Diff: TARGET_TY51822R3/TOOLCHAIN_IAR/security_manager.h

Revision:

171:3a7713b1edbc

Parent:

169:a7c7b631e539

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_TY51822R3/TOOLCHAIN_IAR/security_manager.h	Thu Nov 08 11:45:42 2018 +0000
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+/* 
+ * Copyright (c) 2015 Nordic Semiconductor ASA
+ * 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, except as embedded into a Nordic Semiconductor ASA 
+ *      integrated circuit in a product or a software update for such product, 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. Neither the name of Nordic Semiconductor ASA nor the names of its contributors may be 
+ *      used to endorse or promote products derived from this software without specific prior 
+ *      written permission.
+ *
+ *   4. This software, with or without modification, must only be used with a 
+ *      Nordic Semiconductor ASA integrated circuit.
+ *
+ *   5. Any software provided in binary or object form under this license must not be reverse 
+ *      engineered, decompiled, modified and/or disassembled. 
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
+ * 
+ */
+
+
+
+#ifndef SECURITY_MANAGER_H__
+#define SECURITY_MANAGER_H__
+
+#include <stdint.h>
+#include "sdk_errors.h"
+#include "nrf_ble.h"
+#include "nrf_ble_gap.h"
+#include "peer_manager_types.h"
+#include "security_dispatcher.h"
+
+
+/**
+ * @cond NO_DOXYGEN
+ * @defgroup security_manager Security Manager
+ * @ingroup peer_manager
+ * @{
+ * @brief An internal module of @ref peer_manager. A module for streamlining pairing, bonding, and
+ *        encryption, including flash storage of shared data.
+ */
+
+
+/**@brief Events that can come from the Security Manager module.
+ */
+typedef enum
+{
+    // SM_EVT_PARAMS_REQ             = SMD_EVT_PARAMS_REQ,             /**< Parameters are required for a pairing procedure on the specified connection. The user must provide them using @ref sm_sec_params_set or @ref sm_sec_params_reply (only this procedure, currently unimplemented). */
+    SM_EVT_SLAVE_SECURITY_REQ     = SMD_EVT_SLAVE_SECURITY_REQ,     /**< The peer (peripheral) has requested link encryption, which has been enabled. */
+    SM_EVT_SEC_PROCEDURE_START    = SMD_EVT_SEC_PROCEDURE_START,    /**< A security procedure has started. */
+    SM_EVT_PAIRING_SUCCESS        = SMD_EVT_PAIRING_SUCCESS,        /**< A pairing procedure (and bonding if applicable) has completed with success. */
+    SM_EVT_PAIRING_FAIL           = SMD_EVT_PAIRING_FAIL,           /**< A pairing procedure has failed which means no encryption and no bond could be established. */
+    SM_EVT_LINK_ENCRYPTION_UPDATE = SMD_EVT_LINK_ENCRYPTION_UPDATE, /**< The security level of the link has been updated. The link is encrypted. */
+    SM_EVT_LINK_ENCRYPTION_FAILED = SMD_EVT_LINK_ENCRYPTION_FAILED, /**< An attempt to start encryption on an unencrypted link failed because the peripheral did not have the correct keys. If the peer is the peripheral, the force_repairing flag should be set when reattempting @ref sm_link_secure. */
+    SM_EVT_BONDING_INFO_STORED    = SMD_EVT_BONDING_INFO_STORED,    /**< Information exchanged during bonding with a peer has been stored persistently. */
+    SM_EVT_ERROR_BONDING_INFO     = SMD_EVT_ERROR_BONDING_INFO,     /**< Information exchanged during bonding with a peer could not be stored persistently, because of an unexpected error. */
+    SM_EVT_ERROR_UNEXPECTED       = SMD_EVT_ERROR_UNEXPECTED,       /**< An operation failed with an unexpected error. The error is provided. This is possibly a fatal error. */
+    SM_EVT_ERROR_NO_MEM           /*= SMD_EVT_ERROR_NO_MEM*/,       /**< An operation failed because there was no available storage room in persistent storage. Please free up room and the operation will automatically continue after the next compression. */
+    SM_EVT_ERROR_SMP_TIMEOUT,                                       /**< An operation failed because there has been an SMP timeout on the link, which entails that no more security operations can be performed on it. */
+    SM_EVT_CONN_SEC_CONFIG_REQ,                                     /**< The peer (central) has requested pairing, but a bond already exists with that peer. Reply by calling @ref sm_conn_sec_config_reply before the event handler returns. If no reply is sent, a default is used. */
+} sm_evt_id_t;
+
+
+typedef struct
+{
+    sm_evt_id_t      evt_id;
+    uint16_t         conn_handle;
+    smd_evt_params_t params;
+} sm_evt_t;
+
+
+
+/**@brief Event handler for events from the Security Manager module.
+ *
+ * @param[in]  event        The event that has happened.
+ * @param[in]  conn_handle  The connection handle the event pertains to.
+ */
+typedef void (*sm_evt_handler_t)(sm_evt_t const * p_event);
+
+
+/**@brief Function for registering with the Security Manager module. This function also
+ *        initializes the module if uninitialized.
+ *
+ * @param[in]  evt_handler  Callback for events from the Security Manager module.
+ *
+ * @retval NRF_SUCCESS        Registration was successful.
+ * @retval NRF_ERROR_NO_MEM   No more registrations possible.
+ * @retval NRF_ERROR_NULL     evt_handler was NULL.
+ * @retval NRF_ERROR_INTERNAL An unexpected error occurred.
+ */
+ret_code_t sm_register(sm_evt_handler_t evt_handler);
+
+
+/**@brief Function for dispatching SoftDevice events to the Security Manager module.
+ *
