]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf14a.c
Fixed: "hf mfdes info"
[proxmark3-svn] / client / cmdhf14a.c
index e0b1c3a91ed2a3b8ecc01ce6d2871041ba9d6c5c..bd19cee41990aa1056852854450a4f1dd53c5382 100644 (file)
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <conio.h>
+#include <unistd.h>
 #include "util.h"
-#include "iso14443crc.h"
+#include "../common/iso14443crc.h"
 #include "data.h"
-#include "proxusb.h"
+#include "proxmark3.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhf14a.h"
-#include "common.h"
+#include "../include/common.h"
 #include "cmdmain.h"
-#include "nonce2key/nonce2key.h"
-#include "nonce2key/crapto1.h"
+#include "../include/mifare.h"
 
 static int CmdHelp(const char *Cmd);
+static void waitCmd(uint8_t iLen);
 
 int CmdHF14AList(const char *Cmd)
 {
-  uint8_t got[1920];
-  GetFromBigBuf(got, sizeof(got));
-
-  PrintAndLog("recorded activity:");
-  PrintAndLog(" ETU     :rssi: who bytes");
-  PrintAndLog("---------+----+----+-----------");
-
-  int i = 0;
-  int prev = -1;
-
-  for (;;) {
-    if(i >= 1900) {
-      break;
-    }
-
-    bool isResponse;
-    int timestamp = *((uint32_t *)(got+i));
-    if (timestamp & 0x80000000) {
-      timestamp &= 0x7fffffff;
-      isResponse = 1;
-    } else {
-      isResponse = 0;
-    }
-
-    int metric = 0;
-    int parityBits = *((uint32_t *)(got+i+4));
-    // 4 bytes of additional information...
-    // maximum of 32 additional parity bit information
-    //
-    // TODO:
-    // at each quarter bit period we can send power level (16 levels)
-    // or each half bit period in 256 levels.
-
-
-    int len = got[i+8];
+       bool ShowWaitCycles = false;
+       char param = param_getchar(Cmd, 0);
+       
+       if (param == 'h' || (param != 0 && param != 'f')) {
+               PrintAndLog("List data in trace buffer.");
+               PrintAndLog("Usage:  hf 14a list [f]");
+               PrintAndLog("f - show frame delay times as well");
+               PrintAndLog("sample: hf 14a list f");
+               return 0;
+       }       
 
-    if (len > 100) {
-      break;
-    }
-    if (i + len >= 1900) {
-      break;
-    }
+       if (param == 'f') {
+               ShowWaitCycles = true;
+       }
+               
+       uint8_t got[1920];
+       GetFromBigBuf(got,sizeof(got),0);
+       WaitForResponse(CMD_ACK,NULL);
+
+       PrintAndLog("Recorded Activity");
+       PrintAndLog("");
+       PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
+       PrintAndLog("All times are in carrier periods (1/13.56Mhz)");
+       PrintAndLog("");
+       PrintAndLog("     Start |       End | Src | Data");
+       PrintAndLog("-----------|-----------|-----|--------");
+
+       int i = 0;
+       uint32_t first_timestamp = 0;
+       uint32_t timestamp;
+       uint32_t EndOfTransmissionTimestamp = 0;
+       
+       for (;;) {
+               if(i >= 1900) {
+                       break;
+               }
 
-    uint8_t *frame = (got+i+9);
+               bool isResponse;
+               timestamp = *((uint32_t *)(got+i));
+               if (timestamp & 0x80000000) {
+                 timestamp &= 0x7fffffff;
+                 isResponse = true;
+               } else {
+                 isResponse = false;
+               }
 
-    // Break and stick with current result if buffer was not completely full
-    if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
+               if(i==0) {
+                       first_timestamp = timestamp;
+               }
+               
+               int parityBits = *((uint32_t *)(got+i+4));
 
-    char line[1000] = "";
-    int j;
-    for (j = 0; j < len; j++) {
-      int oddparity = 0x01;
-      int k;
+               int len = got[i+8];
 
-      for (k=0;k<8;k++) {
-        oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
-      }
+               if (len > 100) {
+                       break;
+               }
+               if (i + len >= 1900) {
+                       break;
+               }
 
-      //if((parityBits >> (len - j - 1)) & 0x01) {
-      if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
-        sprintf(line+(j*4), "%02x!  ", frame[j]);
-      }
-      else {
-        sprintf(line+(j*4), "%02x   ", frame[j]);
-      }
-    }
+               uint8_t *frame = (got+i+9);
+
+               // Break and stick with current result if buffer was not completely full
+               if (frame[0] == 0x44 && frame[1] == 0x44 && frame[2] == 0x44 && frame[3] == 0x44) break; 
+
+               char line[1000] = "";
+               int j;
+               if (len) {
+                       for (j = 0; j < len; j++) {
+                               int oddparity = 0x01;
+                               int k;
+
+                               for (k=0;k<8;k++) {
+                                       oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
+                               }
+
+                               //if((parityBits >> (len - j - 1)) & 0x01) {
+                               if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
+                                       sprintf(line+(j*4), "%02x!  ", frame[j]);
+                               } else {
+                                       sprintf(line+(j*4), "%02x   ", frame[j]);
+                               }
+                       }
+               } else {
+                       if (ShowWaitCycles) {
+                               uint32_t next_timestamp = (*((uint32_t *)(got+i+9))) & 0x7fffffff;
+                               sprintf(line, "fdt (Frame Delay Time): %d", (next_timestamp - timestamp));
+                       }
+               }
 
