1 /****************************************************************************** 2 * 3 * Copyright 1999-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /****************************************************************************** 20 * 21 * This file contains internally used SMP definitions 22 * 23 ******************************************************************************/ 24 #ifndef SMP_INT_H 25 #define SMP_INT_H 26 27 #include "btm_api.h" 28 #include "btm_ble_api.h" 29 #include "btu.h" 30 #include "smp_api.h" 31 32 /* Legacy mode */ 33 #define SMP_MODEL_ENCRYPTION_ONLY 0 /* Just Works model */ 34 #define SMP_MODEL_PASSKEY 1 /* Passkey Entry model, input the key */ 35 #define SMP_MODEL_OOB 2 /* OOB model */ 36 #define SMP_MODEL_KEY_NOTIF 3 /* Passkey Entry model, display the key */ 37 /* Secure connections mode */ 38 #define SMP_MODEL_SEC_CONN_JUSTWORKS 4 /* Just Works model */ 39 #define SMP_MODEL_SEC_CONN_NUM_COMP 5 /* Numeric Comparison model */ 40 #define SMP_MODEL_SEC_CONN_PASSKEY_ENT 6 /* Passkey Entry model, */ 41 /* this side inputs the key */ 42 #define SMP_MODEL_SEC_CONN_PASSKEY_DISP 7 /* Passkey Entry model, */ 43 /* this side displays the key */ 44 #define SMP_MODEL_SEC_CONN_OOB 8 /* Secure Connections mode, OOB model */ 45 #define SMP_MODEL_OUT_OF_RANGE 9 46 typedef uint8_t tSMP_ASSO_MODEL; 47 48 #ifndef SMP_MAX_CONN 49 #define SMP_MAX_CONN 2 50 #endif 51 52 #define SMP_WAIT_FOR_RSP_TIMEOUT_MS (30 * 1000) 53 #define SMP_DELAYED_AUTH_TIMEOUT_MS 500 54 55 #define SMP_OPCODE_INIT 0x04 56 57 /* SMP events */ 58 #define SMP_PAIRING_REQ_EVT SMP_OPCODE_PAIRING_REQ 59 #define SMP_PAIRING_RSP_EVT SMP_OPCODE_PAIRING_RSP 60 #define SMP_CONFIRM_EVT SMP_OPCODE_CONFIRM 61 #define SMP_RAND_EVT SMP_OPCODE_RAND 62 #define SMP_PAIRING_FAILED_EVT SMP_OPCODE_PAIRING_FAILED 63 #define SMP_ENCRPTION_INFO_EVT SMP_OPCODE_ENCRYPT_INFO 64 #define SMP_MASTER_ID_EVT SMP_OPCODE_MASTER_ID 65 #define SMP_ID_INFO_EVT SMP_OPCODE_IDENTITY_INFO 66 #define SMP_ID_ADDR_EVT SMP_OPCODE_ID_ADDR 67 #define SMP_SIGN_INFO_EVT SMP_OPCODE_SIGN_INFO 68 #define SMP_SECURITY_REQ_EVT SMP_OPCODE_SEC_REQ 69 70 #define SMP_PAIR_PUBLIC_KEY_EVT SMP_OPCODE_PAIR_PUBLIC_KEY 71 #define SMP_PAIR_KEYPRESS_NOTIFICATION_EVT SMP_OPCODE_PAIR_KEYPR_NOTIF 72 73 #define SMP_PAIR_COMMITM_EVT SMP_OPCODE_PAIR_COMMITM 74 75 #define SMP_SELF_DEF_EVT (SMP_PAIR_COMMITM_EVT + 1) 76 #define SMP_KEY_READY_EVT (SMP_SELF_DEF_EVT) 77 #define SMP_ENCRYPTED_EVT (SMP_SELF_DEF_EVT + 1) 78 #define SMP_L2CAP_CONN_EVT (SMP_SELF_DEF_EVT + 2) 79 #define SMP_L2CAP_DISCONN_EVT (SMP_SELF_DEF_EVT + 3) 80 #define SMP_IO_RSP_EVT (SMP_SELF_DEF_EVT + 4) 81 #define SMP_API_SEC_GRANT_EVT (SMP_SELF_DEF_EVT + 5) 82 #define SMP_TK_REQ_EVT (SMP_SELF_DEF_EVT + 6) 83 #define SMP_AUTH_CMPL_EVT (SMP_SELF_DEF_EVT + 7) 84 #define SMP_ENC_REQ_EVT (SMP_SELF_DEF_EVT + 8) 85 #define SMP_BOND_REQ_EVT (SMP_SELF_DEF_EVT + 9) 86 #define SMP_DISCARD_SEC_REQ_EVT (SMP_SELF_DEF_EVT + 10) 87 88 #define SMP_PAIR_DHKEY_CHCK_EVT SMP_OPCODE_PAIR_DHKEY_CHECK 89 90 /* request to start public