]> cvs.zerfleddert.de Git - proxmark3-svn/commitdiff
add jablotron+noralsy lf tag definitions/cmds
authormarshmellow42 <marshmellowrf@gmail.com>
Tue, 28 Mar 2017 22:01:45 +0000 (18:01 -0400)
committermarshmellow42 <marshmellowrf@gmail.com>
Tue, 28 Mar 2017 22:01:45 +0000 (18:01 -0400)
Thanks to @iceman1001 for most of the code.
Jablotron is complete
noralsy is mostly known - a few bits are still unknown.

CHANGELOG.md
client/Makefile
client/cmdlf.c
client/cmdlfjablotron.c [new file with mode: 0644]
client/cmdlfjablotron.h [new file with mode: 0644]
client/cmdlfnoralsy.c [new file with mode: 0644]
client/cmdlfnoralsy.h [new file with mode: 0644]

index 19c6f6c82585ba6aef45690bdbdd7b0a79f565b9..eb4a62de11ff3f9e79f4b8a93927c1e075867f60 100644 (file)
@@ -5,13 +5,15 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 ## [unreleased][unreleased]
 
 ### Added
 ## [unreleased][unreleased]
 
 ### Added
-- Added lf nexwatch read - reads a nexwatch tag from the antenna
-- Added lf paradox read - reads a paradox tag from the antenna
+- Added lf noralsy demod, read, clone, sim commands (iceman)
+- Added lf jablotron demod, read, clone, sim commands (iceman)
+- Added lf nexwatch read   - reads a nexwatch tag from the antenna
+- Added lf paradox read    - reads a paradox tag from the antenna
 - Added lf fdx sim (iceman)
 - Added lf fdx sim (iceman)
-- Added lf fdx clone - clones an fdx-b animal tag to t55x7 or q5 (iceman)
-- Added lf fdx read - reads a fdx-b tag from the antenna (iceman)
-- Added lf gproxii read - reads a gproxii tag from the antenna (marshmellow)
-- Added lf indala read - reads an indala tag from the antenna (marshmellow)
+- Added lf fdx clone       - clones an fdx-b animal tag to t55x7 or q5 (iceman)
+- Added lf fdx read        - reads a fdx-b tag from the antenna (iceman)
+- Added lf gproxii read    - reads a gproxii tag from the antenna (marshmellow)
+- Added lf indala read     - reads an indala tag from the antenna (marshmellow)
 - Added lf visa2000 demod, read, clone, sim commands (iceman)
 - Added markers in the graph around found Sequence Terminator after askmandemod.
 - Added data mtrim <start> <stop> command to trim out samples between start and stop
 - Added lf visa2000 demod, read, clone, sim commands (iceman)
 - Added markers in the graph around found Sequence Terminator after askmandemod.
 - Added data mtrim <start> <stop> command to trim out samples between start and stop
index c8b7a21379b4d27d6011f3034276633c73124cfa..c12aee697f43cfbdd27599c18c5970cc13a4e883 100644 (file)
@@ -99,7 +99,9 @@ CMDSRCS =     crapto1/crapto1.c\
                        cmdlfhitag.c \
                        cmdlfio.c \
                        cmdlfindala.c \
                        cmdlfhitag.c \
                        cmdlfio.c \
                        cmdlfindala.c \
+                       cmdlfjablotron.c \
                        cmdlfnexwatch.c \
                        cmdlfnexwatch.c \
+                       cmdlfnoralsy.c \
                        cmdlfparadox.c \
                        cmdlfpcf7931.c\
                        cmdlfpresco.c\
                        cmdlfparadox.c \
                        cmdlfpcf7931.c\
                        cmdlfpresco.c\
index 341f1fe4a61c478cb4667754fc32c5a5a3ad2c02..8d789a8e0b0de7562c294b5349c02375bac50c0c 100644 (file)
@@ -40,6 +40,8 @@
 #include "cmdlffdx.h"    // for fdx-b menu
 #include "cmdlfparadox.h"// for paradox menu
 #include "cmdlfnexwatch.h"//for nexwatch menu
 #include "cmdlffdx.h"    // for fdx-b menu
 #include "cmdlfparadox.h"// for paradox menu
