/****************************************************************************** * * Copyright 1999-2012 Broadcom Corporation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ /****************************************************************************** * * This file contains internally used SMP definitions * ******************************************************************************/ #ifndef SMP_INT_H #define SMP_INT_H #include "btm_api.h" #include "btm_ble_api.h" #include "btu.h" #include "smp_api.h" #include "stack/crypto_toolbox/crypto_toolbox.h" typedef enum : uint8_t { /* Legacy mode */ SMP_MODEL_ENCRYPTION_ONLY = 0, /* Just Works model */ SMP_MODEL_PASSKEY = 1, /* Passkey Entry model, input the key */ SMP_MODEL_OOB = 2, /* OOB model */ SMP_MODEL_KEY_NOTIF = 3, /* Passkey Entry model, display the key */ /* Secure connections mode */ SMP_MODEL_SEC_CONN_JUSTWORKS = 4, /* Just Works model */ SMP_MODEL_SEC_CONN_NUM_COMP = 5, /* Numeric Comparison model */ SMP_MODEL_SEC_CONN_PASSKEY_ENT = 6, /* Passkey Entry model, */ /* this side inputs the key */ SMP_MODEL_SEC_CONN_PASSKEY_DISP = 7, /* Passkey Entry model, */ /* this side displays the key */ SMP_MODEL_SEC_CONN_OOB = 8, /* Secure Connections mode, OOB model */ SMP_MODEL_OUT_OF_RANGE = 9, } tSMP_ASSO_MODEL; #ifndef SMP_MAX_CONN #define SMP_MAX_CONN 2 #endif #define SMP_WAIT_FOR_RSP_TIMEOUT_MS (30 * 1000) #define SMP_DELAYED_AUTH_TIMEOUT_MS 500 #define SMP_OPCODE_INIT 0x04 /* SMP events */ typedef enum : uint8_t { SMP_NOP_EVT = 0, SMP_CONFIRM_EVT = SMP_OPCODE_CONFIRM, // 0x03 SMP_RAND_EVT = SMP_OPCODE_RAND, // 0x04 SMP_PAIR_COMMITM_EVT = SMP_OPCODE_PAIR_COMMITM, // 0x0f SMP_SELF_DEF_EVT = (SMP_PAIR_COMMITM_EVT + 1), // 0x10 SMP_KEY_READY_EVT = (SMP_SELF_DEF_EVT), // 0x04 SMP_ENCRYPTED_EVT = (SMP_SELF_DEF_EVT + 1), // 0x05 SMP_L2CAP_CONN_EVT = (SMP_SELF_DEF_EVT + 2), // 0x06 SMP_L2CAP_DISCONN_EVT = (SMP_SELF_DEF_EVT + 3), // 0x07 SMP_IO_RSP_EVT = (SMP_SELF_DEF_EVT + 4), // 0x08 SMP_API_SEC_GRANT_EVT = (SMP_SELF_DEF_EVT + 5), // 0x09 SMP_TK_REQ_EVT = (SMP_SELF_DEF_EVT + 6), // 0x0a SMP_AUTH_CMPL_EVT = (SMP_SELF_DEF_EVT + 7), // 0x0b SMP_ENC_REQ_EVT = (SMP_SELF_DEF_EVT + 8), // 0x0c SMP_BOND_REQ_EVT = (SMP_SELF_DEF_EVT + 9), // 0x0d SMP_DISCARD_SEC_REQ_EVT = (SMP_SELF_DEF_EVT + 10), // 0x0e SMP_BR_PAIR_KEYPR_NOTIF_EVT = SMP_OPCODE_PAIR_KEYPR_NOTIF, /* not over BR/EDR */ // 0x0e SMP_BR_SELF_DEF_EVT = SMP_BR_PAIR_KEYPR_NOTIF_EVT, // 0x0e SMP_BR_KEY_READY_EVT = (SMP_BR_SELF_DEF_EVT + 1), // 0x0f SMP_BR_ENCRYPTED_EVT = (SMP_BR_SELF_DEF_EVT + 2), // 0x10 SMP_BR_L2CAP_CONN_EVT = (SMP_BR_SELF_DEF_EVT + 3), // 0x11 SMP_BR_L2CAP_DISCONN_EVT = (SMP_BR_SELF_DEF_EVT + 4), // 0x12 SMP_BR_KEYS_RSP_EVT = (SMP_BR_SELF_DEF_EVT + 5), // 0x13 SMP_BR_API_SEC_GRANT_EVT = (SMP_BR_SELF_DEF_EVT + 6), // 0x14 SMP_BR_TK_REQ_EVT = (SMP_BR_SELF_DEF_EVT + 7), // 0x15 SMP_BR_AUTH_CMPL_EVT = (SMP_BR_SELF_DEF_EVT + 8), // 0x16 SMP_BR_ENC_REQ_EVT = (SMP_BR_SELF_DEF_EVT + 9), // 0x17 SMP_BR_BOND_REQ_EVT = (SMP_BR_SELF_DEF_EVT + 10), // 0x18 SMP_BR_DISCARD_SEC_REQ_EVT = (SMP_BR_SELF_DEF_EVT + 11), // 0x19 SMP_BR_MAX_EVT = (SMP_BR_SELF_DEF_EVT + 12), // 0x1a SMP_PAIR_DHKEY_CHCK_EVT = SMP_OPCODE_PAIR_DHKEY_CHECK, // 0x0d /* request to start public key exchange */ SMP_PUBL_KEY_EXCH_REQ_EVT = (SMP_SELF_DEF_EVT + 11), // 0x1b /* local public key created */ SMP_LOC_PUBL_KEY_CRTD_EVT = (SMP_SELF_DEF_EVT + 12), // 0x1c /* both local and peer public keys are saved in cb */ SMP_BOTH_PUBL_KEYS_RCVD_EVT = (SMP_SELF_DEF_EVT + 13), // 0x1d /* DHKey computation is completed, time to start SC phase1 */ SMP_SC_DHKEY_CMPLT_EVT = (SMP_SELF_DEF_EVT + 14), // 0x1d /* new local nonce is generated and saved in p_cb->rand */ SMP_HAVE_LOC_NONCE_EVT = (SMP_SELF_DEF_EVT + 15), // 0x1f /* time to start SC phase2 */ SMP_SC_PHASE1_CMPLT_EVT = (SMP_SELF_DEF_EVT + 16), // 0x20 /* request to calculate number for user check. Used only in the numeric * compare protocol */ SMP_SC_CALC_NC_EVT = (SMP_SELF_DEF_EVT + 17), // 0x21 /* Request to display the number for user check to the user.