HitagS Improvements (#721)

[proxmark3-svn] / client / cmdhf14b.c

diff --git a/client/cmdhf14b.c b/client/cmdhf14b.c
index d1d668e9e28fcf1fffa9c40a4c64df5db2796096..ff0bf7c94040f22058db0ea3475fbdf4785c91bb 100644 (file)
--- a/client/cmdhf14b.c
+++ b/client/cmdhf14b.c
@@ -8,19 +8,19 @@
 // High frequency ISO14443B commands
 //-----------------------------------------------------------------------------
 
 // High frequency ISO14443B commands
 //-----------------------------------------------------------------------------
 

+#include "cmdhf14b.h"
+

 #include <stdio.h>
 #include <stdlib.h>
 #include <stdbool.h>
 #include <string.h>
 #include <stdint.h>
 #include "iso14443crc.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdbool.h>
 #include <string.h>
 #include <stdint.h>
 #include "iso14443crc.h"

-#include "proxmark3.h"
-#include "data.h"
+#include "comms.h"

 #include "graph.h"
 #include "util.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "graph.h"
 #include "util.h"
 #include "ui.h"
 #include "cmdparser.h"

-#include "cmdhf14b.h"

 #include "cmdmain.h"
 #include "cmdhf14a.h"
 
 #include "cmdmain.h"
 #include "cmdhf14a.h"
 


@@ -132,17 +132,21 @@ int CmdHF14BCmdRaw (const char *Cmd) {
        bool reply = true;
        bool crc = false;
        bool power = false;
        bool reply = true;
        bool crc = false;
        bool power = false;

+       bool select = false;
+       bool SRx = false;

        char buf[5] = "";
        uint8_t data[100] = {0x00};
        uint8_t datalen = 0;
        unsigned int temp;
        int i = 0;
        if (strlen(Cmd)<3) {
        char buf[5] = "";
        uint8_t data[100] = {0x00};
        uint8_t datalen = 0;
        unsigned int temp;
        int i = 0;
        if (strlen(Cmd)<3) {

-                       PrintAndLog("Usage: hf 14b raw [-r] [-c] [-p] <0A 0B 0C ... hex>");
+                       PrintAndLog("Usage: hf 14b raw [-r] [-c] [-p] [-s || -ss] <0A 0B 0C ... hex>");

                        PrintAndLog("       -r    do not read response");
                        PrintAndLog("       -c    calculate and append CRC");
                        PrintAndLog("       -p    leave the field on after receive");
                        PrintAndLog("       -r    do not read response");
                        PrintAndLog("       -c    calculate and append CRC");
                        PrintAndLog("       -p    leave the field on after receive");

-                       return 0;    
+                       PrintAndLog("       -s    active signal field ON with select");
+                       PrintAndLog("       -ss   active signal field ON with select for SRx ST Microelectronics tags");
+                       return 0;

        }
 
        // strip
        }
 
        // strip


@@ -164,6 +168,14 @@ int CmdHF14BCmdRaw (const char *Cmd) {
                                case 'P': 
                                        power = true;
                                        break;
                                case 'P': 
                                        power = true;
                                        break;

+                               case 's':
+                               case 'S':
+                                       select = true;
+                                       if (Cmd[i+2]=='s' || Cmd[i+2]=='S') {
+                                               SRx = true;
+                                               i++;
+                                       }
+                                       break;

                                default:
                                        PrintAndLog("Invalid option");
                                        return 0;
                                default:
                                        PrintAndLog("Invalid option");
                                        return 0;


@@ -186,7 +198,7 @@ int CmdHF14BCmdRaw (const char *Cmd) {
                        continue;
                }
                PrintAndLog("Invalid char on input");
                        continue;
                }
                PrintAndLog("Invalid char on input");

-               return 1;
+               return 0;

        }
        if (datalen == 0)
        {
        }
        if (datalen == 0)
        {