key exchange */ 91 #define SMP_PUBL_KEY_EXCH_REQ_EVT (SMP_SELF_DEF_EVT + 11) 92 93 /* local public key created */ 94 #define SMP_LOC_PUBL_KEY_CRTD_EVT (SMP_SELF_DEF_EVT + 12) 95 96 /* both local and peer public keys are saved in cb */ 97 #define SMP_BOTH_PUBL_KEYS_RCVD_EVT (SMP_SELF_DEF_EVT + 13) 98 99 /* DHKey computation is completed, time to start SC phase1 */ 100 #define SMP_SC_DHKEY_CMPLT_EVT (SMP_SELF_DEF_EVT + 14) 101 102 /* new local nonce is generated and saved in p_cb->rand */ 103 #define SMP_HAVE_LOC_NONCE_EVT (SMP_SELF_DEF_EVT + 15) 104 105 /* time to start SC phase2 */ 106 #define SMP_SC_PHASE1_CMPLT_EVT (SMP_SELF_DEF_EVT + 16) 107 108 /* request to calculate number for user check. Used only in the numeric compare 109 * protocol */ 110 #define SMP_SC_CALC_NC_EVT (SMP_SELF_DEF_EVT + 17) 111 112 /* Request to display the number for user check to the user.*/ 113 /* Used only in the numeric compare protocol */ 114 #define SMP_SC_DSPL_NC_EVT (SMP_SELF_DEF_EVT + 18) 115 116 /* user confirms 'OK' numeric comparison request */ 117 #define SMP_SC_NC_OK_EVT (SMP_SELF_DEF_EVT + 19) 118 119 /* both local and peer DHKey Checks are already present - it is used on slave to 120 * prevent a race condition */ 121 #define SMP_SC_2_DHCK_CHKS_PRES_EVT (SMP_SELF_DEF_EVT + 20) 122 123 /* same meaning as SMP_KEY_READY_EVT to separate between SC and legacy actions 124 */ 125 #define SMP_SC_KEY_READY_EVT (SMP_SELF_DEF_EVT + 21) 126 #define SMP_KEYPRESS_NOTIFICATION_EVENT (SMP_SELF_DEF_EVT + 22) 127 128 /* SC OOB data from some repository is provided */ 129 #define SMP_SC_OOB_DATA_EVT (SMP_SELF_DEF_EVT + 23) 130 131 #define SMP_CR_LOC_SC_OOB_DATA_EVT (SMP_SELF_DEF_EVT + 24) 132 #define SMP_MAX_EVT SMP_CR_LOC_SC_OOB_DATA_EVT 133 134 typedef uint8_t tSMP_EVENT; 135 136 /* Assumption it's only using the low 8 bits, if bigger than that, need to 137 * expand it to 16 bits */ 138 #define SMP_SEC_KEY_MASK 0x00ff 139 140 /* SMP pairing state */ 141 enum { 142 SMP_STATE_IDLE, 143 SMP_STATE_WAIT_APP_RSP, 144 SMP_STATE_SEC_REQ_PENDING, 145 SMP_STATE_PAIR_REQ_RSP, 146 SMP_STATE_WAIT_CONFIRM, 147 SMP_STATE_CONFIRM, 148 SMP_STATE_RAND, 149 SMP_STATE_PUBLIC_KEY_EXCH, 150 SMP_STATE_SEC_CONN_PHS1_START, 151 SMP_STATE_WAIT_COMMITMENT, 152 SMP_STATE_WAIT_NONCE, 153 SMP_STATE_SEC_CONN_PHS2_START, 154 SMP_STATE_WAIT_DHK_CHECK, 155 SMP_STATE_DHK_CHECK, 156 SMP_STATE_ENCRYPTION_PENDING, 157 SMP_STATE_BOND_PENDING, 158 SMP_STATE_CREATE_LOCAL_SEC_CONN_OOB_DATA, 159 SMP_STATE_MAX 160 }; 161 typedef uint8_t tSMP_STATE; 162 163 /* SMP over BR/EDR events */ 164 #define SMP_BR_PAIRING_REQ_EVT SMP_OPCODE_PAIRING_REQ 165 #define SMP_BR_PAIRING_RSP_EVT SMP_OPCODE_PAIRING_RSP 166 #define SMP_BR_CONFIRM_EVT SMP_OPCODE_CONFIRM /* not over BR/EDR */ 167 #define SMP_BR_RAND_EVT SMP_OPCODE_RAND /* not over BR/EDR */ 168 #define SMP_BR_PAIRING_FAILED_EVT SMP_OPCODE_PAIRING_FAILED 169 #define SMP_BR_ENCRPTION_INFO_EVT \ 170 SMP_OPCODE_ENCRYPT_INFO /* not over BR/EDR \ 171 */ 172 #define SMP_BR_MASTER_ID_EVT SMP_OPCODE_MASTER_ID /* not over BR/EDR */ 173 #define SMP_BR_ID_INFO_EVT SMP_OPCODE_IDENTITY_INFO 174 #define SMP_BR_ID_ADDR_EVT SMP_OPCODE_ID_ADDR 175 #define SMP_BR_SIGN_INFO_EVT SMP_OPCODE_SIGN_INFO 176 #define SMP_BR_SECURITY_REQ_EVT SMP_OPCODE_SEC_REQ /* not over BR/EDR */ 177 #define SMP_BR_PAIR_PUBLIC_KEY_EVT \ 178 SMP_OPCODE_PAIR_PUBLIC_KEY /* not over BR/EDR */ 179 #define SMP_BR_PAIR_DHKEY_CHCK_EVT \ 180 SMP_OPCODE_PAIR_DHKEY_CHECK /* not over BR/EDR */ 181 #define SMP_BR_PAIR_KEYPR_NOTIF_EVT \ 182 SMP_OPCODE_PAIR_KEYPR_NOTIF /* not over BR/EDR */ 183 #define SMP_BR_SELF_DEF_EVT SMP_BR_PAIR_KEYPR_NOTIF_EVT 184 #define SMP_BR_KEY_READY_EVT (SMP_BR_SELF_DEF_EVT + 1) 185 #define SMP_BR_ENCRYPTED_EVT (SMP_BR_SELF_DEF_EVT + 2) 186 #define SMP_BR_L2CAP_CONN_EVT (SMP_BR_SELF_DEF_EVT + 3) 187 #define SMP_BR_L2CAP_DISCONN_EVT (SMP_BR_SELF_DEF_EVT + 4) 188 #define SMP_BR_KEYS_RSP_EVT (SMP_BR_SELF_DEF_EVT + 5) 189 #define SMP_BR_API_SEC_GRANT_EVT (SMP_BR_SELF_DEF_EVT + 6) 190 #define SMP_BR_TK_REQ_EVT (SMP_BR_SELF_DEF_EVT + 7) 191 #define SMP_BR_AUTH_CMPL_EVT (SMP_BR_SELF_DEF_EVT + 8) 192 #define SMP_BR_ENC_REQ_EVT (SMP_BR_SELF_DEF_EVT + 9) 193 #define SMP_BR_BOND_REQ_EVT (SMP_BR_SELF_DEF_EVT + 10) 194 #define SMP_BR_DISCARD_SEC_REQ_EVT (SMP_BR_SELF_DEF_EVT + 11) 195 #define SMP_BR_MAX_EVT (SMP_BR_SELF_DEF_EVT + 12) 196 typedef uint8_t tSMP_BR_EVENT; 197 198 /* SMP over BR/EDR pairing states */ 199 enum { 200 SMP_BR_STATE_IDLE = SMP_STATE_IDLE, 201 SMP_BR_STATE_WAIT_APP_RSP, 202 SMP_BR_STATE_PAIR_REQ_RSP, 203 SMP_BR_STATE_BOND_PENDING, 204 SMP_BR_STATE_MAX 205 }; 206 typedef uint8_t tSMP_BR_STATE; 207 208 enum { 209 SMP_KEY_TYPE_TK, 210 SMP_KEY_TYPE_CFM, 211 SMP_KEY_TYPE_CMP, 212 SMP_KEY_TYPE_PEER_DHK_CHCK, 213 SMP_KEY_TYPE_STK, 214 SMP_KEY_TYPE_LTK 215 }; 216 typedef struct { 217 uint8_t key_type; 218 uint8_t* p_data; 219 } tSMP_KEY; 220 221 typedef union { 222 uint8_t* p_data; /* uint8_t type data pointer */ 223 tSMP_KEY key; 224 uint8_t status; 225 uint16_t reason; 226 uint32_t passkey; 227 tSMP_OOB_DATA_TYPE req_oob_type; 228 } tSMP_INT_DATA; 229 230 /* internal status mask */ 231 #define SMP_PAIR_FLAGS_WE_STARTED_DD (1) 232 #define SMP_PAIR_FLAGS_PEER_STARTED_DD (1 << 1) 233 #define SMP_PAIR_FLAGS_CMD_CONFIRM (1 << SMP_OPCODE_CONFIRM) /* 1 << 3 */ 234 #define SMP_PAIR_FLAG_ENC_AFTER_PAIR (1 << 4) 235 #define SMP_PAIR_FLAG_HAVE_PEER_DHK_CHK \ 236 (1 << 5) /* used on slave to resolve race condition */ 237 #define SMP_PAIR_FLAG_HAVE_PEER_PUBL_KEY \ 238 (1 << 6) /* used on slave to resolve race condition */ 239 #define SMP_PAIR_FLAG_HAVE_PEER_COMM \ 240 (1 << 7) /* used to resolve race condition */ 241 #define SMP_PAIR_FLAG_HAVE_LOCAL_PUBL_KEY \ 242 (1 << 8) /* used on slave to resolve race condition */ 243 244 /* check if authentication requirement need MITM protection */ 245 #define SMP_NO_MITM_REQUIRED(x) (((x)&SMP_AUTH_YN_BIT) == 0) 246 247 #define SMP_ENCRYT_KEY_SIZE 16 248 #define SMP_ENCRYT_DATA_SIZE 16 249 #define SMP_ECNCRPYT_STATUS HCI_SUCCESS 250 251 typedef struct { 252 RawAddress bd_addr; 253 BT_HDR* p_copy; 254 } tSMP_REQ_Q_ENTRY; 255 256 /* SMP control block */ 257 typedef struct { 258 tSMP_CALLBACK* p_callback; 259 alarm_t* smp_rsp_timer_ent; 260 uint8_t trace_level; 261 RawAddress pairing_bda; 262 tSMP_STATE state; 263 bool derive_lk; 264 bool id_addr_rcvd; 265 tBLE_ADDR_TYPE id_addr_type; 266 RawAddress id_addr; 267 bool smp_over_br; 268 tSMP_BR_STATE br_state; /* if SMP over BR/ERD has priority over SMP */ 269 uint8_t failure; 270 uint8_t status; 271 uint8_t role; 272 uint16_t flags; 273 uint8_t cb_evt; 274 tSMP_SEC_LEVEL sec_level; 275 bool connect_initialized; 276 BT_OCTET16 confirm; 277 BT_OCTET16 rconfirm; 278 BT_OCTET16 rrand; /* for SC this is peer nonce */ 279 BT_OCTET16 rand; /* for SC this is local nonce */ 280 BT_OCTET32 private_key; 281 BT_OCTET32 dhkey; 282 BT_OCTET16 commitment; 283 BT_OCTET16 remote_commitment; 284 BT_OCTET16 local_random; /* local randomizer - passkey or OOB randomizer */ 285 BT_OCTET16 peer_random; /* peer randomizer - passkey or OOB randomizer */ 286 BT_OCTET16 dhkey_check; 287 BT_OCTET16 remote_dhkey_check; 288 tSMP_PUBLIC_KEY loc_publ_key; 289 tSMP_PUBLIC_KEY peer_publ_key; 290 tSMP_OOB_DATA_TYPE req_oob_type; 291 tSMP_SC_OOB_DATA sc_oob_data; 292 tSMP_IO_CAP peer_io_caps; 293 tSMP_IO_CAP local_io_capability; 294 tSMP_OOB_FLAG peer_oob_flag; 295 tSMP_OOB_FLAG loc_oob_flag; 296 tSMP_AUTH_REQ peer_auth_req; 297 tSMP_AUTH_REQ loc_auth_req; 298 bool secure_connections_only_mode_required; /* true if locally SM is required 299 to operate */ 300 /* either in Secure Connections mode or not at all */ 301 tSMP_ASSO_MODEL selected_association_model; 302 bool le_secure_connections_mode_is_used; 303 bool key_derivation_h7_used; 304 bool le_sc_kp_notif_is_used; 305 tSMP_SC_KEY_TYPE local_keypress_notification; 306 tSMP_SC_KEY_TYPE peer_keypress_notification; 307 uint8_t 308 round; /* authentication stage 1 round for passkey association model */ 309 uint32_t number_to_display; 310 BT_OCTET16 mac_key; 311 uint8_t peer_enc_size; 312 uint8_t loc_enc_size; 313 uint8_t peer_i_key; 314 uint8_t peer_r_key; 315 uint8_t local_i_key; 316 uint8_t local_r_key; 317 318 BT_OCTET16 tk; 319 BT_OCTET16 ltk; 320 uint16_t div; 321 BT_OCTET16 csrk; /* storage for local CSRK */ 322 uint16_t ediv; 323 BT_OCTET8 enc_rand; 324 uint8_t addr_type; 325 RawAddress local_bda; 326 bool is_pair_cancel; 327 bool discard_sec_req; 328 uint8_t rcvd_cmd_code; 329 uint8_t rcvd_cmd_len; 330 uint16_t total_tx_unacked; 331 bool wait_for_authorization_complete; 332 uint8_t cert_failure; /*failure case for certification */ 333 alarm_t* delayed_auth_timer_ent; 334 } tSMP_CB; 335 336 /* Server Action functions are of this type */ 337 typedef void (*tSMP_ACT)(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 338 339 extern tSMP_CB smp_cb; 340 341 /* Functions provided by att_main.cc */ 342 extern void smp_init(void); 343 344 /* smp main */ 345 extern void smp_sm_event(tSMP_CB* p_cb, tSMP_EVENT event, 346 tSMP_INT_DATA* p_data); 347 348 extern void smp_proc_sec_request(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 