]> cvs.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf14a.c
ADD: Chrisfu 's most excellent homebrew file, adjusted for my fork. REF: https...
[proxmark3-svn] / client / cmdhf14a.c
index bfa7bfbfdc91ddf34099e588e351c66eaeb8edd9..33a4234c5fad3599b71657fed3aee9a813bba863 100644 (file)
 #include <string.h>
 #include <unistd.h>
 #include "util.h"
-#include "../common/iso14443crc.h"
+#include "iso14443crc.h"
 #include "data.h"
 #include "proxmark3.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhf14a.h"
-#include "../include/common.h"
+#include "common.h"
 #include "cmdmain.h"
-#include "../include/mifare.h"
+#include "mifare.h"
+#include "cmdhfmfu.h"
+#include "nonce2key/nonce2key.h"
+#include "cmdhf.h"
 
 static int CmdHelp(const char *Cmd);
 static void waitCmd(uint8_t iLen);
 
-int CmdHF14AList(const char *Cmd)
-{
-       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;
-       }       
+// structure and database for uid -> tagtype lookups 
+typedef struct { 
+       uint8_t uid;
+       char* desc;
+} manufactureName; 
+
+const manufactureName manufactureMapping[] = {
+       // ID,  "Vendor Country"
+       { 0x01, "Motorola UK" },
+       { 0x02, "ST Microelectronics SA France" },
+       { 0x03, "Hitachi, Ltd Japan" }, 
+       { 0x04, "NXP Semiconductors Germany" }, 
+       { 0x05, "Infineon Technologies AG Germany" }, 
+       { 0x06, "Cylink USA" }, 
+       { 0x07, "Texas Instrument France" },
+       { 0x08, "Fujitsu Limited Japan" }, 
+       { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" }, 
+       { 0x0A, "NEC Japan" }, 
+       { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
+       { 0x0C, "Toshiba Corp. Japan" },
+       { 0x0D, "Mitsubishi Electric Corp. Japan" },
+       { 0x0E, "Samsung Electronics Co. Ltd Korea" },
+       { 0x0F, "Hynix / Hyundai, Korea" },
+       { 0x10, "LG-Semiconductors Co. Ltd Korea" },
+       { 0x11, "Emosyn-EM Microelectronics USA" },
+       { 0x12, "INSIDE Technology France" },
+       { 0x13, "ORGA Kartensysteme GmbH Germany" },
+       { 0x14, "SHARP Corporation Japan" },
+       { 0x15, "ATMEL France" },
+       { 0x16, "EM Microelectronic-Marin SA Switzerland" },
+       { 0x17, "KSW Microtec GmbH Germany" },
+       { 0x18, "ZMD AG Germany" },
+       { 0x19, "XICOR, Inc. USA" },
+       { 0x1A, "Sony Corporation Japan Identifier Company Country" },
+       { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
+       { 0x1C, "Emosyn USA" },
+       { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
+       { 0x1E, "Magellan Technology Pty Limited Australia" },
+       { 0x1F, "Melexis NV BO Switzerland" },
+       { 0x20, "Renesas Technology Corp. Japan" },
+       { 0x21, "TAGSYS France" },
+       { 0x22, "Transcore USA" },
+       { 0x23, "Shanghai belling corp., ltd. China" },
+       { 0x24, "Masktech Germany Gmbh Germany" },
+       { 0x25, "Innovision Research and Technology Plc UK" },
+       { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
+       { 0x27, "Cypak AB Sweden" },
+       { 0x28, "Ricoh Japan" },
+       { 0x29, "ASK France" },
+       { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
+       { 0x2B, "Dallas Semiconductor/Maxim USA" },
+       { 0x2C, "Impinj, Inc. USA" },
+       { 0x2D, "RightPlug Alliance USA" },
+       { 0x2E, "Broadcom Corporation USA" },
+       { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
+       { 0x30, "BeeDar Technology Inc. USA" },
+       { 0x31, "RFIDsec Denmark" },
+       { 0x32, "Schweizer Electronic AG Germany" },
+       { 0x33, "AMIC Technology Corp Taiwan" }, 
+       { 0x34, "Mikron JSC Russia" },
+       { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
+       { 0x36, "IDS Microchip AG Switzerland" },
+       { 0x37, "Kovio USA" },
+       { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
+       { 0x39, "Silicon Craft Technology Thailand" },
+       { 0x3A, "Advanced Film Device Inc. Japan" },
+       { 0x3B, "Nitecrest Ltd UK" },
+       { 0x3C, "Verayo Inc. USA" },
+       { 0x3D, "HID Global USA" },
+       { 0x3E, "Productivity Engineering Gmbh Germany" },
+       { 0x3F, "Austriamicrosystems AG (reserved) Austria" }, 
+       { 0x40, "Gemalto SA France" },
+       { 0x41, "Renesas Electronics Corporation Japan" },
+       { 0x42, "3Alogics Inc Korea" },
+       { 0x43, "Top TroniQ Asia Limited Hong Kong" },
+       { 0x44, "Gentag Inc (USA) USA" },
+       { 0x00, "no tag-info available" } // must be the last entry
+};
 