@@ -194,11 +206,58 @@ int CmdHF14BCmdRaw (const char *Cmd) {
                return 0;
        }
 
                return 0;
        }
 

+       if (select){ //auto select 14b tag
+               uint8_t cmd2[16];
+               bool crc2 = true;
+               uint8_t cmdLen;
+
+               if (SRx) {
+                       // REQ SRx
+                       cmdLen = 2;
+                       cmd2[0] = 0x06;
+                       cmd2[1] = 0x00;
+               } else {
+                       cmdLen = 3;
+                       // REQB
+                       cmd2[0] = 0x05;
+                       cmd2[1] = 0x00;
+                       cmd2[2] = 0x08;
+               }
+
+               if (HF14BCmdRaw(true, &crc2, true, cmd2, &cmdLen, false)==0) return rawClose();
+
+               if ( SRx && (cmdLen != 3 || !crc2) ) return rawClose();
+               else if (cmd2[0] != 0x50 || cmdLen != 14 || !crc2) return rawClose();
+               
+               uint8_t chipID = 0;
+               if (SRx) {
+                       // select
+                       chipID = cmd2[0];
+                       cmd2[0] = 0x0E;
+                       cmd2[1] = chipID;
+                       cmdLen = 2;
+               } else {
+                       // attrib
+                       cmd2[0] = 0x1D; 
+                       // UID from cmd2[1 - 4]
+                       cmd2[5] = 0x00;
+                       cmd2[6] = 0x08;
+                       cmd2[7] = 0x01;
+                       cmd2[8] = 0x00;
+                       cmdLen = 9;
+               }
+
+               if (HF14BCmdRaw(true, &crc2, true, cmd2, &cmdLen, false)==0) return rawClose();
+
+               if (cmdLen != 3 || !crc2) return rawClose();
+               if (SRx && cmd2[0] != chipID) return rawClose();
+       }

        return HF14BCmdRaw(reply, &crc, power, data, &datalen, true);
 }
 
        return HF14BCmdRaw(reply, &crc, power, data, &datalen, true);
 }
 

+// print full atqb info

 static void print_atqb_resp(uint8_t *data){
 static void print_atqb_resp(uint8_t *data){

-       PrintAndLog ("           UID: %s", sprint_hex(data+1,4));
+       //PrintAndLog ("           UID: %s", sprint_hex(data+1,4));

        PrintAndLog ("      App Data: %s", sprint_hex(data+5,4));
        PrintAndLog ("      Protocol: %s", sprint_hex(data+9,3));
        uint8_t BitRate = data[9];
        PrintAndLog ("      App Data: %s", sprint_hex(data+5,4));
        PrintAndLog ("      Protocol: %s", sprint_hex(data+9,3));
        uint8_t BitRate = data[9];


@@ -233,18 +292,20 @@ static void print_atqb_resp(uint8_t *data){
        else
                maxFrame = 257;
 
        else
                maxFrame = 257;
 

-       PrintAndLog ("Max Frame Size: %d%s",maxFrame, (maxFrame == 257) ? "+ RFU" : "");
+       PrintAndLog ("Max Frame Size: %u%s",maxFrame, (maxFrame == 257) ? "+ RFU" : "");

 
        uint8_t protocolT = data[10] & 0xF;
        PrintAndLog (" Protocol Type: Protocol is %scompliant with ISO/IEC 14443-4",(protocolT) ? "" : "not " );
 
        uint8_t protocolT = data[10] & 0xF;
        PrintAndLog (" Protocol Type: Protocol is %scompliant with ISO/IEC 14443-4",(protocolT) ? "" : "not " );

-       PrintAndLog ("Frame Wait Int: %d", data[11]>>4);
+       PrintAndLog ("Frame Wait Int: %u", data[11]>>4);

        PrintAndLog (" App Data Code: Application is %s",(data[11]&4) ? "Standard" : "Proprietary");
        PrintAndLog (" Frame Options: NAD is %ssupported",(data[11]&2) ? "" : "not ");
        PrintAndLog (" Frame Options: CID is %ssupported",(data[11]&1) ? "" : "not ");
        PrintAndLog (" App Data Code: Application is %s",(data[11]&4) ? "Standard" : "Proprietary");
        PrintAndLog (" Frame Options: NAD is %ssupported",(data[11]&2) ? "" : "not ");
        PrintAndLog (" Frame Options: CID is %ssupported",(data[11]&1) ? "" : "not ");