-    char *crc;
-    crc = "";
-    if (len > 2) {
-      uint8_t b1, b2;
-      for (j = 0; j < (len - 1); j++) {
-        // gives problems... search for the reason..
-        /*if(frame[j] == 0xAA) {
-          switch(frame[j+1]) {
-            case 0x01:
-              crc = "[1] Two drops close after each other";
-            break;
-            case 0x02:
-              crc = "[2] Potential SOC with a drop in second half of bitperiod";
-              break;
-            case 0x03:
-              crc = "[3] Segment Z after segment X is not possible";
-              break;
-            case 0x04:
-              crc = "[4] Parity bit of a fully received byte was wrong";
-              break;
-            default:
-              crc = "[?] Unknown error";
-              break;
-          }
-          break;
-        }*/
-      }
-
-      if (strlen(crc)==0) {
-        ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
-        if (b1 != frame[len-2] || b2 != frame[len-1]) {
-          crc = (isResponse & (len < 6)) ? "" : " !crc";
-        } else {
-          crc = "";
-        }
-      }
-    } else {
-      crc = ""; // SHORT
-    }
+               char *crc;
+               crc = "";
+               if (len > 2) {
+                       uint8_t b1, b2;
+                       for (j = 0; j < (len - 1); j++) {
+                               // gives problems... search for the reason..
+                               /*if(frame[j] == 0xAA) {
+                                       switch(frame[j+1]) {
+                                               case 0x01:
+                                                       crc = "[1] Two drops close after each other";
+                                                       break;
+                                               case 0x02:
+                                                       crc = "[2] Potential SOC with a drop in second half of bitperiod";
+                                                       break;
+                                               case 0x03:
+                                                       crc = "[3] Segment Z after segment X is not possible";
+                                                       break;
+                                               case 0x04:
+                                                       crc = "[4] Parity bit of a fully received byte was wrong";
+                                                       break;
+                                               default:
+                                                       crc = "[?] Unknown error";
+                                                       break;
+                                       }
+                                       break;
+                               }*/
+                       }
+
+                       if (strlen(crc)==0) {
+                               ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
+                               if (b1 != frame[len-2] || b2 != frame[len-1]) {
+                                       crc = (isResponse & (len < 6)) ? "" : " !crc";
+                               } else {
+                                       crc = "";
+                               }
+                       }
+               } else {
+                       crc = ""; // SHORT
+               }
 
-    char metricString[100];
-    if (isResponse) {
-      sprintf(metricString, "%3d", metric);
-    } else {
-      strcpy(metricString, "   ");
-    }
+               i += (len + 9);
 
-    PrintAndLog(" +%7d: %s: %s %s %s",
-      (prev < 0 ? 0 : (timestamp - prev)),
-      metricString,
-      (isResponse ? "TAG" : "   "), line, crc);
+               EndOfTransmissionTimestamp = (*((uint32_t *)(got+i))) & 0x7fffffff;
+               
+               if (!ShowWaitCycles) i += 9;
+               
+               PrintAndLog(" %9d | %9d | %s | %s %s",
+                       (timestamp - first_timestamp),
+                       (EndOfTransmissionTimestamp - first_timestamp),
+                       (len?(isResponse ? "Tag" : "Rdr"):"   "),
+                       line, crc);
 
-    prev = timestamp;
-    i += (len + 9);
-  }
+       }
        return 0;
 }
 
@@ -159,460 +181,490 @@ void iso14a_set_timeout(uint32_t timeout) {
        SendCommand(&c);
 }
 
