/*
BlueZ - Bluetooth protocol stack for Linux
Copyright ( C ) 2011 Nokia Corporation and / or its subsidiary ( - ies ) .
This program is free software ; you can redistribute it and / or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation ;
THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS
OR IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS .
IN NO EVENT SHALL THE COPYRIGHT HOLDER ( S ) AND AUTHOR ( S ) BE LIABLE FOR ANY
CLAIM , OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES , OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE , DATA OR PROFITS , WHETHER IN AN
ACTION OF CONTRACT , NEGLIGENCE OR OTHER TORTIOUS ACTION , ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE .
ALL LIABILITY , INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS ,
COPYRIGHTS , TRADEMARKS OR OTHER RIGHTS , RELATING TO USE OF THIS
SOFTWARE IS DISCLAIMED .
*/
#ifndef __SMP_H
#define __SMP_H
struct smp_command_hdr {
__u8 code;
} __packed;
#define SMP_CMD_PAIRING_REQ 0 x01
#define SMP_CMD_PAIRING_RSP 0 x02
struct smp_cmd_pairing {
__u8 io_capability;
__u8 oob_flag;
__u8 auth_req;
__u8 max_key_size;
__u8 init_key_dist;
__u8 resp_key_dist;
} __packed;
#define SMP_IO_DISPLAY_ONLY 0 x00
#define SMP_IO_DISPLAY_YESNO 0 x01
#define SMP_IO_KEYBOARD_ONLY 0 x02
#define SMP_IO_NO_INPUT_OUTPUT 0 x03
#define SMP_IO_KEYBOARD_DISPLAY 0 x04
#define SMP_OOB_NOT_PRESENT 0 x00
#define SMP_OOB_PRESENT 0 x01
#define SMP_DIST_ENC_KEY 0 x01
#define SMP_DIST_ID_KEY 0 x02
#define SMP_DIST_SIGN 0 x04
#define SMP_DIST_LINK_KEY 0 x08
#define SMP_AUTH_NONE 0 x00
#define SMP_AUTH_BONDING 0 x01
#define SMP_AUTH_MITM 0 x04
#define SMP_AUTH_SC 0 x08
#define SMP_AUTH_KEYPRESS 0 x10
#define SMP_AUTH_CT2 0 x20
#define SMP_CMD_PAIRING_CONFIRM 0 x03
struct smp_cmd_pairing_confirm {
__u8 confirm_val[16 ];
} __packed;
#define SMP_CMD_PAIRING_RANDOM 0 x04
struct smp_cmd_pairing_random {
__u8 rand_val[16 ];
} __packed;
#define SMP_CMD_PAIRING_FAIL 0 x05
struct smp_cmd_pairing_fail {
__u8 reason;
} __packed;
#define SMP_CMD_ENCRYPT_INFO 0 x06
struct smp_cmd_encrypt_info {
__u8 ltk[16 ];
} __packed;
#define SMP_CMD_INITIATOR_IDENT 0 x07
struct smp_cmd_initiator_ident {
__le16 ediv;
__le64 rand;
} __packed;
#define SMP_CMD_IDENT_INFO 0 x08
struct smp_cmd_ident_info {
__u8 irk[16 ];
} __packed;
#define SMP_CMD_IDENT_ADDR_INFO 0 x09
struct smp_cmd_ident_addr_info {
__u8 addr_type;
bdaddr_t bdaddr;
} __packed;
#define SMP_CMD_SIGN_INFO 0 x0a
struct smp_cmd_sign_info {
__u8 csrk[16 ];
} __packed;
#define SMP_CMD_SECURITY_REQ 0 x0b
struct smp_cmd_security_req {
__u8 auth_req;
} __packed;
#define SMP_CMD_PUBLIC_KEY 0 x0c
struct smp_cmd_public_key {
__u8 x[32 ];
__u8 y[32 ];
} __packed;
#define SMP_CMD_DHKEY_CHECK 0 x0d
struct smp_cmd_dhkey_check {
__u8 e[16 ];
} __packed;
#define SMP_CMD_KEYPRESS_NOTIFY 0 x0e
struct smp_cmd_keypress_notify {
__u8 value;
} __packed;
#define SMP_CMD_MAX 0 x0e
#define SMP_PASSKEY_ENTRY_FAILED 0 x01
#define SMP_OOB_NOT_AVAIL 0 x02
#define SMP_AUTH_REQUIREMENTS 0 x03
#define SMP_CONFIRM_FAILED 0 x04
#define SMP_PAIRING_NOTSUPP 0 x05
#define SMP_ENC_KEY_SIZE 0 x06
#define SMP_CMD_NOTSUPP 0 x07
#define SMP_UNSPECIFIED 0 x08
#define SMP_REPEATED_ATTEMPTS 0 x09
#define SMP_INVALID_PARAMS 0 x0a
#define SMP_DHKEY_CHECK_FAILED 0 x0b
#define SMP_NUMERIC_COMP_FAILED 0 x0c
#define SMP_BREDR_PAIRING_IN_PROGRESS 0 x0d
#define SMP_CROSS_TRANSP_NOT_ALLOWED 0 x0e
#define SMP_KEY_REJECTED 0 x0f
#define SMP_MIN_ENC_KEY_SIZE 7
#define SMP_MAX_ENC_KEY_SIZE 16
/* LTK types used in internal storage (struct smp_ltk) */
enum {
SMP_STK,
SMP_LTK,
SMP_LTK_RESPONDER,
SMP_LTK_P256,
SMP_LTK_P256_DEBUG,
};
static inline bool smp_ltk_is_sc(struct smp_ltk *key)
{
switch (key->type) {
case SMP_LTK_P256:
case SMP_LTK_P256_DEBUG:
return true ;
}
return false ;
}
static inline u8 smp_ltk_sec_level(struct smp_ltk *key)
{
if (key->authenticated) {
if (smp_ltk_is_sc(key))
return BT_SECURITY_FIPS;
else
return BT_SECURITY_HIGH;
}
return BT_SECURITY_MEDIUM;
}
/* Key preferences for smp_sufficient security */
enum smp_key_pref {
SMP_ALLOW_STK,
SMP_USE_LTK,
};
/* SMP Commands */
int smp_cancel_and_remove_pairing(struct hci_dev *hdev, bdaddr_t *bdaddr,
u8 addr_type);
bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level,
enum smp_key_pref key_pref);
int smp_conn_security(struct hci_conn *hcon, __u8 sec_level);
int smp_user_confirm_reply(struct hci_conn *conn, u16 mgmt_op, __le32 passkey);
bool smp_irk_matches(struct hci_dev *hdev, const u8 irk[16 ],
const bdaddr_t *bdaddr);
int smp_generate_rpa(struct hci_dev *hdev, const u8 irk[16 ], bdaddr_t *rpa);
int smp_generate_oob(struct hci_dev *hdev, u8 hash[16 ], u8 rand[16 ]);
int smp_force_bredr(struct hci_dev *hdev, bool enable);
int smp_register(struct hci_dev *hdev);
void smp_unregister(struct hci_dev *hdev);
#if IS_ENABLED(CONFIG_BT_SELFTEST_SMP)
int bt_selftest_smp(void );
#else
static inline int bt_selftest_smp(void )
{
return 0 ;
}
#endif
#endif /* __SMP_H */
Messung V0.5 in Prozent C=98 H=100 G=98
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-09-29)
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