+       PrintAndLog ("Max Buf Length: %u (MBLI) %s",data[14]>>4, (data[14] & 0xF0) ? "" : "not supported");

        
        return;
 }
 
        
        return;
 }
 

+// get SRx chip model (from UID) // from ST Microelectronics

 char *get_ST_Chip_Model(uint8_t data){
        static char model[20];
        char *retStr = model;
 char *get_ST_Chip_Model(uint8_t data){
        static char model[20];
        char *retStr = model;


@@ -263,20 +324,86 @@ char *get_ST_Chip_Model(uint8_t data){
        return retStr;
 }
 
        return retStr;
 }
 

-static void print_st_info(uint8_t *data){
+int print_ST_Lock_info(uint8_t model){
+       //assume connection open and tag selected...
+       uint8_t data[16] = {0x00};
+       uint8_t datalen = 2;
+       bool crc = true;
+       uint8_t resplen;
+       uint8_t blk1;
+       data[0] = 0x08;
+
+       if (model == 0x2) { //SR176 has special command:
+               data[1] = 0xf;
+               resplen = 4;                    
+       } else {
+               data[1] = 0xff;
+               resplen = 6;
+       }
+
+       //std read cmd
+       if (HF14BCmdRaw(true, &crc, true, data, &datalen, false)==0) return rawClose();
+
+       if (datalen != resplen || !crc) return rawClose();
+
+       PrintAndLog("Chip Write Protection Bits:");
+       // now interpret the data
+       switch (model){
+               case 0x0: //fall through (SRIX4K special)
+               case 0x3: //fall through (SRIx4K)
+               case 0x7: //             (SRI4K)
+                       //only need data[3]
+                       blk1 = 9;
+                       PrintAndLog("   raw: %s",printBits(1,data+3));
+                       PrintAndLog(" 07/08:%slocked", (data[3] & 1) ? " not " : " " );
+                       for (uint8_t i = 1; i<8; i++){
+                               PrintAndLog("    %02u:%slocked", blk1, (data[3] & (1 << i)) ? " not " : " " );
+                               blk1++;
+                       }
+                       break;
+               case 0x4: //fall through (SRIX512)
+               case 0x6: //fall through (SRI512)
+               case 0xC: //             (SRT512)
+                       //need data[2] and data[3]
+                       blk1 = 0;
+                       PrintAndLog("   raw: %s",printBits(2,data+2));
+                       for (uint8_t b=2; b<4; b++){
+                               for (uint8_t i=0; i<8; i++){
+                                       PrintAndLog("    %02u:%slocked", blk1, (data[b] & (1 << i)) ? " not " : " " );
+                                       blk1++;
+                               }
+                       }
+                       break;
+               case 0x2: //             (SR176)
+                       //need data[2]
+                       blk1 = 0;
+                       PrintAndLog("   raw: %s",printBits(1,data+2));
+                       for (uint8_t i = 0; i<8; i++){
+                               PrintAndLog(" %02u/%02u:%slocked", blk1, blk1+1, (data[2] & (1 << i)) ? " " : " not " );
+                               blk1+=2;
+                       }
+                       break;
+               default:
+                       return rawClose();
+       }
+       return 1;
+}
+
+// print UID info from SRx chips (ST Microelectronics)
+static void print_st_general_info(uint8_t *data){

        //uid = first 8 bytes in data
        //uid = first 8 bytes in data

-       PrintAndLog(" UID: %s", sprint_hex(SwapEndian64(data,8,8),8));
-       PrintAndLog(" MFG: %02X, %s", data[6], getTagInfo(data[6]));
-       PrintAndLog("Chip: %02X, %s", data[5]>>2, get_ST_Chip_Model(data[5]>>2));
+       PrintAndLog("   UID: %s", sprint_hex(SwapEndian64(data,8,8),8));
+       PrintAndLog("   MFG: %02X, %s", data[6], getTagInfo(data[6]));
+       PrintAndLog("  Chip: %02X, %s", data[5]>>2, get_ST_Chip_Model(data[5]>>2));

        return;
 }
 
        return;
 }
 

-int HF14BStdInfo(uint8_t *data, uint8_t *datalen){
-
+// 14b get and print UID only (general info)
+int HF14BStdReader(uint8_t *data, uint8_t *datalen){