 #include "cmdlfnexwatch.h"//for nexwatch menu
+#include "cmdlfjablotron.h" //for jablotron menu
+#include "cmdlfnoralsy.h"// for noralsy menu
 
 bool g_lf_threshold_set = false;
 static int CmdHelp(const char *Cmd);
 
 bool g_lf_threshold_set = false;
 static int CmdHelp(const char *Cmd);
@@ -987,13 +989,25 @@ int CmdLFfind(const char *Cmd)
        if (ans>0) {
                PrintAndLog("\nValid EM4x50 ID Found!");
                return 1;
        if (ans>0) {
                PrintAndLog("\nValid EM4x50 ID Found!");
                return 1;
-       }       
+       }
+
+       ans=CmdJablotronDemod("");
+       if (ans>0) {
+               PrintAndLog("\nValid Jablotron ID Found!");
+               return CheckChipType(cmdp);
+       }
+
+       ans=CmdNoralsyDemod("");
+       if (ans>0) {
+               PrintAndLog("\nValid Noralsy ID Found!");
+               return CheckChipType(cmdp);
+       }
 
        ans=CmdVikingDemod("");
        if (ans>0) {
                PrintAndLog("\nValid Viking ID Found!");
                return CheckChipType(cmdp);
 
        ans=CmdVikingDemod("");
        if (ans>0) {
                PrintAndLog("\nValid Viking ID Found!");
                return CheckChipType(cmdp);
-       }       
+       }
 
        ans=CmdIndalaDecode("");
        if (ans>0) {
 
        ans=CmdIndalaDecode("");
        if (ans>0) {
@@ -1053,7 +1067,9 @@ static command_t CommandTable[] =
        {"hitag",       CmdLFHitag,         1, "{ Hitag CHIPs...             }"},
        {"io",          CmdLFIO,            1, "{ ioProx RFIDs...            }"},
        {"indala",      CmdLFINDALA,        1, "{ Indala RFIDs...            }"},
        {"hitag",       CmdLFHitag,         1, "{ Hitag CHIPs...             }"},
        {"io",          CmdLFIO,            1, "{ ioProx RFIDs...            }"},
        {"indala",      CmdLFINDALA,        1, "{ Indala RFIDs...            }"},
+       {"jablotron",   CmdLFJablotron,     1, "{ Jablotron RFIDs...         }"},
        {"nexwatch",    CmdLFNexWatch,      1, "{ NexWatch RFIDs...          }"},
        {"nexwatch",    CmdLFNexWatch,      1, "{ NexWatch RFIDs...          }"},
+       {"noralsy",     CmdLFNoralsy,       1, "{ Noralsy RFIDs...           }"},
        {"paradox",     CmdLFParadox,       1, "{ Paradox RFIDs...           }"},
        {"presco",      CmdLFPresco,        1, "{ Presco RFIDs...            }"},
        {"pcf7931",     CmdLFPCF7931,       1, "{ PCF7931 CHIPs...           }"},
        {"paradox",     CmdLFParadox,       1, "{ Paradox RFIDs...           }"},
        {"presco",      CmdLFPresco,        1, "{ Presco RFIDs...            }"},
        {"pcf7931",     CmdLFPCF7931,       1, "{ PCF7931 CHIPs...           }"},
diff --git a/client/cmdlfjablotron.c b/client/cmdlfjablotron.c
new file mode 100644 (file)
index 0000000..0b7d281
--- /dev/null
@@ -0,0 +1,253 @@
+//-----------------------------------------------------------------------------
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency jablotron tag commands
+// Differential Biphase, RF/64, 64 bits long
+//-----------------------------------------------------------------------------
+
+#include "cmdlfjablotron.h"
+#include <string.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include "proxmark3.h"
+#include "ui.h"
+#include "util.h"
+#include "graph.h"
+#include "cmdparser.h"
+#include "cmddata.h"
+#include "cmdmain.h"
+#include "cmdlf.h"
+#include "protocols.h"  // for T55xx config register definitions
+#include "lfdemod.h"    // parityTest
