1/******************************************************************************
2 *
3 *  Copyright (C) 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#if BLE_INCLUDED == TRUE
28
29#include "btu.h"
30#include "btm_ble_api.h"
31#include "btm_api.h"
32#include "smp_api.h"
33
34#define SMP_MODEL_ENCRYPTION_ONLY  0   /* Legacy mode, Just Works model */
35#define SMP_MODEL_PASSKEY       1   /* Legacy mode, Passkey Entry model, this side inputs the key */
36#define SMP_MODEL_OOB           2   /* Legacy mode, OOB model */
37#define SMP_MODEL_KEY_NOTIF     3   /* Legacy mode, Passkey Entry model, this side displays the key */
38#define SMP_MODEL_SEC_CONN_JUSTWORKS  4  /* Secure Connections mode, Just Works model */
39#define SMP_MODEL_SEC_CONN_NUM_COMP   5  /* Secure Connections mode, Numeric Comparison model */
40#define SMP_MODEL_SEC_CONN_PASSKEY_ENT 6 /* Secure Connections mode, Passkey Entry model, */
41                                    /* this side inputs the key */
42#define SMP_MODEL_SEC_CONN_PASSKEY_DISP 7   /* Secure Connections mode, 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
46typedef UINT8   tSMP_ASSO_MODEL;
47
48
49#ifndef SMP_MAX_CONN
50    #define SMP_MAX_CONN    2
51#endif
52
53#define SMP_WAIT_FOR_RSP_TIMEOUT_MS      (30 * 1000)
54#define SMP_DELAYED_AUTH_TIMEOUT_MS      500
55
56#define SMP_OPCODE_INIT                   0x04
57
58/* SMP events */
59#define SMP_PAIRING_REQ_EVT             SMP_OPCODE_PAIRING_REQ
60#define SMP_PAIRING_RSP_EVT             SMP_OPCODE_PAIRING_RSP
61#define SMP_CONFIRM_EVT                 SMP_OPCODE_CONFIRM
62#define SMP_RAND_EVT                    SMP_OPCODE_RAND
63#define SMP_PAIRING_FAILED_EVT          SMP_OPCODE_PAIRING_FAILED
64#define SMP_ENCRPTION_INFO_EVT          SMP_OPCODE_ENCRYPT_INFO
65#define SMP_MASTER_ID_EVT               SMP_OPCODE_MASTER_ID
66#define SMP_ID_INFO_EVT                 SMP_OPCODE_IDENTITY_INFO
67#define SMP_ID_ADDR_EVT                 SMP_OPCODE_ID_ADDR
68#define SMP_SIGN_INFO_EVT               SMP_OPCODE_SIGN_INFO
69#define SMP_SECURITY_REQ_EVT            SMP_OPCODE_SEC_REQ
70
71#define SMP_PAIR_PUBLIC_KEY_EVT         SMP_OPCODE_PAIR_PUBLIC_KEY
72#define SMP_PAIR_KEYPRESS_NOTIFICATION_EVT SMP_OPCODE_PAIR_KEYPR_NOTIF
73
74#define SMP_PAIR_COMMITM_EVT            SMP_OPCODE_PAIR_COMMITM
75
76#define SMP_SELF_DEF_EVT                (SMP_PAIR_COMMITM_EVT + 1)
77#define SMP_KEY_READY_EVT               (SMP_SELF_DEF_EVT)
78#define SMP_ENCRYPTED_EVT               (SMP_SELF_DEF_EVT + 1)
79#define SMP_L2CAP_CONN_EVT              (SMP_SELF_DEF_EVT + 2)
80#define SMP_L2CAP_DISCONN_EVT           (SMP_SELF_DEF_EVT + 3)
81#define SMP_IO_RSP_EVT                  (SMP_SELF_DEF_EVT + 4)
82#define SMP_API_SEC_GRANT_EVT           (SMP_SELF_DEF_EVT + 5)
83#define SMP_TK_REQ_EVT                  (SMP_SELF_DEF_EVT + 6)
84#define SMP_AUTH_CMPL_EVT               (SMP_SELF_DEF_EVT + 7)
85#define SMP_ENC_REQ_EVT                 (SMP_SELF_DEF_EVT + 8)
86#define SMP_BOND_REQ_EVT                (SMP_SELF_DEF_EVT + 9)
87#define SMP_DISCARD_SEC_REQ_EVT         (SMP_SELF_DEF_EVT + 10)
88
89#define SMP_PAIR_DHKEY_CHCK_EVT         SMP_OPCODE_PAIR_DHKEY_CHECK
90
91#define SMP_PUBL_KEY_EXCH_REQ_EVT       (SMP_SELF_DEF_EVT + 11) /* request to start public */
92                                                                /* key exchange */
93
94#define SMP_LOC_PUBL_KEY_CRTD_EVT       (SMP_SELF_DEF_EVT + 12) /* local public key created */
95