        //05 00 00 = find one tag in field
        //05 00 00 = find one tag in field

-       //1d xx xx xx xx 20 00 08 01 00 = attrib xx=crc
-       //a3 = ?  (resp 03 e2 c2)
-       //02 = ?  (resp 02 6a d3)
+       //1d xx xx xx xx 00 08 01 00 = attrib xx=UID (resp 10 [f9 e0])
+       //a3 = ?  (resp 03 [e2 c2])
+       //02 = ?  (resp 02 [6a d3])

        // 022b (resp 02 67 00 [29  5b])
        // 0200a40400 (resp 02 67 00 [29 5b])
        // 0200a4040c07a0000002480300 (resp 02 67 00 [29 5b])
        // 022b (resp 02 67 00 [29  5b])
        // 0200a40400 (resp 02 67 00 [29 5b])
        // 0200a4040c07a0000002480300 (resp 02 67 00 [29 5b])


@@ -289,24 +416,60 @@ int HF14BStdInfo(uint8_t *data, uint8_t *datalen){
        //03 = ?  (resp 03 [e3 c2])
        //c2 = ?  (resp c2 [66 15])
        //b2 = ?  (resp a3 [e9 67])
        //03 = ?  (resp 03 [e3 c2])
        //c2 = ?  (resp c2 [66 15])
        //b2 = ?  (resp a3 [e9 67])

+       //a2 = ?  (resp 02 [6a d3])

        bool crc = true;
        *datalen = 3;
        //std read cmd
        data[0] = 0x05;
        data[1] = 0x00;
        bool crc = true;
        *datalen = 3;
        //std read cmd
        data[0] = 0x05;
        data[1] = 0x00;

-       data[2] = 0x00;
+       data[2] = 0x08;

 
 

-       if (HF14BCmdRaw(true, &crc, false, data, datalen, false)==0) return 0;
+       if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose();

 
 

-       if (data[0] != 0x50  || *datalen != 14 || !crc) return 0;
+       if (data[0] != 0x50 || *datalen != 14 || !crc) return rawClose();

 
        PrintAndLog ("\n14443-3b tag found:");
 
        PrintAndLog ("\n14443-3b tag found:");

+       PrintAndLog ("           UID: %s", sprint_hex(data+1,4));
+
+       uint8_t cmd2[16];
+       uint8_t cmdLen = 3;
+       bool crc2 = true;
+
+       cmd2[0] = 0x1D; 
+       // UID from data[1 - 4]
+       cmd2[1] = data[1];
+       cmd2[2] = data[2];
+       cmd2[3] = data[3];
+       cmd2[4] = data[4];
+       cmd2[5] = 0x00;
+       cmd2[6] = 0x08;
+       cmd2[7] = 0x01;
+       cmd2[8] = 0x00;
+       cmdLen = 9;
+
+       // attrib
+       if (HF14BCmdRaw(true, &crc2, true, cmd2, &cmdLen, false)==0) return rawClose();
+
+       if (cmdLen != 3 || !crc2) return rawClose();
+       // add attrib responce to data
+       data[14] = cmd2[0];
+       rawClose();
+       return 1;
+}
+
+// 14b get and print Full Info (as much as we know)
+int HF14BStdInfo(uint8_t *data, uint8_t *datalen){
+       if (!HF14BStdReader(data,datalen)) return 0;
+
+       //add more info here

        print_atqb_resp(data);
 
        print_atqb_resp(data);
 

+

        return 1;
 }
 
        return 1;
 }
 

-int HF14B_ST_Info(uint8_t *data, uint8_t *datalen){
+// SRx get and print general info about SRx chip from UID
+int HF14B_ST_Reader(uint8_t *data, uint8_t *datalen, bool closeCon){

        bool crc = true;
        *datalen = 2;
        //wake cmd
        bool crc = true;
        *datalen = 2;
        //wake cmd


@@ -326,7 +489,6 @@ int HF14B_ST_Info(uint8_t *data, uint8_t *datalen){
        *datalen = 2;
 
        //leave power on
        *datalen = 2;
 
        //leave power on

-       // verbose on for now for testing - turn off when functional

        if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose();
 
        if (*datalen != 3 || !crc || data[0] != chipID) return rawClose();
        if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose();
 
        if (*datalen != 3 || !crc || data[0] != chipID) return rawClose();