*/ /* Used only in the numeric compare protocol */ SMP_SC_DSPL_NC_EVT = (SMP_SELF_DEF_EVT + 18), // 0x22 /* user confirms 'OK' numeric comparison request */ SMP_SC_NC_OK_EVT = (SMP_SELF_DEF_EVT + 19), // 0x23 /* both local and peer DHKey Checks are already present - it is used on * peripheral to prevent a race condition */ SMP_SC_2_DHCK_CHKS_PRES_EVT = (SMP_SELF_DEF_EVT + 20), // 0x24 /* same meaning as SMP_KEY_READY_EVT to separate between SC and legacy actions */ SMP_SC_KEY_READY_EVT = (SMP_SELF_DEF_EVT + 21), // 0x25 SMP_KEYPRESS_NOTIFICATION_EVENT = (SMP_SELF_DEF_EVT + 22), // 0x26 /* SC OOB data from some repository is provided */ SMP_SC_OOB_DATA_EVT = (SMP_SELF_DEF_EVT + 23), // 0x27 SMP_CR_LOC_SC_OOB_DATA_EVT = (SMP_SELF_DEF_EVT + 24), // 0x28 SMP_MAX_EVT = SMP_CR_LOC_SC_OOB_DATA_EVT, // 0x28 } tSMP_EVENT; typedef tSMP_EVENT tSMP_BR_EVENT; /* Assumption it's only using the low 8 bits, if bigger than that, need to * expand it to 16 bits */ #define SMP_SEC_KEY_MASK 0x00ff /* SMP pairing state */ enum { SMP_STATE_IDLE, SMP_STATE_WAIT_APP_RSP, SMP_STATE_SEC_REQ_PENDING, SMP_STATE_PAIR_REQ_RSP, SMP_STATE_WAIT_CONFIRM, SMP_STATE_CONFIRM, SMP_STATE_RAND, SMP_STATE_PUBLIC_KEY_EXCH, SMP_STATE_SEC_CONN_PHS1_START, SMP_STATE_WAIT_COMMITMENT, SMP_STATE_WAIT_NONCE, SMP_STATE_SEC_CONN_PHS2_START, SMP_STATE_WAIT_DHK_CHECK, SMP_STATE_DHK_CHECK, SMP_STATE_ENCRYPTION_PENDING, SMP_STATE_BOND_PENDING, SMP_STATE_CREATE_LOCAL_SEC_CONN_OOB_DATA, SMP_STATE_MAX }; typedef uint8_t tSMP_STATE; /* SMP over BR/EDR pairing states */ enum { SMP_BR_STATE_IDLE = SMP_STATE_IDLE, SMP_BR_STATE_WAIT_APP_RSP, SMP_BR_STATE_PAIR_REQ_RSP, SMP_BR_STATE_BOND_PENDING, SMP_BR_STATE_MAX }; typedef uint8_t tSMP_BR_STATE; enum { SMP_KEY_TYPE_TK, SMP_KEY_TYPE_CFM, SMP_KEY_TYPE_CMP, SMP_KEY_TYPE_PEER_DHK_CHCK, SMP_KEY_TYPE_STK, SMP_KEY_TYPE_LTK }; typedef struct { uint8_t key_type; uint8_t* p_data; } tSMP_KEY; typedef union { uint8_t* p_data; /* uint8_t type data pointer */ tSMP_KEY key; tSMP_STATUS status; uint32_t passkey; tSMP_OOB_DATA_TYPE req_oob_type; } tSMP_INT_DATA; /* internal status mask */ #define SMP_PAIR_FLAGS_WE_STARTED_DD (1) #define SMP_PAIR_FLAGS_PEER_STARTED_DD (1 << 1) #define SMP_PAIR_FLAGS_CMD_CONFIRM (1 << SMP_OPCODE_CONFIRM) /* 1 << 3 */ #define SMP_PAIR_FLAG_ENC_AFTER_PAIR (1 << 4) #define SMP_PAIR_FLAG_HAVE_PEER_DHK_CHK \ (1 << 5) /* used on peripheral to resolve race condition */ #define SMP_PAIR_FLAG_HAVE_PEER_PUBL_KEY \ (1 << 6) /* used on peripheral to resolve race condition */ #define SMP_PAIR_FLAG_HAVE_PEER_COMM \ (1 << 7) /* used to resolve race condition */ #define SMP_PAIR_FLAG_HAVE_LOCAL_PUBL_KEY \ (1 << 8) /* used on peripheral to resolve race condition */ /* check if authentication requirement need MITM protection */ #define SMP_NO_MITM_REQUIRED(x) (((x)&SMP_AUTH_YN_BIT) == 0) typedef struct { RawAddress bd_addr; BT_HDR* p_copy; } tSMP_REQ_Q_ENTRY; /* SMP control block */ typedef struct { tSMP_CALLBACK* p_callback; alarm_t* smp_rsp_timer_ent; uint8_t trace_level; RawAddress pairing_bda; tSMP_STATE state; bool derive_lk; bool