+ * @param[in]  ble_evt    The SoftDevice event.
+ */
+void sm_ble_evt_handler(ble_evt_t * ble_evt);
+
+
+/**@brief Function for providing pairing and bonding parameters to use for pairing procedures.
+ *
+ * @details Until this is called, all bonding procedures initiated by the peer will be rejected.
+ *          This function can be called multiple times, even with NULL p_sec_params, in which case
+ *          it will go back to rejecting all procedures.
+ *
+ * @param[in]  p_sec_params  The security parameters to use for this link. Can be NULL to reject
+ *                           all pairing procedures.
+ *
+ * @retval NRF_SUCCESS                    Success.
+ * @retval NRF_ERROR_INVALID_PARAM        Invalid combination of parameters.
+ * @retval NRF_ERROR_INVALID_STATE        Module is not initialized.
+ */
+ret_code_t sm_sec_params_set(ble_gap_sec_params_t * p_sec_params);
+
+
+/**@brief Function for providing security configuration for a link.
+ *
+ * @details This function is optional, and must be called in reply to a @ref
+ *          SM_EVT_CONN_SEC_CONFIG_REQ event, before the Peer Manager event handler returns. If it
+ *          is not called in time, a default configuration is used. See @ref pm_conn_sec_config_t
+ *          for the value of the default.
+ *
+ * @param[in]  conn_handle        The connection to set the configuration for.
+ * @param[in]  p_conn_sec_config  The configuration.
+ */
+void sm_conn_sec_config_reply(uint16_t conn_handle, pm_conn_sec_config_t * p_conn_sec_config);
+
+
+/**@brief Experimental function for specifying the public key to use for LESC operations.
+ *
+ * @details This function can be called multiple times. The specified public key will be used for
+ *          all subsequent LESC (LE Secure Connections) operations until the next time this function
+ *          is called.
+ *
+ * @note The key must continue to reside in application memory as it is not copied by Peer Manager.
+ *
+ * @param[in]  p_public_key  The public key to use for all subsequent LESC operations.
+ *
+ * @retval NRF_SUCCESS                    Pairing initiated successfully.
+ * @retval NRF_ERROR_INVALID_STATE        Peer Manager is not initialized.
+ */
+ret_code_t sm_lesc_public_key_set(ble_gap_lesc_p256_pk_t * p_public_key);
+
+
+/**@brief Function for providing pairing and bonding parameters to use for the current pairing
+ *        procedure on a connection.
+ *
+ * @warning This function is not yet implemented.
+ *
+ * @note If this function returns an @ref NRF_ERROR_NULL, @ref NRF_ERROR_INVALID_PARAM, @ref
+ *       BLE_ERROR_INVALID_CONN_HANDLE, or @ref NRF_ERROR_NO_MEM, this function can be called again
+ *       after corrective action.
+ *
+ * @note To reject a request, call this function with NULL p_sec_params.
+ *
+ * @param[in]  conn_handle   The connection handle of the connection the pairing is happening on.
+ * @param[in]  p_sec_params  The security parameters to use for this link.
+ *
+ * @retval NRF_SUCCESS                    Success.
+ * @retval NRF_ERROR_INVALID_STATE        Module is not initialized, or no parameters have been
+ *                                        requested on that conn_handle, or this error originates
+ *                                        from the SoftDevice.
+ * @retval NRF_ERROR_INVALID_PARAM        Invalid combination of parameters (not including conn_handle).
+ * @retval NRF_ERROR_TIMEOUT              There has been an SMP timeout, so no more SMP operations
+ *                                        can be performed on this link.
+ * @retval BLE_ERROR_INVALID_CONN_HANDLE  Invalid connection handle.
+ * @retval NRF_ERROR_NO_MEM               No more room in flash. Fix and reattempt later.
+ * @retval NRF_ERROR_BUSY                 No write buffer. Reattempt later.
+ */
+ret_code_t sm_sec_params_reply(uint16_t conn_handle, ble_gap_sec_params_t * p_sec_params);
+
+
+/**@brief Function for initiating security on the link, with the specified parameters.
+ *
+ * @note If the connection is a peripheral connection, this will send a security request to the
+ *       master, but the master is not obligated to initiate pairing or encryption in response.
+ * @note If the connection is a central connection and a key is available, the parameters will be
+ *       used to determine whether to re-pair or to encrypt using the existing key. If no key is
+ *       available, pairing will be started.
+ *
+ * @param[in]  conn_handle      Handle of the connection to initiate pairing on.
+ * @param[in]  force_repairing  Whether to force a pairing procedure to happen regardless of whether
+ *                              an encryption key already exists. This argument is only relevant for
+ *                              the central role. Recommended value: false
+ *
+ * @retval NRF_SUCCESS                    Success.
+ * @retval NRF_ERROR_TIMEOUT              There has been an SMP timeout, so no more SMP operations
+ *                                        can be performed on this link.
+ * @retval BLE_ERROR_INVALID_CONN_HANDLE  Invalid connection handle.
+ * @retval NRF_ERROR_NOT_FOUND            Security parameters have not been set.
+ * @retval NRF_ERROR_INVALID_STATE        Module is not initialized.
+ * @retval NRF_ERROR_INTERNAL             An unexpected error occurred.
+ */
+ret_code_t sm_link_secure(uint16_t conn_handle, bool force_repairing);
+
+/** @}
+ * @endcond
+ */
+
+#endif /* SECURITY_MANAGER_H__ */