805 lines
43 KiB
C
805 lines
43 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2003-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may 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,
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* WITHOUT 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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******************************************************************************/
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#include "bt_target.h"
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#if SMP_INCLUDED == TRUE
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#include <string.h>
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#include "smp_int.h"
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const char *const smp_state_name [] = {
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"SMP_STATE_IDLE",
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"SMP_STATE_WAIT_APP_RSP",
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"SMP_STATE_SEC_REQ_PENDING",
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"SMP_STATE_PAIR_REQ_RSP",
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"SMP_STATE_WAIT_CONFIRM",
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"SMP_STATE_CONFIRM",
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"SMP_STATE_RAND",
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"SMP_STATE_PUBLIC_KEY_EXCH",
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"SMP_STATE_SEC_CONN_PHS1_START",
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"SMP_STATE_WAIT_COMMITMENT",
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"SMP_STATE_WAIT_NONCE",
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"SMP_STATE_SEC_CONN_PHS2_START",
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"SMP_STATE_WAIT_DHK_CHECK",
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"SMP_STATE_DHK_CHECK",
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"SMP_STATE_ENCRYPTION_PENDING",
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"SMP_STATE_BOND_PENDING",
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"SMP_STATE_CREATE_LOCAL_SEC_CONN_OOB_DATA",
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"SMP_STATE_MAX"
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};
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const char *const smp_event_name [] = {
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"PAIRING_REQ_EVT",
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"PAIRING_RSP_EVT",
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"CONFIRM_EVT",
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"RAND_EVT",
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"PAIRING_FAILED_EVT",
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"ENC_INFO_EVT",
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"MASTER_ID_EVT",
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"ID_INFO_EVT",
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"ID_ADDR_EVT",
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"SIGN_INFO_EVT",
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"SECURITY_REQ_EVT",
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"PAIR_PUBLIC_KEY_EVT",
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"PAIR_DHKEY_CHECK_EVT",
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"PAIR_KEYPRESS_NOTIFICATION_EVT",
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"PAIR_COMMITMENT_EVT",
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"KEY_READY_EVT",
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"ENCRYPTED_EVT",
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"L2CAP_CONN_EVT",
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"L2CAP_DISCONN_EVT",
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"API_IO_RSP_EVT",
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"API_SEC_GRANT_EVT",
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"TK_REQ_EVT",
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"AUTH_CMPL_EVT",
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"ENC_REQ_EVT",
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"BOND_REQ_EVT",
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"DISCARD_SEC_REQ_EVT",
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"PUBLIC_KEY_EXCHANGE_REQ_EVT",
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"LOCAL_PUBLIC_KEY_CRTD_EVT",
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"BOTH_PUBLIC_KEYS_RCVD_EVT",
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"SEC_CONN_DHKEY_COMPLETE_EVT",
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"HAVE_LOCAL_NONCE_EVT",
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"SEC_CONN_PHASE1_CMPLT_EVT",
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"SEC_CONN_CALC_NC_EVT",
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"SEC_CONN_DISPLAY_NC_EVT",
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"SEC_CONN_OK_EVT",
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"SEC_CONN_2_DHCK_CHECKS_PRESENT_EVT",
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"SEC_CONN_KEY_READY_EVT",
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"KEYPRESS_NOTIFICATION_EVT",
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"SEC_CONN_OOB_DATA_EVT",
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"CREATE_LOCAL_SEC_CONN_OOB_DATA_EVT",
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"OUT_OF_RANGE_EVT"
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};
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const char *smp_get_event_name(tSMP_EVENT event);
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const char *smp_get_state_name(tSMP_STATE state);
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#define SMP_SM_IGNORE 0
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#define SMP_NUM_ACTIONS 2
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#define SMP_SME_NEXT_STATE 2
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#define SMP_SM_NUM_COLS 3
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typedef const UINT8(*tSMP_SM_TBL)[SMP_SM_NUM_COLS];
