]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf15.c
fix 'hf 14b sriwrite' (#880)
[proxmark3-svn] / client / cmdhf15.c
index d6ab2000a211f0c430ef678aa1c13291f59ae83b..6bcad20124ac54f452d392e2435173c467a99afd 100644 (file)
 // the client. Signal Processing & decoding is done on the pc. This is the slowest
 // variant, but offers the possibility to analyze the waveforms directly. 
 
 // the client. Signal Processing & decoding is done on the pc. This is the slowest
 // variant, but offers the possibility to analyze the waveforms directly. 
 
+#include "cmdhf15.h"
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <stdint.h>
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <stdint.h>
 
-#include "proxmark3.h"
-#include "data.h"
+#include "comms.h"
 #include "graph.h"
 #include "ui.h"
 #include "util.h"
 #include "cmdparser.h"
 #include "graph.h"
 #include "ui.h"
 #include "util.h"
 #include "cmdparser.h"
-#include "cmdhf15.h"
 #include "iso15693tools.h"
 #include "iso15693tools.h"
+#include "protocols.h"
 #include "cmdmain.h"
 #include "cmdmain.h"
-
-#define FrameSOF              Iso15693FrameSOF
-#define Logic0                                         Iso15693Logic0
-#define Logic1                                         Iso15693Logic1
-#define FrameEOF                                       Iso15693FrameEOF
+#include "taginfo.h"
 
 #define Crc(data,datalen)     Iso15693Crc(data,datalen)
 #define AddCrc(data,datalen)  Iso15693AddCrc(data,datalen)
 #define sprintUID(target,uid)  Iso15693sprintUID(target,uid)
 
 
 #define Crc(data,datalen)     Iso15693Crc(data,datalen)
 #define AddCrc(data,datalen)  Iso15693AddCrc(data,datalen)
 #define sprintUID(target,uid)  Iso15693sprintUID(target,uid)
 
-// structure and database for uid -> tagtype lookups 
-typedef struct { 
-       uint64_t uid;
-       int mask; // how many MSB bits used
-       char* desc;
-} productName; 
-
-
-const productName uidmapping[] = {
+// SOF defined as
+// 1) Unmodulated time of 56.64us
+// 2) 24 pulses of 423.75khz
+// 3) logic '1' (unmodulated for 18.88us followed by 8 pulses of 423.75khz)
+
+static const int Iso15693FrameSOF[] = {
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+        1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
+        1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
+       -1, -1, -1, -1,
+       -1, -1, -1, -1,
+        1,  1,  1,  1,
+        1,  1,  1,  1
+};
+static const int Iso15693Logic0[] = {
+        1,  1,  1,  1,
+        1,  1,  1,  1,
+       -1, -1, -1, -1,
+       -1, -1, -1, -1
+};
+static const int Iso15693Logic1[] = {
+       -1, -1, -1, -1,
+       -1, -1, -1, -1,
+        1,  1,  1,  1,
+        1,  1,  1,  1
+};
 
