fixes #1199: introduce special bit (8) in message_pair (HCCAPX) to indicate if replay counter match

docs/changes.txt

@@ -6,6 +6,7 @@
 
 - WPA cracking: Added support for WPA/WPA2 handshake AP nonce automatic error correction
 - WPA cracking: Added parameter --nonce-error-corrections to configure range of error correction
+- WPA cracking: Added support for a special bit (bit 8) of the message_pair that indicates if replay counters did match
 - Added visual indicator to the status screen to indicate if the checkpoint quit feature is enabled
 
 ##

src/interface.c

@@ -2785,6 +2785,8 @@ int wpa_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED
   memcpy (wpa->orig_nonce_ap,  in.nonce_ap,  32);
   memcpy (wpa->orig_nonce_sta, in.nonce_sta, 32);
 
+  in.message_pair &= 0x7f; // ignore the highest bit (it is used to indicate if the replay counters did match)
+
   if (wpa->message_pair_chgd == true)
   {
     if (wpa->message_pair != in.message_pair) return (PARSER_HCCAPX_MESSAGE_PAIR);