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enum {
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SMP_PROC_SEC_REQ,
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SMP_SEND_PAIR_REQ,
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SMP_SEND_PAIR_RSP,
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SMP_SEND_CONFIRM,
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SMP_SEND_PAIR_FAIL,
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SMP_SEND_RAND,
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SMP_SEND_ENC_INFO,
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SMP_SEND_ID_INFO,
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SMP_SEND_LTK_REPLY,
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SMP_PROC_PAIR_CMD,
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SMP_PROC_PAIR_FAIL,
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SMP_PROC_CONFIRM,
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SMP_PROC_RAND,
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SMP_PROC_ENC_INFO,
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SMP_PROC_MASTER_ID,
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SMP_PROC_ID_INFO,
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SMP_PROC_ID_ADDR,
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SMP_PROC_SRK_INFO,
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SMP_PROC_SEC_GRANT,
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SMP_PROC_SL_KEY,
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SMP_PROC_COMPARE,
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SMP_PROC_IO_RSP,
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SMP_GENERATE_COMPARE,
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SMP_GENERATE_CONFIRM,
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SMP_GENERATE_STK,
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SMP_KEY_DISTRIBUTE,
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SMP_START_ENC,
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SMP_PAIRING_CMPL,
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SMP_DECIDE_ASSO_MODEL,
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SMP_SEND_APP_CBACK,
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SMP_CHECK_AUTH_REQ,
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SMP_PAIR_TERMINATE,
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SMP_ENC_CMPL,
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SMP_PROC_DISCARD,
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SMP_CREATE_PRIVATE_KEY,
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SMP_USE_OOB_PRIVATE_KEY,
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SMP_SEND_PAIR_PUBLIC_KEY,
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SMP_PROCESS_PAIR_PUBLIC_KEY,
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SMP_HAVE_BOTH_PUBLIC_KEYS,
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SMP_START_SEC_CONN_PHASE1,
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SMP_PROCESS_LOCAL_NONCE,
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SMP_SEND_COMMITMENT,
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SMP_PROCESS_PAIRING_COMMITMENT,
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SMP_PROCESS_PEER_NONCE,
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SMP_CALCULATE_LOCAL_DHKEY_CHECK,
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SMP_SEND_DHKEY_CHECK,
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SMP_PROCESS_DHKEY_CHECK,
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SMP_CALCULATE_PEER_DHKEY_CHECK,
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SMP_MATCH_DHKEY_CHECKS,
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SMP_CALCULATE_NUMERIC_COMPARISON_DISPLAY_NUMBER,
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SMP_MOVE_TO_SEC_CONN_PHASE2,
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SMP_PH2_DHKEY_CHECKS_ARE_PRESENT,
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SMP_WAIT_FOR_BOTH_PUBLIC_KEYS,
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SMP_START_PASSKEY_VERIFICATION,
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SMP_SEND_KEYPRESS_NOTIFICATION,
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SMP_PROCESS_KEYPRESS_NOTIFICATION,
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SMP_PROCESS_SECURE_CONNECTION_OOB_DATA,
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SMP_SET_LOCAL_OOB_KEYS,
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SMP_SET_LOCAL_OOB_RAND_COMMITMENT,
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SMP_IDLE_TERMINATE,
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SMP_FAST_CONN_PARAM,
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SMP_SM_NO_ACTION
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};
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static const tSMP_ACT smp_sm_action[] = {
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smp_proc_sec_req,
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smp_send_pair_req,
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smp_send_pair_rsp,
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smp_send_confirm,
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smp_send_pair_fail,
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smp_send_rand,
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smp_send_enc_info,
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smp_send_id_info,
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smp_send_ltk_reply,
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smp_proc_pair_cmd,
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smp_proc_pair_fail,
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smp_proc_confirm,
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smp_proc_rand,
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smp_proc_enc_info,
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smp_proc_master_id,
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smp_proc_id_info,
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smp_proc_id_addr,