 
-       // UID, #significant Bits, "Vendor(+Product)"
-       { 0xE001000000000000LL, 16, "Motorola UK" },
-       
-       // E0 02 xx
-       //   02 = ST Microelectronics
-       //   XX = IC id (Chip ID Family)
-       { 0xE002000000000000LL, 16, "ST Microelectronics SA France" },
-       { 0xE002050000000000LL, 24, "ST Microelectronics; LRI64   [IC id = 05]"},
-       { 0xE002080000000000LL, 24, "ST Microelectronics; LRI2K   [IC id = 08]"},
-       { 0xE0020A0000000000LL, 24, "ST Microelectronics; LRIS2K  [IC id = 10]"},
-       { 0xE002440000000000LL, 24, "ST Microelectronics; LRIS64K [IC id = 68]"},
-
-       { 0xE003000000000000LL, 16, "Hitachi, Ltd Japan" }, 
-       
-       // E0 04 xx
-       //   04 = Manufacturer code (Philips/NXP)
-       //   XX = IC id (Chip ID Family)
-       //I-Code SLI SL2 ICS20 [IC id = 01]
-       //I-Code SLI-S         [IC id = 02]
-       //I-Code SLI-L         [IC id = 03]
-       //I-Code SLIX          [IC id = 01 + bit36 set to 1 (starting from bit0 - different from normal SLI)]
-       //I-Code SLIX-S        [IC id = 02 + bit36 set to 1]
-       //I-Code SLIX-L        [IC id = 03 + bit36 set to 1]
-       { 0xE004000000000000LL, 16, "NXP Semiconductors Germany (Philips)" }, 
-       { 0xE004010000000000LL, 24, "NXP(Philips); IC SL2 ICS20/ICS21(SLI) ICS2002/ICS2102(SLIX)" },
-       { 0xE004020000000000LL, 24, "NXP(Philips); IC SL2 ICS53/ICS54(SLI-S) ICS5302/ICS5402(SLIX-S)" },
-       { 0xE004030000000000LL, 24, "NXP(Philips); IC SL2 ICS50/ICS51(SLI-L) ICS5002/ICS5102(SLIX-L)" },
-
-       // E0 05 XX .. .. ..
-       //   05 = Manufacturer code (Infineon)
-       //   XX = IC id (Chip ID Family)
-       { 0xE005000000000000LL, 16, "Infineon Technologies AG Germany" }, 
-       { 0xE005A10000000000LL, 24, "Infineon; SRF55V01P [IC id = 161] plain mode 1kBit"},
-       { 0xE005A80000000000LL, 24, "Infineon; SRF55V01P [IC id = 168] pilot series 1kBit"},
-       { 0xE005400000000000LL, 24, "Infineon; SRF55V02P [IC id = 64]  plain mode 2kBit"},
-       { 0xE005000000000000LL, 24, "Infineon; SRF55V10P [IC id = 00]  plain mode 10KBit"},
-       { 0xE005500000000000LL, 24, "Infineon; SRF55V02S [IC id = 80]  secure mode 2kBit"},
-       { 0xE005100000000000LL, 24, "Infineon; SRF55V10S [IC id = 16]  secure mode 10KBit"},
-       { 0xE0051E0000000000LL, 23, "Infineon; SLE66r01P [IC id = 3x = My-d Move or My-d move NFC]"},
-       { 0xE005200000000000LL, 21, "Infineon; SLE66r01P [IC id = 3x = My-d Move or My-d move NFC]"},
-       
-       { 0xE006000000000000LL, 16, "Cylink USA" }, 
-       
-       
-       // E0 07 xx
-       //   07 = Texas Instruments
-       //   XX = from bit 41 to bit 43 = product configuration - from bit 44 to bit 47 IC id (Chip ID Family)
-       //Tag IT RFIDType-I Plus, 2kBit, TI Inlay
-       //Tag-it HF-I Plus Inlay             [IC id = 00] -> b'0000 000 2kBit
-       //Tag-it HF-I Plus Chip              [IC id = 64] -> b'1000 000 2kBit
-       //Tag-it HF-I Standard Chip / Inlays [IC id = 96] -> b'1100 000 256Bit
-       //Tag-it HF-I Pro Chip / Inlays      [IC id = 98] -> b'1100 010 256Bit, Password protection
-       { 0xE007000000000000LL, 16, "Texas Instrument France" },
-       { 0xE007000000000000LL, 20, "Texas Instrument; Tag-it HF-I Plus Inlay; 64x32bit" },
-       { 0xE007100000000000LL, 20, "Texas Instrument; Tag-it HF-I Plus Chip; 64x32bit" },
-       { 0xE007800000000000LL, 23, "Texas Instrument; Tag-it HF-I Plus (RF-HDT-DVBB tag or Third Party Products)" },
-       { 0xE007C00000000000LL, 23, "Texas Instrument; Tag-it HF-I Standard; 8x32bit" },
-       { 0xE007C40000000000LL, 23, "Texas Instrument; Tag-it HF-I Pro; 8x23bit; password" },   
-
-       { 0xE008000000000000LL, 16, "Fujitsu Limited Japan" }, 
-       { 0xE009000000000000LL, 16, "Matsushita Electronics Corporation, Semiconductor Company Japan" }, 
-       { 0xE00A000000000000LL, 16, "NEC Japan" }, 
-       { 0xE00B000000000000LL, 16, "Oki Electric Industry Co. Ltd Japan" },
-       { 0xE00C000000000000LL, 16, "Toshiba Corp. Japan" },
-       { 0xE00D000000000000LL, 16, "Mitsubishi Electric Corp. Japan" },
-       { 0xE00E000000000000LL, 16, "Samsung Electronics Co. Ltd Korea" },
-       { 0xE00F000000000000LL, 16, "Hynix / Hyundai, Korea" },
-       { 0xE010000000000000LL, 16, "LG-Semiconductors Co. Ltd Korea" },
-       { 0xE011000000000000LL, 16, "Emosyn-EM Microelectronics USA" },
-
-       { 0xE012000000000000LL, 16, "HID Corporation" },
-       { 0xE012000000000000LL, 16, "INSIDE Technology France" },
-       { 0xE013000000000000LL, 16, "ORGA Kartensysteme GmbH Germany" },
-       { 0xE014000000000000LL, 16, "SHARP Corporation Japan" },
-       { 0xE015000000000000LL, 16, "ATMEL France" },
-       
-       { 0xE016000000000000LL, 16, "EM Microelectronic-Marin SA Switzerland (Skidata)" },
-       { 0xE016040000000000LL, 24, "EM-Marin SA (Skidata Keycard-eco); EM4034? no 'read', just 'readmulti'" },
-       { 0xE0160c0000000000LL, 24, "EM-Marin SA; EM4035?" },
-       { 0xE016100000000000LL, 24, "EM-Marin SA (Skidata); EM4135; 36x64bit start page 13" },
-       { 0xE016940000000000LL, 24, "EM-Marin SA (Skidata); 51x64bit" },
-       
-       { 0xE017000000000000LL, 16, "KSW Microtec GmbH Germany" },
-       { 0xE018000000000000LL, 16, "ZMD AG Germany" },
-       { 0xE019000000000000LL, 16, "XICOR, Inc. USA" },
-       { 0xE01A000000000000LL, 16, "Sony Corporation Japan Identifier Company Country" },
-       { 0xE01B000000000000LL, 16, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
-       { 0xE01C000000000000LL, 16, "Emosyn USA" },
-       { 0xE01D000000000000LL, 16, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
-       { 0xE01E000000000000LL, 16, "Magellan Technology Pty Limited Australia" },
-       { 0xE01F000000000000LL, 16, "Melexis NV BO Switzerland" },
-       { 0xE020000000000000LL, 16, "Renesas Technology Corp. Japan" },
-       { 0xE021000000000000LL, 16, "TAGSYS France" },
-       { 0xE022000000000000LL, 16, "Transcore USA" },
-       { 0xE023000000000000LL, 16, "Shanghai belling corp., ltd. China" },
-       { 0xE024000000000000LL, 16, "Masktech Germany Gmbh Germany" },
-       { 0xE025000000000000LL, 16, "Innovision Research and Technology Plc UK" },
-       { 0xE026000000000000LL, 16, "Hitachi ULSI Systems Co., Ltd. Japan" },
-       { 0xE027000000000000LL, 16, "Cypak AB Sweden" },
-       { 0xE028000000000000LL, 16, "Ricoh Japan" },
-       { 0xE029000000000000LL, 16, "ASK France" },
-       { 0xE02A000000000000LL, 16, "Unicore Microsystems, LLC Russian Federation" },
-       { 0xE02B000000000000LL, 16, "Dallas Semiconductor/Maxim USA" },
-       { 0xE02C000000000000LL, 16, "Impinj, Inc. USA" },
-       { 0xE02D000000000000LL, 16, "RightPlug Alliance USA" },
-       { 0xE02E000000000000LL, 16, "Broadcom Corporation USA" },
-       { 0xE02F000000000000LL, 16, "MStar Semiconductor, Inc Taiwan, ROC" },
-       { 0xE030000000000000LL, 16, "BeeDar Technology Inc. USA" },
-       { 0xE031000000000000LL, 16, " RFIDsec Denmark" },
-       { 0xE032000000000000LL, 16, " Schweizer Electronic AG Germany" },
-       { 0xE033000000000000LL, 16, " AMIC Technology Corp Taiwan" }, 
-       { 0xE034000000000000LL, 16, "Mikron JSC Russia" },
-       { 0xE035000000000000LL, 16, "Fraunhofer Institute for Photonic Microsystems Germany" },
-       { 0xE036000000000000LL, 16, "IDS Microchip AG Switzerland" },
-       { 0xE037000000000000LL, 16, "Kovio USA" },
-       { 0xE038000000000000LL, 16, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
-       { 0xE039000000000000LL, 16, "Silicon Craft Technology Thailand" },
-       { 0xE03A000000000000LL, 16, "Advanced Film Device Inc. Japan" },
-       { 0xE03B000000000000LL, 16, "Nitecrest Ltd UK" },
-       { 0xE03C000000000000LL, 16, "Verayo Inc. USA" },
-       { 0xE03D000000000000LL, 16, "HID Global USA" },
-       { 0xE03E000000000000LL, 16, "Productivity Engineering Gmbh Germany" },
-       { 0xE03F000000000000LL, 16, "Austriamicrosystems AG (reserved) Austria" }, 
-       { 0xE040000000000000LL, 16, "Gemalto SA France" },
-       { 0xE041000000000000LL, 16, "Renesas Electronics Corporation Japan" },
-       { 0xE042000000000000LL, 16, "3Alogics Inc Korea" },
-       { 0xE043000000000000LL, 16, "Top TroniQ Asia Limited Hong Kong" },
-       { 0xE044000000000000LL, 16, "Gentag Inc (USA) USA" },
-       { 0,0,"no tag-info available" } // must be the last entry
+// EOF defined as
+// 1) logic '0' (8 pulses of 423.75khz followed by unmodulated for 18.88us)
+// 2) 24 pulses of 423.75khz
+// 3) Unmodulated time of 56.64us
+
+static const int Iso15693FrameEOF[] = {
+        1,  1,  1,  1,
+        1,  1,  1,  1,
+       -1, -1, -1, -1,
+       -1, -1, -1, -1,
+        1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
+        1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
 };
 