-int CmdHF14AMifare(const char *Cmd)
+int CmdHF14AReader(const char *Cmd)
 {
-       uint32_t uid = 0;
-       uint32_t nt = 0;
-       uint64_t par_list = 0, ks_list = 0, r_key = 0;
-       uint8_t isOK = 0;
-       
-       UsbCommand c = {CMD_READER_MIFARE, {strtol(Cmd, NULL, 0), 0, 0}};
+       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
        SendCommand(&c);
-       
-       //flush queue
-       while (kbhit()) getchar();
-       while (WaitForResponseTimeout(CMD_ACK, 500) != NULL) ;
-
-       // message
-       printf("-------------------------------------------------------------------------\n");
-       printf("Executing command. It may take up to 30 min.\n");
-       printf("Press the key on proxmark3 device to abort proxmark3.\n");
-       printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
-       printf("-------------------------------------------------------------------------\n");
-       
-       // wait cycle
-       while (true) {
-               printf(".");
-               if (kbhit()) {
-                       getchar();
-                       printf("\naborted via keyboard!\n");
-                       break;
-               }
-               
-               UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 2000);
-               if (resp != NULL) {
-                       isOK  = resp->arg[0] & 0xff;
-       
-                       uid = (uint32_t)bytes_to_num(resp->d.asBytes +  0, 4);
-                       nt =  (uint32_t)bytes_to_num(resp->d.asBytes +  4, 4);
-                       par_list = bytes_to_num(resp->d.asBytes +  8, 8);
-                       ks_list = bytes_to_num(resp->d.asBytes +  16, 8);
-       
-                       printf("\n\n");
-                       PrintAndLog("isOk:%02x", isOK);
-                       if (!isOK) PrintAndLog("Proxmark can't get statistic info. Execution aborted.\n");
-                       break;
-               }
-       }       
-       printf("\n");
-       
-       // error
-       if (isOK != 1) return 1;
-       
-       // execute original function from util nonce2key
-       if (nonce2key(uid, nt, par_list, ks_list, &r_key)) return 2;
-       printf("-------------------------------------------------------------------------\n");
-       PrintAndLog("Key found:%012llx \n", r_key);
-       
-       return 0;
-}
 
-int CmdHF14AMfWrBl(const char *Cmd)
-{
-       int i, temp;
-       uint8_t blockNo = 0;
-       uint8_t keyType = 0;
-       uint8_t key[6] = {0, 0, 0, 0, 0, 0};
-       uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+       UsbCommand resp;
+       WaitForResponse(CMD_ACK,&resp);
        
-       const char *cmdp        = Cmd;
-       const char *cmdpe       = Cmd;
-
-       if (strlen(Cmd)<3) {
-               PrintAndLog("Usage:  hf 14 mfwrbl    <block number> <key A/B> <key (12 hex symbols)> <block data (32 hex symbols)>");
-               PrintAndLog("           sample: hf 14a mfwrbl 0 A FFFFFFFFFFFF 000102030405060708090A0B0C0D0E0F");
-               return 0;
-       }       
-       PrintAndLog("l: %s", Cmd);
-       
-       // skip spaces
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       blockNo = strtol(cmdp, NULL, 0) & 0xff;
-       
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       if (*cmdp != 'A' && *cmdp != 'a')  {
-               keyType = 1;
-       }
-
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-
-       // next value here:cmdpe
-       cmdpe = cmdp;
-       while (*cmdpe!=' ' && *cmdpe!='\t') cmdpe++;
-       while (*cmdpe==' ' || *cmdpe=='\t') cmdpe++;
+       iso14a_card_select_t *card = (iso14a_card_select_t *)resp.d.asBytes;
 
-       if ((int)cmdpe - (int)cmdp != 13) {
-               PrintAndLog("Length of key must be 12 hex symbols");
+       if(resp.arg[0] == 0) {
+               PrintAndLog("iso14443a card select failed");
                return 0;
        }
-       
-       for(i = 0; i < 6; i++) {
-               sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-               key[i] = temp & 0xff;
-               cmdp++;
-               cmdp++;
-       }       
-
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
 
-       if (strlen(cmdp) != 32) {
-               PrintAndLog("Length of block data must be 32 hex symbols");
-               return 0;
+       PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
+       PrintAndLog(" UID : %s", sprint_hex(card->uid, card->uidlen));
+       PrintAndLog(" SAK : %02x [%d]", card->sak, resp.arg[0]);
+
+       switch (card->sak) {
+               case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
+               case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
+               case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
+               case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
+               case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
+               case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
+               case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
+               case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
+               case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
+               case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
+               case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
+               case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
+               case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
+               default: ;
        }
+       if(resp.arg[0] == 1) {
+               bool ta1 = 0, tb1 = 0, tc1 = 0;
+               int pos;
 
