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fix(bt/bluedroid): fix BLE SMP pairing failure on BLE-only devices when using default param

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zhanghaipeng
2026-04-01 12:10:16 +08:00
parent 582451a451
commit 74a053bd4e
3 changed files with 17 additions and 11 deletions
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components/bt/host/bluedroid/stack/include/stack/btm_api.h
+7 -2
View File
@@ -1586,8 +1586,13 @@ typedef UINT8 tBTM_IO_CAP;
#define BTM_BLE_CSR_KEY_MASK (1 << 2)
#define BTM_BLE_LINK_KEY_MASK (1 << 3)
#define BTM_BLE_INITIATOR_KEY_SIZE 15
#define BTM_BLE_RESPONDER_KEY_SIZE 15
#if (CLASSIC_BT_INCLUDED == TRUE)
#define BTM_BLE_INITIATOR_KEY_MASK (BTM_BLE_ENC_KEY_MASK | BTM_BLE_ID_KEY_MASK | BTM_BLE_CSR_KEY_MASK | BTM_BLE_LINK_KEY_MASK)
#define BTM_BLE_RESPONDER_KEY_MASK (BTM_BLE_ENC_KEY_MASK | BTM_BLE_ID_KEY_MASK | BTM_BLE_CSR_KEY_MASK | BTM_BLE_LINK_KEY_MASK)
#else
#define BTM_BLE_INITIATOR_KEY_MASK (BTM_BLE_ENC_KEY_MASK | BTM_BLE_ID_KEY_MASK | BTM_BLE_CSR_KEY_MASK)
#define BTM_BLE_RESPONDER_KEY_MASK (BTM_BLE_ENC_KEY_MASK | BTM_BLE_ID_KEY_MASK | BTM_BLE_CSR_KEY_MASK)
#endif
#define BTM_BLE_MAX_KEY_SIZE 16
#define BTM_BLE_MIN_KEY_SIZE 7
components/bt/host/bluedroid/stack/smp/smp_keys.c
+4 -3
View File
@@ -2299,9 +2299,10 @@ BOOLEAN smp_calculate_link_key_from_long_term_key(tSMP_CB *p_cb)
link_key_type = BTM_LKEY_TYPE_UNAUTH_COMB;
}
} else {
SMP_TRACE_ERROR ("%s failed to update link_key. Sec Mode = %d, sm4 = 0x%02x",
__func__, btm_cb.security_mode, p_dev_rec->sm4);
return FALSE;
SMP_TRACE_WARNING ("%s BR/EDR transport not available (Sec Mode = %d, sm4 = 0x%02x), "
"skip LK derivation",
__func__, btm_cb.security_mode, p_dev_rec->sm4);
return TRUE;
}
link_key_type += BTM_LTK_DERIVED_LKEY_OFFSET;