 
 };
 
 
@@ -201,18 +101,17 @@ int getUID(uint8_t *buf)
        
        for (int retry=0;retry<3; retry++) { // don't give up the at the first try              
                
        
        for (int retry=0;retry<3; retry++) { // don't give up the at the first try              
                
-               req[0]= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | 
-                       ISO15_REQ_INVENTORY | ISO15_REQINV_SLOT1;
-               req[1]=ISO15_CMD_INVENTORY;
-               req[2]=0; // mask length
-               reqlen=AddCrc(req,3);
-               c.arg[0]=reqlen;
+               req[0] = ISO15693_REQ_DATARATE_HIGH | ISO15693_REQ_INVENTORY | ISO15693_REQINV_SLOT1;
+               req[1] = ISO15693_INVENTORY;
+               req[2] = 0; // mask length
+               reqlen = AddCrc(req,3);
+               c.arg[0] = reqlen;
        
                SendCommand(&c);
                
                if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
                        recv = resp.d.asBytes;
        
                SendCommand(&c);
                
                if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
                        recv = resp.d.asBytes;
-                       if (resp.arg[0]>=12 && ISO15_CRC_CHECK==Crc(recv,12)) {
+                       if (resp.arg[0]>=12 && ISO15693_CRC_CHECK==Crc(recv,12)) {
                           memcpy(buf,&recv[2],8);
                           return 1;
                        } 
                           memcpy(buf,&recv[2],8);
                           return 1;
                        } 
@@ -222,34 +121,6 @@ int getUID(uint8_t *buf)
 }
 
 
 }
 
 
-
-// get a product description based on the UID
-//             uid[8]  tag uid
-// returns description of the best match       
-static char* getTagInfo(uint8_t *uid) {
-       uint64_t myuid,mask;
-       int i=0, best=-1;       
-       memcpy(&myuid,uid,sizeof(uint64_t));
-       while (uidmapping[i].mask>0) {
-               mask=(~0LL) <<(64-uidmapping[i].mask);
-               if ((myuid & mask) == uidmapping[i].uid) {
-                       if (best==-1) { 
-                               best=i;
-                       } else {
-                               if (uidmapping[i].mask>uidmapping[best].mask) {
-                                       best=i;
-                               }
-                       }                                       
-               } 
-               i++;
-       } 
-
-       if (best>=0) return uidmapping[best].desc;
-       
-       return uidmapping[i].desc; 
-}
-
-
 // return a clear-text message to an errorcode
 static char* TagErrorStr(uint8_t error) {
        switch (error) {
 // return a clear-text message to an errorcode
 static char* TagErrorStr(uint8_t error) {
        switch (error) {
@@ -257,7 +128,7 @@ static char* TagErrorStr(uint8_t error) {
                case 0x02: return "The command is not recognised";
                case 0x03: return "The option is not supported.";
                case 0x0f: return "Unknown error.";
                case 0x02: return "The command is not recognised";
                case 0x03: return "The option is not supported.";
                case 0x0f: return "Unknown error.";
-               case 0x10: return "The specified block is not available (doesnt exist).";
+               case 0x10: return "The specified block is not available (doesn't exist).";
                case 0x11: return "The specified block is already -locked and thus cannot be locked again";
                case 0x12: return "The specified block is locked and its content cannot be changed.";
                case 0x13: return "The specified block was not successfully programmed.";
                case 0x11: return "The specified block is already -locked and thus cannot be locked again";
                case 0x12: return "The specified block is locked and its content cannot be changed.";
                case 0x13: return "The specified block was not successfully programmed.";
@@ -275,15 +146,15 @@ int CmdHF15Demod(const char *Cmd)
        int i, j;
        int max = 0, maxPos = 0;
 
        int i, j;
        int max = 0, maxPos = 0;
 
-       int skip = 4;
+       int skip = 2;
 
 
-       if (GraphTraceLen < 1000) return 0;
+       if (GraphTraceLen < 2000) return 0;
 
        // First, correlate for SOF
 
        // First, correlate for SOF
-       for (i = 0; i < 100; i++) {
+       for (i = 0; i < 200; i++) {
                int corr = 0;
                int corr = 0;
-               for (j = 0; j < arraylen(FrameSOF); j += skip) {
-                       corr += FrameSOF[j] * GraphBuffer[i + (j / skip)];
+               for (j = 0; j < arraylen(Iso15693FrameSOF); j += skip) {
+                       corr += Iso15693FrameSOF[j] * GraphBuffer[i + (j / skip)];
                }
                if (corr > max) {
                        max = corr;
                }
                if (corr > max) {
                        max = corr;
@@ -291,43 +162,50 @@ int CmdHF15Demod(const char *Cmd)
                }
        }
        PrintAndLog("SOF at %d, correlation %d", maxPos,
                }
        }
        PrintAndLog("SOF at %d, correlation %d", maxPos,
-               max / (arraylen(FrameSOF) / skip));
+               max / (arraylen(Iso15693FrameSOF) / skip));
        