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smp_proc_srk_info,
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smp_proc_sec_grant,
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smp_proc_sl_key,
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smp_proc_compare,
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smp_process_io_response,
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smp_generate_compare,
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smp_generate_srand_mrand_confirm,
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smp_generate_stk,
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smp_key_distribution,
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smp_start_enc,
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smp_pairing_cmpl,
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smp_decide_association_model,
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smp_send_app_cback,
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smp_check_auth_req,
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smp_pair_terminate,
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smp_enc_cmpl,
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smp_proc_discard,
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smp_create_private_key,
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smp_use_oob_private_key,
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smp_send_pair_public_key,
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smp_process_pairing_public_key,
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smp_both_have_public_keys,
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smp_start_secure_connection_phase1,
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smp_process_local_nonce,
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smp_send_commitment,
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smp_process_pairing_commitment,
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smp_process_peer_nonce,
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smp_calculate_local_dhkey_check,
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smp_send_dhkey_check,
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smp_process_dhkey_check,
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smp_calculate_peer_dhkey_check,
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smp_match_dhkey_checks,
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smp_calculate_numeric_comparison_display_number,
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smp_move_to_secure_connections_phase2,
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smp_phase_2_dhkey_checks_are_present,
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smp_wait_for_both_public_keys,
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smp_start_passkey_verification,
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smp_send_keypress_notification,
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smp_process_keypress_notification,
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smp_process_secure_connection_oob_data,
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smp_set_local_oob_keys,
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smp_set_local_oob_random_commitment,
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smp_idle_terminate,
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smp_fast_conn_param
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};
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/************ SMP Master FSM State/Event Indirection Table **************/
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static const UINT8 smp_master_entry_map[][SMP_STATE_MAX] = {
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/* state name: Idle WaitApp SecReq Pair Wait Confirm Rand PublKey SCPhs1 Wait Wait SCPhs2 Wait DHKChk Enc Bond CrLocSc
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Rsp Pend ReqRsp Cfm Exch Strt Cmtm Nonce Strt DHKChk Pend Pend OobData */
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/* PAIR_REQ */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* PAIR_RSP */{ 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* CONFIRM */{ 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* RAND */{ 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 },
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/* PAIR_FAIL */{ 0, 0x81, 0, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0, 0x81, 0 },
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/* ENC_INFO */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 },
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/* MASTER_ID */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0 },
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/* ID_INFO */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0 },
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/* ID_ADDR */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0 },
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/* SIGN_INFO */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0 },
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/* SEC_REQ */{ 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* PAIR_PUBLIC_KEY */{ 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* PAIR_DHKEY_CHCK */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
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/* PAIR_KEYPR_NOTIF */{ 0, 8, 0, 0, 0, 0, 0, 0, 5, 2, 0, 0, 0, 0, 0, 0, 0 },
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/* PAIR_COMMITM */{ 0, 0, 0, 0, 0, 0, 0, 0, 6, 1, 0, 0, 0, 0, 0, 0, 0 },
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/* KEY_READY */{ 0, 3, 0, 3, 1, 0, 2, 0, 4, 0, 0, 0, 0, 0, 1, 6, 0 },
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/* ENC_CMPL */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0 },
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/* L2C_CONN */{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* L2C_DISC */{ 3, 0x83, 0, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0 },