349 extern void smp_set_fail_nc(bool enable); 350 extern void smp_set_fail_conf(bool enable); 351 extern void smp_set_passk_entry_fail(bool enable); 352 extern void smp_set_oob_fail(bool enable); 353 extern void smp_set_peer_sc_notif(bool enable); 354 extern void smp_aes_cmac_rfc4493_chk(uint8_t* key, uint8_t* msg, 355 uint8_t msg_len, uint8_t mac_len, 356 uint8_t* mac); 357 extern void smp_f4_calc_chk(uint8_t* U, uint8_t* V, uint8_t* X, uint8_t* Z, 358 uint8_t* mac); 359 extern void smp_g2_calc_chk(uint8_t* U, uint8_t* V, uint8_t* X, uint8_t* Y); 360 extern void smp_h6_calc_chk(uint8_t* key, uint8_t* key_id, uint8_t* mac); 361 extern void smp_f5_key_calc_chk(uint8_t* w, uint8_t* mac); 362 extern void smp_f5_mackey_or_ltk_calc_chk(uint8_t* t, uint8_t* counter, 363 uint8_t* key_id, uint8_t* n1, 364 uint8_t* n2, uint8_t* a1, uint8_t* a2, 365 uint8_t* length, uint8_t* mac); 366 extern void smp_f5_calc_chk(uint8_t* w, uint8_t* n1, uint8_t* n2, uint8_t* a1, 367 uint8_t* a2, uint8_t* mac_key, uint8_t* ltk); 368 extern void smp_f6_calc_chk(uint8_t* w, uint8_t* n1, uint8_t* n2, uint8_t* r, 369 uint8_t* iocap, uint8_t* a1, uint8_t* a2, 370 uint8_t* mac); 371 extern tSMP_STATE smp_get_state(void); 372 extern void smp_set_state(tSMP_STATE state); 373 374 /* smp_br_main */ 375 extern void smp_br_state_machine_event(tSMP_CB* p_cb, tSMP_BR_EVENT event, 376 tSMP_INT_DATA* p_data); 377 extern tSMP_BR_STATE smp_get_br_state(void); 378 extern void smp_set_br_state(tSMP_BR_STATE state); 379 380 /* smp_act.cc */ 381 extern void smp_send_pair_req(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 382 extern void smp_send_confirm(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 383 extern void smp_send_pair_fail(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 384 extern void smp_send_rand(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 385 extern void smp_send_pair_public_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 386 extern void smp_send_commitment(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 387 extern void smp_send_dhkey_check(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 388 extern void smp_send_keypress_notification(tSMP_CB* p_cb, 389 tSMP_INT_DATA* p_data); 390 extern void smp_proc_pair_fail(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 391 extern void smp_proc_confirm(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 392 extern void smp_proc_rand(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 393 extern void smp_process_pairing_public_key(tSMP_CB* p_cb, 394 tSMP_INT_DATA* p_data); 395 extern void smp_proc_enc_info(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 396 extern void smp_proc_master_id(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 397 extern void smp_proc_id_info(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 398 extern void smp_proc_id_addr(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 399 extern void smp_proc_sec_grant(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 400 extern void