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sm: ignore auth request bits for ctkd over classic

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Matthias Ringwald 2024-04-15 14:27:35 +02:00
parent 308e35cf33
commit 7a226bd15a
1 changed files with 0 additions and 3 deletions
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src/ble/sm.c
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@ -2599,9 +2599,6 @@ static bool sm_ctkd_from_classic(sm_connection_t * sm_connection){
// requirements to derive ltk from BR/EDR:
// - BR/EDR uses secure connections
if (gap_secure_connection_for_link_key_type(hci_connection->link_key_type) == false) return false;
// - bonding needs to be enabled:
bool bonding_enabled = (sm_pairing_packet_get_auth_req(setup->sm_m_preq) & sm_pairing_packet_get_auth_req(setup->sm_s_pres) & SM_AUTHREQ_BONDING ) != 0u;
if (!bonding_enabled) return false;
// - there is no stored LTK or the derived key has at least the same level of authentication (bail if LTK is authenticated but Link Key isn't)
bool link_key_authenticated = gap_authenticated_for_link_key_type(hci_connection->link_key_type);
if (link_key_authenticated) return true;