1 /*
2  * Copyright (c) 2021, Nordic Semiconductor ASA
3  * All rights reserved.
4  *
5  * SPDX-License-Identifier: BSD-3-Clause
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice, this
11  *    list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
18  *    contributors may be used to endorse or promote products derived from this
19  *    software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  *
33  */
34 
35 #ifndef NRF_802154_SECURITY_PIB_H__
36 #define NRF_802154_SECURITY_PIB_H__
37 
38 #include "nrf_802154_types.h"
39 
40 /**
41  * @brief Initialises the Key Storage inside the nRF 802.15.4 Radio Driver.
42  *
43  * @return NRF_802154_SECURITY_ERROR_NONE if no error, otherwise the corresponding
44  *         error code.
45  */
46 nrf_802154_security_error_t nrf_802154_security_pib_init(void);
47 
48 /**
49  * @brief Deinitialises the Key Storage inside the nRF 802.15.4 Radio Driver.
50  *
51  * @return NRF_802154_SECURITY_ERROR_NONE if no error, otherwise the corresponding
52  *         error code.
53  */
54 nrf_802154_security_error_t nrf_802154_security_pib_deinit(void);
55 
56 /**
57  * @brief Stores the 802.15.4 MAC Security Key inside the nRF 802.15.4 Radio Driver.
58  *
59  * @param[in] p_key Pointer to the key to store. Refer to @ref nrf_802154_key_t for details.
60  *                  Storing the key copies the content of the key into the Radio Driver.
61  *                  This input parameter can be destroyed after the call.
62  *
63  * @note This function is not reentrant and must be called from thread context only.
64  *
65  * @retval NRF_802154_SECURITY_ERROR_NONE               Storing of key is successful.
66  * @retval NRF_802154_SECURITY_ERROR_TYPE_NOT_SUPPORTED Type of the key is not supported.
67  * @retval NRF_802154_SECURITY_ERROR_MODE_NOT_SUPPORTED ID mode of the key is not supported.
68  * @retval NRF_802154_SECURITY_ERROR_ALREADY_PRESENT    Failed to store the key - key of such id is already
69  *                                                      present. Remove the key first to overwrite.
70  * @retval NRF_802154_SECURITY_ERROR_STORAGE_FULL       Failed to store the key - storage full.
71  */
72 nrf_802154_security_error_t nrf_802154_security_pib_key_store(nrf_802154_key_t * p_key);
73 
74 /**
75  * @brief Removes the 802.15.4 MAC Security Key from the nRF 802.15.4 Radio Driver.
76  *
77  * @param[in] p_id Pointer to the ID of the key to remove.
78  *
79  * @note This function is not reentrant and must be called from thread context only.
80  *
81  * @retval NRF_802154_SECURITY_ERROR_NONE          Removal of key is successful.
82  * @retval NRF_802154_SECURITY_ERROR_KEY_NOT_FOUND Failed to remove the key - no such key found.
83  */
84 nrf_802154_security_error_t nrf_802154_security_pib_key_remove(nrf_802154_key_id_t * p_id);
85 
86 /**
87  * @brief Removes all stored 802.15.4 MAC Security Keys from the nRF 802.15.4 Radio Driver.
88  *
89  * @note This function is not reentrant and must be called from thread context only.
90  */
91 void nrf_802154_security_pib_key_remove_all(void);
92 
93 /**
94  * @brief Uses the 802.15.4 MAC Security Key stored previously in the nRF 802.15.4 Radio Driver.
95  *
96  * @param[in]  p_id        Pointer to the ID of the key to use.
97  * @param[out] destination Destination where the key must be copied. In case of
98  *                         hardware accelerated solutions this parameter is ignored.
99  *
100  * @retval NRF_802154_SECURITY_ERROR_NONE          Usage of key is successful.
101  * @retval NRF_802154_SECURITY_ERROR_KEY_NOT_FOUND Failed to use the key - no such key found.
102  */
103 nrf_802154_security_error_t nrf_802154_security_pib_key_use(nrf_802154_key_id_t * p_id,
104                                                             void                * destination);
105 
106 /**
107  * @brief Sets nRF 802.15.4 Radio Driver MAC Global Frame Counter.
108  *
109  * @param[in] frame_counter Frame counter to set.
110  */
111 void nrf_802154_security_pib_global_frame_counter_set(uint32_t frame_counter);
112 
113 /**
114  * @brief Sets nRF 802.15.4 Radio Driver MAC Global Frame Counter if the value passed is larger than current.
115  *
116  * @param[in] frame_counter Frame counter to set.
117  */
118 void nrf_802154_security_pib_global_frame_counter_set_if_larger(uint32_t frame_counter);
119 
120 /**
121  * @brief Get the next 802.15.4 global frame counter.
122  *
123  * @param[out] p_frame_counter Pointer to the frame counter to populate.
124  * @param[in]  p_id            Pointer to the ID of the key to get the frame counter for.
125  *
126  * @retval NRF_802154_SECURITY_ERROR_NONE                   The p_frame_counter field was
127  *                                                          successfully populated.
128  * @retval NRF_802154_SECURITY_ERROR_FRAME_COUNTER_OVERFLOW No more available frame counters,
129  *                                                          they must be reset.
130  * @retval NRF_802154_SECURITY_ERROR_KEY_NOT_FOUND          The associated key was not found.
131  */
132 nrf_802154_security_error_t nrf_802154_security_pib_frame_counter_get_next(
133     uint32_t            * p_frame_counter,
134     nrf_802154_key_id_t * p_id);
135 
136 #endif // NRF_802154_SECURITY_PIB_H__
137