Help¶

With this option enabled, if a pairing attempt occurs and the key storage is full, then the oldest keys in storage will be removed to free space for the new pairing keys.

Direct dependencies¶

BT_SMP && BT_CONN && BT_HCI_HOST && BT_HCI && BT

(Includes any dependencies from ifs and menus.)

Defaults¶

No defaults. Implicitly defaults to n.

Kconfig definition¶

At <Zephyr>/subsys/bluetooth/host/Kconfig:488

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:34 → <Zephyr>/subsys/Kconfig:9 → <Zephyr>/subsys/bluetooth/Kconfig:239

Menu path: (Top) → Sub Systems and OS Services → Bluetooth → Security Manager Protocol support

config BT_KEYS_OVERWRITE_OLDEST
    bool "Overwrite oldest keys with new ones if key storage is full"
    depends on BT_SMP && BT_CONN && BT_HCI_HOST && BT_HCI && BT
    help
      With this option enabled, if a pairing attempt occurs and the key storage
      is full, then the oldest keys in storage will be removed to free space
      for the new pairing keys.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)