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sm: reject CTKD over BR in responder role without secure connection

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This commit is contained in:
Matthias Ringwald 2023-07-12 18:18:21 +02:00
parent b1da498351
commit b322498edf
1 changed files with 8 additions and 0 deletions
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8
src/ble/sm.c
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@ -4691,6 +4691,14 @@ static void sm_pdu_handler(uint8_t packet_type, hci_con_handle_t con_handle, uin
break;
#ifdef ENABLE_CROSS_TRANSPORT_KEY_DERIVATION
case SM_BR_EDR_W4_ENCRYPTION_COMPLETE:
// GAP/DM/LEP/BI-02-C - reject CTKD if P-192 encryption is used
if (sm_pdu_code == SM_CODE_PAIRING_REQUEST){
sm_pairing_error(sm_conn, SM_REASON_CROSS_TRANSPORT_KEY_DERIVATION_NOT_ALLOWED);
}
break;
case SM_BR_EDR_INITIATOR_W4_PAIRING_RESPONSE:
// dedicated bonding complete