+
+static int CmdHelp(const char *Cmd);
+
+int usage_lf_jablotron_clone(void) {
+       PrintAndLog("clone a Jablotron tag to a T55x7 tag.");
+       PrintAndLog("Usage: lf jablotron clone [h] <card ID> <Q5>");
+       PrintAndLog("Options:");
+       PrintAndLog("      h          : This help");
+       PrintAndLog("      <card ID>  : jablotron card ID");
+       PrintAndLog("      <Q5>       : specify write to Q5 (t5555 instead of t55x7)");
+       PrintAndLog("");
+       PrintAndLog("Sample: lf jablotron clone 112233");
+       return 0;
+}
+
+int usage_lf_jablotron_sim(void) {
+       PrintAndLog("Enables simulation of jablotron card with specified card number.");
+       PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
+       PrintAndLog("");
+       PrintAndLog("Usage:  lf jablotron sim [h] <card ID>");
+       PrintAndLog("Options:");
+       PrintAndLog("      h          : This help");
+       PrintAndLog("      <card ID>  : jablotron card ID");
+       PrintAndLog("");
+       PrintAndLog("Sample: lf jablotron sim 112233");
+       return 0;
+}
+
+static uint8_t jablontron_chksum(uint8_t *bits) {
+       uint8_t chksum = 0;
+       for (int i=16; i < 56; i += 8) {
+               chksum += bytebits_to_byte(bits+i,8);
+       }
+       chksum ^= 0x3A; 
+       return chksum;
+}
+
+int getJablotronBits(uint64_t fullcode, uint8_t *bits) {       
+       //preamp
+       num_to_bytebits(0xFFFF, 16, bits);
+
+       //fullcode
+       num_to_bytebits(fullcode, 40, bits+16);
+
+       //chksum byte
+       uint8_t chksum = jablontron_chksum(bits);
+       num_to_bytebits(chksum, 8, bits+56);
+       return 1;
+}
+
+// ASK/Diphase fc/64 (inverted Biphase)
+// Note: this is not a demod, this is only a detection
+// the parameter *bits needs to be demoded before call
+// 0xFFFF preamble, 64bits
+int JablotronDetect(uint8_t *bits, size_t *size) {
+       if (*size < 64*2) return -1; //make sure buffer has enough data
+       size_t startIdx = 0;
+       uint8_t preamble[] = {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0};
+       if (preambleSearch(bits, preamble, sizeof(preamble), size, &startIdx) == 0)
+               return -2; //preamble not found
+       if (*size != 64) return -3; // wrong demoded size
+       
+       uint8_t checkchksum = jablontron_chksum(bits+startIdx);
+       uint8_t crc = bytebits_to_byte(bits+startIdx+56, 8);
+       if ( checkchksum != crc ) return -5;
+       return (int)startIdx;
+}
+
+//see ASKDemod for what args are accepted
+int CmdJablotronDemod(const char *Cmd) {
+
+       //Differential Biphase / di-phase (inverted biphase)
+       //get binary from ask wave
+       if (!ASKbiphaseDemod("0 64 1 0", false)) {
+               if (g_debugMode) PrintAndLog("DEBUG: Error - Jablotron ASKbiphaseDemod failed");
+               return 0;
+       }
+       size_t size = DemodBufferLen;
+       int ans = JablotronDetect(DemodBuffer, &size);
+       if (ans < 0) {
+               if (g_debugMode) {
+                       if (ans == -1)
+                               PrintAndLog("DEBUG: Error - Jablotron too few bits found");
+                       else if (ans == -2)
+                               PrintAndLog("DEBUG: Error - Jablotron preamble not found");
+                       else if (ans == -3)
+                               PrintAndLog("DEBUG: Error - Jablotron size not correct: %d", size);
+                       else if (ans == -5)
+                               PrintAndLog("DEBUG: Error - Jablotron checksum failed");
+                       else