-       ShowWaitCycles = (param == 'f');
-               
-// for the time being. Need better Bigbuf handling.    
-#define TRACE_SIZE 3000        
-
-       uint8_t trace[TRACE_SIZE];
-       GetFromBigBuf(trace, TRACE_SIZE, 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 (! denotes parity error)                                   | CRC ");
-       PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------------");
-
-       uint16_t tracepos = 0;
-       uint16_t duration;
-       uint16_t data_len;
-       uint16_t parity_len;
-       bool isResponse;
-       uint32_t timestamp;
-       uint32_t first_timestamp;
-       uint32_t EndOfTransmissionTimestamp;
-       
-       for (;;) {
-       
-               if(tracepos >= TRACE_SIZE) break;
-       
-               timestamp = *((uint32_t *)(trace + tracepos));
-               
-               // Break and stick with current result if buffer was not completely full
-               if (timestamp == 0x44444444) break; 
 
-               if(tracepos == 0) {
-                       first_timestamp = timestamp;
-               }
-               
-               tracepos += 4;
-               duration = *((uint16_t *)(trace + tracepos));
-               tracepos += 2;
-               data_len = *((uint16_t *)(trace + tracepos));
-               tracepos += 2;
-
-               isResponse = false;
-               if (data_len & 0x8000) {
-                       data_len &= 0x7fff;
-                       isResponse = true;
-               }
-               
-               parity_len = (data_len-1)/8 + 1;
-               
-               if (tracepos + data_len + parity_len >= TRACE_SIZE) break;
+// get a product description based on the UID
+//             uid[8]  tag uid
+// returns description of the best match       
+char* getTagInfo(uint8_t uid) {
 
-               uint8_t *frame = trace + tracepos;
-               tracepos += data_len;
-               uint8_t *parityBytes = trace + tracepos;
-               tracepos += parity_len;
-               
-               char line[16][110];
-               for (int j = 0; j < data_len; j++) {
-                       int oddparity = 0x01;
-                       int k;
+       int i;
+       int len = sizeof(manufactureMapping) / sizeof(manufactureName);
+       
+       for ( i = 0; i < len; ++i ) 
+               if ( uid == manufactureMapping[i].uid) 
+                       return manufactureMapping[i].desc;
 
-                       for (k=0;k<8;k++) {
-                               oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
-                       }
+       //No match, return default
+       return manufactureMapping[len-1].desc; 
+}
 