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/* IO_RSP */{ 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* SEC_GRANT */{ 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* TK_REQ */{ 0, 0, 0, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* AUTH_CMPL */{ 4, 0x82, 0, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0 },
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/* ENC_REQ */{ 0, 4, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0 },
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/* BOND_REQ */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0 },
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/* DISCARD_SEC_REQ */{ 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0 },
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/* PUBL_KEY_EXCH_REQ */{ 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* LOC_PUBL_KEY_CRTD */{ 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
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/* BOTH_PUBL_KEYS_RCVD */{ 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* SC_DHKEY_CMPLT */{ 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* HAVE_LOC_NONCE */{ 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2 },
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/* SC_PHASE1_CMPLT */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0 },
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/* SC_CALC_NC */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0 },
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/* SC_DSPL_NC */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0 },
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/* SC_NC_OK */{ 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* SC_2_DHCK_CHKS_PRES */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* SC_KEY_READY */{ 0, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0 },
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/* KEYPR_NOTIF */{ 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* SC_OOB_DATA */{ 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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/* CR_LOC_SC_OOB_DATA */{ 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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};
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static const UINT8 smp_all_table[][SMP_SM_NUM_COLS] = {
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/* Event Action Next State */
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/* PAIR_FAIL */ {SMP_PROC_PAIR_FAIL, SMP_PAIRING_CMPL, SMP_STATE_IDLE},
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/* AUTH_CMPL */ {SMP_SEND_PAIR_FAIL, SMP_PAIRING_CMPL, SMP_STATE_IDLE},
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/* L2C_DISC */ {SMP_PAIR_TERMINATE, SMP_SM_NO_ACTION, SMP_STATE_IDLE}
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};
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static const UINT8 smp_master_idle_table[][SMP_SM_NUM_COLS] = {
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/* Event Action Next State */
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/* L2C_CONN */ {SMP_SEND_APP_CBACK, SMP_SM_NO_ACTION, SMP_STATE_WAIT_APP_RSP},
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/* SEC_REQ */ {SMP_PROC_SEC_REQ, SMP_SEND_APP_CBACK, SMP_STATE_WAIT_APP_RSP},
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/* L2C_DISC */ {SMP_IDLE_TERMINATE, SMP_SM_NO_ACTION, SMP_STATE_IDLE},
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/* AUTH_CMPL */ {SMP_PAIRING_CMPL, SMP_SM_NO_ACTION, SMP_STATE_IDLE}
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/* CR_LOC_SC_OOB_DATA */ , {SMP_CREATE_PRIVATE_KEY, SMP_SM_NO_ACTION, SMP_STATE_CREATE_LOCAL_SEC_CONN_OOB_DATA}
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};
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static const UINT8 smp_master_wait_for_app_response_table[][SMP_SM_NUM_COLS] = {
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/* Event Action Next State */
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/* SEC_GRANT */ {SMP_PROC_SEC_GRANT, SMP_SEND_APP_CBACK, SMP_STATE_WAIT_APP_RSP},
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/* IO_RSP */ {SMP_SEND_PAIR_REQ, SMP_FAST_CONN_PARAM, SMP_STATE_PAIR_REQ_RSP},
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/* TK ready */
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/* KEY_READY */ {SMP_GENERATE_CONFIRM, SMP_SM_NO_ACTION, SMP_STATE_WAIT_CONFIRM},
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/* start enc mode setup */
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/* ENC_REQ */ { SMP_START_ENC, SMP_FAST_CONN_PARAM, SMP_STATE_ENCRYPTION_PENDING},
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/* DISCARD_SEC_REQ */ { SMP_PROC_DISCARD, SMP_SM_NO_ACTION, SMP_STATE_IDLE}
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/* user confirms NC 'OK', i.e. phase 1 is completed */
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/* SC_NC_OK */, { SMP_MOVE_TO_SEC_CONN_PHASE2, SMP_SM_NO_ACTION, SMP_STATE_SEC_CONN_PHS2_START},
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/* user-provided passkey is rcvd */
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/* SC_KEY_READY */ { SMP_START_PASSKEY_VERIFICATION, SMP_SM_NO_ACTION, SMP_STATE_SEC_CONN_PHS1_START},
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/* PAIR_KEYPR_NOTIF */ { SMP_PROCESS_KEYPRESS_NOTIFICATION, SMP_SEND_APP_CBACK, SMP_STATE_WAIT_APP_RSP},
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/* KEYPR_NOTIF */ { SMP_SEND_KEYPRESS_NOTIFICATION, SMP_SM_NO_ACTION, SMP_STATE_WAIT_APP_RSP},
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/* SC_OOB_DATA */ { SMP_USE_OOB_PRIVATE_KEY, SMP_SM_NO_ACTION, SMP_STATE_PUBLIC_KEY_EXCH}
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};
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static const UINT8 smp_master_pair_request_response_table[][SMP_SM_NUM_COLS] = {
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/* Event Action Next State */
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/* PAIR_RSP */ { SMP_PROC_PAIR_CMD, SMP_SM_NO_ACTION, SMP_STATE_PAIR_REQ_RSP},