smp_proc_sec_req(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 401 extern void smp_proc_sl_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 402 extern void smp_start_enc(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 403 extern void smp_enc_cmpl(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 404 extern void smp_proc_discard(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 405 extern void smp_pairing_cmpl(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 406 extern void smp_decide_association_model(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 407 extern void smp_send_app_cback(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 408 extern void smp_proc_compare(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 409 extern void smp_check_auth_req(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 410 extern void smp_process_io_response(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 411 extern void smp_send_id_info(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 412 extern void smp_send_enc_info(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 413 extern void smp_send_csrk_info(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 414 extern void smp_send_ltk_reply(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 415 extern void smp_proc_pair_cmd(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 416 extern void smp_pair_terminate(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 417 extern void smp_idle_terminate(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 418 extern void smp_send_pair_rsp(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 419 extern void smp_key_distribution(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 420 extern void smp_proc_srk_info(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 421 extern void smp_generate_csrk(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 422 extern void smp_fast_conn_param(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 423 extern void smp_key_pick_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 424 extern void smp_both_have_public_keys(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 425 extern void smp_start_secure_connection_phase1(tSMP_CB* p_cb, 426 tSMP_INT_DATA* p_data); 427 extern void smp_process_local_nonce(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 428 extern void smp_process_pairing_commitment(tSMP_CB* p_cb, 429 tSMP_INT_DATA* p_data); 430 extern void smp_process_peer_nonce(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 431 extern void smp_process_dhkey_check(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 432 extern void smp_match_dhkey_checks(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 433 extern void smp_process_keypress_notification(tSMP_CB* p_cb, 434 tSMP_INT_DATA* p_data); 435 extern void smp_move_to_secure_connections_phase2(tSMP_CB* p_cb, 436 tSMP_INT_DATA* p_data); 437 extern void smp_phase_2_dhkey_checks_are_present(tSMP_CB* p_cb, 438 tSMP_INT_DATA* p_data); 439 extern void