+                               PrintAndLog("DEBUG: Error - Jablotron ans: %d", ans);
+               }
+               return 0;
+       }
+
+       setDemodBuf(DemodBuffer+ans, 64, 0);
+       //setGrid_Clock(64);
+
+       //got a good demod
+       uint32_t raw1 = bytebits_to_byte(DemodBuffer, 32);
+       uint32_t raw2 = bytebits_to_byte(DemodBuffer+32, 32);
+
+       uint64_t id = (( (uint64_t)bytebits_to_byte(DemodBuffer+16, 8) )<< 32) | bytebits_to_byte(DemodBuffer+24,32);
+
+       PrintAndLog("Jablotron Tag Found: Card ID: %"PRIx64" :: Raw: %08X%08X", id, raw1, raw2);
+
+       uint8_t chksum = raw2 & 0xFF;
+       PrintAndLog("Checksum: %02X [OK]", chksum);
+
+       // Printed format: 1410-nn-nnnn-nnnn    
+       PrintAndLog("Printed: 1410-%02X-%04X-%04X",
+               (uint8_t)(id >> 32) & 0xFF,
+               (uint16_t)(id >> 16) & 0xFFFF,
+               (uint16_t)id & 0xFFFF
+       );
+       return 1;
+}
+
+int CmdJablotronRead(const char *Cmd) {
+       CmdLFRead("s");
+       getSamples("10000", true);
+       return CmdJablotronDemod(Cmd);
+}
+
+int CmdJablotronClone(const char *Cmd) {
+
+       uint64_t fullcode = 0;
+       uint32_t blocks[3] = {T55x7_MODULATION_DIPHASE | T55x7_BITRATE_RF_64 | 2 << T55x7_MAXBLOCK_SHIFT, 0, 0};
+
+       uint8_t bits[64];
+       uint8_t *bs = bits;
+       memset(bs, 0, sizeof(bits));
+
+       char cmdp = param_getchar(Cmd, 0);
+       if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_jablotron_clone();
+
+       fullcode = param_get64ex(Cmd, 0, 0, 16);
+
+       //Q5
+       if (param_getchar(Cmd, 1) == 'Q' || param_getchar(Cmd, 1) == 'q') {
+               //t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
+               blocks[0] = T5555_MODULATION_BIPHASE | T5555_INVERT_OUTPUT | ((64-2)>>1) << T5555_BITRATE_SHIFT | 2 << T5555_MAXBLOCK_SHIFT;
+       }
+
+       // clearing the topbit needed for the preambl detection. 
+       if ((fullcode & 0x7FFFFFFFFF) != fullcode) {
+               fullcode &= 0x7FFFFFFFFF;
+               PrintAndLog("Card Number Truncated to 39bits: %"PRIx64, fullcode);
+       }
+
+       if ( !getJablotronBits(fullcode, bs)) {
+               PrintAndLog("Error with tag bitstream generation.");
+               return 1;
+       }
+
+       blocks[1] = bytebits_to_byte(bs,32);
+       blocks[2] = bytebits_to_byte(bs+32,32);
+
+       PrintAndLog("Preparing to clone Jablotron to T55x7 with FullCode: %"PRIx64, fullcode);
+       PrintAndLog("Blk | Data ");
+       PrintAndLog("----+------------");
+       PrintAndLog(" 00 | 0x%08x", blocks[0]);
+       PrintAndLog(" 01 | 0x%08x", blocks[1]);
+       PrintAndLog(" 02 | 0x%08x", blocks[2]);
+       
+       UsbCommand resp;
+       UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
+
+       for (int i = 2; i >= 0; --i) {
+               c.arg[0] = blocks[i];
+               c.arg[1] = i;
+               clearCommandBuffer();
+               SendCommand(&c);
+               if (!WaitForResponseTimeout(CMD_ACK, &resp, T55XX_WRITE_TIMEOUT)) {
+                       PrintAndLog("Error occurred, device did not respond during write operation.");
+                       return -1;
+               }
+       }
+       return 0;
+}
+
+int CmdJablotronSim(const char *Cmd) {
+       uint64_t fullcode = 0;
+
+       char cmdp = param_getchar(Cmd, 0);
+       if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_jablotron_sim();
+
+       fullcode = param_get64ex(Cmd, 0, 0, 16);
+
+       // clearing the topbit needed for the preambl detection. 