96#define SMP_BOTH_PUBL_KEYS_RCVD_EVT     (SMP_SELF_DEF_EVT + 13) /* both local and peer public */
97                                                                /* keys are saved in cb */
98
99#define SMP_SC_DHKEY_CMPLT_EVT          (SMP_SELF_DEF_EVT + 14) /* DHKey computation is completed,*/
100                                                                /* time to start SC phase1 */
101
102#define SMP_HAVE_LOC_NONCE_EVT          (SMP_SELF_DEF_EVT + 15) /* new local nonce is generated */
103                                                                /*and saved in p_cb->rand */
104
105#define SMP_SC_PHASE1_CMPLT_EVT         (SMP_SELF_DEF_EVT + 16) /* time to start SC phase2 */
106
107#define SMP_SC_CALC_NC_EVT              (SMP_SELF_DEF_EVT + 17) /* request to calculate number */
108                                                             /* for user check. Used only in the */
109                                                             /* numeric compare protocol */
110
111/* Request to display the number for user check to the user.*/
112/* Used only in the numeric compare protocol */
113#define SMP_SC_DSPL_NC_EVT              (SMP_SELF_DEF_EVT + 18)
114
115#define SMP_SC_NC_OK_EVT                (SMP_SELF_DEF_EVT + 19) /* user confirms 'OK' numeric */
116                                                                /*comparison request */
117
118/* both local and peer DHKey Checks are already present - it is used on slave to prevent race condition */
119#define SMP_SC_2_DHCK_CHKS_PRES_EVT     (SMP_SELF_DEF_EVT + 20)
120
121/* same meaning as SMP_KEY_READY_EVT to separate between SC and legacy actions */
122#define SMP_SC_KEY_READY_EVT            (SMP_SELF_DEF_EVT + 21)
123#define SMP_KEYPRESS_NOTIFICATION_EVENT (SMP_SELF_DEF_EVT + 22)
124
125#define SMP_SC_OOB_DATA_EVT             (SMP_SELF_DEF_EVT + 23) /* SC OOB data from some */
126                                                                /* repository is provided */
127
128#define SMP_CR_LOC_SC_OOB_DATA_EVT      (SMP_SELF_DEF_EVT + 24)
129#define SMP_MAX_EVT                      SMP_CR_LOC_SC_OOB_DATA_EVT
130
131typedef UINT8 tSMP_EVENT;
132
133/* Assumption it's only using the low 8 bits, if bigger than that, need to expand it to 16 bits */
134#define SMP_SEC_KEY_MASK                    0x00ff
135
136/* SMP pairing state */
137enum
138{
139    SMP_STATE_IDLE,
140    SMP_STATE_WAIT_APP_RSP,
141    SMP_STATE_SEC_REQ_PENDING,
142    SMP_STATE_PAIR_REQ_RSP,
143    SMP_STATE_WAIT_CONFIRM,
144    SMP_STATE_CONFIRM,
145    SMP_STATE_RAND,
146    SMP_STATE_PUBLIC_KEY_EXCH,
147    SMP_STATE_SEC_CONN_PHS1_START,
148    SMP_STATE_WAIT_COMMITMENT,
149    SMP_STATE_WAIT_NONCE,
150    SMP_STATE_SEC_CONN_PHS2_START,
151    SMP_STATE_WAIT_DHK_CHECK,
152    SMP_STATE_DHK_CHECK,
153    SMP_STATE_ENCRYPTION_PENDING,
154    SMP_STATE_BOND_PENDING,
155    SMP_STATE_CREATE_LOCAL_SEC_CONN_OOB_DATA,
156    SMP_STATE_MAX
157};
158typedef UINT8 tSMP_STATE;
159
160/* SMP over BR/EDR events */
161#define SMP_BR_PAIRING_REQ_EVT              SMP_OPCODE_PAIRING_REQ
162#define SMP_BR_PAIRING_RSP_EVT              SMP_OPCODE_PAIRING_RSP
163#define SMP_BR_CONFIRM_EVT                  SMP_OPCODE_CONFIRM    /* not expected over BR/EDR */
164#define SMP_BR_RAND_EVT                     SMP_OPCODE_RAND       /* not expected over BR/EDR */
165#define SMP_BR_PAIRING_FAILED_EVT           SMP_OPCODE_PAIRING_FAILED