smp_wait_for_both_public_keys(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 440 extern void smp_start_passkey_verification(tSMP_CB* p_cb, 441 tSMP_INT_DATA* p_data); 442 extern void smp_process_secure_connection_oob_data(tSMP_CB* p_cb, 443 tSMP_INT_DATA* p_data); 444 extern void smp_process_secure_connection_long_term_key(void); 445 extern void smp_set_local_oob_keys(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 446 extern void smp_set_local_oob_random_commitment(tSMP_CB* p_cb, 447 tSMP_INT_DATA* p_data); 448 extern void smp_set_derive_link_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 449 extern void smp_derive_link_key_from_long_term_key(tSMP_CB* p_cb, 450 tSMP_INT_DATA* p_data); 451 extern void smp_br_process_pairing_command(tSMP_CB* p_cb, 452 tSMP_INT_DATA* p_data); 453 extern void smp_br_process_security_grant(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 454 extern void smp_br_process_slave_keys_response(tSMP_CB* p_cb, 455 tSMP_INT_DATA* p_data); 456 extern void smp_br_send_pair_response(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 457 extern void smp_br_check_authorization_request(tSMP_CB* p_cb, 458 tSMP_INT_DATA* p_data); 459 extern void smp_br_select_next_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 460 extern void smp_br_process_link_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 461 extern void smp_key_distribution_by_transport(tSMP_CB* p_cb, 462 tSMP_INT_DATA* p_data); 463 extern void smp_br_pairing_complete(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 464 465 /* smp_l2c */ 466 extern void smp_l2cap_if_init(void); 467 extern void smp_data_ind(const RawAddress& bd_addr, BT_HDR* p_buf); 468 469 /* smp_util.cc */ 470 extern bool smp_send_cmd(uint8_t cmd_code, tSMP_CB* p_cb); 471 extern void smp_cb_cleanup(tSMP_CB* p_cb); 472 extern void smp_reset_control_value(tSMP_CB* p_cb); 473 extern void smp_proc_pairing_cmpl(tSMP_CB* p_cb); 474 extern void smp_convert_string_to_tk(BT_OCTET16 tk, uint32_t passkey); 475 extern void smp_mask_enc_key(uint8_t loc_enc_size, uint8_t* p_data); 476 extern void smp_rsp_timeout(void* data); 477 extern void smp_delayed_auth_complete_timeout(void* data); 478 extern void smp_xor_128(BT_OCTET16 a, BT_OCTET16 b); 479 extern bool smp_encrypt_data(uint8_t* key, uint8_t key_len, uint8_t* plain_text, 480 uint8_t pt_len, tSMP_ENC* p_out); 481 extern bool smp_command_has_invalid_parameters(tSMP_CB* p_cb); 482 extern void smp_reject_unexpected_pairing_command(const RawAddress& bd_addr); 483 extern tSMP_ASSO_MODEL smp_select_association_model(tSMP_CB* p_cb); 484 extern void smp_reverse_array(uint8_t* arr, uint8_t len); 485 extern uint8_t smp_calculate_random_input(uint8_t* random, uint8_t round); 486 extern void smp_collect_local_io_capabilities(uint8_t* iocap, tSMP_CB* p_cb); 487 extern void smp_collect_peer_io_capabilities(uint8_t* iocap, tSMP_CB* p_cb); 488 extern void smp_collect_local_ble_address(uint8_t* le_addr, tSMP_CB* p_cb); 489 extern void smp_collect_peer_ble_address(uint8_t* le_addr, tSMP_CB* p_cb); 