id_addr_rcvd; tBLE_ADDR_TYPE id_addr_type; RawAddress id_addr; bool smp_over_br; tSMP_BR_STATE br_state; /* if SMP over BR/ERD has priority over SMP */ uint8_t failure; tSMP_STATUS status; uint8_t role; uint16_t flags; tSMP_EVT cb_evt; tSMP_SEC_LEVEL sec_level; bool connect_initialized; Octet16 confirm; Octet16 rconfirm; Octet16 rrand; /* for SC this is peer nonce */ Octet16 rand; /* for SC this is local nonce */ BT_OCTET32 private_key; BT_OCTET32 dhkey; Octet16 commitment; Octet16 remote_commitment; Octet16 local_random; /* local randomizer - passkey or OOB randomizer */ Octet16 peer_random; /* peer randomizer - passkey or OOB randomizer */ Octet16 dhkey_check; Octet16 remote_dhkey_check; tSMP_PUBLIC_KEY loc_publ_key; tSMP_PUBLIC_KEY peer_publ_key; tSMP_OOB_DATA_TYPE req_oob_type; tSMP_SC_OOB_DATA sc_oob_data; tSMP_IO_CAP peer_io_caps; tSMP_IO_CAP local_io_capability; tSMP_OOB_FLAG peer_oob_flag; tSMP_OOB_FLAG loc_oob_flag; tSMP_AUTH_REQ peer_auth_req; tSMP_AUTH_REQ loc_auth_req; bool secure_connections_only_mode_required; /* true if locally SM is required to operate */ /* either in Secure Connections mode or not at all */ tSMP_ASSO_MODEL selected_association_model; bool le_secure_connections_mode_is_used; bool key_derivation_h7_used; bool le_sc_kp_notif_is_used; tSMP_SC_KEY_TYPE local_keypress_notification; tSMP_SC_KEY_TYPE peer_keypress_notification; uint8_t round; /* authentication stage 1 round for passkey association model */ uint32_t number_to_display; Octet16 mac_key; uint8_t peer_enc_size; uint8_t loc_enc_size; uint8_t peer_i_key; uint8_t peer_r_key; uint8_t local_i_key; uint8_t local_r_key; Octet16 tk; Octet16 ltk; uint16_t div; Octet16 csrk; /* storage for local CSRK */ uint16_t ediv; BT_OCTET8 enc_rand; tBLE_ADDR_TYPE addr_type; RawAddress local_bda; bool is_pair_cancel; bool discard_sec_req; uint8_t rcvd_cmd_code; uint8_t rcvd_cmd_len; uint16_t total_tx_unacked; bool wait_for_authorization_complete; tSMP_STATUS cert_failure; /*failure case for certification */ alarm_t* delayed_auth_timer_ent; } tSMP_CB; /* Server Action functions are of this type */ typedef void (*tSMP_ACT)(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern tSMP_CB smp_cb; /* Functions provided by att_main.cc */ extern void smp_init(void); /* smp main */ extern void smp_sm_event(tSMP_CB* p_cb, tSMP_EVENT event, tSMP_INT_DATA* p_data); extern tSMP_STATE smp_get_state(void); extern void smp_set_state(tSMP_STATE state); /* smp_br_main */ extern void smp_br_state_machine_event(tSMP_CB* p_cb, tSMP_BR_EVENT event, tSMP_INT_DATA* p_data); extern tSMP_BR_STATE smp_get_br_state(void); extern void smp_set_br_state(tSMP_BR_STATE state); /* smp_act.cc */ extern void smp_send_pair_req(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_send_confirm(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_send_pair_fail(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_send_rand(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_send_pair_public_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_send_commitment(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_send_dhkey_check(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_send_keypress_notification(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_pair_fail(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_confirm(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_rand(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_process_pairing_public_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_enc_info(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