166#define SMP_BR_ENCRPTION_INFO_EVT           SMP_OPCODE_ENCRYPT_INFO /* not expected over BR/EDR */
167#define SMP_BR_MASTER_ID_EVT                SMP_OPCODE_MASTER_ID    /* not expected over BR/EDR */
168#define SMP_BR_ID_INFO_EVT                  SMP_OPCODE_IDENTITY_INFO
169#define SMP_BR_ID_ADDR_EVT                  SMP_OPCODE_ID_ADDR
170#define SMP_BR_SIGN_INFO_EVT                SMP_OPCODE_SIGN_INFO
171#define SMP_BR_SECURITY_REQ_EVT          SMP_OPCODE_SEC_REQ          /* not expected over BR/EDR */
172#define SMP_BR_PAIR_PUBLIC_KEY_EVT       SMP_OPCODE_PAIR_PUBLIC_KEY  /* not expected over BR/EDR */
173#define SMP_BR_PAIR_DHKEY_CHCK_EVT       SMP_OPCODE_PAIR_DHKEY_CHECK /* not expected over BR/EDR */
174#define SMP_BR_PAIR_KEYPR_NOTIF_EVT      SMP_OPCODE_PAIR_KEYPR_NOTIF /* not expected over BR/EDR */
175#define SMP_BR_SELF_DEF_EVT              SMP_BR_PAIR_KEYPR_NOTIF_EVT
176#define SMP_BR_KEY_READY_EVT                (SMP_BR_SELF_DEF_EVT + 1)
177#define SMP_BR_ENCRYPTED_EVT                (SMP_BR_SELF_DEF_EVT + 2)
178#define SMP_BR_L2CAP_CONN_EVT               (SMP_BR_SELF_DEF_EVT + 3)
179#define SMP_BR_L2CAP_DISCONN_EVT            (SMP_BR_SELF_DEF_EVT + 4)
180#define SMP_BR_KEYS_RSP_EVT                 (SMP_BR_SELF_DEF_EVT + 5)
181#define SMP_BR_API_SEC_GRANT_EVT            (SMP_BR_SELF_DEF_EVT + 6)
182#define SMP_BR_TK_REQ_EVT                   (SMP_BR_SELF_DEF_EVT + 7)
183#define SMP_BR_AUTH_CMPL_EVT                (SMP_BR_SELF_DEF_EVT + 8)
184#define SMP_BR_ENC_REQ_EVT                  (SMP_BR_SELF_DEF_EVT + 9)
185#define SMP_BR_BOND_REQ_EVT                 (SMP_BR_SELF_DEF_EVT + 10)
186#define SMP_BR_DISCARD_SEC_REQ_EVT          (SMP_BR_SELF_DEF_EVT + 11)
187#define SMP_BR_MAX_EVT                      (SMP_BR_SELF_DEF_EVT + 12)
188typedef UINT8 tSMP_BR_EVENT;
189
190/* SMP over BR/EDR pairing states */
191enum
192{
193    SMP_BR_STATE_IDLE = SMP_STATE_IDLE,
194    SMP_BR_STATE_WAIT_APP_RSP,
195    SMP_BR_STATE_PAIR_REQ_RSP,
196    SMP_BR_STATE_BOND_PENDING,
197    SMP_BR_STATE_MAX
198};
199typedef UINT8 tSMP_BR_STATE;
200
201/* random and encrption activity state */
202enum
203{
204    SMP_GEN_COMPARE = 1,
205    SMP_GEN_CONFIRM,
206
207    SMP_GEN_DIV_LTK,
208    SMP_GEN_DIV_CSRK,
209    SMP_GEN_RAND_V,
210    SMP_GEN_TK,
211    SMP_GEN_SRAND_MRAND,
212    SMP_GEN_SRAND_MRAND_CONT,
213    SMP_GENERATE_PRIVATE_KEY_0_7,
214    SMP_GENERATE_PRIVATE_KEY_8_15,
215    SMP_GENERATE_PRIVATE_KEY_16_23,
216    SMP_GENERATE_PRIVATE_KEY_24_31,
217    SMP_GEN_NONCE_0_7,
218    SMP_GEN_NONCE_8_15
219};
220
221enum
222{
223    SMP_KEY_TYPE_TK,
224    SMP_KEY_TYPE_CFM,
225    SMP_KEY_TYPE_CMP,
226    SMP_KEY_TYPE_PEER_DHK_CHCK,
227    SMP_KEY_TYPE_STK,
228    SMP_KEY_TYPE_LTK
229};
230typedef struct
231{
232    UINT8   key_type;
233    UINT8*  p_data;
234}tSMP_KEY;
235
236typedef union
237{
238    UINT8       *p_data;    /* UINT8 type data pointer */
239    tSMP_KEY    key;
240    UINT16      reason;
241    UINT32      passkey;
242    tSMP_OOB_DATA_TYPE  req_oob_type;
243}tSMP_INT_DATA;
244
245/* internal status mask */
246#define SMP_PAIR_FLAGS_WE_STARTED_DD           (1)
247#define SMP_PAIR_FLAGS_PEER_STARTED_DD         (1 << 1)
248#define SMP_PAIR_FLAGS_CMD_CONFIRM             (1 << SMP_OPCODE_CONFIRM) /* 1 << 3 */
249#define SMP_PAIR_FLAG_ENC_AFTER_PAIR           (1 << 4)
250#define SMP_PAIR_FLAG_HAVE_PEER_DHK_CHK   (1 << 5) /* used on slave to resolve race condition */
251#define SMP_PAIR_FLAG_HAVE_PEER_PUBL_KEY  (1 << 6) /* used on slave to resolve race condition */