@@ -335,19 +497,32 @@ int HF14B_ST_Info(uint8_t *data, uint8_t *datalen){
        data[0] = 0x0B;
        *datalen = 1;
 
        data[0] = 0x0B;
        *datalen = 1;
 

-       //power off
-       // verbose on for now for testing - turn off when functional
-       if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return 0;
-       rawClose();
-       if (*datalen != 10 || !crc) return 0;
+       //leave power on
+       if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose();
+
+       if (*datalen != 10 || !crc) return rawClose();
+
+       //power off ?
+       if (closeCon) rawClose();

 
        PrintAndLog("\n14443-3b ST tag found:");
 
        PrintAndLog("\n14443-3b ST tag found:");

-       print_st_info(data);
+       print_st_general_info(data);
+       return 1;
+}
+
+// SRx get and print full info (needs more info...)
+int HF14B_ST_Info(uint8_t *data, uint8_t *datalen){
+       if (!HF14B_ST_Reader(data, datalen, false)) return 0;
+       
+       //add locking bit information here.
+       if (print_ST_Lock_info(data[5]>>2)) 
+               rawClose();
+

        return 1;
 }
 
 // test for other 14b type tags (mimic another reader - don't have tags to identify)
        return 1;
 }
 
 // test for other 14b type tags (mimic another reader - don't have tags to identify)

-int HF14B_Other_Info(uint8_t *data, uint8_t *datalen){
+int HF14B_Other_Reader(uint8_t *data, uint8_t *datalen){

        bool crc = true;
        *datalen = 4;
        //std read cmd
        bool crc = true;
        *datalen = 4;
        //std read cmd


@@ -356,11 +531,12 @@ int HF14B_Other_Info(uint8_t *data, uint8_t *datalen){
        data[2] = 0x3f;
        data[3] = 0x80;
 
        data[2] = 0x3f;
        data[3] = 0x80;
 

-       if (HF14BCmdRaw(true, &crc, false, data, datalen, false)!=0) {
+       if (HF14BCmdRaw(true, &crc, true, data, datalen, false)!=0) {

                if (*datalen > 2 || !crc) {
                        PrintAndLog ("\n14443-3b tag found:");
                        PrintAndLog ("Unknown tag type answered to a 0x000b3f80 command ans:");
                        PrintAndLog ("%s",sprint_hex(data,*datalen));
                if (*datalen > 2 || !crc) {
                        PrintAndLog ("\n14443-3b tag found:");
                        PrintAndLog ("Unknown tag type answered to a 0x000b3f80 command ans:");
                        PrintAndLog ("%s",sprint_hex(data,*datalen));

+                       rawClose();

                        return 1;
                }
        }
                        return 1;
                }
        }


@@ -369,11 +545,12 @@ int HF14B_Other_Info(uint8_t *data, uint8_t *datalen){
        *datalen = 1;
        data[0] = 0x0a;
 
        *datalen = 1;
        data[0] = 0x0a;
 

-       if (HF14BCmdRaw(true, &crc, false, data, datalen, false)!=0) {
+       if (HF14BCmdRaw(true, &crc, true, data, datalen, false)!=0) {

                if (*datalen > 0) {
                        PrintAndLog ("\n14443-3b tag found:");
                        PrintAndLog ("Unknown tag type answered to a 0x0A command ans:");
                        PrintAndLog ("%s",sprint_hex(data,*datalen));
                if (*datalen > 0) {
                        PrintAndLog ("\n14443-3b tag found:");
                        PrintAndLog ("Unknown tag type answered to a 0x0A command ans:");
                        PrintAndLog ("%s",sprint_hex(data,*datalen));

+                       rawClose();

                        return 1;
                }
        }
                        return 1;
                }
        }


@@ -382,19 +559,20 @@ int HF14B_Other_Info(uint8_t *data, uint8_t *datalen){
        *datalen = 1;
        data[0] = 0x0c;
 
        *datalen = 1;
        data[0] = 0x0c;
 

