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Luiz Augusto von Dentz 1dd8db17ad Bluetooth: Disconnect if E0 is used for Level 4 
commit 8746f135bb01872ff412d408ea1aa9ebd328c1f5 upstream.

E0 is not allowed with Level 4:

BLUETOOTH CORE SPECIFICATION Version 5.2 | Vol 3, Part C page 1319:

  '128-bit equivalent strength for link and encryption keys
   required using FIPS approved algorithms (E0 not allowed,
   SAFER+ not allowed, and P-192 not allowed; encryption key
   not shortened'

SC enabled:

> HCI Event: Read Remote Extended Features (0x23) plen 13
        Status: Success (0x00)
        Handle: 256
        Page: 1/2
        Features: 0x0b 0x00 0x00 0x00 0x00 0x00 0x00 0x00
          Secure Simple Pairing (Host Support)
          LE Supported (Host)
          Secure Connections (Host Support)
> HCI Event: Encryption Change (0x08) plen 4
        Status: Success (0x00)
        Handle: 256
        Encryption: Enabled with AES-CCM (0x02)

SC disabled:

> HCI Event: Read Remote Extended Features (0x23) plen 13
        Status: Success (0x00)
        Handle: 256
        Page: 1/2
        Features: 0x03 0x00 0x00 0x00 0x00 0x00 0x00 0x00
          Secure Simple Pairing (Host Support)
          LE Supported (Host)
> HCI Event: Encryption Change (0x08) plen 4
        Status: Success (0x00)
        Handle: 256
        Encryption: Enabled with E0 (0x01)
[May 8 20:23] Bluetooth: hci0: Invalid security: expect AES but E0 was used
< HCI Command: Disconnect (0x01|0x0006) plen 3
        Handle: 256
        Reason: Authentication Failure (0x05)

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: Hans-Christian Noren Egtvedt <hegtvedt@cisco.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-17 11:02:19 +02:00
..
bnep
Bluetooth: bnep: fix possible might sleep error in bnep_session
2017-08-30 10:21:52 +02:00
cmtp
Bluetooth: cmtp: fix possible might sleep error in cmtp_session
2017-08-30 10:21:52 +02:00
hidp
Bluetooth: hidp: fix buffer overflow
2019-05-10 17:52:10 +02:00
rfcomm
Bluetooth: RFCOMM: fix ODEBUG bug in rfcomm_dev_ioctl
2020-04-13 10:32:57 +02:00
6lowpan.c
Bluetooth: add a mutex lock to avoid UAF in do_enale_set
2020-08-21 11:01:57 +02:00
a2mp.c
Bluetooth: A2MP: Fix not initializing all members
2020-10-17 11:02:18 +02:00
a2mp.h
Bluetooth: Add BT_HS config option
2015-07-30 13:31:59 +02:00
af_bluetooth.c
Bluetooth: Avoid bt_accept_unlink() double unlinking
2018-03-22 09:17:52 +01:00
amp.c
Bluetooth: Fix breakage in amp_write_rem_assoc_frag()
2015-08-10 20:41:34 +02:00
amp.h
Bluetooth: Add BT_HS config option
2015-07-30 13:31:59 +02:00
ecc.c
…
ecc.h
…
hci_conn.c
Bluetooth: Disconnect if E0 is used for Level 4
2020-10-17 11:02:19 +02:00
hci_core.c
Bluetooth: hci_core: fix init for HCI_USER_CHANNEL
2020-01-04 13:39:26 +01:00
hci_debugfs.c
Bluetooth: Add debugfs fields for hardware and firmware info
2016-07-18 09:33:28 +03:00
hci_debugfs.h
Bluetooth: Provide option to enable/disable debugfs information
2015-02-15 18:54:13 +02:00
hci_event.c
Bluetooth: Disconnect if E0 is used for Level 4
2020-10-17 11:02:19 +02:00
hci_request.c
Bluetooth: Fix advertising duplicated flags
2020-01-04 13:39:31 +01:00
hci_request.h
Bluetooth: Fix append max 11 bytes of name to scan rsp data
2016-10-19 18:42:37 +02:00
hci_sock.c
Bluetooth: Fix race condition in hci_release_sock()
2020-02-05 13:05:47 +00:00
hci_sysfs.c
Bluetooth: Remove controller device attributes
2016-07-09 21:37:11 +03:00
Kconfig
Bluetooth: add LED trigger for indicating HCI is powered up
2016-02-23 20:29:35 +01:00
l2cap_core.c
Bluetooth: L2CAP: Fix calling sk_filter on non-socket based channel
2020-10-17 11:02:19 +02:00
l2cap_sock.c
Bluetooth: L2CAP: Fix calling sk_filter on non-socket based channel
2020-10-17 11:02:19 +02:00
leds.c
Bluetooth: Add combined LED trigger for controller power
2016-09-19 20:19:34 +02:00
leds.h
Bluetooth: Add combined LED trigger for controller power
2016-09-19 20:19:34 +02:00
lib.c
Bluetooth: Add BT_WARN and bt_dev_warn logging macros
2015-09-24 16:25:44 +02:00
Makefile
Bluetooth: add LED trigger for indicating HCI is powered up
2016-02-23 20:29:35 +01:00
mgmt_util.c
Bluetooth: Add support for sending MGMT commands and events to monitor
2016-09-19 20:19:34 +02:00
mgmt_util.h
Bluetooth: Add generic mgmt helper API
2015-03-17 18:03:08 +01:00
mgmt.c
Bluetooth: MGMT: Fix not checking if BT_HS is enabled
2020-10-17 11:02:19 +02:00
sco.c
Bluetooth: avoid killing an already killed socket
2018-08-22 07:47:15 +02:00
selftest.c
Bluetooth: Export ECDH selftest result in debugfs
2015-04-02 08:47:38 +03:00
selftest.h
Bluetooth: Add support for self testing framework
2014-12-30 08:53:55 +02:00
smp.c
Bluetooth: Add SMP workaround Microsoft Surface Precision Mouse bug
2019-08-04 09:33:32 +02:00
smp.h
Bluetooth: SMP: fix crash in unpairing
2018-11-10 07:42:42 -08:00