252#define SMP_PAIR_FLAG_HAVE_PEER_COMM      (1 << 7) /* used to resolve race condition */
253#define SMP_PAIR_FLAG_HAVE_LOCAL_PUBL_KEY (1 << 8) /* used on slave to resolve race condition */
254
255/* check if authentication requirement need MITM protection */
256#define SMP_NO_MITM_REQUIRED(x)  (((x) & SMP_AUTH_YN_BIT) == 0)
257
258#define SMP_ENCRYT_KEY_SIZE                16
259#define SMP_ENCRYT_DATA_SIZE               16
260#define SMP_ECNCRPYT_STATUS                HCI_SUCCESS
261
262typedef struct
263{
264    BD_ADDR bd_addr;
265    BT_HDR* p_copy;
266} tSMP_REQ_Q_ENTRY;
267
268/* SMP control block */
269typedef struct
270{
271    tSMP_CALLBACK   *p_callback;
272    alarm_t         *smp_rsp_timer_ent;
273    UINT8           trace_level;
274    BD_ADDR         pairing_bda;
275    tSMP_STATE      state;
276    BOOLEAN         derive_lk;
277    BOOLEAN         id_addr_rcvd;
278    tBLE_ADDR_TYPE  id_addr_type;
279    BD_ADDR         id_addr;
280    BOOLEAN         smp_over_br;
281    tSMP_BR_STATE   br_state;           /* if SMP over BR/ERD has priority over SMP */
282    UINT8           failure;
283    UINT8           status;
284    UINT8           role;
285    UINT16          flags;
286    UINT8           cb_evt;
287    tSMP_SEC_LEVEL  sec_level;
288    BOOLEAN         connect_initialized;
289    BT_OCTET16      confirm;
290    BT_OCTET16      rconfirm;
291    BT_OCTET16      rrand;                      /* for SC this is peer nonce */
292    BT_OCTET16      rand;                       /* for SC this is local nonce */
293    BT_OCTET32      private_key;
294    BT_OCTET32      dhkey;
295    BT_OCTET16      commitment;
296    BT_OCTET16      remote_commitment;
297    BT_OCTET16      local_random;               /* local randomizer - passkey or OOB randomizer */
298    BT_OCTET16      peer_random;                /* peer randomizer - passkey or OOB randomizer */
299    BT_OCTET16      dhkey_check;
300    BT_OCTET16      remote_dhkey_check;
301    tSMP_PUBLIC_KEY loc_publ_key;
302    tSMP_PUBLIC_KEY peer_publ_key;
303    tSMP_OOB_DATA_TYPE  req_oob_type;
304    tSMP_SC_OOB_DATA    sc_oob_data;
305    tSMP_IO_CAP     peer_io_caps;
306    tSMP_IO_CAP     local_io_capability;
307    tSMP_OOB_FLAG   peer_oob_flag;
308    tSMP_OOB_FLAG   loc_oob_flag;
309    tSMP_AUTH_REQ   peer_auth_req;
310    tSMP_AUTH_REQ   loc_auth_req;
311    BOOLEAN         secure_connections_only_mode_required;/* TRUE if locally SM is required to operate */
312                                            /* either in Secure Connections mode or not at all */
313    tSMP_ASSO_MODEL selected_association_model;
314    BOOLEAN         le_secure_connections_mode_is_used;
315    BOOLEAN le_sc_kp_notif_is_used;
316    tSMP_SC_KEY_TYPE local_keypress_notification;
317    tSMP_SC_KEY_TYPE peer_keypress_notification;
318    UINT8           round;       /* authentication stage 1 round for passkey association model */
319    UINT32          number_to_display;
320    BT_OCTET16      mac_key;
321    UINT8           peer_enc_size;
322    UINT8           loc_enc_size;
323    UINT8           peer_i_key;
324    UINT8           peer_r_key;
325    UINT8           local_i_key;
326    UINT8           local_r_key;
327
328    BT_OCTET16      tk;
329    BT_OCTET16      ltk;
330    UINT16          div;
331    BT_OCTET16      csrk;  /* storage for local CSRK */
332    UINT16          ediv;
333    BT_OCTET8       enc_rand;
