1 /* 2 BlueZ - Bluetooth protocol stack for Linux 3 Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License version 2 as 7 published by the Free Software Foundation; 8 9 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 10 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 11 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 12 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 13 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 14 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 18 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 19 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 20 SOFTWARE IS DISCLAIMED. 21 */ 22 23 #ifndef __SMP_H 24 #define __SMP_H 25 26 struct smp_command_hdr { 27 __u8 code; 28 } __packed; 29 30 #define SMP_CMD_PAIRING_REQ 0x01 31 #define SMP_CMD_PAIRING_RSP 0x02 32 struct smp_cmd_pairing { 33 __u8 io_capability; 34 __u8 oob_flag; 35 __u8 auth_req; 36 __u8 max_key_size; 37 __u8 init_key_dist; 38 __u8 resp_key_dist; 39 } __packed; 40 41 #define SMP_IO_DISPLAY_ONLY 0x00 42 #define SMP_IO_DISPLAY_YESNO 0x01 43 #define SMP_IO_KEYBOARD_ONLY 0x02 44 #define SMP_IO_NO_INPUT_OUTPUT 0x03 45 #define SMP_IO_KEYBOARD_DISPLAY 0x04 46 47 #define SMP_OOB_NOT_PRESENT 0x00 48 #define SMP_OOB_PRESENT 0x01 49 50 #define SMP_DIST_ENC_KEY 0x01 51 #define SMP_DIST_ID_KEY 0x02 52 #define SMP_DIST_SIGN 0x04 53 54 #define SMP_AUTH_NONE 0x00 55 #define SMP_AUTH_BONDING 0x01 56 #define SMP_AUTH_MITM 0x04 57 58 #define SMP_CMD_PAIRING_CONFIRM 0x03 59 struct smp_cmd_pairing_confirm { 60 __u8 confirm_val[16]; 61 } __packed; 62 63 #define SMP_CMD_PAIRING_RANDOM 0x04 64 struct smp_cmd_pairing_random { 65 __u8 rand_val[16]; 66 } __packed; 67 68 #define SMP_CMD_PAIRING_FAIL 0x05 69 struct smp_cmd_pairing_fail { 70 __u8 reason; 71 } __packed; 72 73 #define SMP_CMD_ENCRYPT_INFO 0x06 74 struct smp_cmd_encrypt_info { 75 __u8 ltk[16]; 76 } __packed; 77 78 #define SMP_CMD_MASTER_IDENT 0x07 79 struct smp_cmd_master_ident { 80 __le16 ediv; 81 __le64 rand; 82 } __packed; 83 84 #define SMP_CMD_IDENT_INFO 0x08 85 struct smp_cmd_ident_info { 86 __u8 irk[16]; 87 } __packed; 88 89 #define SMP_CMD_IDENT_ADDR_INFO 0x09 90 struct smp_cmd_ident_addr_info { 91 __u8 addr_type; 92 bdaddr_t bdaddr; 93 } __packed; 94 95 #define SMP_CMD_SIGN_INFO 0x0a 96 struct smp_cmd_sign_info { 97 __u8 csrk[16]; 98 } __packed; 99 100 #define SMP_CMD_SECURITY_REQ 0x0b 101 struct smp_cmd_security_req { 102 __u8 auth_req; 103 } __packed; 104 105 #define SMP_PASSKEY_ENTRY_FAILED 0x01 106 #define SMP_OOB_NOT_AVAIL 0x02 107 #define SMP_AUTH_REQUIREMENTS 0x03 108 #define SMP_CONFIRM_FAILED 0x04 109 #define SMP_PAIRING_NOTSUPP 0x05 110 #define SMP_ENC_KEY_SIZE 0x06 111 #define SMP_CMD_NOTSUPP 0x07 112 #define SMP_UNSPECIFIED 0x08 113 #define SMP_REPEATED_ATTEMPTS 0x09 114 #define SMP_INVALID_PARAMS 0x0a 115 116 #define SMP_MIN_ENC_KEY_SIZE 7 117 #define SMP_MAX_ENC_KEY_SIZE 16 118 119 /* SMP Commands */ 120 bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level); 121 int smp_conn_security(struct hci_conn *hcon, __u8 sec_level); 122 int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb); 123 int smp_distribute_keys(struct l2cap_conn *conn); 124 int smp_user_confirm_reply(struct hci_conn *conn, u16 mgmt_op, __le32 passkey); 125 126 void smp_chan_destroy(struct l2cap_conn *conn); 127 128 bool smp_irk_matches(struct crypto_blkcipher *tfm, u8 irk[16], 129 bdaddr_t *bdaddr); 130 int smp_generate_rpa(struct crypto_blkcipher *tfm, u8 irk[16], bdaddr_t *rpa); 131 132 #endif /* __SMP_H */ 133