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Bluetooth: Host: Add option to force pairing in bt_conn_security

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Add option to force the host to initiate pairing procedure even if the
host has encryption keys for the peer.
This option can be used to pair with a bonded peer that has deleted its
bonding information without deleting the keys. If new pairing results
in weaker keys the pairing will be aborted.

Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
This commit is contained in:
Joakim Andersson 2019-08-21 10:51:14 +02:00 • committed by Carles Cufí
commit 128cf42d8a
4 changed files with 12 additions and 1 deletions
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4
include/bluetooth/conn.h
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@ -288,6 +288,10 @@ typedef enum __packed {
BT_SECURITY_HIGH,
/** Authenticated Secure Connections */
BT_SECURITY_FIPS,
/** Bit to force new pairing procedure, bit-wise OR with requested
* security level.
*/
BT_SECURITY_FORCE_PAIR = BIT(7),
} bt_security_t;
/** @brief Set security level for a connection.