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/* TK_REQ */ { SMP_SEND_APP_CBACK, SMP_SM_NO_ACTION, SMP_STATE_WAIT_APP_RSP},
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/* TK ready */
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/* KEY_READY */{ SMP_GENERATE_CONFIRM, SMP_SM_NO_ACTION, SMP_STATE_WAIT_CONFIRM}
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/* PUBL_KEY_EXCH_REQ */, { SMP_CREATE_PRIVATE_KEY, SMP_SM_NO_ACTION, SMP_STATE_PUBLIC_KEY_EXCH}
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};
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static const UINT8 smp_master_wait_for_confirm_table[][SMP_SM_NUM_COLS] = {
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/* Event Action Next State */
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/* KEY_READY*/ {SMP_SEND_CONFIRM, SMP_SM_NO_ACTION, SMP_STATE_CONFIRM}/* CONFIRM ready */
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};
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static const UINT8 smp_master_confirm_table[][SMP_SM_NUM_COLS] = {
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/* Event Action Next State */
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/* CONFIRM */ { SMP_PROC_CONFIRM, SMP_SEND_RAND, SMP_STATE_RAND}
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};
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static const UINT8 smp_master_rand_table[][SMP_SM_NUM_COLS] = {
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/* Event Action Next State */
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/* RAND */ { SMP_PROC_RAND, SMP_GENERATE_COMPARE, SMP_STATE_RAND},
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/* KEY_READY*/ { SMP_PROC_COMPARE, SMP_SM_NO_ACTION, SMP_STATE_RAND}, /* Compare ready */
|
|
/* ENC_REQ */ { SMP_GENERATE_STK, SMP_SM_NO_ACTION, SMP_STATE_ENCRYPTION_PENDING}
|
|
};
|
|
|
|
static const UINT8 smp_master_public_key_exchange_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* LOC_PUBL_KEY_CRTD */{ SMP_SEND_PAIR_PUBLIC_KEY, SMP_SM_NO_ACTION, SMP_STATE_PUBLIC_KEY_EXCH},
|
|
/* PAIR_PUBLIC_KEY */{ SMP_PROCESS_PAIR_PUBLIC_KEY, SMP_SM_NO_ACTION, SMP_STATE_PUBLIC_KEY_EXCH},
|
|
/* BOTH_PUBL_KEYS_RCVD */{ SMP_HAVE_BOTH_PUBLIC_KEYS, SMP_SM_NO_ACTION, SMP_STATE_SEC_CONN_PHS1_START},
|
|
};
|
|
|
|
static const UINT8 smp_master_sec_conn_phs1_start_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* SC_DHKEY_CMPLT */{ SMP_START_SEC_CONN_PHASE1, SMP_SM_NO_ACTION, SMP_STATE_SEC_CONN_PHS1_START},
|
|
/* HAVE_LOC_NONCE */{ SMP_PROCESS_LOCAL_NONCE, SMP_SM_NO_ACTION, SMP_STATE_WAIT_COMMITMENT},
|
|
/* TK_REQ */{ SMP_SEND_APP_CBACK, SMP_SM_NO_ACTION, SMP_STATE_WAIT_APP_RSP},
|
|
/* SMP_MODEL_SEC_CONN_PASSKEY_DISP model, passkey is sent up to display,*/
|
|
/* It's time to start commitment calculation */
|
|
/* KEY_READY */{ SMP_START_PASSKEY_VERIFICATION, SMP_SM_NO_ACTION, SMP_STATE_SEC_CONN_PHS1_START},
|
|
/* PAIR_KEYPR_NOTIF */{ SMP_PROCESS_KEYPRESS_NOTIFICATION, SMP_SEND_APP_CBACK, SMP_STATE_SEC_CONN_PHS1_START},
|
|
/* PAIR_COMMITM */{ SMP_PROCESS_PAIRING_COMMITMENT, SMP_SM_NO_ACTION, SMP_STATE_SEC_CONN_PHS1_START},
|
|
};
|
|
|
|
static const UINT8 smp_master_wait_commitment_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* PAIR_COMMITM */{ SMP_PROCESS_PAIRING_COMMITMENT, SMP_SEND_RAND, SMP_STATE_WAIT_NONCE},
|
|
/* PAIR_KEYPR_NOTIF */{ SMP_PROCESS_KEYPRESS_NOTIFICATION, SMP_SEND_APP_CBACK, SMP_STATE_WAIT_COMMITMENT},
|
|
};
|
|
|
|
static const UINT8 smp_master_wait_nonce_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* peer nonce is received */
|
|
/* RAND */{SMP_PROC_RAND, SMP_PROCESS_PEER_NONCE, SMP_STATE_SEC_CONN_PHS2_START},
|
|
/* NC model, time to calculate number for NC */
|
|
/* SC_CALC_NC */{SMP_CALCULATE_NUMERIC_COMPARISON_DISPLAY_NUMBER, SMP_SM_NO_ACTION, SMP_STATE_WAIT_NONCE},
|
|
/* NC model, time to display calculated number for NC to the user */
|
|
/* SC_DSPL_NC */{SMP_SEND_APP_CBACK, SMP_SM_NO_ACTION, SMP_STATE_WAIT_APP_RSP},
|
|
};
|
|
|
|
static const UINT8 smp_master_sec_conn_phs2_start_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* SC_PHASE1_CMPLT */{SMP_CALCULATE_LOCAL_DHKEY_CHECK, SMP_SEND_DHKEY_CHECK, SMP_STATE_WAIT_DHK_CHECK},
|
|
};
|
|
|
|
static const UINT8 smp_master_wait_dhk_check_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* PAIR_DHKEY_CHCK */{SMP_PROCESS_DHKEY_CHECK, SMP_CALCULATE_PEER_DHKEY_CHECK, SMP_STATE_DHK_CHECK},
|
|
};
|
|
|
|
static const UINT8 smp_master_dhk_check_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* locally calculated peer dhkey check is ready -> compare it withs DHKey Check actually received from peer */
|
|
/* SC_KEY_READY */{SMP_MATCH_DHKEY_CHECKS, SMP_SM_NO_ACTION, SMP_STATE_DHK_CHECK},
|
|
/* locally calculated peer dhkey check is ready -> calculate STK, go to sending */
|
|
/* HCI LE Start Encryption command */
|
|
/* ENC_REQ */{SMP_GENERATE_STK, SMP_SM_NO_ACTION, SMP_STATE_ENCRYPTION_PENDING},
|
|
};
|
|
|
|
static const UINT8 smp_master_enc_pending_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* STK ready */
|
|
/* KEY_READY */ { SMP_START_ENC, SMP_SM_NO_ACTION, SMP_STATE_ENCRYPTION_PENDING},
|
|
/* ENCRYPTED */ { SMP_CHECK_AUTH_REQ, SMP_SM_NO_ACTION, SMP_STATE_ENCRYPTION_PENDING},
|
|
/* BOND_REQ */ { SMP_KEY_DISTRIBUTE, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING}
|
|
};
|
|
static const UINT8 smp_master_bond_pending_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* ENC_INFO */ { SMP_PROC_ENC_INFO, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING},
|
|
/* ID_INFO */ { SMP_PROC_ID_INFO, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING},
|
|
/* SIGN_INFO*/ { SMP_PROC_SRK_INFO, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING},
|
|
/* MASTER_ID*/ { SMP_PROC_MASTER_ID, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING},
|
|
/* ID_ADDR */ { SMP_PROC_ID_ADDR, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING},
|
|
/* KEY_READY */{SMP_SEND_ENC_INFO, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING} /* LTK ready */
|
|
};
|
|
|
|
static const UINT8 smp_master_create_local_sec_conn_oob_data[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* LOC_PUBL_KEY_CRTD */ {SMP_SET_LOCAL_OOB_KEYS, SMP_SM_NO_ACTION, SMP_STATE_CREATE_LOCAL_SEC_CONN_OOB_DATA},