+       if ((fullcode & 0x7FFFFFFFFF) != fullcode) {
+               fullcode &= 0x7FFFFFFFFF;
+               PrintAndLog("Card Number Truncated to 39bits: %"PRIx64, fullcode);
+       }
+       
+       uint8_t clk = 64, encoding = 2, separator = 0, invert = 1;
+       uint16_t arg1, arg2;
+       size_t size = 64;
+       arg1 = clk << 8 | encoding;
+       arg2 = invert << 8 | separator;
+
+       PrintAndLog("Simulating Jablotron - FullCode: %"PRIx64, fullcode);
+
+       UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
+       getJablotronBits(fullcode, c.d.asBytes);
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;
+}
+
+static command_t CommandTable[] = {
+       {"help",  CmdHelp,           1, "This help"},
+       {"demod", CmdJablotronDemod, 1, "Attempt to read and extract tag data from the GraphBuffer"},
+       {"read",  CmdJablotronRead,  0, "Attempt to read and extract tag data from the antenna"},
+       {"clone", CmdJablotronClone, 0, "clone jablotron tag"},
+       {"sim",   CmdJablotronSim,   0, "simulate jablotron tag"},
+       {NULL, NULL, 0, NULL}
+};
+
+int CmdLFJablotron(const char *Cmd) {
+       clearCommandBuffer();
+       CmdsParse(CommandTable, Cmd);
+       return 0;
+}
+
+int CmdHelp(const char *Cmd) {
+       CmdsHelp(CommandTable);
+       return 0;
+}
diff --git a/client/cmdlfjablotron.h b/client/cmdlfjablotron.h
new file mode 100644 (file)
index 0000000..8e1e336
--- /dev/null
@@ -0,0 +1,19 @@
+//-----------------------------------------------------------------------------
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency jablotron tag commands
+//-----------------------------------------------------------------------------
+#ifndef CMDLFJABLOTRON_H__
+#define CMDLFJABLOTRON_H__
+
+extern int CmdLFJablotron(const char *Cmd);
+extern int CmdJablotronClone(const char *Cmd);
+extern int CmdJablotronSim(const char *Cmd);
+extern int CmdJablotronRead(const char *Cmd);
+extern int CmdJablotronDemod(const char *Cmd);
+
+#endif
+
diff --git a/client/cmdlfnoralsy.c b/client/cmdlfnoralsy.c
new file mode 100644 (file)
index 0000000..e41dfd9
--- /dev/null
@@ -0,0 +1,291 @@
+//-----------------------------------------------------------------------------
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency Noralsy tag commands
+// ASK/Manchester, STT, RF/32, 96 bits long
+//-----------------------------------------------------------------------------
+#include "cmdlfnoralsy.h"
+#include <string.h>
+#include <inttypes.h>
+#include <math.h>
+#include "proxmark3.h"
+#include "ui.h"
+#include "util.h"
+#include "graph.h"
+#include "cmdparser.h"
+#include "cmddata.h"
+#include "cmdmain.h"
+#include "cmdlf.h"
+#include "protocols.h"  // for T55xx config register definitions
+#include "lfdemod.h"    // parityTest
+
+static int CmdHelp(const char *Cmd);
+
+int usage_lf_noralsy_clone(void){
+       PrintAndLog("clone a Noralsy tag to a T55x7 tag.");
+       PrintAndLog("Usage: lf noralsy clone [h] <card id> <year> <Q5>");
+       PrintAndLog("Options:");
+       PrintAndLog("      h          : This help");
+       PrintAndLog("      <card id>  : Noralsy card ID");
+       PrintAndLog("      <year>     : Tag allocation year");
+       PrintAndLog("      <Q5>       : specify write to Q5 (t5555 instead of t55x7)");
+       PrintAndLog("");
