diff --git a/components/bt/host/nimble/Kconfig.in b/components/bt/host/nimble/Kconfig.in index 2bb142c56c..2e7a2a7a3f 100644 --- a/components/bt/host/nimble/Kconfig.in +++ b/components/bt/host/nimble/Kconfig.in @@ -163,6 +163,16 @@ config BT_NIMBLE_NVS_PERSIST help Enable this flag to make bonding persistent across device reboots +config BT_NIMBLE_SMP_ID_RESET + bool "Reset device identity when all bonding records are deleted" + default n + help + There are tracking risks associated with using a fixed or static IRK. + If enabled this option, Bluedroid will assign a new randomly-generated IRK + when all pairing and bonding records are deleted. This would decrease the ability + of a previously paired peer to be used to determine whether a device + with which it previously shared an IRK is within range. + menuconfig BT_NIMBLE_SECURITY_ENABLE bool "Enable BLE SM feature" depends on BT_NIMBLE_ENABLED diff --git a/components/bt/host/nimble/nimble b/components/bt/host/nimble/nimble index 6d147bba6c..c8f12ce6f1 160000 --- a/components/bt/host/nimble/nimble +++ b/components/bt/host/nimble/nimble @@ -1 +1 @@ -Subproject commit 6d147bba6cbfe3e49836781a0a6f90e6f52e5538 +Subproject commit c8f12ce6f1ef0e8cf4c143efaa3bb96e2ec31dca diff --git a/components/bt/host/nimble/port/include/esp_nimble_cfg.h b/components/bt/host/nimble/port/include/esp_nimble_cfg.h index a7734ba3f7..f4ddae5452 100644 --- a/components/bt/host/nimble/port/include/esp_nimble_cfg.h +++ b/components/bt/host/nimble/port/include/esp_nimble_cfg.h @@ -824,6 +824,14 @@ #define MYNEWT_VAL_BLE_SM_THEIR_KEY_DIST (0) #endif +#ifndef MYNEWT_VAL_BLE_SMP_ID_RESET +#ifdef CONFIG_BT_NIMBLE_SMP_ID_RESET +#define MYNEWT_VAL_BLE_SMP_ID_RESET CONFIG_BT_NIMBLE_SMP_ID_RESET +#else +#define MYNEWT_VAL_BLE_SMP_ID_RESET (0) +#endif +#endif + #ifndef MYNEWT_VAL_BLE_CRYPTO_STACK_MBEDTLS #define MYNEWT_VAL_BLE_CRYPTO_STACK_MBEDTLS (CONFIG_BT_NIMBLE_CRYPTO_STACK_MBEDTLS) #endif