-                       uint8_t parityBits = parityBytes[j>>3];
-                       if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
-                               sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
-                       } else {
-                               sprintf(line[j/16]+((j%16)*4), "%02x  ", frame[j]);     
-                       }
-               }
-               
-               char crc[5] = {0x00}; 
-               if (data_len > 2) {
-                       uint8_t b1, b2;
-                       ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
-                       if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
-                               sprintf(crc, (isResponse & (data_len < 6)) ? "" : "!crc");
-                       } 
-               }
-               
-               EndOfTransmissionTimestamp = timestamp + duration;
-               int num_lines = (data_len - 1)/16 + 1;
-                               
-               for (int j = 0; j < num_lines; j++) {
-                       if (j == 0) {
-                               PrintAndLog(" %9d | %9d | %s | %-64s| %s",
-                                       (timestamp - first_timestamp),
-                                       (EndOfTransmissionTimestamp - first_timestamp),
-                                       (isResponse ? "Tag" : "Rdr"),
-                                       line[j], 
-                                       (j == num_lines-1)?crc:""
-                                       );
-                       } else {
-                               PrintAndLog("           |           |     | %-64s| %s",
-                                       line[j], 
-                                       (j == num_lines-1)?crc:"");
-                       }
-               }                               
-       
-               bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
-               
-               if (ShowWaitCycles && !isResponse && next_isResponse) {
-                       uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
-                       if (next_timestamp != 0x44444444) {
-                               PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
-                                       (EndOfTransmissionTimestamp - first_timestamp),
-                                       (next_timestamp - first_timestamp),
-                                       " ",
-                                       (next_timestamp - EndOfTransmissionTimestamp));                         
-                       }
-               }       
-       }
+
+int usage_hf_14a_sim(void) {
+       PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID\n");
+       PrintAndLog("Usage: hf 14a sim t <type> u <uid> x");
+       PrintAndLog("  Options : ");
+       PrintAndLog("    h     : this help");
+       PrintAndLog("    t     : 1 = MIFARE Classic");
+       PrintAndLog("            2 = MIFARE Ultralight");
+       PrintAndLog("            3 = MIFARE Desfire");
+       PrintAndLog("            4 = ISO/IEC 14443-4");
+       PrintAndLog("            5 = MIFARE Tnp3xxx");
+       PrintAndLog("            6 = MIFARE Mini");
+       PrintAndLog("            7 = AMIIBO (NTAG 215),  pack 0x8080");
+       PrintAndLog("    u     : 4 or 7 byte UID");
+       PrintAndLog("    x     : (Optional) performs the 'reader attack', nr/ar attack against a legitimate reader");
+       PrintAndLog("\n   sample : hf 14a sim t 1 u 1122344");
+       PrintAndLog("          : hf 14a sim t 1 u 1122344 x\n");
+       return 0;
+}
+int usage_hf_14a_sniff(void){
+       PrintAndLog("It get data from the field and saves it into command buffer.");
+       PrintAndLog("Buffer accessible from command 'hf list 14a'");
+       PrintAndLog("Usage:  hf 14a sniff [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 sniff c r");
+       return 0;
+}
+int usage_hf_14a_raw(void){
+       PrintAndLog("Usage: hf 14a raw [-h] [-r] [-c] [-p] [-a] [-T] [-t] <milliseconds> [-b] <number of bits>  <0A 0B 0C ... hex>");
+       PrintAndLog("       -h    this help");
+       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 in ms");
+       PrintAndLog("       -T    use Topaz protocol to send command");
        return 0;
 }
 
-void iso14a_set_timeout(uint32_t timeout) {
-       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
-       SendCommand(&c);
+int CmdHF14AList(const char *Cmd)
+{
+       //PrintAndLog("Deprecated command, use 'hf list 14a' instead");
+       CmdHFList("14a");
+       return 0;
 }
 
 int CmdHF14AReader(const char *Cmd)
 {
        UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
+       clearCommandBuffer();
        SendCommand(&c);
-
        UsbCommand resp;
        WaitForResponse(CMD_ACK,&resp);
        
        iso14a_card_select_t card;
        memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
 
-       uint64_t select_status = resp.arg[0];           // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
+       uint64_t select_status = resp.arg[0];           // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
        
        if(select_status == 0) {
-               PrintAndLog("iso14443a card select failed");
+               if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
+               // disconnect
+               c.arg[0] = 0;
+               c.arg[1] = 0;
+               c.arg[2] = 0;
+               SendCommand(&c);
+               return 0;
+       }
+
+       if(select_status == 3) {
+               PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
+               PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
                // disconnect
                c.arg[0] = 0;
                c.arg[1] = 0;
@@ -189,12 +209,60 @@ int CmdHF14AReader(const char *Cmd)
                return 0;
        }
 
-       PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
        PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
+       PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
        PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
 