-       for(i = 0; i < 16; i++) {
-               sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-               bldata[i] = temp & 0xff;
-               cmdp++;
-               cmdp++;
-       }       
-       PrintAndLog(" block no:%02x key type:%02x key:%s", blockNo, keyType, sprint_hex(key, 6));
-       PrintAndLog(" data: %s", sprint_hex(bldata, 16));
-       
-  UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}};
-       memcpy(c.d.asBytes, key, 6);
-       memcpy(c.d.asBytes + 10, bldata, 16);
-  SendCommand(&c);
-       UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
-
-       if (resp != NULL) {
-               uint8_t                isOK  = resp->arg[0] & 0xff;
-
-               PrintAndLog("isOk:%02x", isOK);
+               PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
+               if (card->ats_len > 0) {
+                       PrintAndLog("       -  TL : length is %d bytes", card->ats[0]);
+               }
+               if (card->ats_len > 1) {
+                       ta1 = (card->ats[1] & 0x10) == 0x10;
+                       tb1 = (card->ats[1] & 0x20) == 0x20;
+                       tc1 = (card->ats[1] & 0x40) == 0x40;
+                       PrintAndLog("       -  T0 : TA1 is%s present, TB1 is%s present, "
+                                       "TC1 is%s present, FSCI is %d",
+                               (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
+                               (card->ats[1] & 0x0f));
+               }
+               pos = 2;
+               if (ta1 && card->ats_len > pos) {
+                       char dr[16], ds[16];
+                       dr[0] = ds[0] = '\0';
+                       if (card->ats[pos] & 0x10) strcat(ds, "2, ");
+                       if (card->ats[pos] & 0x20) strcat(ds, "4, ");
+                       if (card->ats[pos] & 0x40) strcat(ds, "8, ");
+                       if (card->ats[pos] & 0x01) strcat(dr, "2, ");
+                       if (card->ats[pos] & 0x02) strcat(dr, "4, ");
+                       if (card->ats[pos] & 0x04) strcat(dr, "8, ");
+                       if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
+                       if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
+                       PrintAndLog("       - TA1 : different divisors are%s supported, "
+                                       "DR: [%s], DS: [%s]",
+                                       (card->ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
+                       pos++;
+               }
+               if (tb1 && card->ats_len > pos) {
+                       PrintAndLog("       - TB1 : SFGI = %d, FWI = %d",
+                                       (card->ats[pos] & 0x08),
+                                       (card->ats[pos] & 0x80) >> 4);
+                       pos++;
+               }
+               if (tc1 && card->ats_len > pos) {
+                       PrintAndLog("       - TC1 : NAD is%s supported, CID is%s supported",
+                                       (card->ats[pos] & 0x01) ? "" : " NOT",
+                                       (card->ats[pos] & 0x02) ? "" : " NOT");
+                       pos++;
+               }
+               if (card->ats_len > pos) {
+                       char *tip = "";
+                       if (card->ats_len - pos > 7) {
+                               if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
+                                       tip = "-> MIFARE Plus X 2K or 4K";
+                               } else if (memcmp(card->ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
+                                       tip = "-> MIFARE Plus S 2K or 4K";
+                               }
+                       } 
+                       PrintAndLog("       -  HB : %s%s", sprint_hex(card->ats + pos, card->ats_len - pos - 2), tip);
+                       if (card->ats[pos] == 0xC1) {
+                               PrintAndLog("               c1 -> Mifare or (multiple) virtual cards of various type");
+                               PrintAndLog("                  %02x -> Length is %d bytes",
+                                               card->ats[pos + 1], card->ats[pos + 1]);
+                               switch (card->ats[pos + 2] & 0xf0) {
+                                       case 0x10:
+                                               PrintAndLog("                     1x -> MIFARE DESFire");
+                                               break;
+                                       case 0x20:
+                                               PrintAndLog("                     2x -> MIFARE Plus");
+                                               break;
+                               }
+                               switch (card->ats[pos + 2] & 0x0f) {
+                                       case 0x00:
+                                               PrintAndLog("                     x0 -> <1 kByte");
+                                               break;
+                                       case 0x01:
+                                               PrintAndLog("                     x0 -> 1 kByte");
+                                               break;
+                                       case 0x02:
+                                               PrintAndLog("                     x0 -> 2 kByte");
+                                               break;
+                                       case 0x03:
+                                               PrintAndLog("                     x0 -> 4 kByte");
+                                               break;
+                                       case 0x04:
+                                               PrintAndLog("                     x0 -> 8 kByte");
+                                               break;
+                               }
+                               switch (card->ats[pos + 3] & 0xf0) {
+                                       case 0x00:
+                                               PrintAndLog("                        0x -> Engineering sample");
+                                               break;
+                                       case 0x20:
+                                               PrintAndLog("                        2x -> Released");
+                                               break;
+                               }
+                               switch (card->ats[pos + 3] & 0x0f) {
+                                       case 0x00:
+                                               PrintAndLog("                        x0 -> Generation 1");
+                                               break;
+                                       case 0x01:
+                                               PrintAndLog("                        x1 -> Generation 2");
+                                               break;
+                                       case 0x02:
+                                               PrintAndLog("                        x2 -> Generation 3");
+                                               break;
+                               }
+                               switch (card->ats[pos + 4] & 0x0f) {
+                                       case 0x00:
+                                               PrintAndLog("                           x0 -> Only VCSL supported");
+                                               break;
+                                       case 0x01:
+                                               PrintAndLog("                           x1 -> VCS, VCSL, and SVC supported");
+                                               break;
+                                       case 0x0E:
+                                               PrintAndLog("                           xE -> no VCS command supported");
+                                               break;
+                               }
+                       }
+               }
        } else {
-               PrintAndLog("Command execute timeout");
+               PrintAndLog("proprietary non iso14443a-4 card found, RATS not supported");
        }
 