-       if (HF14BCmdRaw(true, &crc, false, data, datalen, false)!=0) {
+       if (HF14BCmdRaw(true, &crc, true, data, datalen, false)!=0) {

                if (*datalen > 0) {
                        PrintAndLog ("\n14443-3b tag found:");
                        PrintAndLog ("Unknown tag type answered to a 0x0C command ans:");
                        PrintAndLog ("%s",sprint_hex(data,*datalen));
                if (*datalen > 0) {
                        PrintAndLog ("\n14443-3b tag found:");
                        PrintAndLog ("Unknown tag type answered to a 0x0C command ans:");
                        PrintAndLog ("%s",sprint_hex(data,*datalen));

+                       rawClose();

                        return 1;
                }
        }
                        return 1;
                }
        }

-
+       rawClose();

        return 0;
        return 0;

-

 }
 
 }
 

+// get and print all info known about any known 14b tag

 int HF14BInfo(bool verbose){
        uint8_t data[100];
        uint8_t datalen = 5;
 int HF14BInfo(bool verbose){
        uint8_t data[100];
        uint8_t datalen = 5;


@@ -407,16 +585,41 @@ int HF14BInfo(bool verbose){
 
        // try unknown 14b read commands (to be identified later)
        //   could be read of calypso, CEPAS, moneo, or pico pass.
 
        // try unknown 14b read commands (to be identified later)
        //   could be read of calypso, CEPAS, moneo, or pico pass.

-       if (HF14B_Other_Info(data, &datalen)) return 1;
+       if (HF14B_Other_Reader(data, &datalen)) return 1;

 
        if (verbose) PrintAndLog("no 14443B tag found");
        return 0;
 }
 
 
        if (verbose) PrintAndLog("no 14443B tag found");
        return 0;
 }
 

+// menu command to get and print all info known about any known 14b tag

 int CmdHF14Binfo(const char *Cmd){
        return HF14BInfo(true);
 }
 
 int CmdHF14Binfo(const char *Cmd){
        return HF14BInfo(true);
 }
 

+// get and print general info about all known 14b chips
+int HF14BReader(bool verbose){
+       uint8_t data[100];
+       uint8_t datalen = 5;
+       
+       // try std 14b (atqb)
+       if (HF14BStdReader(data, &datalen)) return 1;
+
+       // try st 14b
+       if (HF14B_ST_Reader(data, &datalen, true)) return 1;
+
+       // try unknown 14b read commands (to be identified later)
+       //   could be read of calypso, CEPAS, moneo, or pico pass.
+       if (HF14B_Other_Reader(data, &datalen)) return 1;
+
+       if (verbose) PrintAndLog("no 14443B tag found");
+       return 0;
+}
+
+// menu command to get and print general info about all known 14b chips
+int CmdHF14BReader(const char *Cmd){
+       return HF14BReader(true);
+}
+

 int CmdSriWrite( const char *Cmd){
 /*
  * For SRIX4K  blocks 00 - 7F
 int CmdSriWrite( const char *Cmd){
 /*
  * For SRIX4K  blocks 00 - 7F


@@ -487,8 +690,9 @@ int CmdSriWrite( const char *Cmd){
 static command_t CommandTable[] = 
 {
   {"help",        CmdHelp,        1, "This help"},
 static command_t CommandTable[] = 
 {
   {"help",        CmdHelp,        1, "This help"},

-       {"info",        CmdHF14Binfo,   0, "Find and print info about a 14b type tag (HF ISO 14443b)"},
-  {"list",        CmdHF14BList,   0, "[Deprecated] List ISO 14443b history"},
+  {"info",        CmdHF14Binfo,   0, "Find and print details about a 14443B tag"},
+  {"list",        CmdHF14BList,   0, "[Deprecated] List ISO 14443B history"},
+  {"reader",      CmdHF14BReader, 0, "Act as a 14443B reader to identify a tag"},

   {"sim",         CmdHF14BSim,    0, "Fake ISO 14443B tag"},
   {"snoop",       CmdHF14BSnoop,  0, "Eavesdrop ISO 14443B"},
   {"sri512read",  CmdSri512Read,  0, "Read contents of a SRI512 tag"},
   {"sim",         CmdHF14BSim,    0, "Fake ISO 14443B tag"},
   {"snoop",       CmdHF14BSnoop,  0, "Eavesdrop ISO 14443B"},
   {"sri512read",  CmdSri512Read,  0, "Read contents of a SRI512 tag"},