+       PrintAndLog("Sample: lf noralsy clone 112233");
+       return 0;
+}
+
+int usage_lf_noralsy_sim(void) {
+       PrintAndLog("Enables simulation of Noralsy card with specified card number.");
+       PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
+       PrintAndLog("");
+       PrintAndLog("Usage:  lf noralsy sim [h] <card id> <year>");
+       PrintAndLog("Options:");
+       PrintAndLog("      h          : This help");
+       PrintAndLog("      <card id>  : Noralsy card ID");
+       PrintAndLog("      <year>     : Tag allocation year");
+       PrintAndLog("");
+       PrintAndLog("Sample: lf noralsy sim 112233");
+       return 0;
+}
+
+static uint8_t noralsy_chksum( uint8_t* bits, uint8_t len) {
+       uint8_t sum = 0;
+       for (uint8_t i = 0; i < len; i += 4)
+               sum ^= bytebits_to_byte(bits+i, 4);
+       return sum & 0x0F ;
+}
+int getnoralsyBits(uint32_t id, uint16_t year, uint8_t *bits) {        
+       //preamp
+       num_to_bytebits(0xBB0214FF, 32, bits);  // --> Have seen 0xBB0214FF / 0xBB0314FF  UNKNOWN
+
+       year &= 0xFF;
+       
+       uint16_t sub1 = (id & 0xFFF0000) >> 16;
+       uint8_t sub2 = (id & 0x000FF00) >> 8;
+       uint8_t sub3 = (id & 0x00000FF);
+       
+       num_to_bytebits(sub1, 12, bits+32);
+       num_to_bytebits(year, 8, bits+44);
+       num_to_bytebits(0, 4, bits+52);   // --> UNKNOWN. Flag?
+
+       num_to_bytebits(sub2, 8, bits+56);
+       num_to_bytebits(sub3, 8, bits+64);
+
+       //chksum byte
+       uint8_t chksum = noralsy_chksum(bits+32, 40);
+       num_to_bytebits(chksum, 4, bits+72);
+       chksum = noralsy_chksum(bits, 76);
+       num_to_bytebits(chksum, 4, bits+76);
+       return 1;
+}
+
+// by iceman
+// find Noralsy preamble in already demoded data
+int NoralsyDemod_AM(uint8_t *dest, size_t *size) {
+       if (*size < 96) return -1; //make sure buffer has data
+       size_t startIdx = 0;
+       uint8_t preamble[] = {1,0,1,1,1,0,1,1,0,0,0,0};
+       if (!preambleSearch(dest, preamble, sizeof(preamble), size, &startIdx))
+               return -2; //preamble not found
+       if (*size != 96) return -3; //wrong demoded size
+       //return start position
+       return (int)startIdx;
+}
+
+/*
+*
+* 2520116 | BB0214FF2529900116360000 | 10111011 00000011 00010100 11111111 00100101 00101001 10010000 00000001 00010110 00110110 00000000 00000000
+*           aaaaaaaaiii***iiiicc----                                       iiiiiiii iiiiYYYY YYYY**** iiiiiiii iiiiiiii cccccccc
+*
+* a = fixed value BB0314FF 
+* i = printed id, BCD-format
+* Y = year
+* c = checksum
+* 
+**/
+
+//see ASKDemod for what args are accepted
+int CmdNoralsyDemod(const char *Cmd) {
+
+       //ASK / Manchester
+       DemodBufferLen = getFromGraphBuf(DemodBuffer);
+       if (DemodBufferLen < 255) return 0;
+       int foundclk = 0;
+       size_t ststart = 0, stend = 0;
+       bool st = DetectST_ext(DemodBuffer, &DemodBufferLen, &foundclk, &ststart, &stend);
+       if (!st) return 0;
+
+       if (!ASKDemod_ext("32 0 0", FALSE, FALSE, 1, &st)) {
+               if (g_debugMode) PrintAndLog("DEBUG: Error - Noralsy: ASK/Manchester Demod failed");
+               return 0;
+       }
+       size_t size = DemodBufferLen;
+       int ans = NoralsyDemod_AM(DemodBuffer, &size);
+       if (ans < 0){
+               if (g_debugMode){