-       return 0;
+       return resp.arg[0];
 }
 
-int CmdHF14AMfRdBl(const char *Cmd)
+// Collect ISO14443 Type A UIDs
+int CmdHF14ACUIDs(const char *Cmd)
 {
-       int i, temp;
-       uint8_t blockNo = 0;
-       uint8_t keyType = 0;
-       uint8_t key[6] = {0, 0, 0, 0, 0, 0};
-       
-       const char *cmdp        = Cmd;
-
-
-       if (strlen(Cmd)<3) {
-               PrintAndLog("Usage:  hf 14 mfrdbl    <block number> <key A/B> <key (12 hex symbols)>");
-               PrintAndLog("           sample: hf 14a mfrdbl 0 A FFFFFFFFFFFF ");
-               return 0;
-       }       
-       
-  // skip spaces
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       blockNo = strtol(cmdp, NULL, 0) & 0xff;
-       
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       if (*cmdp != 'A' && *cmdp != 'a')  {
-               keyType = 1;
-       }
-
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-
-       if (strlen(cmdp) != 12) {
-               PrintAndLog("Length of key must be 12 hex symbols");
-               return 0;
-       }
-       
-       for(i = 0; i < 6; i++) {
-               sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-               key[i] = temp & 0xff;
-               cmdp++;
-               cmdp++;
-       }       
-       PrintAndLog(" block no:%02x key type:%02x key:%s ", blockNo, keyType, sprint_hex(key, 6));
-       
-  UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}};
-       memcpy(c.d.asBytes, key, 6);
-  SendCommand(&c);
-       UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
-
-       if (resp != NULL) {
-               uint8_t                isOK  = resp->arg[0] & 0xff;
-               uint8_t              * data  = resp->d.asBytes;
-
-               PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16));
-       } else {
-               PrintAndLog("Command execute timeout");
+       // requested number of UIDs
+       int n = atoi(Cmd);
+       // collect at least 1 (e.g. if no parameter was given)
+       n = n > 0 ? n : 1;
+
+       PrintAndLog("Collecting %d UIDs", n);
+       PrintAndLog("Start: %u", time(NULL));
+       // repeat n times
+       for (int i = 0; i < n; i++) {
+               // execute anticollision procedure
+               UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
+               SendCommand(&c);
+    
+               UsbCommand resp;
+               WaitForResponse(CMD_ACK,&resp);
+
+               uint8_t *uid  = resp.d.asBytes;
+               iso14a_card_select_t *card = (iso14a_card_select_t *)(uid + 12);
+
+               // check if command failed
+               if (resp.arg[0] == 0) {
+                       PrintAndLog("Card select failed.");
+               } else {
+                       // check if UID is 4 bytes
+                       if ((card->atqa[1] & 0xC0) == 0) {
+                               PrintAndLog("%02X%02X%02X%02X",
+                                           *uid, *(uid + 1), *(uid + 2), *(uid + 3));
+                       } else {
+                               PrintAndLog("UID longer than 4 bytes");
+                       }
+               }
        }
+       PrintAndLog("End: %u", time(NULL));
 
-  return 0;
+       return 1;
 }
 
-int CmdHF14AMfRdSc(const char *Cmd)
+// ## simulate iso14443a tag
+// ## greg - added ability to specify tag UID
+int CmdHF14ASim(const char *Cmd)
 {
-       int i, temp;
-       uint8_t sectorNo = 0;
-       uint8_t keyType = 0;
-       uint8_t key[6] = {0, 0, 0, 0, 0, 0};
-       
-       const char *cmdp        = Cmd;
-
-
-       if (strlen(Cmd)<3) {
-               PrintAndLog("Usage:  hf 14 mfrdsc    <sector number> <key A/B> <key (12 hex symbols)>");
-               PrintAndLog("           sample: hf 14a mfrdsc 0 A FFFFFFFFFFFF ");
-               return 0;
-       }       
-       
-  // skip spaces
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       sectorNo = strtol(cmdp, NULL, 0) & 0xff;
-       
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       if (*cmdp != 'A' && *cmdp != 'a')  {
-               keyType = 1;
-       }
-
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-
-       if (strlen(cmdp) != 12) {
-               PrintAndLog("Length of key must be 12 hex symbols");
-               return 0;
+       UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
+       
+       // Retrieve the tag type
+       uint8_t tagtype = param_get8ex(Cmd,0,0,10);
+       
+       // When no argument was given, just print help message
+       if (tagtype == 0) {
+               PrintAndLog("");
+               PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
+               PrintAndLog("");
+               PrintAndLog("   syntax: hf 14a sim <type> <uid>");
+               PrintAndLog("    types: 1 = MIFARE Classic");
+               PrintAndLog("           2 = MIFARE Ultralight");
+               PrintAndLog("           3 = MIFARE DESFIRE");
+               PrintAndLog("           4 = ISO/IEC 14443-4");
+               PrintAndLog("");
+               return 1;
        }
        
-       for(i = 0; i < 6; i++) {
-               sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-               key[i] = temp & 0xff;
-               cmdp++;
-               cmdp++;
-       }       
-       PrintAndLog(" sector no:%02x key type:%02x key:%s ", sectorNo, keyType, sprint_hex(key, 6));
+       // Store the tag type
+       c.arg[0] = tagtype;
        