_central_id(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_id_info(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_id_addr(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_sec_grant(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_sec_req(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_sl_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_start_enc(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_enc_cmpl(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_discard(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_pairing_cmpl(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_decide_association_model(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_send_app_cback(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_compare(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_check_auth_req(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_process_io_response(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_send_id_info(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_send_enc_info(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_send_csrk_info(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_send_ltk_reply(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_pair_cmd(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_pair_terminate(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_idle_terminate(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_send_pair_rsp(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_key_distribution(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_proc_srk_info(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_generate_csrk(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_key_pick_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_both_have_public_keys(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_start_secure_connection_phase1(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_process_local_nonce(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_process_pairing_commitment(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_process_peer_nonce(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_process_dhkey_check(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_match_dhkey_checks(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_process_keypress_notification(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_move_to_secure_connections_phase2(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_phase_2_dhkey_checks_are_present(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_wait_for_both_public_keys(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_start_passkey_verification(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_process_secure_connection_oob_data(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_process_secure_connection_long_term_key(void); extern void smp_set_local_oob_keys(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_set_local_oob_random_commitment(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_set_derive_link_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_derive_link_key_from_long_term_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_br_process_pairing_command(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_br_process_security_grant(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_br_process_peripheral_keys_response(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_br_send_pair_response(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_br_check_authorization_request(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_br_select_next_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_br_process_link_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_key_distribution_by_transport(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_br_pairing_complete(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); /* smp_l2c */ extern void smp_l2cap_if_init(void); extern void smp_data_ind(const RawAddress& bd_addr, BT_HDR* p_buf); /* smp_util.cc */ extern void smp_log_metrics(const RawAddress& bd_addr, bool is_outgoing, const uint8_t* p_buf, size_t buf_len); extern bool smp_send_cmd(uint8_t cmd_code, tSMP_CB* p_cb); extern void smp_cb_cleanup(tSMP_CB* p_cb); extern void smp_reset_control_value(tSMP_CB* p_cb); extern void smp_proc_pairing_cmpl(tSMP_CB* p_cb); extern void smp_convert_string_to_tk(Octet16* tk, uint32_t passkey); extern void smp_mask_enc_key(uint8_t loc_enc_size, Octet16* p_data); extern void smp_rsp_timeout(void* data); extern void smp_delayed_auth_complete_timeout(void* data); extern bool smp_command_has_invalid_length(tSMP_CB* p_cb); extern bool smp_command_has_invalid_parameters(tSMP_CB* p_cb); extern void smp_reject_unexpected_pairing_command(const RawAddress& bd_addr); extern tSMP_ASSO_MODEL smp_select_association_model(tSMP_CB* p_cb); extern uint8_t smp_calculate_random_input(uint8_t* random, uint8_t round); extern void smp_collect_local_io_capabilities(uint8_t* iocap, tSMP_CB* p_cb); extern void smp_collect_peer_io_capabilities(uint8_t* iocap, tSMP_CB* p_cb); extern void smp_collect_local_ble_address(uint8_t* le_addr, tSMP_CB* p_cb); extern void smp_collect_peer_ble_address(uint8_t* le_addr, tSMP_CB* p_cb); extern bool smp_check_commitment(tSMP_CB* p_cb); extern void smp_save_secure_connections_long_term_key(tSMP_CB* p_cb); extern void smp_calculate_f5_mackey_and_long_term_key(tSMP_CB* p_cb); extern void smp_remove_fixed_channel(tSMP_CB* p_cb); extern bool smp_request_oob_data(tSMP_CB* p_cb); /* smp_keys.cc */ extern void smp_generate_srand_mrand_confirm(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_generate_compare(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_generate_stk(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_generate_ltk(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_generate_passkey(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_generate_rand_cont(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_create_private_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_use_oob_private_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_compute_dhkey(tSMP_CB* p_cb); extern void smp_calculate_local_commitment(tSMP_CB* p_cb); extern Octet16 smp_calculate_peer_commitment(tSMP_CB* p_cb); extern void smp_calculate_numeric_comparison_display_number( tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_calculate_local_dhkey_check(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_calculate_peer_dhkey_check(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); extern void smp_start_nonce_generation(tSMP_CB* p_cb); extern bool smp_calculate_link_key_from_long_term_key(tSMP_CB* p_cb); extern bool smp_calculate_long_term_key_from_link_key(tSMP_CB* p_cb); extern void print128(const Octet16& x, const uint8_t* key_name); extern void smp_xor_128(Octet16* a, const Octet16& b); /* Save the p_cb->sc_oob_data.loc_oob_data for later, since the p_cb gets * cleaned up */ extern void smp_save_local_oob_data(tSMP_CB* p_cb); extern void smp_clear_local_oob_data(); #endif /* SMP_INT_H */