        
-       i = maxPos + arraylen(FrameSOF) / skip;
+       i = maxPos + arraylen(Iso15693FrameSOF) / skip;
        int k = 0;
        uint8_t outBuf[20];
        memset(outBuf, 0, sizeof(outBuf));
        uint8_t mask = 0x01;
        for (;;) {
        int k = 0;
        uint8_t outBuf[20];
        memset(outBuf, 0, sizeof(outBuf));
        uint8_t mask = 0x01;
        for (;;) {
-               int corr0 = 0, corr1 = 0, corrEOF = 0;
-               for (j = 0; j < arraylen(Logic0); j += skip) {
-                       corr0 += Logic0[j] * GraphBuffer[i + (j / skip)];
-               }
-               for (j = 0; j < arraylen(Logic1); j += skip) {
-                       corr1 += Logic1[j] * GraphBuffer[i + (j / skip)];
-               }
-               for (j = 0; j < arraylen(FrameEOF); j += skip) {
-                       corrEOF += FrameEOF[j] * GraphBuffer[i + (j / skip)];
-               }
-               // Even things out by the length of the target waveform.
-               corr0 *= 4;
-               corr1 *= 4;
-               
-               if (corrEOF > corr1 && corrEOF > corr0) {
-                       PrintAndLog("EOF at %d", i);
-                       break;
+                       int corr0 = 0, corr00 = 0, corr01 = 0, corr1 = 0, corrEOF = 0;
+                       for(j = 0; j < arraylen(Iso15693Logic0); j += skip) {
+                               corr0 += Iso15693Logic0[j]*GraphBuffer[i+(j/skip)];
+                       }
+                       corr01 = corr00 = corr0;
+                       for(j = 0; j < arraylen(Iso15693Logic0); j += skip) {
+                               corr00 += Iso15693Logic0[j]*GraphBuffer[i+arraylen(Iso15693Logic0)/skip+(j/skip)];
+                               corr01 += Iso15693Logic1[j]*GraphBuffer[i+arraylen(Iso15693Logic0)/skip+(j/skip)];
+                       }
+                       for(j = 0; j < arraylen(Iso15693Logic1); j += skip) {
+                               corr1 += Iso15693Logic1[j]*GraphBuffer[i+(j/skip)];
+                       }
+                       for(j = 0; j < arraylen(Iso15693FrameEOF); j += skip) {
+                               corrEOF += Iso15693FrameEOF[j]*GraphBuffer[i+(j/skip)];
+                       }
+                       // Even things out by the length of the target waveform.
+                       corr00 *= 2;
+                       corr01 *= 2;
+                       corr0 *= 4;
+                       corr1 *= 4;
+       
+                       if(corrEOF > corr1 && corrEOF > corr00 && corrEOF > corr01) {
+                               PrintAndLog("EOF at %d", i);
+                               break;
                } else if (corr1 > corr0) {
                } else if (corr1 > corr0) {
-                       i += arraylen(Logic1) / skip;
+                       i += arraylen(Iso15693Logic1) / skip;
                        outBuf[k] |= mask;
                } else {
                        outBuf[k] |= mask;
                } else {
-                       i += arraylen(Logic0) / skip;
+                       i += arraylen(Iso15693Logic0) / skip;
                }
                mask <<= 1;
                if (mask == 0) {
                        k++;
                        mask = 0x01;
                }
                }
                mask <<= 1;
                if (mask == 0) {
                        k++;
                        mask = 0x01;
                }
-               if ((i + (int)arraylen(FrameEOF)) >= GraphTraceLen) {
+               if ((i + (int)arraylen(Iso15693FrameEOF)) >= GraphTraceLen) {
                        PrintAndLog("ran off end!");
                        break;
                }
                        PrintAndLog("ran off end!");
                        break;
                }
@@ -355,14 +233,29 @@ int CmdHF15Read(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 
-// Record Activity without enabeling carrier
-int CmdHF15Record(const char *Cmd)
+// Record Activity without enabling carrier
+int CmdHF15Snoop(const char *Cmd)
 {
 {
-       UsbCommand c = {CMD_RECORD_RAW_ADC_SAMPLES_ISO_15693};
+       UsbCommand c = {CMD_SNOOP_ISO_15693};
        SendCommand(&c);
        return 0;
 }
 
        SendCommand(&c);
        return 0;
 }
 
+int HF15Reader(const char *Cmd, bool verbose)
+{
+       uint8_t uid[8];
+
+       if (!getUID(uid)) {
+               if (verbose) PrintAndLog("No Tag found.");
+               return 0;
+       }
+
+       PrintAndLog("UID:               %s", sprintUID(NULL,uid));
+       PrintAndLog("Manufacturer byte: %02X, %s", uid[6], getManufacturerName(uid[6]));
+       PrintAndLog("Chip ID:           %02X, %s", uid[5], getChipInfo(uid[6], uid[5]));
+       return 1;
+}
+
 int CmdHF15Reader(const char *Cmd)
 {
        UsbCommand c = {CMD_READER_ISO_15693, {strtol(Cmd, NULL, 0), 0, 0}};
 int CmdHF15Reader(const char *Cmd)
 {
        UsbCommand c = {CMD_READER_ISO_15693, {strtol(Cmd, NULL, 0), 0, 0}};
@@ -391,6 +284,7 @@ int CmdHF15Sim(const char *Cmd)
        
        PrintAndLog("Starting simulating UID %02X %02X %02X %02X %02X %02X %02X %02X",
                        uid[0],uid[1],uid[2],uid[3],uid[4], uid[5], uid[6], uid[7]);
        
        PrintAndLog("Starting simulating UID %02X %02X %02X %02X %02X %02X %02X %02X",
                        uid[0],uid[1],uid[2],uid[3],uid[4], uid[5], uid[6], uid[7]);
+       PrintAndLog("Press the button to stop simulation");
 
        UsbCommand c = {CMD_SIMTAG_ISO_15693, {0, 0, 0}};
        memcpy(c.d.asBytes,uid,8);
 
        UsbCommand c = {CMD_SIMTAG_ISO_15693, {0, 0, 0}};
        memcpy(c.d.asBytes,uid,8);
@@ -424,25 +318,26 @@ int CmdHF15DumpMem(const char*Cmd) {
                return 0;
        }
        
                return 0;
        }
        
-       PrintAndLog("Reading memory from tag UID=%s",sprintUID(NULL,uid));
-       PrintAndLog("Tag Info: %s",getTagInfo(uid));
+       PrintAndLog("Reading memory from tag");
+       PrintAndLog("UID:               %s", sprintUID(NULL,uid));
+       PrintAndLog("Manufacturer byte: %02X, %s", uid[6], getManufacturerName(uid[6]));
+       PrintAndLog("Chip ID:           %02X, %s", uid[5], getChipInfo(uid[6], uid[5]));
 
        for (int retry=0; retry<5; retry++) {
                
 
        for (int retry=0; retry<5; retry++) {
                
-               req[0]= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | 
-                       ISO15_REQ_NONINVENTORY | ISO15_REQ_ADDRESS;
-               req[1]=ISO15_CMD_READ;
+               req[0]= ISO15693_REQ_DATARATE_HIGH | ISO15693_REQ_ADDRESS;
+               req[1] = ISO15693_READBLOCK;
                memcpy(&req[2],uid,8);
                memcpy(&req[2],uid,8);
-               req[10]=blocknum;
-               reqlen=AddCrc(req,11);
-               c.arg[0]=reqlen;
+               req[10] = blocknum;
+               reqlen = AddCrc(req,11);
+               c.arg[0] = reqlen;
        