|
|
/* HAVE_LOC_NONCE */ {SMP_SET_LOCAL_OOB_RAND_COMMITMENT, SMP_SM_NO_ACTION, SMP_STATE_IDLE}
|
|
};
|
|
|
|
|
|
/************ SMP Slave FSM State/Event Indirection Table **************/
|
|
static const UINT8 smp_slave_entry_map[][SMP_STATE_MAX] = {
|
|
/* state name: Idle WaitApp SecReq Pair Wait Confirm Rand PublKey SCPhs1 Wait Wait SCPhs2 Wait DHKChk Enc Bond CrLocSc
|
|
Rsp Pend ReqRsp Cfm Exch Strt Cmtm Nonce Strt DHKChk Pend Pend OobData */
|
|
/* PAIR_REQ */{ 2, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* PAIR_RSP */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* CONFIRM */{ 0, 4, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* RAND */{ 0, 0, 0, 0, 0, 1, 2, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 },
|
|
/* PAIR_FAIL */{ 0, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0, 0 },
|
|
/* ENC_INFO */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0 },
|
|
/* MASTER_ID */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0 },
|
|
/* ID_INFO */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0 },
|
|
/* ID_ADDR */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 },
|
|
/* SIGN_INFO */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0 },
|
|
/* SEC_REQ */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* PAIR_PUBLIC_KEY */{ 0, 0, 0, 5, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* PAIR_DHKEY_CHCK */{ 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 2, 0, 0, 0 },
|
|
/* PAIR_KEYPR_NOTIF */{ 0, 9, 0, 0, 0, 0, 0, 0, 5, 2, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* PAIR_COMMITM */{ 0, 8, 0, 0, 0, 0, 0, 0, 6, 1, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* KEY_READY */{ 0, 3, 0, 3, 2, 2, 1, 0, 4, 0, 0, 0, 0, 0, 2, 1, 0 },
|
|
/* ENC_CMPL */{ 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0 },
|
|
/* L2C_CONN */{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* L2C_DISC */{ 0, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0 },
|
|
/* IO_RSP */{ 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* SEC_GRANT */{ 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* TK_REQ */{ 0, 0, 0, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* AUTH_CMPL */{ 0, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0 },
|
|
/* ENC_REQ */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
|
|
/* BOND_REQ */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0 },
|
|
/* DISCARD_SEC_REQ */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* PUBL_KEY_EXCH_REQ */{ 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* LOC_PUBL_KEY_CRTD */{ 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
|
|
/* BOTH_PUBL_KEYS_RCVD */{ 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* SC_DHKEY_CMPLT */{ 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* HAVE_LOC_NONCE */{ 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2 },
|
|
/* SC_PHASE1_CMPLT */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0 },
|
|
/* SC_CALC_NC */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0 },
|
|
/* SC_DSPL_NC */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0 },
|
|
/* SC_NC_OK */{ 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* SC_2_DHCK_CHKS_PRES */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0 },
|
|
/* SC_KEY_READY */{ 0, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0 },
|
|
/* KEYPR_NOTIF */{ 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* SC_OOB_DATA */{ 0, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
/* CR_LOC_SC_OOB_DATA */{ 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
|
|
};
|
|
|
|
static const UINT8 smp_slave_idle_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* L2C_CONN */ {SMP_SEND_APP_CBACK, SMP_SM_NO_ACTION, SMP_STATE_WAIT_APP_RSP},
|
|
/* PAIR_REQ */ {SMP_PROC_PAIR_CMD, SMP_SEND_APP_CBACK, SMP_STATE_WAIT_APP_RSP}
|
|
/* CR_LOC_SC_OOB_DATA */ , {SMP_CREATE_PRIVATE_KEY, SMP_SM_NO_ACTION, SMP_STATE_CREATE_LOCAL_SEC_CONN_OOB_DATA}
|
|
};
|
|
|
|
static const UINT8 smp_slave_wait_for_app_response_table [][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* IO_RSP */ {SMP_PROC_IO_RSP, SMP_FAST_CONN_PARAM, SMP_STATE_PAIR_REQ_RSP},
|
|
/* SEC_GRANT */ {SMP_PROC_SEC_GRANT, SMP_SEND_APP_CBACK, SMP_STATE_WAIT_APP_RSP},
|
|
|
|
/* TK ready */
|
|
/* KEY_READY */ {SMP_PROC_SL_KEY, SMP_SM_NO_ACTION, SMP_STATE_WAIT_APP_RSP},
|
|
/* CONFIRM */ {SMP_PROC_CONFIRM, SMP_SM_NO_ACTION, SMP_STATE_CONFIRM}
|
|
/* DHKey Check from master is received before phase 1 is completed - race */
|
|
/* PAIR_DHKEY_CHCK */, {SMP_PROCESS_DHKEY_CHECK, SMP_SM_NO_ACTION, SMP_STATE_WAIT_APP_RSP},
|
|
/* user confirms NC 'OK', i.e. phase 1 is completed */
|
|
/* SC_NC_OK */ {SMP_MOVE_TO_SEC_CONN_PHASE2, SMP_SM_NO_ACTION, SMP_STATE_SEC_CONN_PHS2_START},
|
|
/* user-provided passkey is rcvd */
|
|
/* SC_KEY_READY */ {SMP_START_PASSKEY_VERIFICATION, SMP_SM_NO_ACTION, SMP_STATE_SEC_CONN_PHS1_START},
|
|
/* PAIR_COMMITM */ {SMP_PROCESS_PAIRING_COMMITMENT, SMP_SM_NO_ACTION, SMP_STATE_WAIT_APP_RSP},
|
|
/* PAIR_KEYPR_NOTIF */ {SMP_PROCESS_KEYPRESS_NOTIFICATION, SMP_SEND_APP_CBACK, SMP_STATE_WAIT_APP_RSP},
|
|
/* KEYPR_NOTIF */ {SMP_SEND_KEYPRESS_NOTIFICATION, SMP_SM_NO_ACTION, SMP_STATE_WAIT_APP_RSP},
|
|
/* SC_OOB_DATA */ {SMP_SEND_PAIR_RSP, SMP_SM_NO_ACTION, SMP_STATE_PAIR_REQ_RSP},
|
|
};
|
|
|
|
static const UINT8 smp_slave_sec_request_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* PAIR_REQ */{SMP_PROC_PAIR_CMD, SMP_SM_NO_ACTION, SMP_STATE_PAIR_REQ_RSP},
|
|
/* ENCRYPTED*/{SMP_ENC_CMPL, SMP_SM_NO_ACTION, SMP_STATE_PAIR_REQ_RSP},
|
|
};
|
|
|
|
static const UINT8 smp_slave_pair_request_response_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* CONFIRM */ {SMP_PROC_CONFIRM, SMP_SM_NO_ACTION, SMP_STATE_CONFIRM},
|
|
/* TK_REQ */ {SMP_SEND_APP_CBACK, SMP_SM_NO_ACTION, SMP_STATE_WAIT_APP_RSP},
|
|
/* TK/Confirm ready */
|
|
/* KEY_READY */{SMP_PROC_SL_KEY, SMP_SM_NO_ACTION, SMP_STATE_PAIR_REQ_RSP}
|
|
/* PUBL_KEY_EXCH_REQ */, { SMP_CREATE_PRIVATE_KEY, SMP_SM_NO_ACTION, SMP_STATE_PUBLIC_KEY_EXCH},
|
|