-  UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
-       memcpy(c.d.asBytes, key, 6);
-  SendCommand(&c);
-       UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
-       PrintAndLog(" ");
+       // Retrieve the full 4 or 7 byte long uid 
+       uint64_t long_uid = param_get64ex(Cmd,1,0,16);
 
-       if (resp != NULL) {
-               uint8_t                isOK  = resp->arg[0] & 0xff;
-               uint8_t              * data  = resp->d.asBytes;
-
-               PrintAndLog("isOk:%02x", isOK);
-               for (i = 0; i < 2; i++) {
-                       PrintAndLog("data:%s", sprint_hex(data + i * 16, 16));
-               }
+       // Are we handling the (optional) second part uid?
+       if (long_uid > 0xffffffff) {
+               PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
+               // Store the second part
+               c.arg[2] = (long_uid & 0xffffffff);
+               long_uid >>= 32;
+               // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
+               c.arg[1] = (long_uid & 0xffffff);
        } else {
-               PrintAndLog("Command1 execute timeout");
-       }
-
-               // response2
-       resp = WaitForResponseTimeout(CMD_ACK, 500);
-       PrintAndLog(" ");
-
-       if (resp != NULL) {
-               uint8_t              * data  = resp->d.asBytes;
-
-               for (i = 0; i < 2; i++) {
-                       PrintAndLog("data:%s", sprint_hex(data + i * 16, 16));
-               }
-       } else {
-               PrintAndLog("Command2 execute timeout");
-       }
-       
-  return 0;
-}
-
-int CmdHF14AMfNested(const char *Cmd)
-{
-       int i, temp;
-       uint8_t sectorNo = 0;
-       uint8_t keyType = 0;
-       uint8_t key[6] = {0, 0, 0, 0, 0, 0};
-       
-       const char *cmdp        = Cmd;
-
-
-       if (strlen(Cmd)<3) {
-               PrintAndLog("Usage:  hf 14a nested    <sector number> <key A/B> <key (12 hex symbols)>");
-               PrintAndLog("           sample: hf 14a nested 0 A FFFFFFFFFFFF ");
-               return 0;
-       }       
-       
-  // skip spaces
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       sectorNo = strtol(cmdp, NULL, 0) & 0xff;
-       
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-       if (*cmdp != 'A' && *cmdp != 'a')  {
-               keyType = 1;
+               PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
+               // Only store the first part
+               c.arg[1] = long_uid & 0xffffffff;
        }
+/*
+               // At lease save the mandatory first part of the UID
+               c.arg[0] = long_uid & 0xffffffff;
 
-       // next value
-       while (*cmdp!=' ' && *cmdp!='\t') cmdp++;
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-
-       if (strlen(cmdp) != 12) {
-               PrintAndLog("Length of key must be 12 hex symbols");
-               return 0;
+       if (c.arg[1] == 0) {
+               PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
        }
        
-       for(i = 0; i < 6; i++) {
-               sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-               key[i] = temp & 0xff;
-               cmdp++;
-               cmdp++;
+       switch (c.arg[0]) {
+               case 1: {
+                       PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
+                       UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
+               } break;
+               case 2: {
+                       PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
+               } break;
+               default: {
+                       PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
+                       PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
+                       PrintAndLog(" type1: 4 ",c.arg[0]);
+
+                       return 1;
+               } break;
        }       
-       PrintAndLog(" sector no:%02x key type:%02x key:%s ", sectorNo, keyType, sprint_hex(key, 6));
-       
-  UsbCommand c = {CMD_MIFARE_NESTED, {sectorNo, keyType, 0}};
-       memcpy(c.d.asBytes, key, 6);
+*/
+/*
+  unsigned int hi = 0, lo = 0;
+  int n = 0, i = 0;
+  while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
+    hi= (hi << 4) | (lo >> 28);
+    lo= (lo << 4) | (n & 0xf);
+  }
+*/
+//     UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
+//  PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
   SendCommand(&c);
-       UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
-       PrintAndLog(" ");
-
-       if (resp != NULL) {
-               uint8_t                isOK  = resp->arg[0] & 0xff;
-               uint8_t              * data  = resp->d.asBytes;
-
-               PrintAndLog("isOk:%02x", isOK);
-               for (i = 0; i < 2; i++) {
-                       PrintAndLog("data:%s", sprint_hex(data + i * 16, 16));
-               }
-       } else {
-               PrintAndLog("Command execute timeout");
-       }
-
   return 0;
 }
 
-int CmdHF14AMf1kSim(const char *Cmd)
-{
-       int i, temp;
-       uint8_t uid[4] = {0, 0, 0, 0};
+int CmdHF14ASnoop(const char *Cmd) {
+       int param = 0;
        
-       const char *cmdp        = Cmd;
-
-
-       if (strlen(Cmd)<3) {
-               PrintAndLog("Usage:  hf 14a mfsim  <uid (8 hex symbols)>");
-               PrintAndLog("           sample: hf 14a mfsim 0a0a0a0a ");
+       if (param_getchar(Cmd, 0) == 'h') {
+               PrintAndLog("It get data from the field and saves it into command buffer.");
+               PrintAndLog("Buffer accessible from command hf 14a list.");
+               PrintAndLog("Usage:  hf 14a snoop [c][r]");
+               PrintAndLog("c - triggered by first data from card");
+               PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
+               PrintAndLog("sample: hf 14a snoop c r");
                return 0;
        }       
        