                SendCommand(&c);
                
                if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
                        recv = resp.d.asBytes;
        
                SendCommand(&c);
                
                if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
                        recv = resp.d.asBytes;
-                       if (ISO15_CRC_CHECK==Crc(recv,resp.arg[0])) {
-                               if (!(recv[0] & ISO15_RES_ERROR)) {
+                       if (ISO15693_CRC_CHECK==Crc(recv,resp.arg[0])) {
+                               if (!(recv[0] & ISO15693_RES_ERROR)) {
                                        retry=0;
                                        *output=0; // reset outputstring
                                        sprintf(output, "Block %02x   ",blocknum);
                                        retry=0;
                                        *output=0; // reset outputstring
                                        sprintf(output, "Block %02x   ",blocknum);
@@ -458,7 +353,7 @@ int CmdHF15DumpMem(const char*Cmd) {
                                        // PrintAndLog("bn=%i",blocknum);
                                } else {
                                        PrintAndLog("Tag returned Error %i: %s",recv[1],TagErrorStr(recv[1])); 
                                        // PrintAndLog("bn=%i",blocknum);
                                } else {
                                        PrintAndLog("Tag returned Error %i: %s",recv[1],TagErrorStr(recv[1])); 
-                                       return 0;
+                                       return 1;
                                }
                        } // else PrintAndLog("crc");
                } // else PrintAndLog("r null");
                                }
                        } // else PrintAndLog("crc");
                } // else PrintAndLog("r null");
@@ -466,11 +361,11 @@ int CmdHF15DumpMem(const char*Cmd) {
   // TODO: need fix
 //     if (resp.arg[0]<3)
 //             PrintAndLog("Lost Connection");
   // TODO: need fix
 //     if (resp.arg[0]<3)
 //             PrintAndLog("Lost Connection");
-//     else if (ISO15_CRC_CHECK!=Crc(resp.d.asBytes,resp.arg[0]))
+//     else if (ISO15693_CRC_CHECK!=Crc(resp.d.asBytes,resp.arg[0]))
 //             PrintAndLog("CRC Failed");
 //     else 
 //             PrintAndLog("Tag returned Error %i: %s",recv[1],TagErrorStr(recv[1])); 
 //             PrintAndLog("CRC Failed");
 //     else 
 //             PrintAndLog("Tag returned Error %i: %s",recv[1],TagErrorStr(recv[1])); 
-       return 0;
+       return 1;
 }
 
 
 }
 
 
@@ -481,13 +376,14 @@ static command_t CommandTable15[] =
        {"help",    CmdHF15Help,    1, "This help"},
        {"demod",   CmdHF15Demod,   1, "Demodulate ISO15693 from tag"},
        {"read",    CmdHF15Read,    0, "Read HF tag (ISO 15693)"},
        {"help",    CmdHF15Help,    1, "This help"},
        {"demod",   CmdHF15Demod,   1, "Demodulate ISO15693 from tag"},
        {"read",    CmdHF15Read,    0, "Read HF tag (ISO 15693)"},
-       {"record",  CmdHF15Record,  0, "Record Samples (ISO 15693)"}, // atrox
+       {"snoop",   CmdHF15Snoop,   0, "Eavesdrop ISO 15693 communications"},
        {"reader",  CmdHF15Reader,  0, "Act like an ISO15693 reader"},
        {"sim",     CmdHF15Sim,     0, "Fake an ISO15693 tag"},
        {"cmd",     CmdHF15Cmd,     0, "Send direct commands to ISO15693 tag"},
        {"findafi", CmdHF15Afi,     0, "Brute force AFI of an ISO15693 tag"},
        {"dumpmemory", CmdHF15DumpMem,     0, "Read all memory pages of an ISO15693 tag"},
        {"reader",  CmdHF15Reader,  0, "Act like an ISO15693 reader"},
        {"sim",     CmdHF15Sim,     0, "Fake an ISO15693 tag"},
        {"cmd",     CmdHF15Cmd,     0, "Send direct commands to ISO15693 tag"},
        {"findafi", CmdHF15Afi,     0, "Brute force AFI of an ISO15693 tag"},
        {"dumpmemory", CmdHF15DumpMem,     0, "Read all memory pages of an ISO15693 tag"},
-               {NULL, NULL, 0, NULL}
+       {"csetuid",     CmdHF15CSetUID, 0,      "Set UID for magic Chinese card"},
+       {NULL, NULL, 0, NULL}
 };
 
 int CmdHF15(const char *Cmd)
 };
 
 int CmdHF15(const char *Cmd)
@@ -514,20 +410,20 @@ int CmdHF15CmdInquiry(const char *Cmd)
        uint8_t *req=c.d.asBytes;
        int reqlen=0;
        
        uint8_t *req=c.d.asBytes;
        int reqlen=0;
        
-       req[0]= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | 
-               ISO15_REQ_INVENTORY | ISO15_REQINV_SLOT1;
-       req[1]=ISO15_CMD_INVENTORY;
-       req[2]=0; // mask length
+       req[0] = ISO15693_REQ_DATARATE_HIGH | ISO15693_REQ_INVENTORY | ISO15693_REQINV_SLOT1;
+       req[1] = ISO15693_INVENTORY;
+       req[2] = 0; // mask length
        reqlen=AddCrc(req,3);
        reqlen=AddCrc(req,3);
-       c.arg[0]=reqlen;
+       c.arg[0] = reqlen;
 
        SendCommand(&c);
        
        if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
                if (resp.arg[0]>=12) {
 