/* PAIR_PUBLIC_KEY */ { SMP_PROCESS_PAIR_PUBLIC_KEY, SMP_SM_NO_ACTION, SMP_STATE_PAIR_REQ_RSP},
|
|
};
|
|
|
|
static const UINT8 smp_slave_wait_confirm_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* CONFIRM */ {SMP_PROC_CONFIRM, SMP_SEND_CONFIRM, SMP_STATE_CONFIRM},
|
|
/* KEY_READY*/ {SMP_PROC_SL_KEY, SMP_SM_NO_ACTION, SMP_STATE_WAIT_CONFIRM}
|
|
};
|
|
|
|
static const UINT8 smp_slave_confirm_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* RAND */ {SMP_PROC_RAND, SMP_GENERATE_COMPARE, SMP_STATE_RAND},
|
|
|
|
/* TK/Confirm ready */
|
|
/* KEY_READY*/ {SMP_PROC_SL_KEY, SMP_SM_NO_ACTION, SMP_STATE_CONFIRM}
|
|
};
|
|
|
|
static const UINT8 smp_slave_rand_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* KEY_READY */ {SMP_PROC_COMPARE, SMP_SM_NO_ACTION, SMP_STATE_RAND}, /* compare match */
|
|
/* RAND */ {SMP_SEND_RAND, SMP_SM_NO_ACTION, SMP_STATE_ENCRYPTION_PENDING}
|
|
};
|
|
|
|
static const UINT8 smp_slave_public_key_exch_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* LOC_PUBL_KEY_CRTD */{ SMP_WAIT_FOR_BOTH_PUBLIC_KEYS, SMP_SM_NO_ACTION, SMP_STATE_PUBLIC_KEY_EXCH},
|
|
/* PAIR_PUBLIC_KEY */{ SMP_PROCESS_PAIR_PUBLIC_KEY, SMP_SM_NO_ACTION, SMP_STATE_PUBLIC_KEY_EXCH},
|
|
/* BOTH_PUBL_KEYS_RCVD */{ SMP_HAVE_BOTH_PUBLIC_KEYS, SMP_SM_NO_ACTION, SMP_STATE_SEC_CONN_PHS1_START},
|
|
};
|
|
|
|
static const UINT8 smp_slave_sec_conn_phs1_start_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* SC_DHKEY_CMPLT */{ SMP_START_SEC_CONN_PHASE1, SMP_SM_NO_ACTION, SMP_STATE_SEC_CONN_PHS1_START},
|
|
/* HAVE_LOC_NONCE */{ SMP_PROCESS_LOCAL_NONCE, SMP_SM_NO_ACTION, SMP_STATE_WAIT_COMMITMENT},
|
|
/* TK_REQ */{ SMP_SEND_APP_CBACK, SMP_SM_NO_ACTION, SMP_STATE_WAIT_APP_RSP},
|
|
/* SMP_MODEL_SEC_CONN_PASSKEY_DISP model, passkey is sent up to display, it's time to start */
|
|
/* commitment calculation */
|
|
/* KEY_READY */{ SMP_START_PASSKEY_VERIFICATION, SMP_SM_NO_ACTION, SMP_STATE_SEC_CONN_PHS1_START},
|
|
/* PAIR_KEYPR_NOTIF */{ SMP_PROCESS_KEYPRESS_NOTIFICATION, SMP_SEND_APP_CBACK, SMP_STATE_SEC_CONN_PHS1_START},
|
|
/*COMMIT*/{SMP_PROCESS_PAIRING_COMMITMENT, SMP_SM_NO_ACTION, SMP_STATE_SEC_CONN_PHS1_START},
|
|
};
|
|
|
|
static const UINT8 smp_slave_wait_commitment_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* PAIR_COMMITM */{SMP_PROCESS_PAIRING_COMMITMENT, SMP_SEND_COMMITMENT, SMP_STATE_WAIT_NONCE},
|
|
/* PAIR_KEYPR_NOTIF */{SMP_PROCESS_KEYPRESS_NOTIFICATION, SMP_SEND_APP_CBACK, SMP_STATE_WAIT_COMMITMENT},
|
|
};
|
|
|
|
static const UINT8 smp_slave_wait_nonce_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* peer nonce is received */
|
|
/* RAND */{SMP_PROC_RAND, SMP_PROCESS_PEER_NONCE, SMP_STATE_SEC_CONN_PHS2_START},
|
|
/* NC model, time to calculate number for NC */
|
|
/* SC_CALC_NC */{SMP_CALCULATE_NUMERIC_COMPARISON_DISPLAY_NUMBER, SMP_SM_NO_ACTION, SMP_STATE_WAIT_NONCE},
|
|
/* NC model, time to display calculated number for NC to the user */
|
|
/* SC_DSPL_NC */{SMP_SEND_APP_CBACK, SMP_SM_NO_ACTION, SMP_STATE_WAIT_APP_RSP},
|
|
};
|
|
|
|
static const UINT8 smp_slave_sec_conn_phs2_start_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* SC_PHASE1_CMPLT */{SMP_CALCULATE_LOCAL_DHKEY_CHECK, SMP_PH2_DHKEY_CHECKS_ARE_PRESENT, SMP_STATE_WAIT_DHK_CHECK},
|
|
/* DHKey Check from master is received before slave DHKey calculation is completed - race */
|
|
/* PAIR_DHKEY_CHCK */{SMP_PROCESS_DHKEY_CHECK, SMP_SM_NO_ACTION, SMP_STATE_SEC_CONN_PHS2_START},
|
|
};
|
|
|
|
static const UINT8 smp_slave_wait_dhk_check_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* PAIR_DHKEY_CHCK */{SMP_PROCESS_DHKEY_CHECK, SMP_CALCULATE_PEER_DHKEY_CHECK, SMP_STATE_DHK_CHECK},
|
|
/* DHKey Check from master was received before slave came to this state */
|
|
/* SC_2_DHCK_CHKS_PRES */{SMP_CALCULATE_PEER_DHKEY_CHECK, SMP_SM_NO_ACTION, SMP_STATE_DHK_CHECK},
|
|
};
|
|
|
|
static const UINT8 smp_slave_dhk_check_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
|
|
/* locally calculated peer dhkey check is ready -> compare it withs DHKey Check */
|
|
/* actually received from peer */
|
|
/* SC_KEY_READY */{SMP_MATCH_DHKEY_CHECKS, SMP_SM_NO_ACTION, SMP_STATE_DHK_CHECK},
|
|
|
|
/* dhkey checks match -> send local dhkey check to master, go to wait for HCI LE */
|
|
/* Long Term Key Request Event */
|
|
/* PAIR_DHKEY_CHCK */{SMP_SEND_DHKEY_CHECK, SMP_SM_NO_ACTION, SMP_STATE_ENCRYPTION_PENDING},
|
|
};
|
|
|
|
static const UINT8 smp_slave_enc_pending_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* ENC_REQ */ {SMP_GENERATE_STK, SMP_SM_NO_ACTION, SMP_STATE_ENCRYPTION_PENDING},
|
|
|
|
/* STK ready */
|
|
/* KEY_READY */ {SMP_SEND_LTK_REPLY, SMP_SM_NO_ACTION, SMP_STATE_ENCRYPTION_PENDING},
|
|
/* ENCRYPTED */ {SMP_CHECK_AUTH_REQ, SMP_SM_NO_ACTION, SMP_STATE_ENCRYPTION_PENDING},
|
|
/* BOND_REQ */ {SMP_KEY_DISTRIBUTE, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING}
|
|
};
|
|
static const UINT8 smp_slave_bond_pending_table[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
|
|
/* LTK ready */
|
|
/* KEY_READY */{ SMP_SEND_ENC_INFO, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING},
|
|
|
|
/* rev SRK */
|
|
/* SIGN_INFO */{ SMP_PROC_SRK_INFO, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING},
|
|
/* ENC_INFO */ { SMP_PROC_ENC_INFO, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING},
|
|
/* ID_INFO */ { SMP_PROC_ID_INFO, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING},
|
|
/* MASTER_ID*/ { SMP_PROC_MASTER_ID, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING},
|
|
/* ID_ADDR */ { SMP_PROC_ID_ADDR, SMP_SM_NO_ACTION, SMP_STATE_BOND_PENDING}
|
|
|
|
};
|
|
|
|
static const UINT8 smp_slave_create_local_sec_conn_oob_data[][SMP_SM_NUM_COLS] = {
|
|
/* Event Action Next State */
|
|
/* LOC_PUBL_KEY_CRTD */ {SMP_SET_LOCAL_OOB_KEYS, SMP_SM_NO_ACTION, SMP_STATE_CREATE_LOCAL_SEC_CONN_OOB_DATA},
|
|
/* HAVE_LOC_NONCE */ {SMP_SET_LOCAL_OOB_RAND_COMMITMENT, SMP_SM_NO_ACTION, SMP_STATE_IDLE}
|
|
};
|
|
|
|
static const tSMP_SM_TBL smp_state_table[][2] = {
|
|
/* SMP_STATE_IDLE */
|
|
{smp_master_idle_table, smp_slave_idle_table},
|
|
|
|
/* SMP_STATE_WAIT_APP_RSP */
|
|
{smp_master_wait_for_app_response_table, smp_slave_wait_for_app_response_table},
|
|
