- if (!nonce2key_ex(blockNo, keytype - 0x60 , uid, nt, nr, ks_list, &r_key) ){\r
+ if (nonce2key_ex(blockNo, keytype - 0x60 , uid, nt, nr, ks_list, &r_key) ){\r
+ PrintAndLog("Key not found (lfsr_common_prefix list is null)."); \r
+ PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");\r
+ c.arg[0] = false;\r
+ goto start;\r
+ } else {\r