FIX:  if not found, the range search printed wrong number.
                                case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;\r
                                case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;\r
                                case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");\r
                                case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;\r
                                case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;\r
                                case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");\r
-                                                       PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;\r
+                                                 PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;\r
                                default: ;\r
                        }\r
                        break;\r
                                default: ;\r
                        }\r
                        break;\r
 
                uint64_t testpwd = 0x00;\r
                for (uint16_t c = 0; c < keycnt; ++c ) {\r
        \r
                uint64_t testpwd = 0x00;\r
                for (uint16_t c = 0; c < keycnt; ++c ) {\r
        \r
+                       if (ukbhit()) {\r
+                               getchar();\r
+                               printf("\naborted via keyboard!\n");\r
+                               return 0;\r
+                       }\r
+               \r
                        testpwd = bytes_to_num(keyBlock + 4*c, 4);\r
 \r
                        PrintAndLog("Testing %08X", testpwd);\r
                        testpwd = bytes_to_num(keyBlock + 4*c, 4);\r
 \r
                        PrintAndLog("Testing %08X", testpwd);\r
 
        \r
        if ( start_password >= end_password ) return usage_t55xx_bruteforce();\r
        \r
        \r
        if ( start_password >= end_password ) return usage_t55xx_bruteforce();\r
        \r
-    PrintAndLog("Search password  range [%08X -> %08X]", start_password, end_password);\r
+    PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password);\r
        \r
     uint32_t i = start_password;\r
 \r
     while ((!found) && (i <= end_password)){\r
 \r
        \r
     uint32_t i = start_password;\r
 \r
     while ((!found) && (i <= end_password)){\r
 \r
+               printf(".");\r
+               fflush(stdout);\r
+               if (ukbhit()) {\r
+                       getchar();\r
+                       printf("\naborted via keyboard!\n");\r
+                       return 0;\r
+               }\r
+                       \r
                if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {\r
                        PrintAndLog("Aquireing data from device failed. Quitting");\r
                        return 0;\r
                }\r
                found = tryDetectModulation();\r
         \r
                if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) {\r
                        PrintAndLog("Aquireing data from device failed. Quitting");\r
                        return 0;\r
                }\r
                found = tryDetectModulation();\r
         \r
-               if (found)\r
-                       break;\r
-        \r
-        if ((i % 0x100) == 0) printf("[%08x], ",i);\r
-\r
 
     if (found)\r
                PrintAndLog("Found valid password: [%08x]", i);\r
     else\r
     if (found)\r
                PrintAndLog("Found valid password: [%08x]", i);\r
     else\r
-               PrintAndLog("Password NOT found. Last tried: [%08x]", i);\r
+               PrintAndLog("Password NOT found. Last tried: [%08x]", --i);\r