+                       if (ans == -1)
+                               PrintAndLog("DEBUG: Error - Noralsy: too few bits found");
+                       else if (ans == -2)
+                               PrintAndLog("DEBUG: Error - Noralsy: preamble not found");
+                       else if (ans == -3)
+                               PrintAndLog("DEBUG: Error - Noralsy: Size not correct: %d", size);
+                       else
+                               PrintAndLog("DEBUG: Error - Noralsy: ans: %d", ans);
+               }
+               return 0;
+       }
+       setDemodBuf(DemodBuffer, 96, ans);
+       //setGrid_Clock(32);
+
+       //got a good demod
+       uint32_t raw1 = bytebits_to_byte(DemodBuffer, 32);
+       uint32_t raw2 = bytebits_to_byte(DemodBuffer+32, 32);
+       uint32_t raw3 = bytebits_to_byte(DemodBuffer+64, 32);
+
+       uint32_t cardid = (bytebits_to_byte(DemodBuffer+32, 12)<<16) | bytebits_to_byte(DemodBuffer+32+24, 16);
+
+       uint16_t year = (raw2 & 0x000ff000) >> 12;
+       year += ( year > 0x60 ) ? 0x1900: 0x2000;
+
+       // calc checksums
+       uint8_t calc1 = noralsy_chksum(DemodBuffer+32, 40);
+       uint8_t calc2 = noralsy_chksum(DemodBuffer, 76);
+       uint8_t chk1 = 0, chk2 = 0;
+       chk1 = bytebits_to_byte(DemodBuffer+72, 4);
+       chk2 = bytebits_to_byte(DemodBuffer+76, 4);
+       // test checksums
+       if ( chk1 != calc1 ) { 
+               if (g_debugMode) PrintAndLog("DEBUG: Error - Noralsy: checksum 1 failed %x - %x\n", chk1, calc1);
+               return 0;
+       }
+       if ( chk2 != calc2 ) {
+               if (g_debugMode) PrintAndLog("DEBUG: Error - Noralsy: checksum 2 failed %x - %x\n", chk2, calc2);
+               return 0;
+       }
+
+       PrintAndLog("Noralsy Tag Found: Card ID %X, Year: %X Raw: %08X%08X%08X", cardid, year, raw1 ,raw2, raw3);
+       if (raw1 != 0xBB0214FF) {
+               PrintAndLog("Unknown bits set in first block! Expected 0xBB0214FF, Found: 0x%08X", raw1);
+               PrintAndLog("Please post this output in forum to further research on this format");
+       }
+       return 1;
+}
+
+int CmdNoralsyRead(const char *Cmd) {
+       CmdLFRead("s");
+       getSamples("8000",TRUE);
+       return CmdNoralsyDemod(Cmd);
+}
+
+int CmdNoralsyClone(const char *Cmd) {
+
+       uint16_t year = 0;
+       uint32_t id = 0;
+       uint32_t blocks[4] = {T55x7_MODULATION_MANCHESTER | T55x7_BITRATE_RF_32 | T55x7_ST_TERMINATOR | 3 << T55x7_MAXBLOCK_SHIFT, 0, 0};
+       uint8_t bits[96];
+       uint8_t *bs = bits;
+       memset(bs, 0, sizeof(bits));
+
+       char cmdp = param_getchar(Cmd, 0);
+       if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_noralsy_clone();
+
+       id = param_get32ex(Cmd, 0, 0, 16);
+       year = param_get32ex(Cmd, 1, 2000, 16);
+
+       //Q5
+       if (param_getchar(Cmd, 2) == 'Q' || param_getchar(Cmd, 2) == 'q') {
+               //t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
+               blocks[0] = T5555_MODULATION_MANCHESTER | ((32-2)>>1) << T5555_BITRATE_SHIFT | T5555_ST_TERMINATOR | 3 << T5555_MAXBLOCK_SHIFT;
+       }
+       
+        if ( !getnoralsyBits(id, year, bs)) {
+               PrintAndLog("Error with tag bitstream generation.");
+               return 1;
+       }
+       
+       // 
+       blocks[1] = bytebits_to_byte(bs,32);