334    UINT8           rand_enc_proc_state;
335    UINT8           addr_type;
336    BD_ADDR         local_bda;
337    BOOLEAN         is_pair_cancel;
338    BOOLEAN         discard_sec_req;
339    UINT8           rcvd_cmd_code;
340    UINT8           rcvd_cmd_len;
341    UINT16          total_tx_unacked;
342    BOOLEAN         wait_for_authorization_complete;
343    UINT8           cert_failure; /*failure case for certification */
344    alarm_t         *delayed_auth_timer_ent;
345}tSMP_CB;
346
347/* Server Action functions are of this type */
348typedef void (*tSMP_ACT)(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
349
350
351#ifdef __cplusplus
352extern "C"
353{
354#endif
355
356#if SMP_DYNAMIC_MEMORY == FALSE
357extern tSMP_CB  smp_cb;
358#else
359extern tSMP_CB *smp_cb_ptr;
360#define smp_cb (*smp_cb_ptr)
361#endif
362
363#ifdef __cplusplus
364}
365#endif
366
367/* Functions provided by att_main.c */
368extern void smp_init (void);
369
370/* smp main */
371extern void smp_sm_event(tSMP_CB *p_cb, tSMP_EVENT event, void *p_data);
372
373extern void smp_proc_sec_request(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
374extern void  smp_set_fail_nc (BOOLEAN enable);
375extern void  smp_set_fail_conf (BOOLEAN enable);
376extern void  smp_set_passk_entry_fail(BOOLEAN enable);
377extern void  smp_set_oob_fail(BOOLEAN enable);
378extern void  smp_set_peer_sc_notif(BOOLEAN enable);
379extern void smp_aes_cmac_rfc4493_chk (UINT8 *key, UINT8 *msg, UINT8 msg_len,
380                                              UINT8 mac_len, UINT8 *mac);
381extern void smp_f4_calc_chk (UINT8 *U, UINT8 *V, UINT8 *X, UINT8 *Z, UINT8 *mac);
382extern void smp_g2_calc_chk (UINT8 *U, UINT8 *V, UINT8 *X, UINT8 *Y);
383extern void smp_h6_calc_chk (UINT8 *key, UINT8 *key_id, UINT8 *mac);
384extern void smp_f5_key_calc_chk (UINT8 *w, UINT8 *mac);
385extern void smp_f5_mackey_or_ltk_calc_chk(UINT8 *t, UINT8 *counter,
386                                                  UINT8 *key_id, UINT8 *n1,
387                                                  UINT8 *n2, UINT8 *a1, UINT8 *a2,
388                                                  UINT8 *length, UINT8 *mac);
389extern void smp_f5_calc_chk (UINT8 *w, UINT8 *n1, UINT8 *n2, UINT8 *a1, UINT8 *a2,
390                                    UINT8 *mac_key, UINT8 *ltk);
391extern void smp_f6_calc_chk (UINT8 *w, UINT8 *n1, UINT8 *n2, UINT8 *r,
392                                     UINT8 *iocap, UINT8 *a1, UINT8 *a2, UINT8 *mac);
393/* smp_main */
394extern void         smp_sm_event(tSMP_CB *p_cb, tSMP_EVENT event, void *p_data);
395extern tSMP_STATE   smp_get_state(void);
396extern void         smp_set_state(tSMP_STATE state);
397
398/* smp_br_main */
399extern void smp_br_state_machine_event(tSMP_CB *p_cb, tSMP_BR_EVENT event, void *p_data);
400extern tSMP_BR_STATE    smp_get_br_state(void);
401extern void             smp_set_br_state(tSMP_BR_STATE state);
402
403
404/* smp_act.c */
405extern void smp_send_pair_req(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
406extern void smp_send_confirm(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
407extern void smp_send_pair_fail(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
408extern void smp_send_rand(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
409extern void smp_send_pair_public_key(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
410extern void smp_send_commitment(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