        SendCommand(&c);
        
        if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
                if (resp.arg[0]>=12) {
-                  recv = resp.d.asBytes;
-                  PrintAndLog("UID=%s",sprintUID(NULL,&recv[2]));
-                  PrintAndLog("Tag Info: %s",getTagInfo(&recv[2]));    
+                       recv = resp.d.asBytes;
+                       PrintAndLog("UID:               %s", sprintUID(NULL,recv+2));
+                       PrintAndLog("Manufacturer byte: %02X, %s", recv[8], getManufacturerName(recv[8]));
+                       PrintAndLog("Chip ID:           %02X, %s", recv[7], getChipInfo(recv[8], recv[7]));
                } else {
                        PrintAndLog("Response to short, just %i bytes. No tag?\n",resp.arg[0]);
                }
                } else {
                        PrintAndLog("Response to short, just %i bytes. No tag?\n",resp.arg[0]);
                }
@@ -540,9 +436,9 @@ int CmdHF15CmdInquiry(const char *Cmd)
 
 // Turns debugging on(1)/off(0)
 int CmdHF15CmdDebug( const char *cmd) {
 
 // Turns debugging on(1)/off(0)
 int CmdHF15CmdDebug( const char *cmd) {
-       int debug=atoi(cmd);
-       if (strlen(cmd)<1) {
-               PrintAndLog("Usage: hf 15 cmd debug  <0|1>");
+       int debug = atoi(cmd);
+       if (strlen(cmd) < 1) {
+               PrintAndLog("Usage: hf 15 debug <0|1>");
                PrintAndLog("   0 no debugging");
                PrintAndLog("   1 turn debugging on");  
                return 0;
                PrintAndLog("   0 no debugging");
                PrintAndLog("   1 turn debugging on");  
                return 0;
@@ -568,7 +464,7 @@ int CmdHF15CmdRaw (const char *cmd) {
        char *hexout;
 
        
        char *hexout;
 
        
-       if (strlen(cmd)<3) {
+       if (strlen(cmd)<2) {
                PrintAndLog("Usage: hf 15 cmd raw  [-r] [-2] [-c] <0A 0B 0C ... hex>");
                PrintAndLog("       -r    do not read response");
                PrintAndLog("       -2    use slower '1 out of 256' mode");
                PrintAndLog("Usage: hf 15 cmd raw  [-r] [-2] [-c] <0A 0B 0C ... hex>");
                PrintAndLog("       -r    do not read response");
                PrintAndLog("       -2    use slower '1 out of 256' mode");
@@ -630,22 +526,31 @@ int CmdHF15CmdRaw (const char *cmd) {
        SendCommand(&c);
        
        if (reply) {
        SendCommand(&c);
        
        if (reply) {
-               if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
+               if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {
                        recv = resp.d.asBytes;
                        recv = resp.d.asBytes;
-                       PrintAndLog("received %i octets",resp.arg[0]);
-                       hexout = (char *)malloc(resp.arg[0] * 3 + 1);
-                       if (hexout != NULL) {
-                               for (int i = 0; i < resp.arg[0]; i++) { // data in hex
-                                       sprintf(&hexout[i * 3], "%02X ", recv[i]);
+                       int recv_len = resp.arg[0];
+                       if (recv_len == 0) {
+                               PrintAndLog("received SOF only. Maybe Picopass/iCLASS?");
+                       } else if (recv_len > 0) {
+                               PrintAndLog("received %i octets", recv_len);
+                               hexout = (char *)malloc(resp.arg[0] * 3 + 1);
+                               if (hexout != NULL) {
+                                       for (int i = 0; i < resp.arg[0]; i++) { // data in hex
+                                               sprintf(&hexout[i * 3], "%02X ", recv[i]);
+                                       }
+                                       PrintAndLog("%s", hexout);
+                                       free(hexout);
                                }
                                }
-                               PrintAndLog("%s", hexout);
-                               free(hexout);
+                       } else if (recv_len == -1) {
+                               PrintAndLog("card didn't respond");
+                       } else if (recv_len == -2) {
+                               PrintAndLog("receive buffer overflow");
                        }
                } else {
                        PrintAndLog("timeout while waiting for reply.");
                }
                        }
                } else {
                        PrintAndLog("timeout while waiting for reply.");
                }
-               
-       } // if reply
+       }
+
        return 0;
 }
 
        return 0;
 }
 
@@ -673,7 +578,7 @@ int prepareHF15Cmd(char **cmd, UsbCommand *c, uint8_t iso15cmd[], int iso15cmdle
        while (**cmd==' ' || **cmd=='\t') (*cmd)++;
        
        if (strstr(*cmd,"-o")==*cmd) {
        while (**cmd==' ' || **cmd=='\t') (*cmd)++;
        
        if (strstr(*cmd,"-o")==*cmd) {
-               req[reqlen]=ISO15_REQ_OPTION;
+               req[reqlen]=ISO15693_REQ_OPTION;
                (*cmd)+=2;
        }
        
                (*cmd)+=2;
        }
        
@@ -688,36 +593,32 @@ int prepareHF15Cmd(char **cmd, UsbCommand *c, uint8_t iso15cmd[], int iso15cmdle
                case 's':
                case 'S':
                        // you must have selected the tag earlier
                case 's':
                case 'S':
                        // you must have selected the tag earlier
-                       req[reqlen++]|= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | 
-                      ISO15_REQ_NONINVENTORY | ISO15_REQ_SELECT;
-                  memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen);
-                       reqlen+=iso15cmdlen;               
+                       req[reqlen++] |= ISO15693_REQ_DATARATE_HIGH | ISO15693_REQ_SELECT;
+                       memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen);
+                       reqlen += iso15cmdlen;             
                   break;
                case 'u':
                case 'U':
                        // unaddressed mode may not be supported by all vendors
                   break;
                case 'u':
                case 'U':
                        // unaddressed mode may not be supported by all vendors
-                       req[reqlen++]|= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | 
-                      ISO15_REQ_NONINVENTORY;
-                  memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen);
-                       reqlen+=iso15cmdlen;               
+                       req[reqlen++] |= ISO15693_REQ_DATARATE_HIGH;
+                       memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen);
+                       reqlen += iso15cmdlen;             
                   break;
                case '*':
                        // we scan for the UID ourself
                   break;
                case '*':
                        // we scan for the UID ourself
-                       req[reqlen++]|= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | 
-                      ISO15_REQ_NONINVENTORY | ISO15_REQ_ADDRESS;
-                  memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen);
+                       req[reqlen++] |= ISO15693_REQ_DATARATE_HIGH | ISO15693_REQ_ADDRESS;
+                       memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen);
                        reqlen+=iso15cmdlen;               
                        reqlen+=iso15cmdlen;               
-                  if (!getUID(uid)) {
-                       PrintAndLog("No Tag found");
-                       return 0;
-                  }
-                  memcpy(req+reqlen,uid,8);
-                  PrintAndLog("Detected UID %s",sprintUID(NULL,uid));
-                  reqlen+=8;
+                       if (!getUID(uid)) {
+                               PrintAndLog("No Tag found");
+                               return 0;
+                       }
+                       memcpy(req+reqlen,uid,8);
+                       PrintAndLog("Detected UID %s",sprintUID(NULL,uid));
+                       reqlen+=8;
                        break;                  
                default:
                        break;                  
                default:
-                       req[reqlen++]|= ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH | 
-                      ISO15_REQ_NONINVENTORY | ISO15_REQ_ADDRESS;
+                       req[reqlen++] |= ISO15693_REQ_DATARATE_HIGH | ISO15693_REQ_ADDRESS;
                        memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen);
                        reqlen+=iso15cmdlen;               
                   