        switch (card.sak) {
-               case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
+               case 0x00: 
+
+                       //***************************************test****************
+                       ul_switch_off_field();
+                       
+                       uint32_t tagT = GetHF14AMfU_Type();
+                       ul_print_type(tagT, 0);
+
+                       //reconnect for further tests
+                       c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
+                       c.arg[1] = 0;
+                       c.arg[2] = 0;
+
+                       clearCommandBuffer();
+                       SendCommand(&c);
+
+                       UsbCommand resp;
+                       WaitForResponse(CMD_ACK,&resp);
+                       
+                       memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
+
+                       select_status = resp.arg[0];            // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
+                       
+                       if(select_status == 0) {
+                               ul_switch_off_field();
+                               return 0;
+                       }
+
+                       /*  orig
+                       // check if the tag answers to GETVERSION (0x60)
+                       c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
+                       c.arg[1] = 1;
+                       c.arg[2] = 0;
+                       c.d.asBytes[0] = 0x60;
+                       SendCommand(&c);
+                       WaitForResponse(CMD_ACK,&resp);
+               
+                       uint8_t version[10] = {0};
+                       memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
+                       uint8_t len  = resp.arg[0] & 0xff;
+                       switch ( len){
+                               // todo, identify "Magic UL-C tags".  // they usually have a static nonce response to 0x1A command.
+                               // UL-EV1, size, check version[6] == 0x0b (smaller)  0x0b * 4 == 48
+                               case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128);     break;                          
+                               case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
+                               case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;
+                       }
+                       */
+                       break;
                case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
                case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
                case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
@@ -211,6 +279,10 @@ int CmdHF14AReader(const char *Cmd)
                default: ;
        }
 
+       // Double & triple sized UID, can be mapped to a manufacturer.
+       if ( card.uidlen > 4 ) {
+               PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
+       }
        
        // try to request ATS even if tag claims not to support it
        if (select_status == 2) {
@@ -219,20 +291,14 @@ int CmdHF14AReader(const char *Cmd)
                c.arg[1] = 2;
                c.arg[2] = 0;
                memcpy(c.d.asBytes, rats, 2);
+               clearCommandBuffer();
                SendCommand(&c);
                WaitForResponse(CMD_ACK,&resp);
                
-           memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
+           memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
                card.ats_len = resp.arg[0];                             // note: ats_len includes CRC Bytes
        } 
 
-       // disconnect
-       c.arg[0] = 0;
-       c.arg[1] = 0;
-       c.arg[2] = 0;
-       SendCommand(&c);
-
-       
        if(card.ats_len >= 3) {                 // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
                bool ta1 = 0, tb1 = 0, tc1 = 0;
                int pos;
@@ -323,16 +389,16 @@ int CmdHF14AReader(const char *Cmd)
                                                PrintAndLog("                     x0 -> <1 kByte");
                                                break;
                                        case 0x01:
-                                               PrintAndLog("                     x0 -> 1 kByte");
+                                               PrintAndLog("                     x1 -> 1 kByte");
                                                break;
                                        case 0x02:
-                                               PrintAndLog("                     x0 -> 2 kByte");
+                                               PrintAndLog("                     x2 -> 2 kByte");
                                                break;
                                        case 0x03:
-                                               PrintAndLog("                     x0 -> 4 kByte");
+                                               PrintAndLog("                     x3 -> 4 kByte");
                                                break;
                                        case 0x04:
-                                               PrintAndLog("                     x0 -> 8 kByte");
+                                               PrintAndLog("                     x4 -> 8 kByte");
                                                break;
                                }
                                switch (card.ats[pos + 3] & 0xf0) {
@@ -371,6 +437,27 @@ int CmdHF14AReader(const char *Cmd)
                PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
        }
 
+       
+       // try to see if card responses to "chinese magic backdoor" commands.
+       uint8_t isOK = 0;
+       clearCommandBuffer();
+       c.cmd = CMD_MIFARE_CIDENT;
+       c.arg[0] = 0;
+       c.arg[1] = 0;
+       c.arg[2] = 0;   
+       SendCommand(&c);
+       if (WaitForResponseTimeout(CMD_ACK, &resp, 1500))
+               isOK  = resp.arg[0] & 0xff;
+
+       PrintAndLog("Answers to magic commands (GEN1): %s", (isOK ? "YES" : "NO") );
+       
+       // disconnect
+       c.cmd = CMD_READER_ISO_14443a;
+       c.arg[0] = 0;
+       c.arg[1] = 0;
+       c.arg[2] = 0;
+       SendCommand(&c);
+
        return select_status;
 }
 