411extern void smp_send_dhkey_check(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
412extern void smp_send_keypress_notification(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
413extern void smp_proc_pair_fail(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
414extern void smp_proc_confirm(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
415extern void smp_proc_rand(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
416extern void smp_process_pairing_public_key(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
417extern void smp_proc_enc_info(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
418extern void smp_proc_master_id(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
419extern void smp_proc_id_info(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
420extern void smp_proc_id_addr(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
421extern void smp_proc_sec_grant(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
422extern void smp_proc_sec_req(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
423extern void smp_proc_sl_key(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
424extern void smp_start_enc(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
425extern void smp_enc_cmpl(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
426extern void smp_proc_discard(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
427extern void smp_pairing_cmpl(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
428extern void smp_decide_association_model(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
429extern void smp_send_app_cback(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
430extern void smp_proc_compare(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
431extern void smp_check_auth_req(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
432extern void smp_process_io_response(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
433extern void smp_send_id_info(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
434extern void smp_send_enc_info(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
435extern void smp_send_csrk_info(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
436extern void smp_send_ltk_reply(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
437extern void smp_proc_pair_cmd(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
438extern void smp_pair_terminate(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
439extern void smp_idle_terminate(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
440extern void smp_send_pair_rsp(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
441extern void smp_key_distribution(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
442extern void smp_proc_srk_info(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
443extern void smp_generate_csrk(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
444extern void smp_fast_conn_param(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
445extern void smp_key_pick_key(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
446extern void smp_both_have_public_keys(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
447extern void smp_start_secure_connection_phase1(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
448extern void smp_process_local_nonce(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
449extern void smp_process_pairing_commitment(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