|
|
/* SMP_STATE_SEC_REQ_PENDING */
|
|
{NULL, smp_slave_sec_request_table},
|
|
|
|
/* SMP_STATE_PAIR_REQ_RSP */
|
|
{smp_master_pair_request_response_table, smp_slave_pair_request_response_table},
|
|
|
|
/* SMP_STATE_WAIT_CONFIRM */
|
|
{smp_master_wait_for_confirm_table, smp_slave_wait_confirm_table},
|
|
|
|
/* SMP_STATE_CONFIRM */
|
|
{smp_master_confirm_table, smp_slave_confirm_table},
|
|
|
|
/* SMP_STATE_RAND */
|
|
{smp_master_rand_table, smp_slave_rand_table},
|
|
|
|
/* SMP_STATE_PUBLIC_KEY_EXCH */
|
|
{smp_master_public_key_exchange_table, smp_slave_public_key_exch_table},
|
|
|
|
/* SMP_STATE_SEC_CONN_PHS1_START */
|
|
{smp_master_sec_conn_phs1_start_table, smp_slave_sec_conn_phs1_start_table},
|
|
|
|
/* SMP_STATE_WAIT_COMMITMENT */
|
|
{smp_master_wait_commitment_table, smp_slave_wait_commitment_table},
|
|
|
|
/* SMP_STATE_WAIT_NONCE */
|
|
{smp_master_wait_nonce_table, smp_slave_wait_nonce_table},
|
|
|
|
/* SMP_STATE_SEC_CONN_PHS2_START */
|
|
{smp_master_sec_conn_phs2_start_table, smp_slave_sec_conn_phs2_start_table},
|
|
|
|
/* SMP_STATE_WAIT_DHK_CHECK */
|
|
{smp_master_wait_dhk_check_table, smp_slave_wait_dhk_check_table},
|
|
|
|
/* SMP_STATE_DHK_CHECK */
|
|
{smp_master_dhk_check_table, smp_slave_dhk_check_table},
|
|
|
|
/* SMP_STATE_ENCRYPTION_PENDING */
|
|
{smp_master_enc_pending_table, smp_slave_enc_pending_table},
|
|
|
|
/* SMP_STATE_BOND_PENDING */
|
|
{smp_master_bond_pending_table, smp_slave_bond_pending_table},
|
|
|
|
/* SMP_STATE_CREATE_LOCAL_SEC_CONN_OOB_DATA */
|
|
{smp_master_create_local_sec_conn_oob_data, smp_slave_create_local_sec_conn_oob_data}
|
|
};
|
|
|
|
typedef const UINT8 (*tSMP_ENTRY_TBL)[SMP_STATE_MAX];
|
|
static const tSMP_ENTRY_TBL smp_entry_table[] = {
|
|
smp_master_entry_map,
|
|
smp_slave_entry_map
|
|
};
|
|
|
|
#if SMP_DYNAMIC_MEMORY == FALSE
|
|
tSMP_CB smp_cb;
|
|
#endif
|
|
#define SMP_ALL_TBL_MASK 0x80
|
|
|
|
/*******************************************************************************
|
|
** Function smp_set_state
|
|
** Returns None
|
|
*******************************************************************************/
|
|
void smp_set_state(tSMP_STATE state)
|
|
{
|
|
if (state < SMP_STATE_MAX) {
|
|
SMP_TRACE_DEBUG( "State change: %s(%d) ==> %s(%d)",
|
|
smp_get_state_name(smp_cb.state), smp_cb.state,
|
|
smp_get_state_name(state), state );
|
|
smp_cb.state = state;
|
|
} else {
|
|
SMP_TRACE_DEBUG("smp_set_state invalid state =%d", state );
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
** Function smp_get_state
|
|
** Returns The smp state
|
|
*******************************************************************************/
|
|
tSMP_STATE smp_get_state(void)
|
|
{
|
|
return smp_cb.state;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function smp_sm_event
|
|
**
|
|
** Description Handle events to the state machine. It looks up the entry
|
|
** in the smp_entry_table array.
|
|
** If it is a valid entry, it gets the state table.Set the next state,
|
|
** if not NULL state.Execute the action function according to the
|
|
** state table. If the state returned by action function is not NULL
|
|
** state, adjust the new state to the returned state.If (api_evt != MAX),
|
|
** call callback function.
|
|
**
|
|
** Returns void.
|
|
**
|
|
*******************************************************************************/
|
|
void smp_sm_event(tSMP_CB *p_cb, tSMP_EVENT event, void *p_data)
|
|
{
|
|
UINT8 curr_state = p_cb->state;
|
|
tSMP_SM_TBL state_table;
|
|
UINT8 action, entry, i;
|
|
tSMP_ENTRY_TBL entry_table = smp_entry_table[p_cb->role];
|
|
|
|
SMP_TRACE_EVENT("main smp_sm_event\n");
|
|
if (curr_state >= SMP_STATE_MAX) {
|
|
SMP_TRACE_DEBUG( "Invalid state: %d\n", curr_state) ;
|
|
return;
|
|
}
|
|
|
|
SMP_TRACE_DEBUG( "SMP Role: %s State: [%s (%d)], Event: [%s (%d)]", \
|
|
(p_cb->role == 0x01) ? "Slave" : "Master\n", smp_get_state_name( p_cb->state),
|
|
p_cb->state, smp_get_event_name(event), event) ;
|
|
|
|
/* look up the state table for the current state */
|
|
/* lookup entry /w event & curr_state */
|
|
/* If entry is ignore, return.
|
|
* Otherwise, get state table (according to curr_state or all_state) */
|
|
if ((event <= SMP_MAX_EVT) && ( (entry = entry_table[event - 1][curr_state]) != SMP_SM_IGNORE )) {
|
|
if (entry & SMP_ALL_TBL_MASK) {
|
|
entry &= ~SMP_ALL_TBL_MASK;
|
|
state_table = smp_all_table;
|
|
} else {
|
|
state_table = smp_state_table[curr_state][p_cb->role];
|
|
}
|
|
} else {
|
|
SMP_TRACE_DEBUG( "Ignore event [%s (%d)] in state [%s (%d)]\n",
|
|
smp_get_event_name(event), event, smp_get_state_name(curr_state),
|
|
curr_state);
|
|
return;
|
|
}
|
|
|
|
/* Get possible next state from state table. */
|
|
|
|
smp_set_state(state_table[entry - 1][SMP_SME_NEXT_STATE]);
|
|
|
|
/* If action is not ignore, clear param, exec action and get next state.
|
|
* The action function may set the Param for cback.
|
|
* Depending on param, call cback or free buffer. */
|
|
/* execute action */
|
|
/* execute action functions */
|
|
for (i = 0; i < SMP_NUM_ACTIONS; i++) {
|
|
if ((action = state_table[entry - 1][i]) != SMP_SM_NO_ACTION) {
|
|
(*smp_sm_action[action])(p_cb, (tSMP_INT_DATA *)p_data);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
SMP_TRACE_DEBUG( "result state = %s\n", smp_get_state_name( p_cb->state ) ) ;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
** Function smp_get_state_name
|
|
** Returns The smp state name.
|
|
*******************************************************************************/
|
|
const char *smp_get_state_name(tSMP_STATE state)
|
|
{
|
|
const char *p_str = smp_state_name[SMP_STATE_MAX];
|
|
|
|
if (state < SMP_STATE_MAX) {
|
|
p_str = smp_state_name[state];
|
|
}
|
|
return p_str;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
** Function smp_get_event_name
|
|
** Returns The smp event name.
|
|
*******************************************************************************/
|
|
const char *smp_get_event_name(tSMP_EVENT event)
|
|
{
|
|
const char *p_str = smp_event_name[SMP_MAX_EVT];
|
|
|
|
if (event <= SMP_MAX_EVT) {
|
|
p_str = smp_event_name[event - 1];
|
|
}
|
|
return p_str;
|
|
}
|
|
|
|
#endif
|
|
|