490 extern bool smp_check_commitment(tSMP_CB* p_cb); 491 extern void smp_save_secure_connections_long_term_key(tSMP_CB* p_cb); 492 extern bool smp_calculate_f5_mackey_and_long_term_key(tSMP_CB* p_cb); 493 extern void smp_remove_fixed_channel(tSMP_CB* p_cb); 494 extern bool smp_request_oob_data(tSMP_CB* p_cb); 495 496 /* smp_keys.cc */ 497 extern void smp_generate_srand_mrand_confirm(tSMP_CB* p_cb, 498 tSMP_INT_DATA* p_data); 499 extern void smp_generate_compare(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 500 extern void smp_generate_stk(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 501 extern void smp_generate_ltk(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 502 extern void smp_generate_passkey(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 503 extern void smp_generate_rand_cont(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 504 extern void smp_create_private_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 505 extern void smp_use_oob_private_key(tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 506 extern void smp_compute_dhkey(tSMP_CB* p_cb); 507 extern void smp_calculate_local_commitment(tSMP_CB* p_cb); 508 extern void smp_calculate_peer_commitment(tSMP_CB* p_cb, BT_OCTET16 output_buf); 509 extern void smp_calculate_numeric_comparison_display_number( 510 tSMP_CB* p_cb, tSMP_INT_DATA* p_data); 511 extern void smp_calculate_local_dhkey_check(tSMP_CB* p_cb, 512 tSMP_INT_DATA* p_data); 513 extern void smp_calculate_peer_dhkey_check(tSMP_CB* p_cb, 514 tSMP_INT_DATA* p_data); 515 extern void smp_start_nonce_generation(tSMP_CB* p_cb); 516 extern bool smp_calculate_link_key_from_long_term_key(tSMP_CB* p_cb); 517 extern bool smp_calculate_long_term_key_from_link_key(tSMP_CB* p_cb); 518 extern void smp_calculate_f4(uint8_t* u, uint8_t* v, uint8_t* x, uint8_t z, 519 uint8_t* c); 520 extern uint32_t smp_calculate_g2(uint8_t* u, uint8_t* v, uint8_t* x, 521 uint8_t* y); 522 extern bool smp_calculate_f5(uint8_t* w, uint8_t* n1, uint8_t* n2, uint8_t* a1, 523 uint8_t* a2, uint8_t* mac_key, uint8_t* ltk); 524 extern bool smp_calculate_f5_mackey_or_long_term_key( 525 uint8_t* t, uint8_t* counter, uint8_t* key_id, uint8_t* n1, uint8_t* n2, 526 uint8_t* a1, uint8_t* a2, uint8_t* length, uint8_t* mac); 527 extern bool smp_calculate_f5_key(uint8_t* w, uint8_t* t); 528 extern bool smp_calculate_f6(uint8_t* w, uint8_t* n1, uint8_t* n2, uint8_t* r, 529 uint8_t* iocap, uint8_t* a1, uint8_t* a2, 530 uint8_t* f3); 531 extern bool smp_calculate_h6(uint8_t* w, uint8_t* keyid, uint8_t* h2); 532 extern bool smp_calculate_h7(uint8_t* salt, uint8_t* w, uint8_t* h2); 533 #if (SMP_DEBUG == TRUE) 534 extern void smp_debug_print_nbyte_little_endian(uint8_t* p, 535 const char* key_name, 536 uint8_t len); 537 #endif 538 539 /* smp_cmac.cc */ 540 extern bool aes_cipher_msg_auth_code(BT_OCTET16 key, uint8_t* input, 541 uint16_t length, uint16_t tlen, 542 uint8_t* p_signature); 543 extern void print128(BT_OCTET16 x, const uint8_t* key_name); 544 545 #endif /* SMP_INT_H */ 546
