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hci: make use of encryption key size v2 event

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This commit is contained in:
Matthias Ringwald 2022-02-28 18:04:37 +01:00
parent 9af58dd9c8
commit a355334e49
1 changed files with 13 additions and 5 deletions
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18
src/hci.c
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@ -3272,6 +3272,7 @@ static void event_handler(uint8_t *packet, uint16_t size){
#endif
case HCI_EVENT_ENCRYPTION_CHANGE:
case HCI_EVENT_ENCRYPTION_CHANGE_V2:
handle = hci_event_encryption_change_get_connection_handle(packet);
conn = hci_connection_for_handle(handle);
if (!conn) break;
@ -3311,12 +3312,19 @@ static void event_handler(uint8_t *packet, uint16_t size){
// work around for issue with PTS dongle
conn->authentication_flags |= AUTH_FLAG_CONNECTION_AUTHENTICATED;
#endif
if (hci_command_supported(SUPPORTED_HCI_COMMAND_READ_ENCRYPTION_KEY_SIZE)){
// For Classic, we need to validate encryption key size first, if possible (== supported by Controller)
conn->bonding_flags |= BONDING_SEND_READ_ENCRYPTION_KEY_SIZE;
// validate encryption key size
if (hci_event_packet_get_type(packet) == HCI_EVENT_ENCRYPTION_CHANGE_V2) {
uint8_t encryption_key_size = hci_event_encryption_change_v2_get_encryption_key_size(packet);
// already got encryption key size
hci_handle_read_encryption_key_size_complete(conn, encryption_key_size);
} else {
// if not, pretend everything is perfect
hci_handle_read_encryption_key_size_complete(conn, 16);
if (hci_command_supported(SUPPORTED_HCI_COMMAND_READ_ENCRYPTION_KEY_SIZE)) {
// For Classic, we need to validate encryption key size first, if possible (== supported by Controller)
conn->bonding_flags |= BONDING_SEND_READ_ENCRYPTION_KEY_SIZE;
} else {
// if not, pretend everything is perfect
hci_handle_read_encryption_key_size_complete(conn, 16);
}
}
}
#endif