450extern void smp_process_peer_nonce(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
451extern void smp_process_dhkey_check(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
452extern void smp_match_dhkey_checks(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
453extern void smp_process_keypress_notification(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
454extern void smp_move_to_secure_connections_phase2(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
455extern void smp_phase_2_dhkey_checks_are_present(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
456extern void smp_wait_for_both_public_keys(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
457extern void smp_start_passkey_verification(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
458extern void smp_process_secure_connection_oob_data(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
459extern void smp_process_secure_connection_long_term_key(void);
460extern void smp_set_local_oob_keys(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
461extern void smp_set_local_oob_random_commitment(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
462extern void smp_set_derive_link_key(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
463extern void smp_derive_link_key_from_long_term_key(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
464extern void smp_br_process_pairing_command(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
465extern void smp_br_process_security_grant(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
466extern void smp_br_process_slave_keys_response(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
467extern void smp_br_send_pair_response(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
468extern void smp_br_check_authorization_request(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
469extern void smp_br_select_next_key(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
470extern void smp_br_process_link_key(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
471extern void smp_key_distribution_by_transport(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
472extern void smp_br_pairing_complete(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
473
474/* smp_l2c */
475extern void smp_l2cap_if_init (void);
476extern void smp_data_ind (BD_ADDR bd_addr, BT_HDR *p_buf);
477
478/* smp_util.c */
479extern BOOLEAN smp_send_cmd(UINT8 cmd_code, tSMP_CB *p_cb);
480extern void smp_cb_cleanup(tSMP_CB *p_cb);
481extern void smp_reset_control_value(tSMP_CB *p_cb);
482extern void smp_proc_pairing_cmpl(tSMP_CB *p_cb);
483extern void smp_convert_string_to_tk(BT_OCTET16 tk, UINT32 passkey);
484extern void smp_mask_enc_key(UINT8 loc_enc_size, UINT8 * p_data);
485extern void smp_rsp_timeout(void *data);
486extern void smp_delayed_auth_complete_timeout(void *data);
487extern void smp_xor_128(BT_OCTET16 a, BT_OCTET16 b);
488extern BOOLEAN smp_encrypt_data (UINT8 *key, UINT8 key_len,
489                                 UINT8 *plain_text, UINT8 pt_len,
490                                 tSMP_ENC *p_out);
491extern BOOLEAN smp_command_has_invalid_parameters(tSMP_CB *p_cb);
492extern void smp_reject_unexpected_pairing_command(BD_ADDR bd_addr);
493extern tSMP_ASSO_MODEL smp_select_association_model(tSMP_CB *p_cb);
494extern void smp_reverse_array(UINT8 *arr, UINT8 len);
495extern UINT8 smp_calculate_random_input(UINT8 *random, UINT8 round);
