typedef struct key_block {
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unsigned char value[KEY_BLOCK_LEN];
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} key_block_t;
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typedef int send_cb(int8_t socket_id, uint8_t *address_ptr, uint16_t port, const unsigned char *, size_t);
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typedef int receive_cb(int8_t socket_id, unsigned char *, size_t);
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typedef void start_timer_cb(int8_t timer_id, uint32_t min, uint32_t fin);
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typedef int timer_status_cb(int8_t timer_id);
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typedef struct thread_security_s {
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mbedtls_ssl_config _conf;
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mbedtls_ssl_context _ssl;
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mbedtls_ctr_drbg_context _ctr_drbg;
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mbedtls_entropy_context _entropy;
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bool _is_started;
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simple_cookie_t _cookie;
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key_block_t _keyblk;
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uint8_t _remote_address[16];
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uint16_t _remote_port;
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uint8_t _pw[64];
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uint8_t _pw_len;
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int8_t _socket_id;
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int8_t _timer_id;
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send_cb *_send_cb;
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receive_cb *_receive_cb;
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start_timer_cb *_start_timer_cb;
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timer_status_cb *_timer_status_cb;
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} coap_security_t;
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coap_security_t *thread_security_create(int8_t socket_id, int8_t timer_id, uint8_t *address_ptr, uint16_t port,
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send_cb *send_cb,
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receive_cb *receive_cb,
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start_timer_cb *start_timer_cb,
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timer_status_cb *timer_status_cb);
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void thread_security_destroy(coap_security_t *sec);
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int coap_security_handler_connect(coap_security_t *sec, bool is_server, const unsigned char *pw, uint8_t len);
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int coap_security_handler_continue_connecting(coap_security_t *sec);
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int coap_security_handler_send_message(coap_security_t *sec, unsigned char *message, size_t len);
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int thread_security_send_close_alert(coap_security_t *sec);
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int coap_security_handler_read(coap_security_t *sec, unsigned char* buffer, size_t len);
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#endif
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