+       blocks[2] = bytebits_to_byte(bs+32,32);
+       blocks[3] = bytebits_to_byte(bs+64,32);
+
+       PrintAndLog("Preparing to clone Noralsy to T55x7 with CardId: %x", id);
+       PrintAndLog("Blk | Data ");
+       PrintAndLog("----+------------");
+       PrintAndLog(" 00 | 0x%08x", blocks[0]);
+       PrintAndLog(" 01 | 0x%08x", blocks[1]);
+       PrintAndLog(" 02 | 0x%08x", blocks[2]);
+       PrintAndLog(" 03 | 0x%08x", blocks[3]);
+
+       UsbCommand resp;
+       UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
+
+       for (int i = 3; i >= 0; --i) {
+               c.arg[0] = blocks[i];
+               c.arg[1] = i;
+               clearCommandBuffer();
+               SendCommand(&c);
+               if (!WaitForResponseTimeout(CMD_ACK, &resp, T55XX_WRITE_TIMEOUT)){
+                       PrintAndLog("Error occurred, device did not respond during write operation.");
+                       return -1;
+               }
+       }
+       return 0;
+}
+
+int CmdNoralsySim(const char *Cmd) {
+
+       uint8_t bits[96];
+       uint8_t *bs = bits;
+       memset(bs, 0, sizeof(bits));
+
+       uint16_t year = 0;
+       uint32_t id = 0;
+
+       char cmdp = param_getchar(Cmd, 0);
+       if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_noralsy_sim();
+
+       id = param_get32ex(Cmd, 0, 0, 16);
+       year = param_get32ex(Cmd, 1, 2000, 16);
+
+       uint8_t clk = 32, encoding = 1, separator = 1, invert = 0;
+       uint16_t arg1, arg2;
+       size_t size = 96;
+       arg1 = clk << 8 | encoding;
+       arg2 = invert << 8 | separator;
+       
+       if ( !getnoralsyBits(id, year, bs)) {
+               PrintAndLog("Error with tag bitstream generation.");
+               return 1;
+       }
+
+       PrintAndLog("Simulating Noralsy - CardId: %x", id);
+
+       UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
+       memcpy(c.d.asBytes, bs, size);
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;
+}
+
+static command_t CommandTable[] = {
+       {"help",  CmdHelp,        1, "This help"},
+       {"demod", CmdNoralsyDemod,1, "Attempt to read and extract tag data from the GraphBuffer"},
+       {"read",  CmdNoralsyRead, 0, "Attempt to read and extract tag data from the antenna"},
+       {"clone", CmdNoralsyClone,0, "clone Noralsy tag"},
+       {"sim",   CmdNoralsySim,  0, "simulate Noralsy tag"},
+    {NULL, NULL, 0, NULL}
+};
+
+int CmdLFNoralsy(const char *Cmd) {
+       clearCommandBuffer();
+       CmdsParse(CommandTable, Cmd);
+       return 0;
+}
+
+int CmdHelp(const char *Cmd) {
+       CmdsHelp(CommandTable);
+       return 0;
+}
diff --git a/client/cmdlfnoralsy.h b/client/cmdlfnoralsy.h
new file mode 100644 (file)
index 0000000..743c14e
--- /dev/null
@@ -0,0 +1,19 @@
+//-----------------------------------------------------------------------------
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency Noralsy tag commands
+//-----------------------------------------------------------------------------
+#ifndef CMDLFNORALSY_H__
+#define CMDLFNORALSY_H__
+
+extern int CmdLFNoralsy(const char *Cmd);
+extern int CmdNoralsyClone(const char *Cmd);
+extern int CmdNoralsySim(const char *Cmd);
+extern int CmdNoralsyRead(const char *Cmd);
+extern int CmdNoralsyDemod(const char *Cmd);
+
+#endif
+
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