496extern void smp_collect_local_io_capabilities(UINT8 *iocap, tSMP_CB *p_cb);
497extern void smp_collect_peer_io_capabilities(UINT8 *iocap, tSMP_CB *p_cb);
498extern void smp_collect_local_ble_address(UINT8 *le_addr, tSMP_CB *p_cb);
499extern void smp_collect_peer_ble_address(UINT8 *le_addr, tSMP_CB *p_cb);
500extern BOOLEAN smp_check_commitment(tSMP_CB *p_cb);
501extern void smp_save_secure_connections_long_term_key(tSMP_CB *p_cb);
502extern BOOLEAN smp_calculate_f5_mackey_and_long_term_key(tSMP_CB *p_cb);
503extern void smp_remove_fixed_channel(tSMP_CB *p_cb);
504extern BOOLEAN smp_request_oob_data(tSMP_CB *p_cb);
505
506/* smp_keys.c */
507extern void smp_generate_srand_mrand_confirm (tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
508extern void smp_generate_compare (tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
509extern void smp_generate_stk (tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
510extern void smp_generate_ltk(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
511extern void smp_generate_passkey (tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
512extern void smp_generate_rand_cont(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
513extern void smp_create_private_key(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
514extern void smp_use_oob_private_key(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
515extern void smp_compute_dhkey(tSMP_CB *p_cb);
516extern void smp_calculate_local_commitment(tSMP_CB *p_cb);
517extern void smp_calculate_peer_commitment(tSMP_CB *p_cb, BT_OCTET16 output_buf);
518extern void smp_calculate_numeric_comparison_display_number(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
519extern void smp_calculate_local_dhkey_check(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
520extern void smp_calculate_peer_dhkey_check(tSMP_CB *p_cb, tSMP_INT_DATA *p_data);
521extern void smp_start_nonce_generation(tSMP_CB *p_cb);
522extern BOOLEAN smp_calculate_link_key_from_long_term_key(tSMP_CB *p_cb);
523extern BOOLEAN smp_calculate_long_term_key_from_link_key(tSMP_CB *p_cb);
524extern void smp_calculate_f4(UINT8 *u, UINT8 *v, UINT8 *x, UINT8 z, UINT8 *c);
525extern UINT32 smp_calculate_g2(UINT8 *u, UINT8 *v, UINT8 *x, UINT8 *y);
526extern BOOLEAN smp_calculate_f5(UINT8 *w, UINT8 *n1, UINT8 *n2, UINT8 *a1, UINT8 *a2,
527                           UINT8 *mac_key, UINT8 *ltk);
528extern BOOLEAN smp_calculate_f5_mackey_or_long_term_key(UINT8 *t, UINT8 *counter,
529                                         UINT8 *key_id, UINT8 *n1, UINT8 *n2, UINT8 *a1,
530                                         UINT8 *a2, UINT8 *length, UINT8 *mac);
531extern BOOLEAN smp_calculate_f5_key(UINT8 *w, UINT8 *t);
532extern BOOLEAN smp_calculate_f6(UINT8 *w, UINT8 *n1, UINT8 *n2, UINT8 *r, UINT8 *iocap,
533                               UINT8 *a1, UINT8 *a2, UINT8 *f3);
534extern BOOLEAN smp_calculate_h6(UINT8 *w, UINT8 *keyid, UINT8 *h2);
535#if SMP_DEBUG == TRUE
536extern void smp_debug_print_nbyte_little_endian (UINT8 *p, const UINT8 *key_name,
537                                                 UINT8 len);
538#endif
539
540/* smp_cmac.c */
541extern BOOLEAN aes_cipher_msg_auth_code(BT_OCTET16 key, UINT8 *input, UINT16 length,
542                                                 UINT16 tlen, UINT8 *p_signature);
543extern void print128(BT_OCTET16 x, const UINT8 *key_name);
544
545#endif
546
547#endif /* SMP_INT_H */
548