                        memcpy(&req[reqlen],&iso15cmd[0],iso15cmdlen);
                        reqlen+=iso15cmdlen;               
                   
@@ -776,7 +677,7 @@ int CmdHF15CmdSysinfo(const char *Cmd) {
                return 0;
        }       
        
                return 0;
        }       
        
-       prepareHF15Cmd(&cmd, &c,(uint8_t[]){ISO15_CMD_SYSINFO},1);      
+       prepareHF15Cmd(&cmd, &c,(uint8_t[]){ISO15693_GET_SYSTEM_INFO},1);       
        reqlen=c.arg[0];
        
        reqlen=AddCrc(req,reqlen);
        reqlen=c.arg[0];
        
        reqlen=AddCrc(req,reqlen);
@@ -786,18 +687,12 @@ int CmdHF15CmdSysinfo(const char *Cmd) {
 
        if (WaitForResponseTimeout(CMD_ACK,&resp,1000) && resp.arg[0]>2) {
                recv = resp.d.asBytes;
 
        if (WaitForResponseTimeout(CMD_ACK,&resp,1000) && resp.arg[0]>2) {
                recv = resp.d.asBytes;
-               if (ISO15_CRC_CHECK==Crc(recv,resp.arg[0])) {
-                       if (!(recv[0] & ISO15_RES_ERROR)) {
+               if (ISO15693_CRC_CHECK==Crc(recv,resp.arg[0])) {
+                       if (!(recv[0] & ISO15693_RES_ERROR)) {
                                *output=0; // reset outputstring
                                *output=0; // reset outputstring
-                               for ( i=1; i<resp.arg[0]-2; i++) {
-                                       sprintf(output+strlen(output),"%02X ",recv[i]);
-                               }                                       
-                               strcat(output,"\n\r");
-                               strcat(output,"UID = ");
-                               strcat(output,sprintUID(NULL,recv+2));
-                               strcat(output,"\n\r");
-                               strcat(output,getTagInfo(recv+2)); //ABC
-                               strcat(output,"\n\r");
+                               PrintAndLog("UID:               %s", sprintUID(NULL,recv+2));
+                               PrintAndLog("Manufacturer byte: %02X, %s", recv[8], getManufacturerName(recv[8]));
+                               PrintAndLog("Chip ID:           %02X, %s", recv[7], getChipInfo(recv[8], recv[7]));
                                i=10;
                                if (recv[1] & 0x01) 
                                        sprintf(output+strlen(output),"DSFID supported, set to %02X\n\r",recv[i++]);
                                i=10;
                                if (recv[1] & 0x01) 
                                        sprintf(output+strlen(output),"DSFID supported, set to %02X\n\r",recv[i++]);
@@ -863,7 +758,7 @@ int CmdHF15CmdReadmulti(const char *Cmd) {
                return 0;
        }       
        
                return 0;
        }       
        
-       prepareHF15Cmd(&cmd, &c,(uint8_t[]){ISO15_CMD_READMULTI},1);    
+       prepareHF15Cmd(&cmd, &c,(uint8_t[]){ISO15693_READ_MULTI_BLOCK},1);      
        reqlen=c.arg[0];
 
        pagenum=strtol(cmd,NULL,0);
        reqlen=c.arg[0];
 
        pagenum=strtol(cmd,NULL,0);
@@ -887,8 +782,8 @@ int CmdHF15CmdReadmulti(const char *Cmd) {
 
        if (WaitForResponseTimeout(CMD_ACK,&resp,1000) && resp.arg[0]>2) {
                recv = resp.d.asBytes;
 
        if (WaitForResponseTimeout(CMD_ACK,&resp,1000) && resp.arg[0]>2) {
                recv = resp.d.asBytes;
-               if (ISO15_CRC_CHECK==Crc(recv,resp.arg[0])) {
-                       if (!(recv[0] & ISO15_RES_ERROR)) {
+               if (ISO15693_CRC_CHECK==Crc(recv,resp.arg[0])) {
+                       if (!(recv[0] & ISO15693_RES_ERROR)) {
                                *output=0; // reset outputstring
                                for ( int i=1; i<resp.arg[0]-2; i++) {
                                        sprintf(output+strlen(output),"%02X ",recv[i]);
                                *output=0; // reset outputstring
                                for ( int i=1; i<resp.arg[0]-2; i++) {
                                        sprintf(output+strlen(output),"%02X ",recv[i]);
@@ -941,7 +836,7 @@ int CmdHF15CmdRead(const char *Cmd) {
                return 0;
        }       
        
                return 0;
        }       
        
-       prepareHF15Cmd(&cmd, &c,(uint8_t[]){ISO15_CMD_READ},1); 
+       prepareHF15Cmd(&cmd, &c,(uint8_t[]){ISO15693_READBLOCK},1);     
        reqlen=c.arg[0];
 
        pagenum=strtol(cmd,NULL,0);
        reqlen=c.arg[0];
 
        pagenum=strtol(cmd,NULL,0);
@@ -960,8 +855,8 @@ int CmdHF15CmdRead(const char *Cmd) {
 
        if (WaitForResponseTimeout(CMD_ACK,&resp,1000) && resp.arg[0]>2) {
                recv = resp.d.asBytes;
 
        if (WaitForResponseTimeout(CMD_ACK,&resp,1000) && resp.arg[0]>2) {
                recv = resp.d.asBytes;
-               if (ISO15_CRC_CHECK==Crc(recv,resp.arg[0])) {
-                       if (!(recv[0] & ISO15_RES_ERROR)) {
+               if (ISO15693_CRC_CHECK==Crc(recv,resp.arg[0])) {
+                       if (!(recv[0] & ISO15693_RES_ERROR)) {
                                *output=0; // reset outputstring
                                //sprintf(output, "Block %2i   ",blocknum);
                                for ( int i=1; i<resp.arg[0]-2; i++) {
                                *output=0; // reset outputstring
                                //sprintf(output, "Block %2i   ",blocknum);
                                for ( int i=1; i<resp.arg[0]-2; i++) {
@@ -1018,7 +913,7 @@ int CmdHF15CmdWrite(const char *Cmd) {
                return 0;
        }       
        
                return 0;
        }       
        
-       prepareHF15Cmd(&cmd, &c,(uint8_t[]){ISO15_CMD_WRITE},1);        
+       prepareHF15Cmd(&cmd, &c,(uint8_t[]){ISO15693_WRITEBLOCK},1);    
        reqlen=c.arg[0];
        
