int nonce_distance(uint32_t from, uint32_t to)\r
 {\r
        uint16_t x, i;\r
-       if(!dist) {\r
+       // generate distance lookup table\r
+       if (!dist) {\r
                dist = malloc(2 << 16);\r
-               if(!dist)\r
-                       return -1;\r
+               if (!dist) return -1;\r
+               \r
                for (x = i = 1; i; ++i) {\r
                        dist[(x & 0xff) << 8 | x >> 8] = i;\r
                        x = x >> 1 | (x ^ x >> 2 ^ x >> 3 ^ x >> 5) << 15;\r
  * encrypt the NACK which is observed when varying only the 3 last bits of Nr\r
  * only correct iff [NR_3] ^ NR_3 does not depend on Nr_3\r
  */\r
-uint32_t *lfsr_prefix_ks(uint8_t ks[8], int isodd)\r
+uint32_t* lfsr_prefix_ks(uint8_t ks[8], int isodd)\r
 {\r
        uint32_t *candidates = malloc(4 << 10);\r
        if(!candidates) return 0;\r
 
                        receivedCmd[3], receivedCmd[4], receivedCmd[5],
                        receivedCmd[6], receivedCmd[7], receivedCmd[8]);
                        // Do not respond
-                       modulated_response = resp_sof; modulated_response_size = 0; //order = 0;
+                       modulated_response = resp_sof;
+                       modulated_response_size = 0; //order = 0;
                        trace_data = NULL;
                        trace_data_size = 0;
                }
 
                break;\r
        }\r
        \r
-       //  ----------------------------- crypto1 destroy\r
        crypto1_destroy(pcs);\r
        \r
        if (MF_DBGLEVEL >= 2)   DbpString("READ BLOCK FINISHED");\r
                        memcpy(buf+i+8, &nt_par_enc, 1);\r
                        i += 9;\r
                }\r
-\r
                // wait for the card to become ready again\r
-               while(GetCountSspClk() < timeout);\r
-       \r
+               while(GetCountSspClk() < timeout);      \r
        }\r
 \r
        LED_C_OFF();\r