@@ -415,134 +502,123 @@ int CmdHF14ACUIDs(const char *Cmd)
 // ## greg - added ability to specify tag UID
 int CmdHF14ASim(const char *Cmd)
 {
-       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("           5 = MIFARE TNP3XXX");           
-               PrintAndLog("");
-               return 1;
+       bool errors = FALSE;
+       uint8_t flags = 0;
+       uint8_t tagtype = 1;
+       uint64_t uid = 0;
+       uint8_t cmdp = 0;
+
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+                       case 'h':
+                       case 'H':
+                               return usage_hf_14a_sim();
+                       case 't':
+                       case 'T':
+                               // Retrieve the tag type
+                               tagtype = param_get8ex(Cmd, cmdp+1, 0, 10);
+                               if (tagtype == 0)
+                                       errors = true; 
+                               cmdp += 2;
+                               break;
+                       case 'u':
+                       case 'U':
+                               // Retrieve the full 4 or 7 byte long uid 
+                               uid = param_get64ex(Cmd, cmdp+1, 0, 16);
+                               if (uid == 0 )
+                                       errors = TRUE;
+                                
+                               if (uid > 0xffffffff) {
+                                       PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",uid);
+                                       flags |= FLAG_7B_UID_IN_DATA;
+                               } else {
+                                       PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",uid);
+                                       flags |= FLAG_4B_UID_IN_DATA;
+                               }
+                               cmdp += 2;
+                               break;
+                       case 'x':
+                       case 'X':
+                               flags |= FLAG_NR_AR_ATTACK;
+                               cmdp++;
+                               break;
+                       default:
+                               PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                               errors = true;
+                               break;
+                       }
+               if(errors) break;
        }
+
+       //Validations
+       if (errors) return usage_hf_14a_sim();
+
+       PrintAndLog("Press pm3-button to abort simulation");
        
-       // Store the tag type
-       c.arg[0] = tagtype;
+       UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{ tagtype, flags, 0 }};
        
-       // Retrieve the full 4 or 7 byte long uid 
-       uint64_t long_uid = param_get64ex(Cmd,1,0,16);
-
-       // 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("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;
+       num_to_bytes(uid, 7, c.d.asBytes);
+       clearCommandBuffer();
+       SendCommand(&c);        
 
-       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]);
+       uint8_t data[40];
+       uint8_t key[6];
+       UsbCommand resp;
+       while(!ukbhit()){
+               if ( WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+                       if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){
+                               memset(data, 0x00, sizeof(data));
+                               memset(key, 0x00, sizeof(key));
+                               int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
+                               memcpy(data, resp.d.asBytes, len);
+                               tryMfk32(uid, data, key);
+                               //tryMfk32_moebius(uid, data, key);
+                               //tryMfk64(uid, data, key);
+                               PrintAndLog("--");
+                       }
+               }
        }
-       
-       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;
-       }       
-*/
-/*
-  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);
-  return 0;
+       return 0;
 }
 
-int CmdHF14ASnoop(const char *Cmd) {
+int CmdHF14ASniff(const char *Cmd) {
        int param = 0;
        
-       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;
-       }       
+       uint8_t ctmp = param_getchar(Cmd, 0) ;
+       if (ctmp == 'h' || ctmp == 'H') return usage_hf_14a_sniff();
        
        for (int i = 0; i < 2; i++) {
-               char ctmp = param_getchar(Cmd, i);
+               ctmp = param_getchar(Cmd, i);
                if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
                if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
        }
 
   UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
+  clearCommandBuffer();
   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;
+    bool reply=1;
+    bool crc = FALSE;
+    bool power = FALSE;
+    bool active = FALSE;
+    bool active_select = FALSE;
     uint16_t numbits=0;
-       uint16_t timeout=0;
-       uint8_t bTimeout=0;
+       bool bTimeout = FALSE;
+       uint32_t timeout=0;
+       bool topazmode = FALSE;
     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;
-    }
+       uint16_t datalen=0;
+       uint32_t temp;
+
+    if (strlen(cmd)<2) return usage_hf_14a_raw();
 