        // *cmd -> page num ; *cmd2 -> data 
        reqlen=c.arg[0];
        
        // *cmd -> page num ; *cmd2 -> data 
@@ -1053,8 +948,8 @@ int CmdHF15CmdWrite(const char *Cmd) {
 
        if (WaitForResponseTimeout(CMD_ACK,&resp,2000) && resp.arg[0]>2) {
                recv = resp.d.asBytes;
 
        if (WaitForResponseTimeout(CMD_ACK,&resp,2000) && resp.arg[0]>2) {
                recv = resp.d.asBytes;
-               if (ISO15_CRC_CHECK==Crc(recv,resp.arg[0])) {
-                       if (!(recv[0] & ISO15_RES_ERROR)) {                                     
+               if (ISO15693_CRC_CHECK==Crc(recv,resp.arg[0])) {
+                       if (!(recv[0] & ISO15693_RES_ERROR)) {                                  
                                PrintAndLog("OK");      
                        } else {
                                PrintAndLog("Tag returned Error %i: %s",recv[1],TagErrorStr(recv[1])); 
                                PrintAndLog("OK");      
                        } else {
                                PrintAndLog("Tag returned Error %i: %s",recv[1],TagErrorStr(recv[1])); 
@@ -1069,6 +964,92 @@ int CmdHF15CmdWrite(const char *Cmd) {
        return 0;
 }
 
        return 0;
 }
 
+int CmdHF15CSetUID(const char *Cmd)
+{
+  uint8_t uid[8] = {0x00};
+  uint8_t oldUid[8], newUid[8] = {0x00};
+
+  uint8_t needHelp = 0;
+  char cmdp = 1;
+
+  if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 16)) {        
+    PrintAndLog("UID must include 16 HEX symbols");
+    return 1;
+  }
+
+  if (uid[0] != 0xe0) {
+    PrintAndLog("UID must begin with the byte 'E0'");
+    return 1;
+  }
+
+  while(param_getchar(Cmd, cmdp) != 0x00)
+  {
+    switch(param_getchar(Cmd, cmdp))
+    {
+    case 'h':
+    case 'H':
+      needHelp = 1;
+      break;
+    default:
+      PrintAndLog("ERROR: Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+      needHelp = 1;
+      break;
+    }
+    cmdp++;
+  }
+
+  if (strlen(Cmd) < 1 || needHelp) {
+    PrintAndLog("");
+    PrintAndLog("Usage:  hf 15 csetuid <UID 16 hex symbols>");
+    PrintAndLog("sample:  hf 15 csetuid E004013344556677");
+    PrintAndLog("Set UID for magic Chinese card (only works with such cards)");
+    return 0;
+  }
+
+  PrintAndLog("");
+  PrintAndLog("new UID | %s", sprint_hex(uid, 8));
+  PrintAndLog("Using backdoor Magic tag function");
+
+  if (!getUID(oldUid)) {
+    PrintAndLog("Can't get old UID.");
+    return 1;
+  }
+
+  UsbCommand resp;
+  uint8_t *recv;
+  char *hexout;
+  UsbCommand c = {CMD_CSETUID_ISO_15693, {0, 0, 0}};
+  memcpy(c.d.asBytes, uid, 8);
+       
+  SendCommand(&c);
+
+  for (int i=0; i<4; i++) {
+    if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
+      recv = resp.d.asBytes;
+      PrintAndLog("received %i octets",resp.arg[0]);
+      hexout = (char *)malloc(resp.arg[0] * 3 + 1);
+      if (hexout != NULL) {
+        for (int i = 0; i < resp.arg[0]; i++) { // data in hex
+          sprintf(&hexout[i * 3], "%02X ", recv[i]);
+        }
+        PrintAndLog("%s", hexout);
+        free(hexout);
+      }
+    } else {
+      PrintAndLog("timeout while waiting for reply.");
+    }
+  }
+
+  if (!getUID(newUid)) {
+    PrintAndLog("Can't get new UID.");
+    return 1;
+  }
+
+  PrintAndLog("");
+  PrintAndLog("old UID : %02X %02X %02X %02X %02X %02X %02X %02X", oldUid[7], oldUid[6], oldUid[5], oldUid[4], oldUid[3], oldUid[2], oldUid[1], oldUid[0]);
+  PrintAndLog("new UID : %02X %02X %02X %02X %02X %02X %02X %02X", newUid[7], newUid[6], newUid[5], newUid[4], newUid[3], newUid[2], newUid[1], newUid[0]);
+  return 0;
+}
 
 
 static command_t CommandTable15Cmd[] =
 
 
 static command_t CommandTable15Cmd[] =
@@ -1082,7 +1063,8 @@ static command_t CommandTable15Cmd[] =
        {"write",   CmdHF15CmdWrite,    0, "Write a block"},    
        {"readmulti",CmdHF15CmdReadmulti,    0, "Reads multiple Blocks"},
        {"sysinfo",CmdHF15CmdSysinfo,    0, "Get Card Information"},
        {"write",   CmdHF15CmdWrite,    0, "Write a block"},    
        {"readmulti",CmdHF15CmdReadmulti,    0, "Reads multiple Blocks"},
        {"sysinfo",CmdHF15CmdSysinfo,    0, "Get Card Information"},
-       {"raw",          CmdHF15CmdRaw,         0,      "Send raw hex data to tag"}, 
+       {"raw",          CmdHF15CmdRaw,         0,      "Send raw hex data to tag"},
+       {"csetuid",     CmdHF15CSetUID, 0,      "Set UID for magic Chinese card"},
        {"debug",    CmdHF15CmdDebug,    0, "Turn debugging on/off"},
        {NULL, NULL, 0, NULL}
 };
        {"debug",    CmdHF15CmdDebug,    0, "Turn debugging on/off"},
        {NULL, NULL, 0, NULL}
 };
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