-  // skip spaces
-       while (*cmdp==' ' || *cmdp=='\t') cmdp++;
-
-       if (strlen(cmdp) != 8) {
-               PrintAndLog("Length of UID must be 8 hex symbols");
-               return 0;
+       for (int i = 0; i < 2; i++) {
+               char ctmp = param_getchar(Cmd, i);
+               if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
+               if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
        }
-       
-       for(i = 0; i < 4; i++) {
-               sscanf((char[]){cmdp[0],cmdp[1],0},"%X",&temp);
-               uid[i] = temp & 0xff;
-               cmdp++;
-               cmdp++;
-       }       
-       PrintAndLog(" uid:%s ", sprint_hex(uid, 4));
-       
-  UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {0, 0, 0}};
-       memcpy(c.d.asBytes, uid, 6);
-  SendCommand(&c);
 
+  UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
+  SendCommand(&c);
   return 0;
 }
 
+int CmdHF14ACmdRaw(const char *cmd) {
+    UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
+    uint8_t reply=1;
+    uint8_t crc=0;
+    uint8_t power=0;
+    uint8_t active=0;
+    uint8_t active_select=0;
+    uint16_t numbits=0;
+       uint16_t timeout=0;
+       uint8_t bTimeout=0;
+    char buf[5]="";
+    int i=0;
+    uint8_t data[USB_CMD_DATA_SIZE];
+    unsigned int datalen=0, temp;
+
+    if (strlen(cmd)<2) {
+        PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
+        PrintAndLog("       -r    do not read response");
+        PrintAndLog("       -c    calculate and append CRC");
+        PrintAndLog("       -p    leave the signal field ON after receive");
+        PrintAndLog("       -a    active signal field ON without select");
+        PrintAndLog("       -s    active signal field ON with select");
+        PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
+               PrintAndLog("       -t    timeout");
+        return 0;
+    }
 
-int CmdHF14AReader(const char *Cmd)
-{
-       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
-       SendCommand(&c);
-       UsbCommand * resp = WaitForResponse(CMD_ACK);
-       uint8_t              * uid  = resp->d.asBytes;
-       iso14a_card_select_t * card = uid + 12;
+    // strip
+    while (*cmd==' ' || *cmd=='\t') cmd++;
+
+    while (cmd[i]!='\0') {
+        if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
+        if (cmd[i]=='-') {
+            switch (cmd[i+1]) {
+                case 'r': 
+                    reply=0;
+                    break;
+                case 'c':
+                    crc=1;
+                    break;
+                case 'p':
+                    power=1;
+                    break;
+                case 'a':
+                    active=1;
+                    break;
+                case 's':
+                    active_select=1;
+                    break;
+                case 'b': 
+                    sscanf(cmd+i+2,"%d",&temp);
+                    numbits = temp & 0xFFFF;
+                    i+=3;
+                    while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
+                    i-=2;
+                    break;
+                               case 't':
+                                       bTimeout=1;
+                                       sscanf(cmd+i+2,"%d",&temp);
+                                       timeout = temp & 0xFFFF;
+                                       i+=3;
+                                       while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
+                                       i+=2;
+                                       break;
+                default:
+                    PrintAndLog("Invalid option");
+                    return 0;
+            }
+            i+=2;
+            continue;
+        }
+        if ((cmd[i]>='0' && cmd[i]<='9') ||
+            (cmd[i]>='a' && cmd[i]<='f') ||
+            (cmd[i]>='A' && cmd[i]<='F') ) {
+            buf[strlen(buf)+1]=0;
+            buf[strlen(buf)]=cmd[i];
+            i++;
+
+            if (strlen(buf)>=2) {
+                sscanf(buf,"%x",&temp);
+                data[datalen]=(uint8_t)(temp & 0xff);
+                *buf=0;
+                               if (++datalen>sizeof(data)){
+                                       if (crc)
+                                               PrintAndLog("Buffer is full, we can't add CRC to your data");
+                                       break;
+                               }
+            }
+            continue;
+        }
+        PrintAndLog("Invalid char on input");
+        return 0;
+    }
+    if(crc && datalen>0 && datalen<sizeof(data)-2)
+    {
+        uint8_t first, second;
+        ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
+        data[datalen++] = first;
+        data[datalen++] = second;
+    }
 
