1eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia/* 2eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia BlueZ - Bluetooth protocol stack for Linux 3eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). 4eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia 5eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia This program is free software; you can redistribute it and/or modify 6eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia it under the terms of the GNU General Public License version 2 as 7eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia published by the Free Software Foundation; 8eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia 9eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 10eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 11eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 12eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 13eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 14eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia 18eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 19eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 20eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia SOFTWARE IS DISCLAIMED. 21eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia*/ 22eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia 23aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#ifndef __SMP_H 24aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define __SMP_H 25aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo 26aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervostruct smp_command_hdr { 27aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 code; 28aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo} __packed; 29aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo 30aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_CMD_PAIRING_REQ 0x01 31aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_CMD_PAIRING_RSP 0x02 32aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervostruct smp_cmd_pairing { 33aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 io_capability; 34aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 oob_flag; 35aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 auth_req; 36aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 max_key_size; 37aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 init_key_dist; 38aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 resp_key_dist; 39aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo} __packed; 40aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo 4188ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia#define SMP_IO_DISPLAY_ONLY 0x00 4288ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia#define SMP_IO_DISPLAY_YESNO 0x01 4388ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia#define SMP_IO_KEYBOARD_ONLY 0x02 4488ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia#define SMP_IO_NO_INPUT_OUTPUT 0x03 4588ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia#define SMP_IO_KEYBOARD_DISPLAY 0x04 4688ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia 4788ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia#define SMP_OOB_NOT_PRESENT 0x00 4888ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia#define SMP_OOB_PRESENT 0x01 4988ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia 5088ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia#define SMP_DIST_ENC_KEY 0x01 5188ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia#define SMP_DIST_ID_KEY 0x02 5288ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia#define SMP_DIST_SIGN 0x04 5388ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia 5488ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia#define SMP_AUTH_NONE 0x00 5588ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia#define SMP_AUTH_BONDING 0x01 5688ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia#define SMP_AUTH_MITM 0x04 5788ba43b662b6b944c6278ad81a114fa559807776Anderson Briglia 58aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_CMD_PAIRING_CONFIRM 0x03 59aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervostruct smp_cmd_pairing_confirm { 60aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 confirm_val[16]; 61aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo} __packed; 62aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo 63aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_CMD_PAIRING_RANDOM 0x04 64aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervostruct smp_cmd_pairing_random { 65aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 rand_val[16]; 66aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo} __packed; 67aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo 68aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_CMD_PAIRING_FAIL 0x05 69aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervostruct smp_cmd_pairing_fail { 70aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 reason; 71aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo} __packed; 72aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo 73aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_CMD_ENCRYPT_INFO 0x06 74aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervostruct smp_cmd_encrypt_info { 75aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 ltk[16]; 76aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo} __packed; 77aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo 78aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_CMD_MASTER_IDENT 0x07 79aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervostruct smp_cmd_master_ident { 8058115373e74c7ee18d0f54f00831649a6471a899Andrei Emeltchenko __le16 ediv; 81fe39c7b2dacf7fd4dcddc26704d01315ab92b7cbMarcel Holtmann __le64 rand; 82aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo} __packed; 83aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo 84aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_CMD_IDENT_INFO 0x08 85aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervostruct smp_cmd_ident_info { 86aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 irk[16]; 87aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo} __packed; 88aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo 89aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_CMD_IDENT_ADDR_INFO 0x09 90aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervostruct smp_cmd_ident_addr_info { 91aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 addr_type; 92aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo bdaddr_t bdaddr; 93aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo} __packed; 94aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo 95aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_CMD_SIGN_INFO 0x0a 96aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervostruct smp_cmd_sign_info { 97aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 csrk[16]; 98aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo} __packed; 99aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo 100aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_CMD_SECURITY_REQ 0x0b 101aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervostruct smp_cmd_security_req { 102aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo __u8 auth_req; 103aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo} __packed; 104aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo 105b28b4943660f4e36f118b751ec606c103ba6b1ccJohan Hedberg#define SMP_CMD_MAX 0x0b 106b28b4943660f4e36f118b751ec606c103ba6b1ccJohan Hedberg 107aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_PASSKEY_ENTRY_FAILED 0x01 108aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_OOB_NOT_AVAIL 0x02 109aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_AUTH_REQUIREMENTS 0x03 110aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_CONFIRM_FAILED 0x04 111aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_PAIRING_NOTSUPP 0x05 112aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_ENC_KEY_SIZE 0x06 113b93a68295f3a2b1b66d235ce8f9f5a97553f0d0eAndrei Emeltchenko#define SMP_CMD_NOTSUPP 0x07 114b93a68295f3a2b1b66d235ce8f9f5a97553f0d0eAndrei Emeltchenko#define SMP_UNSPECIFIED 0x08 115aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#define SMP_REPEATED_ATTEMPTS 0x09 11638e4a915663f3f3c03b753d90a34fbb6164ea55dJohan Hedberg#define SMP_INVALID_PARAMS 0x0a 117aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo 1183158c50c33c1acddcfa3c57fab812435aa459750Vinicius Costa Gomes#define SMP_MIN_ENC_KEY_SIZE 7 1193158c50c33c1acddcfa3c57fab812435aa459750Vinicius Costa Gomes#define SMP_MAX_ENC_KEY_SIZE 16 1203158c50c33c1acddcfa3c57fab812435aa459750Vinicius Costa Gomes 1212ceba53936d6f2071659b87748d723021937d035Johan Hedberg/* LTK types used in internal storage (struct smp_ltk) */ 1222ceba53936d6f2071659b87748d723021937d035Johan Hedbergenum { 1232ceba53936d6f2071659b87748d723021937d035Johan Hedberg SMP_STK, 1242ceba53936d6f2071659b87748d723021937d035Johan Hedberg SMP_LTK, 1252ceba53936d6f2071659b87748d723021937d035Johan Hedberg SMP_LTK_SLAVE, 1262ceba53936d6f2071659b87748d723021937d035Johan Hedberg}; 1272ceba53936d6f2071659b87748d723021937d035Johan Hedberg 128a6f7833ca353d50de46e3532afebe4abfc5dc4d9Johan Hedbergstatic inline u8 smp_ltk_sec_level(struct smp_ltk *key) 129a6f7833ca353d50de46e3532afebe4abfc5dc4d9Johan Hedberg{ 130a6f7833ca353d50de46e3532afebe4abfc5dc4d9Johan Hedberg if (key->authenticated) 131a6f7833ca353d50de46e3532afebe4abfc5dc4d9Johan Hedberg return BT_SECURITY_HIGH; 132a6f7833ca353d50de46e3532afebe4abfc5dc4d9Johan Hedberg 133a6f7833ca353d50de46e3532afebe4abfc5dc4d9Johan Hedberg return BT_SECURITY_MEDIUM; 134a6f7833ca353d50de46e3532afebe4abfc5dc4d9Johan Hedberg} 135a6f7833ca353d50de46e3532afebe4abfc5dc4d9Johan Hedberg 136eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia/* SMP Commands */ 137ad32a2f5ced269f5516950fc8f52b6673462d208Johan Hedbergbool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level); 138cc110922da7e902b62d18641a370fec01a9fa794Vinicius Costa Gomesint smp_conn_security(struct hci_conn *hcon, __u8 sec_level); 1392b64d153a0cc9d2b60e47be013cde8490f16e0a5Brian Gixint smp_user_confirm_reply(struct hci_conn *conn, u16 mgmt_op, __le32 passkey); 140eb492e0169974ac6d168f11d1fc1e2753fe1f3b4Anderson Briglia 141defce9e83666658d4420d65e45ab1ad190992f72Johan Hedbergbool smp_irk_matches(struct hci_dev *hdev, u8 irk[16], bdaddr_t *bdaddr); 142defce9e83666658d4420d65e45ab1ad190992f72Johan Hedbergint smp_generate_rpa(struct hci_dev *hdev, u8 irk[16], bdaddr_t *rpa); 14360478054a6af7aa8cceb8218d29d27f165f1c9d3Johan Hedberg 144711eafe345d993cf4831e890fa989d02c06cad62Johan Hedbergint smp_register(struct hci_dev *hdev); 145711eafe345d993cf4831e890fa989d02c06cad62Johan Hedbergvoid smp_unregister(struct hci_dev *hdev); 146711eafe345d993cf4831e890fa989d02c06cad62Johan Hedberg 147aff2cae3546df9f47f9fe24f3e85a7a84e825de8Ville Tervo#endif /* __SMP_H */ 148