     // strip
     while (*cmd==' ' || *cmd=='\t') cmd++;
@@ -551,20 +627,23 @@ int CmdHF14ACmdRaw(const char *cmd) {
         if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
         if (cmd[i]=='-') {
             switch (cmd[i+1]) {
+                               case 'H':
+                               case 'h':
+                                       return usage_hf_14a_raw();
                 case 'r': 
-                    reply=0;
+                    reply = FALSE;
                     break;
                 case 'c':
-                    crc=1;
+                    crc = TRUE;
                     break;
                 case 'p':
-                    power=1;
+                    power = TRUE;
                     break;
                 case 'a':
-                    active=1;
+                    active = TRUE;
                     break;
                 case 's':
-                    active_select=1;
+                    active_select = TRUE;
                     break;
                 case 'b': 
                     sscanf(cmd+i+2,"%d",&temp);
@@ -574,16 +653,18 @@ int CmdHF14ACmdRaw(const char *cmd) {
                     i-=2;
                     break;
                                case 't':
-                                       bTimeout=1;
+                                       bTimeout = TRUE;
                                        sscanf(cmd+i+2,"%d",&temp);
-                                       timeout = temp & 0xFFFF;
+                                       timeout = temp;
                                        i+=3;
                                        while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
-                                       i+=2;
+                                       i-=2;
+                                       break;
+                case 'T':
+                                       topazmode = TRUE;
                                        break;
                 default:
-                    PrintAndLog("Invalid option");
-                    return 0;
+                    return usage_hf_14a_raw();
             }
             i+=2;
             continue;
@@ -599,7 +680,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
                 sscanf(buf,"%x",&temp);
                 data[datalen]=(uint8_t)(temp & 0xff);
                 *buf=0;
-                               if (++datalen>sizeof(data)){
+                               if (++datalen >= sizeof(data)){
                                        if (crc)
                                                PrintAndLog("Buffer is full, we can't add CRC to your data");
                                        break;
@@ -610,10 +691,15 @@ int CmdHF14ACmdRaw(const char *cmd) {
         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);
+               if (topazmode) {
+                       ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
+               } else {
+                       ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
+               }
         data[datalen++] = first;
         data[datalen++] = second;
     }
@@ -624,24 +710,33 @@ int CmdHF14ACmdRaw(const char *cmd) {
         if(active)
             c.arg[0] |= ISO14A_NO_SELECT;
     }
+
        if(bTimeout){
-           #define MAX_TIMEOUT 624*105 // max timeout is 624 ms
+           #define MAX_TIMEOUT 40542464        // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
         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");
+        if(timeout > MAX_TIMEOUT) {
+            timeout = MAX_TIMEOUT;
+            PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
         }
+               c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
        }
+
     if(power)
         c.arg[0] |= ISO14A_NO_DISCONNECT;
+
     if(datalen>0)
         c.arg[0] |= ISO14A_RAW;
 
+       if(topazmode)
+               c.arg[0] |= ISO14A_TOPAZMODE;
+                       
        // Max buffer is USB_CMD_DATA_SIZE
-    c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
+       datalen = (datalen > USB_CMD_DATA_SIZE) ? USB_CMD_DATA_SIZE : datalen;
+               
+    c.arg[1] = (datalen & 0xFFFF) | (uint32_t)(numbits << 16);
     memcpy(c.d.asBytes,data,datalen);
 
+       clearCommandBuffer();
     SendCommand(&c);
 
     if (reply) {
@@ -653,13 +748,12 @@ int CmdHF14ACmdRaw(const char *cmd) {
     return 0;
 }
 
-static void waitCmd(uint8_t iSelect)
-{
+static void waitCmd(uint8_t iSelect) {
     uint8_t *recv;
     UsbCommand resp;
     char *hexout;
 
-    if (WaitForResponseTimeout(CMD_ACK,&resp,10000)) {
+    if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
         recv = resp.d.asBytes;
         uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
         PrintAndLog("received %i octets",iLen);
@@ -683,22 +777,23 @@ static void waitCmd(uint8_t iSelect)
 static command_t CommandTable[] = 
 {
   {"help",   CmdHelp,              1, "This help"},
-  {"list",   CmdHF14AList,         0, "List ISO 14443a history"},
+  {"list",   CmdHF14AList,         0, "[Deprecated] 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"},
+  {"sim",    CmdHF14ASim,          0, "<UID> -- Simulate ISO 14443a tag"},
+  {"sniff",  CmdHF14ASniff,        0, "sniff ISO 14443 Type A traffic"},
   {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
   {NULL, NULL, 0, NULL}
 };
 
 int CmdHF14A(const char *Cmd) {
        // flush
-       WaitForResponseTimeout(CMD_ACK,NULL,100);
+       clearCommandBuffer();
+       //WaitForResponseTimeout(CMD_ACK,NULL,100);
 
        // parse
-  CmdsParse(CommandTable, Cmd);
-  return 0;
+       CmdsParse(CommandTable, Cmd);
+       return 0;
 }
 
 int CmdHelp(const char *Cmd)
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