-       if(resp->arg[0] == 0) {
-               PrintAndLog("iso14443a card select failed");
-               return 0;
+    if(active || active_select)
+    {
+        c.arg[0] |= ISO14A_CONNECT;
+        if(active)
+            c.arg[0] |= ISO14A_NO_SELECT;
+    }
+       if(bTimeout){
+           #define MAX_TIMEOUT 624*105 // max timeout is 624 ms
+        c.arg[0] |= ISO14A_SET_TIMEOUT;
+        c.arg[2] = timeout * 105; // each bit is about 9.4 us
+        if(c.arg[2]>MAX_TIMEOUT) {
+            c.arg[2] = MAX_TIMEOUT;
+            PrintAndLog("Set timeout to 624 ms. The max we can wait for response");
+        }
        }
-
-       PrintAndLog("ATQA : %02x %02x", card->atqa[0], card->atqa[1]);
-       PrintAndLog(" UID : %s", sprint_hex(uid, 12));
-       PrintAndLog(" SAK : %02x [%d]", card->sak, resp->arg[0]);
-       if(resp->arg[0] == 1)
-               PrintAndLog(" ATS : %s", sprint_hex(card->ats, card->ats_len));
-       else
-               PrintAndLog("proprietary non-iso14443a card found, RATS not supported");
-
-       return resp->arg[0];
+    if(power)
+        c.arg[0] |= ISO14A_NO_DISCONNECT;
+    if(datalen>0)
+        c.arg[0] |= ISO14A_RAW;
+
+       // Max buffer is USB_CMD_DATA_SIZE
+    c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
+    memcpy(c.d.asBytes,data,datalen);
+
+    SendCommand(&c);
+
+    if (reply) {
+        if(active_select)
+            waitCmd(1);
+        if(datalen>0)
+            waitCmd(0);
+    } // if reply
+    return 0;
 }
 
-// ## simulate iso14443a tag
-// ## greg - added ability to specify tag UID
-int CmdHF14ASim(const char *Cmd)
-{                                 
-
-  unsigned int hi = 0, lo = 0;
-  int n = 0, i = 0;
-  while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
-    hi= (hi << 4) | (lo >> 28);
-    lo= (lo << 4) | (n & 0xf);
-  }
-
-  // c.arg should be set to *Cmd or convert *Cmd to the correct format for a uid
-  UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a, {hi, lo, 0}};
-  PrintAndLog("Emulating 14443A TAG with UID %x%16x", hi, lo);
-  SendCommand(&c);
-  return 0;
-}
-
-int CmdHF14ASnoop(const char *Cmd)
+static void waitCmd(uint8_t iSelect)
 {
-  UsbCommand c = {CMD_SNOOP_ISO_14443a};
-  SendCommand(&c);
-  return 0;
+    uint8_t *recv;
+    UsbCommand resp;
+    char *hexout;
+
+    if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
+        recv = resp.d.asBytes;
+        uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
+        PrintAndLog("received %i octets",iLen);
+        if(!iLen)
+            return;
+        hexout = (char *)malloc(iLen * 3 + 1);
+        if (hexout != NULL) {
+            for (int i = 0; i < iLen; i++) { // data in hex
+                sprintf(&hexout[i * 3], "%02X ", recv[i]);
+            }
+            PrintAndLog("%s", hexout);
+            free(hexout);
+        } else {
+            PrintAndLog("malloc failed your client has low memory?");
+        }
+    } else {
+        PrintAndLog("timeout while waiting for reply.");
+    }
 }
 
 static command_t CommandTable[] = 
 {
-  {"help",   CmdHelp,          1, "This help"},
-  {"list",   CmdHF14AList,     0, "List ISO 14443a history"},
-  {"mifare", CmdHF14AMifare,   0, "Read out sector 0 parity error messages. param - <used card nonce>"},
-  {"mfrdbl", CmdHF14AMfRdBl,   0, "Read MIFARE classic block"},
-  {"mfrdsc", CmdHF14AMfRdSc,   0, "Read MIFARE classic sector"},
-  {"mfwrbl", CmdHF14AMfWrBl,   0, "Write MIFARE classic block"},
-  {"nested", CmdHF14AMfNested, 0, "Test nested authentication"},
-  {"mfsim",  CmdHF14AMf1kSim,  0, "Simulate MIFARE 1k card - NOT WORKING!!!"},
-  {"reader", CmdHF14AReader,   0, "Act like an ISO14443 Type A reader"},
-  {"sim",    CmdHF14ASim,      0, "<UID> -- Fake ISO 14443a tag"},
-  {"snoop",  CmdHF14ASnoop,    0, "Eavesdrop ISO 14443 Type A"},
+  {"help",   CmdHelp,              1, "This help"},
+  {"list",   CmdHF14AList,         0, "List ISO 14443a history"},
+  {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
+  {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
+  {"sim",    CmdHF14ASim,          0, "<UID> -- Fake ISO 14443a tag"},
+  {"snoop",  CmdHF14ASnoop,        0, "Eavesdrop ISO 14443 Type A"},
+  {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
   {NULL, NULL, 0, NULL}
 };
 
-int CmdHF14A(const char *Cmd)
-{
+int CmdHF14A(const char *Cmd) {
+       // flush
+       WaitForResponseTimeout(CMD_ACK,NULL,100);
+
+       // parse
   CmdsParse(CommandTable, Cmd);
   return 0;
 }
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